COPY OF THE ACTUAL __RULE 

40 CFR Part 51, Appendix V, 2.1(d) 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

CHAPTER Env-A 800 TESTING AND MONITORING PROCEDURES 

Statutory Authority: RSA 125-C :6, XI, XII 

REVISION NOTE: 

Document #5505, effective 11-15-92, made extensive changes to the wording, format, structure, and 

numbering of rules in Chapter Env-A 800. Document #5505 supersedes all prior filings for the sections in 

Chapter Env-A 800. The prior filings affecting rules in former Chapter Env-A 800 include the following 

documents: 

#120, eff 8-31-73 #2332, eff 4-29-83 

#721 .9, eff 12-7-75 #2938, eff 12-27-84 

#1376, eff 7-1-79 #4703, eff 11-16-89 

#1717, eff 1-19-81 #4718, eff 12-6-89 

#2092, eff 7-20-82 #4894-a, eff 8-1-90 

#2289, eff 12-30-82 (Emergency Rule) 5033, eff 12-27-90 

Document #5505 also readopted with amendments Chapter Env-A 900 and Part Env-A 1204. See 

source notes to those rules. 

PART Env-A 801 PURPOSE AND APPLICABILITY 

Env-A 801 .01 Purpose. The purpose of this chapter is to establish minimum testing and monitoring 

procedures, calculation procedures, standards, and requirements in order to determine compliance with 

applicable state and federal statutes and rules. 

Source. (See Revision Note at chapter heading for Env-A 

800) #5505 eff 11-15-92, EXPIRED : 11-15-98 

New. #6893, INTERIM, eff 11-26-98, EXPIRED : 3-26-99 

New. #7788, eff 10-31-02 

Env-A 801 .02 Applicability . 

(a) An owner or operator of a stationary source, area source, or device, required to perform testing or 

monitoring to determine compliance with RSA 125-C, any permit issued by the division, or the requirements 

of other provisions of Env-A 300 et seq., NH Rules Governing the Control of Air Pollution, shall follow the 

procedures specified herein . 

(b) The owner or operator of a source subject to Env-A 3200, NOx Budget Trading Program, shall 

comply with the testing and monitoring requirements specified in this chapter and in Env-A 3200, but shall 

follow the requirements of Env-A 3200 in case of conflict between the 2 chapters . 

Source. #7788, eff 10-31-02 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

PART Env-A 802 COMPLIANCE STACK TESTING FOR STATIONARY SOURCES 

Env-A 802.01 Purpose . The purpose of this part is to establish minimum standards and requirements 

for performing compliance stack tests to ensure that the collected data are accurate and representative of 

source operations. 

Source. (See Revision Note at chapter heading for Env-A 

800) #5505 eff 11-15-92, EXPIRED: 11-15-98 

New. #6893, INTERIM, eff 11-26-98, EXPIRED: 3-26-99 

New. #7788, eff 10-31-02 

Env-A 802.02 Stack Testing Requirements. 

(a) A compliance stack emissions test shall conform to the following: 

(1) The general requirements of 40 CFR 60 .8(a), (b), (d), (e), and (f) ; and 

(2) The test methods contained in 40 CFR 60, Appendix A, 40 CFR 51, Appendix M, or any 

other EPA-promulgated stack test method. 

(b) An owner or, operator shall sample emissions at locations and sampling points that will provide 

representative measurements of the actual emissions during source operation at the time of the test. 

(c) The owner or operator shall perform a stratification check at each measurement location where a 

determination of a gas concentration is required . 

(d) A stratification check shall be accomplished by measuring the pollutant or diluent, oxygen or 

carbon dioxide gas concentration in accordance with the EPA Emission Measurement Technical Information 

Center Guideline Document, GD-025, Determination of the Presence of Stratification of Gaseous Pollutant 

and Diluent Emissions for Continuous Emission Monitor or Reference Method Relative Accuracy Locations, 

June 21, 1994. 

(e) If stratification does not exist, a single point gas/diluent measurement location shall be acceptable 

within the inner 50 percent area of the duct or stack cross section . 

(f) If stratification exists, the owner or operator shall obtain samples either at locations across the stack 

diameter equivalent to those specified in 40 CFR 60, Appendix B, Performance Specification 2, paragraph 

3 .2, or the locations specified in 40 CFR 60, Appendix A, Method l . 

Source . (See Revision Note at chapter heading for Env-A 

800) #5505 eff 11-15-92, EXPIRED: 11-15-98 

New. #6893, INTERIM, eff 11-26-98, EXPIRED: 3-26-99 

New. #7788, eff 10-31-02 

Env-A 802.03 Pre-test Notice. 

(a) At least 30 days prior to the commencement of source testing, the owner or operator shall notify 

the division of the date(s) of any planned compliance stack testing . 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(b) The division shall require the rescheduling of any compliance stack emissions test if the staff 

necessary to observe the test are not available . 

_Source . (See Revision Note at chapter heading for Env-A 

800) #5505 eff 11-15-92, EXPIRED: 11-15-98 

New. #6893, INTERIM, eff 11-26-98, EXPIRED: 3-26-99 

New. #7788, eff 10-31-02 

Env-A 802 .04 Pre-test Protocol . At least 30 days prior to the commencement of source testing, the 

owner or operator shall submit to the division a pre-test protocol with the following information : 

(a) The facility name, address, telephone number, and contact; 

(b) The name of the contractor testing company, company contact, and telephone number; 

(c) The reasons for performing the compliance stack test ; 

(d) A complete test program description ; 

(e) A description of the process or device to be tested ; 

(f) A description of the operational mode of the process during the testing period ; 

(g) A list of operational and process data to be collected ; 

(h) A list of test methods to be used; 

(i) A description of any requested alternatives or deviations from standard EPA testing methods or 

from the requirements of this part; 

(j) A list of calibration methods and sample data sheets; 

(lc) A description of pre-test preparation procedures; 

(1) A list of sample collection and analysis methods; 

(m) A description of quality assurance procedures specific to the testing ; 

(n) A description of standard operating procedures (SOPs) for laboratory analysis of samples, or 

reference to SOPs already on file with the division; and 

(o) A description of facility safety/emergency response procedures applicable to the area of the facility 

in which the test will occur. 

Source. (See Revision Note at chapter heading for Env-A 

800) #5505 eff 11-15-92, EXPIRED : 11-15-98 

New. #6893, INTERIM, eff 11-26-98, EXPIRED: 3-26-99 

New. #7788, eff 10-31-02 

Env-A 802 .05 Pre-test Meeting. 

(a) At least 15 days prior to the test date, the owner or operator and any contractor retained by the 

owner or operator to conduct the test shall meet with a division representative in person or over the telephone. 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(b) The details of the test, the testing schedule, and the process conditions under which the data shall 

be collected, shall be finalized at the pre-test meeting. 

(c) A pre-test meeting may be held less than 15 days prior to the test date so long as implementation of 

any testing or operation changes resulting from the meeting can be carried out prior to the scheduled test date 

and the scheduled test integrity is not jeopardized . 

Source. (See Revision Note at chapter heading for Env-A 

800) #5505 eff 11-15-92, EXPIRED: 11-15-98 

New. #6893, INTERIM, eff 11-26-98, EXPIRED: 3-26-99 

New. #7788, eff 10-31-02 

Env-A 802.06 Repeating a Compliance Stack Test. An owner or operator that repeats a compliance 

stack test on the same source shall not be required to submit another pre-test protocol or attend another pretest meeting as specified in Env-A 802.04 and Env-A 802 .05, provided that the following conditions are met: 

(a) The owner or operator uses the same stack testing contractor; 

(b) The owner or operator follows all stack test and plant operating conditions specified in the 

previously accepted pre-test protocol or any deviations from the previously accepted pre-test protocol are 

specified in detail in the letter described in (d) below; 

(c) The division approved the previous stack test as submitted by the owner or operator and the stack 

testing contractor; and 

(d) The owner, operator, or stack testing contractor submits a letter to the division referencing the 

previously approved pre-test protocol and pre-test meeting and identifying in detail any deviations from the 

previously accepted pre-test protocol or pre-test meeting. 

Source. (See Revision Note at chapter heading for Env-A 

800) #5505 eff 11-15-92, EXPIRED: 11-15-98 

New. #6893, INTERIM, eff 11-26-98, EXPIRED: 3-26-99 

New. #7788, eff 10-31-02 

Env-A 802.07 Scheduling Changes. 

(a) The owner or operator shall notify the division by telephone, fax, or electronic mail prior to any 

changes in the testing schedule for a compliance stack test. 

(b) The owner or operator shall obtain prior approval from the division, which shall be based on staff 

availability, of any new date for a compliance stack test. ' 

Source. #7788, eff 10-31-02 

Env-A 802.08 Calibration Data for Stack Sampling Equipment. 

(a) The owner or operator shall provide calibration data for any sampling equipment used during the 

compliance stack testing to the division upon request during the day of testing. 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(b) The owner or operator shall provide copies of all calibration and field test data taken during the 

testing, including failed runs, to the division upon request . 

Source. #7788, eff 10-31-02 

Env-A 802 .09 Alternative Testing Methods During a Test . The division shall approve deviations from 

the agreed-upon test method or pre-test protocol if the following criteria are met: 

(a) The owner or operator informs division personnel assigned to the stack test of the following : 

(1) The deviation from the testing method or planned operational mode of the source ; 

(2) The reason(s) for the deviation; and 

(3) The implications of such a deviation; and 

(b) The owner or operator provides technical justification showing that allowance of such deviation 

will not affect the accuracy of the compliance stack emissions test . 

Source. #7788, eff 10-31-02 

Env-A 802.10 Operating Conditions During a Stack Emissions Test. A compliance test shall be 

conducted under one of the following operating conditions: 

(a) Between 90 and 100 percent, inclusive, of maximum production rate or rated capacity; 

(b) A production rate at which maximum emissions occur; or 

(c) At such operating conditions agreed upon during a pre-test meeting conducted pursuant to Env-A 

802.05 . 

Source . #7788, eff 10-31-02 

Env-A 802.11 Report Submission Requirements . 

(a) Except as provided in (b) below, the owner or operator shall submit a report to the division 

documenting the results of the compliance stack emissions test no more than 60 days after completion of 

testing . 

(b) When conducting a quality assurance/quality control audit in accordance with Env-A 808, the 

owner or operator of the source shall submit a report to the division documenting those results in accordance 

with Env-A 808.07(b) . 

(c) The compliance stack emissions test report shall contain the following information : 

(1) All the information required for the pre-test protocol as described in Env-A 802 .04 ; 

(2) All test data; 

(3) All calibration data; 

(4) Process data agreed by the division and the owner or operator to be collected ; 

(5) All test results; 

(6) A description of any discrepancies or problems that occurred during testing or sample 

analysis ; 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(7) An explanation of how discrepancies or problems were treated and their effect on the final 

results; and 

(8) A list and description of all equations used in the test report, including sample calculations 

for each equation used. 

Source. #7788, eff 10-31-02 

PART Env-A 803 NO x RACT TESTING REQUIREMENTS 

Env-A 803 .01 Purpose. The purpose of this part is to specify oxides of nitrogen (NOx) testing 

requirements for demonstration of compliance with Env-A 1211 . 

Source. (See Revision Note at chapter heading for Env-A 

800) #5505 eff 11-15-92, EXPIRED : 11-15-98 

New. #6893, INTERIM, eff 11-26-98, EXPIRED : 3-26-99 

New. #7788, eff 10-31-02 

Env-A 803 .02 Compliance Stack Testing for NOx. 

(a) Except for those devices specified in Env-A 803 .03 and those sources whose owners or operators 

opted out of the NOx RACT regulation in accordance with Env-A 1211 .01(n), owners and operators of all 

sources subject to Env-A 1211 shall conduct an initial compliance stack test in accordance with Env-A 802 to 

demonstrate compliance with the NOx RACT emission limits or NOx RACT air pollution control technology 

requirements specified in Env-A 1211 .03 through Env-A 1211 .13 . 

(b) An owner or operator subject to (a) above, shall conduct the initial compliance stack test by the 

following date : 

(1) For an existing device, such testing shall be performed within 120 calendar days of the date 

when the device becomes subject to Env-A 1211 ; or 

(2) For a new source or device, such testing shall be performed within 60 days of achieving the 

maximum production rate but no later than 180 days from startup . 

(c) Except for those devices specified in Env-A 803 .03, those sources whose owners or operators 

opted out of the NOx RACT regulation in accordance with Env-A 1211 .01(n), and those sources with a NOx 

continuous emission monitoring system certified, operated, and maintained in accordance with Env-A 808, all 

owners or operators of stationary sources subject to Env-A 1211 shall conduct periodic compliance stack 

testing in accordance with Env-A 802. 

(d) An owner or operator subject to (c) above, shall conduct periodic compliance stack testing at least 

once every 3 years after the date of the initial compliance stack test to demonstrate compliance with the NOx 

RACT air pollution control requirements specified in Env-A 1211 .03 through Env-A 1211 .13 . 

(e) For a stationary source meeting the applicability requirements of (a) and (c) above, the following 

test methods shall be used as applicable: 

(1) Method 7, 7A, 7C, 7D or 7E as described in 40 CFR 60, Appendix A, to determine NOx 

concentrations in stack gases; 

(2) Method 10 as described in 40 CFR 60, Appendix A, to determine carbon monoxide 

concentrations in stack gases; 

6 Env-A 800 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(3) Methods 1 and 2, 2C, 2F, 2G, or 2H, as described in 40 CFR 60, Appendix A, to determine 

the exit flow rate of stack gases; 

(4) Method 3 or 3A as described in 40 CFR 60, Appendix A, to determine carbon dioxide, 

oxygen, excess air and molecular weight, dry basis, of stack gases; and 

(5) Method 4 as described in 40 CFR 60, Appendix A, to determine the volume fraction of water 

vapor in stack gases. 

(f) The owner or operator may use Method 20 as described in 40 CFR 60, Appendix A, in lieu of the 

methods identified in (e) above, to determine NOx concentrations in stationary gas turbine stack gases . 

Source . (See Revision Note at chapter heading for Env-A 

800) #5505 eff 11-15-92, EXPIRED: 11-15-98 

New. #6893, INTERIM, eff 11-26-98, EXPIRED: 3-26-99 

New. #7788, eff 10-31-02 

Env-A 803 .03 Testing for Small Boilers and Emergency Generators. An owner or operator of any of 

the following boilers or emergency generators shall comply with the requirements of Env-A 803 .04 and EnvA 807 .03 : 

(a) Utility boilers subject to Env-A 1211 .03(b) with heat input rates of at least 5,000,000 Btu per hour 

but less than 50,000,000 Btu per hour; 

(b) Steam electric boilers subject to Env-A 1211 .04(b) with heat input rates of at least 5,000,000 Btu 

per hour but less than 50,000,000 Btu per hour; 

(c) Industrial boilers subject to Env-A 1211 .05(b) with heat input rates of at least 5,000,000 Btu per 

hour but less than 50,000,000 Btu per hour; 

(d) Emergency generators subject to Env-A 1211 .11 ; and 

(e) Auxiliary boilers subject to Env-A 1211 .12(b) with heat input rates of at least 5,000,000 Btu per 

hour but less than 50,000,000 Btu per hour. 

Source. (See Revision Note at chapter heading for Env-A 

800) #5505 eff 11-15-92; ss by #6087, eff 8-31-95 ; ss by 

#7788, eff 10-31-02 ; ss by #8234, eff 12-22-04 

Env-A 803 .04 Gaseous Concentration Measurements for Small Boilers and Emergency Generators. 

Following the performance of tuneup activities as specified in Env-A 1211, the owner or operator of a small 

boiler or an emergency generator as specified in Env-A 803 .03 shall perform applicable gaseous concentration 

measurements for nitrogen oxides (NOx), carbon monoxide (CO), and oxygen (OZ) as specified below: 

(a) Any of the following monitors shall be acceptable for making the gaseous concentration 

measurements : 

(1) All analyzers meeting the specifications set forth in the applicable sections of 40 CFR 60, 

Appendix B, Performance Specifications 2 through 4; 

(2) Portable extractive monitors using an electrochemical sensor for performing the gas 

concentration measurement; and 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(3) Alternative monitors, if written technical information is provided to the division 

demonstrating that the analyzer in the alternative monitor is at least as accurate as the analyzer 

using the electrochemical sensor; 

(b) A concentration monitor shall be operated following the operating procedures specified by the 

manufacturer; 

(c) Measurements shall be taken at one minute intervals at each representative operation condition 

over a minimum of a 15-minute period following achievement of stable operation; 

(d) All measurements shall be documented and averaged over the period of testing ; 

(e) Prior to and following measurement, the owner or operator shall perform, following the 

manufacturer's recommended procedures, 2 calibrations as follows: 

(1) A calibration with a gas containing between 0% and 20% of the expected concentration of 

the gas being measured, based on manufacturer's data or EPA-published emission factors for the 

device; and 

(2) A calibration with a gas containing between 80% and 150% of the expected concentration of 

the gas being measured, based on manufacturer's data or EPA-published emission factors for the 

device; 

(f) All calibration data shall be recorded and kept on-site ; 

(g) Concentration measurements shall be reported on a dry basis; and 

(h) If a direct measurement is on a wet basis, the basis for the percentage moisture used and the 

correction calculation to dry basis shall be documented . 

Source. (See Revision Note at chapter heading for Env-A 

800) #5505 eff 11-15-92 ; ss by #6087, eff 8-31-95; ss by 

#7788, eff 10-31-02 ; amd by #8234, eff 12-22-04 

PART Env-A 804 VOLATILE ORGANIC COMPOUND TESTING 

Env-A 804.01 Purpose . The purpose of this part is to specify volatile organic compound (VOC) liquid 

and VOC gas testing, measurement, and calculation requirements . 

Source . (See Revision Note at chapter heading for Env-A 

800) #5505 eff 11-15-92; ss by #6087, eff 8-31-95 ; ss by 

#7788, eff 10-31-02 

Env-A 804 .02 Applicability . This part shall apply to all sources subject to Env-A 1204, Stationary 

Sources of VOC . 

Source . (See Revision Note at chapter heading for Env-A 

800) #5505 eff 11-15-92; ss by #6087, eff 8-31-95; ss by 

#7788, eff 10-31-02 

Env-A 804.03 Indication of the VOC Content of a Coating. 

(a) VOC coating information based upon supplier or stationary source formulation data shall be prima 

facie evidence of the actual VOC content of the coating. 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(b) An owner or operator relying on supplier formulation data to determine the actual VOC content of 

a coating shall record all of the information required by the VOC data sheet found on page 11-2 of EPA 

document EPA-450/3-84-019, Procedures for Certifying Quantity of Volatile Organic Compounds Emitted by 

Paint, Ink, and Other Coatings, 1984. 

(c) An owner or operator relying on stationary source formulation data to detennine the actual VOC 

content of a coating shall record all of the information required by the VOC data sheet found on page III-2 of 

EPA document EPA-450/3-84-019, Procedures for Certifying Quantity of Volatile Organic Compol.ulds 

Emitted by Paint, Ink, and Other Coatings, 1984 . 

Source . (See Revision Note at chapter heading for Env-A 

800) #5505 eff I1-15-92 ; ss by #6087, eff 8-31-95 ; ss by 

#7788, eff 10-31-02 

Env-A 804.04 Determination of Compliance for VOC Coatings. 

(a) To determine a facility's compliance with Env-A 1204, the owner or operator shall use one of the 

following methods, as applicable : 

(1) Method 24 as described in 40 CFR 60, Appendix A, using the 60-minute bake time procedure 

for test ASTM D 2369-01 ; or 

(2) Method 24A as described in 40 CFR 60, Appendix A. 

(b) Where one or more coating or diluent of the coating formulation chemically reacts with another 

coating or diluent, in lieu of the methods specified in (a) above, the owner or operator shall : 

(1) Obtain separate samples of each coating or diluent ; 

(2) Mix the coatings or diluents in a container in the same proportions as those in the 

formulation, as applied ; 

(3) Keep the container in which mixing takes place closed between additions and during mixing; 

(4) Hold approximately 100 ml of the mixture in a container designed and chosen to minimize 

headspace prior to withdrawing a sample; 

(5) Withdraw a sample from the mixture, transfer the sample to a tared dish, and allow it to stand 

for a minimum of one hour, but not more than 24 hours, prior to conducting a Method 24 or 24A 

analysis; and 

(6) Conduct a Method 24 or 24A analysis of the coating sample . 

Source. (See Revision Note at chapter heading for Env-A 

800) #5505 eff 11-15-92; ss by #6087, eff 8-31-95 ; ss by 

#7788, eff 10-31-02 

Env-A 804.05 Calculation of VOC Content of a Coating Formulation. The owner or operator of a 

VOC source subject to a pounds VOC per gallon of coating standard as specified in Env-A 1204, which uses 

a coating that contains more than one VOC component, shall calculate the VOC content of the coating using 

the following formula, provided no chemical reaction occurs during the formulation process: 

(a) "Pounds per gallon of coating" (PPGC) means the VOC content of the coating formulation, as 

applied, used on a coating line or operation in units of pounds (lb) of VOC per gallon (gal) of coating or 

kilograms (kg) of VOC per liter (1) of coating, minus water and exempt VOC compounds; 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(b) "n" means the number of different coatings or diluents, as applied, used in the coating formulation ; 

(c) "i" means the subscript denoting an individual coating or diluent ; 

(d) "V;" means the volume of the coating or diluent i, as applied, used in the coating formulation in 

units of gallons or liters, minus water and exempt VOC compounds; 

(e) "C;" means the VOC content of the coating or diluent i, as applied, used in the coating formulation 

in units of lb of VOC/gal of coating, or kg of VOC/1 of coating less water and exempt VOC compounds, as 

determined from the Method 24 or 24A analysis and the calculation procedures in Section 2 .2 of EPA-340/1-

86-016, A Guideline for Surface Coating Calculations, July, 1986; 

(f) "VT" means the total volume of the coating formulation, as applied, in units of gallons or liters, 

minus water and exempt VOC compounds; and 

(g) PPGC shall be equal to the sum of the products of V; and Ci for coatings or diluents one through n 

divided by VT , as in the following equation: 

yn 

(VC,) 

PPGC = `-1 

VT 

Source. (See Revision Note at chapter heading for Env-A 

800) #5505 eff 11-15-92 ; ss by #6087, eff 8-31-95 ; ss by 

#7788, eff 10-31-02 

Env-A 804 .06 Calculation of Daily-Weighted Average for a Coating Line Using Multiple Coatings. 

The owner or operator of a coating source subject to a pounds VOC/gallon coating standard as specified in 

Env-A 1204, using multiple coatings on a single line, may choose to demonstrate compliance with such 

standard by calculating a daily-weighted average as follows: 

(a) "Pounds per gallon of coating, daily-weighted" (PPGCDW) means the daily-weighted average VOC 

content of the coatings, as applied, used on a coating line or operation in units of lb VOC per gal of coating or 

kg VOC per 1 of coating, minus water and exempt VOC compounds; 

(b) "n" means the number of different coatings or diluents, as applied, used each day on a coating line 

or operation; 

(c) "i" means the subscript denoting an individual coating or diluent ; 

(d) "V;" means the volume of the coating or diluent i, as applied, used each day on a coating line or 

operation in units of gal or 1, minus water and exempt VOC compounds ; 

(e) "C;" means the VOC content of the coating or diluent i, as applied, used each day on a coating line 

or operation in units of lb VOC/gal of coating, or kg VOC/1 of coating less water and exempt VOC 

compounds, as determined from the Method 24 or 24A analysis and the calculation procedures in section 2 .2 

of EPA-340/1-86-016, A Guideline for Surface Coating Calculations, July, 1986; 

(f) "VT" means the total volume of all coatings, as applied, used each day on a coating line or 

operation in units of gal or 1, minus water and exempt VOC compounds; and 

(g) The PPGCd, shall be equal to the sum of the products of Vi and C; for coatings or diluents one 

through n, divided by VT , as in the following equation: 

10 Env-A 800 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

l~' 1 (ViCi) 

PPGCow = 

VT 

Source . #6087, eff 8-31-95 ; ss by #7788, eff 10-31-02 

Env-A 804.07 Calculation of Emission Standard for Sources Complying with VOC RACT Using 

Either a Bubble or Add-On Controls . For a coating source that uses add-on control equipment or a bubble to 

achieve compliance with Env-A 1204, the overall emission standard shall be calculated as follows : 

(a) "Pounds VOC per gallon of solids, emission standard" (PPGSES) means the VOC emission 

standard in terms of Ib VOC/gal of coating solids, or kg VOC/1 of coating solids, as applied; 

(b) "Pounds VOC per gallon of coating, emission standard" (PPGCES) means the VOC emission 

standard in tenns of lb VOC/gal of coating, or kg'VOC/1 of coating, as applied, minus water and exempt 

compounds, obtained from the appropriate section of Env-A 1204; 

(c) "d,," means the actual mass density of the VOC in the applied surface coating formulation in terms 

of lb/gal or kg/1. For those stationary sources that have multiple coating lines feeding the add-on control 

equipment, dA means the weighted average actual mass density of the VOC in the applied surface coatings in 

terms of lb/gal or kg/1; and 

(d) PPGSES shall be equal to PPGCEs divided by the difference between one and the quotient of 

PPGCEs and dA, as in the following equation: 

PPGSEs = 

PPGCEs 

1 _ ( PPGCEs ) 

dA 

Source. #6087, eff 8-31-95 (formerly Env-A 804.05); ss by 

#7788, eff 10-31-02 

Env-A 804 .08 Calculation of Daily-Weighted Average for Coating Lines With Bubble or Control 

Device. The owner or operator of a coating source that complies with Env-A 1204 by using add-on control 

equipment or a bubble and which is subject to a pounds VOC/gallon of coating solids standard shall 

demonstrate compliance with such standard by calculating a daily-weighted average in pounds VOC/gallon 

solids as follows: 

(a) "Pounds VOC per gallon of solids, daily-weighted" (PPGSpw) means the daily weighted average 

VOC content, as applied, of the coatings used on multiple coating lines or operation in units of lb VOC/gal of 

coating solids or kg/1 of coating solids ; 

(b) "n" means the number of different coatings and dilution solvents, as applied, used in a day on a 

coating line or operation; 

(c) "i" means the subscript denoting an individual coating or dilution solvent; 

(d) "V;" means the volume of the coating or dilution solvent i as applied, used in a day on a coating 

line or operation in units of gal or 1 ; 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(e) "WVOCi" means the weight fraction of VOC of the coating or dilution solvent i as applied, minus 

water and exempt VOC compounds, used in a day on a coating line or operation in units of lb VOC/lb 

coating, or kg VOC/kg coating as determined from Method 24 or 24A analysis ; 

(f) "Di" means the density of the coating or dilution solvent i in units of lbs/gal coating, or kg/1 coating 

as determined from Method 24 or 24A analysis ; 

(g) "VS;" means the volume fraction solids content of each coating i, as applied, used in a day on a 

coating line, in units of gal solids/gal coating or liter (1) solids/1 coating as determined by calculation using the 

formulation ; and 

(h) "PPGSDw" shall be equal to the sum of the products of Vi, WVOCi, and Di for coatings or dilution 

solvents one through n, divided by the sum of the products of V; and VSi for coatings or dilution solvents one 

through n, as in the following equation: 

In 1 VZ(WVOCi)Di 

PPGSDw = 

~i 1 Vi VSi 

Source. #7788, eff 10-31-02 

Env-A 804.09 Calculation of Required Overall Emission Reduction Efficiency of a Control System. 

The owner or operator of a coating source using add-on control equipment or a bubble to achieve compliance 

with Env-A 1204 shall calculate the required emission reduction efficiency of the control system as follows : 

(a) "EREQ" means the required overall emission reduction efficiency of the control system for the day, 

expressed as a percentage; 

(b) "PPGSMAx" means the maximum VOC content of the coatings, as applied, used each day on the 

subject coating line or operation, in units of lbs of VOC/gal of coating solids, as determined by the applicable 

test methods and procedures specified in this section and the calculation examples presented in section 2 of 

EPA Document Number EPA-340/1-86-016, A Guideline for Surface Coating Calculations, July, 1986; 

(c) "PPGSEs" means the VOC emission standard in terms of lb/gal, or kg/1, of coating solids as 

calculated in accordance with Env-A 804.07; and 

(d) EFEQ shall be equal to the difference between PPGSMAx and PPGSES, multiplied by 100 and 

divided by PPGSMkx,as in the following equation: 

EREQ - 

(PPGSMAx - PPGSES) xl 00 

(PPGSnaAx) 

. Source. #7788, eff 10-31-02 

Env-A 804.10 Calculation of Actual Overall Emission Reduction Efficiency of a Control System. The 

owner or operator of a coating source using add-on control equipment to achieve compliance with Env-A 

1204 shall determine the measured overall emission reduction efficiency of the control system as follows : 

(a) "EMEAS" means the measured overall emission reduction efficiency of the control system for the 

day, expressed as a percentage; 

(b) "CE" means the most recent capture efficiency test results, in percentage of VOC captured, as 

determined in accordance with Env-A 805 ; 

12 Env-A 800 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(c) "RE" means the measured VOC removal efficiency of the control device, in percentage of VOC 

removed; 

(d) The EMCAS shall be equal to the product of CE divided by 100, RE divided by 100, and 100, as in 

the following equation : 

(RE) EMC,4 s = (CE) 

x x100 

100 100 

Source . #7788, eff 10-31-02 

Env-A 804.11 Compliance Determination of a Control System. For a coating source using add-on 

control equipment, the control system shall be determined to be in compliance with its overall emission 

standard when, on a daily basis, EME,,s is greater than or equal to the EREQ, as those terms are defined in EnvA 804.10. 

Source. #7788, eff 10-31-02 

Env-A 804.12 Compliance Stack Testing for VOCs. 

(a) The owner or operator of a stationary source that achieves compliance with Env-A 1204 through 

the operation of an add-on control system shall perform compliance stack testing in accordance with this 

section and Env-A 802 to determine the control efficiency of the add-on control system. 

(b) Compliance stack testing required by this section shall be performed within 180 days of the date 

that the source becomes subject to Env-A 1204 or within 60 days of startup of the control device, whichever 

is later. 

(c) For an owner or operator of a stationary source performing compliance stack testing 

demonstrate compliance with Env-A 1204, the following test methods as applicable shall be used: 

(1) Methods 1-4 in 40 CFR 60, Appendix A, for determining flow rates; and 

in order to 

(2) Methods 18, 25, 25A or 25B in 40 CFR 60, Appendix A, for determining gaseous 

concentrations. 

(d) For purposes of this section, parts per million by volume (ppmv) shall be expressed : 

(1) In terms of the calibration gas used during the stack test or as the actual 

measured; and 

(2) On the same basis as the outlet concentration . 

organic 

constituent 

(e) Measurements made pursuant to this section may be on a wet or dry basis but shall be consistent 

with the basis of all concentration and volumetric flow values used in the formula in (f) below. 

(f) The removal efficiency of the add-on control system shall be determined, as applicable, by 

simultaneously measuring the inlet and outlet gas-phase VOC concentrations and gas volumetric flow rates 

using the testing methods specified above and the following formula: 

(1) "RE" means the VOC removal efficiency of the control device in percentage; 

(2) "Qi" means the volumetric flow rate of the inlet gas flowing into the control device, in 

standard cubic feet per hour (SCFH); 

13 Env-A 800 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(3) "Ci" means the concentration of VOC flowing into the control device, ppmv; 

(4) "n" means the number of input gaseous streams feeding the control device; 

(5) "Qo" means the volumetric flow rate of the outlet gas exiting the control device, in SCFH; 

(6) "Co" means the concentration of VOC exiting the control device, ppmv; 

(7) "m" means the number of emission vents leaving the control device; and 

(8) RE shall be equal to the sum of the products of Qi and Ci for input gaseous streams one 

through n, minus the sum of the products of Qo and Co for emission vents one through n, divided 

by the sum of the products of Qi and Ci for input gaseous streams one through n, the entire 

quantity multiplied by 100 to convert to percentage, as in the following equation: 

n n 

Y QZCl - Y QOCO 

RE = '=' 

n X 100 

~ QZCZ 

1'-1 

(g) The owner or operator of a stationary source that achieves compliance with Env-A 1204 through 

the operation of an add-on control system shall also be required to perform capture efficiency testing as 

applicable in accordance with Env-A 805 . 

Source . #7788, eff 10-31-02 

Env-A 804 .13 Mass Balance Alternative to Compliance Stack Testing for VOC. For a stationary 

source using a control device designed to collect and recover VOC, such as a carbon adsorber, the mass 

balance alternative test as specified in Env-A 805 .06 for the combined capture efficiency and control 

efficiency may be performed in place of compliance stack testing specified in Env-A 804 .12. 

Source . #7788, eff 10-31-02 

Env-A 804.14 Rotogravure and Flexo rgaphic Printing and Graphics. 

(a) For rotogravure and flexographic printing and graphics operations compliance shall be determined 

using the test methods specified in either (b) or (c) below. 

(b) For an operation using low solvent inks to achieve compliance with Env-A 1204.36, the applicable 

test method in Env-A 804.04 shall apply as follows : 

(1) Compliance shall be determined for each ink or each ink blend on an instantaneous basis ; and 

(2) For ink blends containing multiple constituents, the average percentage VOC shall be 

determined as follows: 

a. "V%VOCAVE" means the average volume percentage VOC content in the ink 

formulation used minus water and exempt VOC compounds; 

b . "n" means the number of different constituents, used in the ink formulation ; 

c. "V%VOC;" means the volume percentage VOC content in the ink constituent "i" minus 

water and exempt VOC compounds; 

14 Env-A 800 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

d. "VF," means the volume fraction of constituent "i" used in the ink formulation ; and 

e. The V%VOCAVE shall be equal to the sum of the products of VF; and V%VOC; for ink 

constituents one through n, as in the following equation: 

V%VOCAVr - l."~ (M) (V %VOCi) 

(c) For an operation using a control system to achieve compliance with Env-A 1204.36, the following 

test methods and procedures, as applicable, shall apply: 

(1) Env-A 802, Compliance Stack Testing for Stationary Sources; 

(2) Env-A 804 .12, Compliance Stack Testing for VOCs; 

(3) Env-A 804 .13, Mass Balance Alternative to Compliance Stack Testing for VOC; and 

(4) Env-A 805, Capture Efficiency. 

Source. #7788, eff 10-31-02 

Env-A 804 .15 Testing Fountain Solutions in Offset Lithography . To determine compliance with EnvA 1204.37(c)(4), an owner or operator of a business that operates an offset lithographic printing press shall 

use the methods prescribed below: 

(a) The VOC content of the fountain solution, which is the mixture used to maintain the quality of the 

printing plate, shall be determined by one of the following procedures: 

(1) The applicable test method specified in Env-A 804.04 ; 

(2) Measurement of an in-use sample of fountain solution with a hydrometer or refractometer 

that has been standardized using the procedures of (3)c .l . or (3)c .2 ., below, which demonstrates 

that the value so obtained is not more than 10% greater than the value determined in accordance 

with the procedures specified in (a)(1) above; 

(3) Monitoring with a refractometer, in accordance with the following procedure: 

a. The refractometer shall be corrected for temperature at least once per 8-hour shift or 

once per batch, whichever is longer; 

b . The refractometer shall have a visual, analog, or digital readout with an accuracy of 

+0 .5% ; 

c. The refractometer shall be calibrated by one of the following methods: 

1 . Using a standard solution to calibrate the refractometer for the type of alcohol used 

in the fountain solution ; or 

2 . Standardizing the refractometer against measurements and calculations performed 

in accordance with Env-A 804.04 ; 

(4) Monitoring with a hydrometer, according to the following procedure : 

a. Temperature correction shall be achieved as follows : 

1 . The hydrometer shall be equipped with temperature correction; or 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

2. Readings shall be adjusted for temperature ; 

b . Hydrometer monitoring shall be performed at least once per 8-hour shift or once per 

batch, whichever is longer; 

c. The hydrometer shall have a visual, analog, or digital readout with an accuracy of 

+0.5%; and 

d. The hydrometer shall be calibrated by one of the following methods: 

1 . Using a standard solution to calibrate the hydrometer for the type of alcohol used in 

the fountain; or 

2 . Standardizing the hydrometer against measurements or calculations performedin 

accordance with Env-A 804.04 ; or 

(5) Where a refractometer or hydrometer cannot be used to monitor the type of VOCs in the 

fountain solution, monitoring with a conductivity meter in accordance with the following : 

a. The reading of the conductivity meter shall be referenced to the conductivity of the 

incoming water; and 

b. The conductivity meter shall be calibrated by one of the following methods: 

1 . Using a standard solution to calibrate the conductivity meter for the type of alcohol 

used in the fountain ; or 

2. Standardizing the conductivity meter against measurements or calculations 

performed in accordance with Env-A 804.04 ; and 

(b) Compliance with the fountain solution temperature requirements imposed by the options of Env-A 

1204.37(c)(4)a.2 . for web-fed heatset operations, where heat is used to set the printing ink on a continuous roll 

of paper, or Env-A 1204.37(c)(4)b .2 . for sheet-fed operations, shall be demonstrated by: 

(1) Using a thermometer or other temperature detection device capable of reading to within+0.5 

degrees F; and 

(2) Reading and recording the output of the temperature instrument at least once per operating 

day to verify proper operation of the refrigeration system . 

Source. #7788, eff 10-31-02 

Env-A 804.16 Testing Cleaning Solutions in Offset Lithography . To determine compliance with EnvA 1204.37(c)(1), an owner or operator of a business that operates an offset lithographic printing press shall 

use the methods prescribed below: 

(a) The VOC content of the cleaning solution shall be determined by the applicable test methods 

specified in Env-A 804.04 ; 

(b) The VOC composite partial vapor pressure of the cleaning solution pursuant to the option specified 

in Env-A 1204.37(c)(1)b. shall be determined using one of the following procedures : 

(1) An alternate analytical method approved by the director in accordance with Env-A 809; or 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(2) A calculation which combines on a volumetric basis the analytical VOC vapor pressure data 

for the constituents of the cleaning solution based on records of the proportions in which they are 

mixed to make the press-ready cleaning solution ; and 

(c) An owner or operator of a business that operates an offset lithographic printing press choosing to 

demonstrate compliance with the VOC limitations specified in Env-A 1204 .37(c)(1)a. and equipped with 

automatic devices that mix cleaning solution at the point of application shall employ flow meters or fixedvolume spray systems to monitor water and cleaning solution application rates . 

Source. #7788, eff 10-31-02 

Env-A 804 .17 Determining Control Efficiencies in Offset Lithography. Compliance with the control 

efficiency requirements for an add-on control device used to reduce VOC emissions from the dryer exhaust of 

heatset inks used in offset lithography, pursuant to Env-A 1204 .37(c)(3), shall be demonstrated using the test 

methods and procedures described in the following rules, as applicable : 

(a) Env-A 802, Compliance Stack Testing for Stationary Sources; 

(b) Env-A 804 .12, Compliance Stack Testing for VOCs; 

(c) Env-A 804.13, Mass Balance Alternative to Compliance Stack Testing for VOC ; and 

(d) Env-A 805, Capture Efficiency. 

Source. #7788, eff 10-31-02 

Env-A 804 .18 Fixed-roof VOC Storage Tanks. When performing a visual inspection of the internal 

floating roof and its closure seal(s) as required by Env-A 1204 .38, the owner or operator of a fixed-roof VOC 

storage tank shall inspect for all of the following : 

(a) The cover shall be uniformly floating on or above the liquid; 

(b) The surface of the cover shall have no visible defects ; 

(c) The cover shall have no accumulated liquid ; and 

(d) The seal shall be intact and uniformly in place around the circumference of the cover between the 

cover and tank wall. 

Source . #7788, eff 10-31-02 

Env-A 804.19 External Floating Roof VOC Storage Tanks. The owner or operator of a VOC storage 

tank with an external floating roof shall perform the following actions : 

(a) A visual inspection of the secondary seal gap during semi-annual inspections ; and 

(b) When the roof is equipped with a vapor-mounted primary seal, annual measurement of the 

secondary seal gap in accordance with the following procedure : 

(1) The length and width of all gaps around the entire circumference of the secondary seal shall 

be measured in each place where a 0.32 cm or 0 .125 in. uniform diameter probe passes freely, 

without forcing or binding against the seal, between the seal and tank wall; and 

(2) The sum of the areas of the individual gaps shall be calculated. 

Source. #7788, eff 10-31-02 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

Env-A 804 .20 Bulk Gasoline Loading Terminals . The owner or operator of a bulk gasoline loading 

terminal shall use the following test methods : 

(a) The test methods and procedures specified for vapor control units in 40 CFR 60,503; and 

(b) Method 27 as described in 40 CFR 60, Appendix A, for vapor tightness of gasoline delivery . 

Source. #7788, eff 10-31-02 

Env-A 804.21 Solvent Metal Cold Cleaners . Open Top Degreasing and Conveyorized Degreasing. 

The owner or operator of a solvent metal cold cleaner, open top vapor degreasing operation, or conveyorized 

degreasing operation shall use the following test methods: 

(a) Visual inspection for compliance with equipment specifications and operating procedures; and 

(b) When compliance is by add-on control systems: 

(1) Methods 1-4 in 40 CFR 60, Appendix A, for determining flow rates ; 

(2) Methods 18, 25, 25A or 25B in 40 CFR 60, Appendix A, for determining gaseous organic 

concentrations ; and 

(3) ASTM D323-99a for measuring solvent true vapor pressure . 

Source. #7788, eff 10-31-02 

PART Env-A 805 CAPTURE EFFICIENCY (CE) 

Env-A 805 .01 Scope. The capture efficiency (CE) testing requirements of this section shall apply to 

all VOC-emitting processes that are subject to the provisions of Env-A 1204.09 through Env-A 1204 .51, 

where it has been determined by the director that CE testing is required to demonstrate compliance with those 

provisions. 

Source. (See Revision Note at chapter heading for Env-A 

800) #5505 eff 11-15-92, EXPIRED : 11-15-98 

New. #6893, INTERIM, eff 11-26-98, EXPIRED: 3-26-99 

New. #7788, eff 10-31-02 

Env-A 805 .02 Definitions . For the purposes of this part, the following definitions and abbreviations 

shall apply: 

(a) "Average face velocity" means the velocity at an emissions collection point as calculated by 

dividing the average volumetric flow rate by the total of the face of the collection; 

(b) "Building enclosure" (BE) means a structure that: 

(1) Contains a VOC-emitting process; and 

(2) Meets the specifications given in 40 CFR 51, Appendix M, Method 204; 

(c) "Capture" means the containment or recovery of emissions from a process for direction into an 

exhaust duct which leads to a stack or a control device; 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(d) "Capture efficiency" (CE) means the weight per unit of time of VOC entering a capture system and 

delivered to a control device divided by the weight per unit time of total VOC emitted by an emission Source 

of VOC expressed as a percentage ; 

(e) "Capture system" means any other equipment that contains, collects and/or transports an air 

pollutant to a control device, such as hoods, ducts, fans, booths, ovens, and dryers; 

(f) "Control device" means equipment used to reduce, by destruction or removal, the amount of air 

pollutant(s) in an air stream prior to discharge into the ambient air, such as an incinerator or carbon adsorber; 

(g) "Control system" means a combination of one or more capture system(s) and control device(s) ; 

(h) "Destruction or removal efficiency" means the efficiency, expressed as a percentage, of a control 

device in destroying or removing contaminants calculated as one minus the ratio of the amount of VOC 

exiting the control device to the amount of VOC entering the control device; 

(i) "Gas/gas method" means a method for determining capture efficiency which relies only on gas 

phase measurements, either by: 

(1) Construction of a temporary total enclosure (TTE) to assure all would-be fugitive emissions 

are measured; or 

(2) Use of a building or room that houses the emission source as a BE; 

(j) "Hood" means a partial enclosure or canopy for capturing and exhausting, by means of a draft, the 

organic vapors or other fumes rising from a coating process or other source ; 

(lc) "Liquid/gas method" means a method for detennining capture efficiency which requires both gas 

phase and liquid phase measurements and analysis, either by: 

(1) Construction of a temporary total enclosure (TTE); or 

(2) Use of a building or room that houses .the emission source as a BE; 

(1) "Method 204" means the criteria for and verification of a permanent or temporary total enclosure as 

specified in 40 CFR 51, Appendix M; 

(m) "Method 204A" means the procedure for determining the VOC content in a liquid input stream as 

specified in 40 CFR 51, Appendix M; 

(n) "Method 20413" means the procedure for detennining the VOC emissions in a captured stream as 

specified in 40 CFR 51, Appendix M; 

(o) "Method 204C" means the procedure for determining the VOC emissions in a captured stream as 

specified in 40 CFR 51, Appendix M; 

(p) "Method 204D" means the procedure for determining the VOC emissions in a fugitive stream from 

a temporary total enclosure as specified in 40 CFR 51, Appendix M; 

(q) "Method 204E" means the procedure for determining the VOC emissions in a fugitive stream from 

a building enclosure as specified in 40 CFR 51, Appendix M; 

(r) "Method 204F" means the procedure for determining the VOC content in a liquid input stream, 

such as the distillation approach, as specified in 40 CFR 51, Appendix M; 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(s) "Overall control" means, for a solvent recovery system, the ratio of the total recovered solvent 

VOC in a control device to the sum of the liquid VOC input to all process lines venting to the control system; 

(t) "Overall emission reduction efficiency" means the weight per unit time of VOC removed or 

destroyed by a control device divided by the weight per unit time of VOC emitted by an emission source, 

expressed as a percentage, and is the product of the capture efficiency and the control equipment destruction 

or removal efficiency; 

(u) "Permanent total enclosure" (PTE) means a structure that: 

(1) Contains a process that emits VOC; and 

(2) Meets the specifications given in Method 204; and 

(v) "Temporary total enclosure" (TTE) means a structure that: 

(1) Is built around a process that emits VOC; and 

(2) Meets the specification given in Method 204 . 

Source. (See Revision Note at chapter heading for Env-A 

800) #5505 eff 11-15-92, EXPIRED: 11-15-98 

New. #6893, INTERIM, eff 11-26-98, EXPIRED : 3-26-99 

New. #7788, eff 10-31-02 

Env-A 805.03 Requirements -for CE Testing. 

(a) Detailed requirements for CE testing shall be as specified in this section and in the Guidelines for 

Determining Capture Efficiency (GFDCE), Candace Sorrell, Source Characterization Group A (MD-19), 

Emission Monitoring and Analysis Division, Office of Air Quality Planning and Standards, U.S . 

Environmental Protection Agency, Research Triangle Park, NC 27711, January 9, 1995. 

(b) An owner or operator of a source that uses a control device in order to comply with Env-A 1204 

shall perform CE testing whenever compliance stack testing is required to be performed in accordance with 

Env-A 804. 

(c) An owner or operator required to perform CE tests shall : 

(1) Perform one of the CE test procedures specified in Env-A 805 .04 ; 

(2) Use one of the alternative CE test procedures specified in Env-A 805 .05; or 

(3) Use an alternative CE test procedure in accordance with Env-A 809. 

Source . (See Revision Note at chapter heading for Env-A 

800) #5505 eff 11-15-92, EXPIRED : 11-15-98 

New. #6893, INTERIM, eff 11-26-98, EXPIRED: 3-26-99 

New. #7788, eff 10-31-02 

Env-A 805 .04 CE Procedures. 

(a) For the gas/gas method using a TTE, as described in Method 204, the CE shall be determined by 

the following procedure : 

20 Env-A 800 
NEW HAMPSHIRE CODE OF ADMINISTRATWE RULES 

(1) "CE" means the capture efficiency calculated as a decimal fraction ; 

(2) "G" means the mass of VOC captured and delivered using TTE, obtained using Method 

204C, or if a single flame ionization analyzer (FIA) device cannot be used simultaneously for 

Method 204D and Method 204C, Method 204B may be used for the determination of G; 

(3) "F° means the mass of fugitive VOC that escapes from TTE, obtained using Method 204D; 

and 

(4) CE shall be obtained by dividing G by the sum of G and F, as in the following equation: 

CE = G/(G + F) 

(b) For the liquid/gas method using TTE, as described in Method 204, the CE shall be determined by 

the following procedure : 

(1) "CE" means the capture efficiency calculated as a decimal fraction; 

(2) "L" means the mass of liquid VOC input to process, obtained using Method 204A or Method 

20417 ; 

(3) "F" means the mass of fugitive VOC that escapes from a TTE, obtained using Method 204D; 

and 

(4) CE shall be obtained by dividing the difference between L and F by L, as in the following 

equation: 

CE = (L - F)/L 

(c) For the gas/gas method using as the enclosure the BE in which the affected source is located and in 

which G and FB, as defined in (c)(2), below, are measured while operating only the affected facility : 

(1) All fans and blowers in the BE shall be operated as they would under normal production ; and 

(2) The CE shall be detern1ined as follows: 

a. "CE" means the capture efficiency calculated as a decimal fraction ; 

b. "G" means the mass of VOC captured and delivered to a control device, obtained using 

Method 204C, or if a single FIA device cannot be used simultaneously for Method 204E and 

Method 204C, Method 204B may be used for the determination of G; 

c. °FB° means the mass of fugitive VbC that escapes from the BE, obtained using Method 

204E; and 

d. CE shall be obtained by dividing G by the sum of G and FB, as in the following equation: 

CE = G/(G + FB) 

(d) For the liquid/gas method using as the enclosure the BE in which the affected source is located and 

in which L and FB, as defined in (d)(2), below, are measured while operating only the affected facility : 

(1) All fans and blowers in the BE shall be operated as they would under normal production; and 

(2) The CE shall be determined as follows: 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

a. "CE" means the capture efficiency calculated as a decimal fraction ; 

b. "L" means the mass of liquid VOC input to process, obtained using Method 204A or 

Method 204F; 

c. "FB" means the mass of fugitive VOC that escapes from the BE, obtained using Method 

204E; and 

d. The CE shall be obtained by dividing the difference between L and FB by L, as in the 

following equation: 

CE = (L - FB)/L 

Source. #7788, eff 10-31-02 

Env-A 805 .05 Alternative CE Procedures for Control Devices Other Than Solvent Recovery Systems . 

(a) If a source installs a PTE that meets EPA specifications as described in Method 204 and which 

directs all VOC to a control device, the CE shall be assumed to be 100%, and the source shall be exempt from 

the CE testing requirements described in this part. A source that has installed a PTE shall not be exempt from 

the compliance stack testing requirements of any control device required under these or any other rules. 

(b) A source choosing to demonstrate that it meets the criteria for a PTE shall submit the following to 

the division : 

(1) Documentation showing that all Method 204 criteria for a PTE were met during the testing 

for control efficiency of the add-on control device; or 

(2) For any time period other than during testing of the add-on control device for control 

efficiency, documentation which demonstrates that the operation of the control system occurred 

under the same conditions experienced during the control device compliance stack test . 

(c) The data quality objective (DQO) approach as specified in the GFDCE, Section 3 .1, may be used 

as an alternative method for determining CE using the Method 204 through Method 204F test series, in 

conjunction with the additional criteria specified in Section 3.3 of the GFDCE and the reporting and 

recordkeeping requirements of Section 3 .4 and 3 .5 of the GFDCE. 

(d) The lower confidence limit (LCL) approach as specified in the GFDCE, Section 3 .2, may be used 

as an alternative method for determining CE, using the following : 

(1) The Method 204 through Method 204F test series; 

(2) Additional criteria specified in Section 3 .3 of the GFDCE; and 

(3) The reporting and recordkeeping requirements of Section 3 .4 and 3 .5 of the GFDCE. 

(e) Multiple line CE testing may be used if the requirements in the GFDCE, Section 4.0, are followed. 

Source. #7788, eff 10-31-02 

Env-A 805 .06 Alternate CE Procedures for Solvent Recovery Systems . For a source that uses a 

control device, such as a carbon adsorber, designed to collect and recover VOC in accordance with the criteria 

in Env-A 805.07, the following alternative to CE testing may be used: 

(a) The overall control efficiency of the system shall be determined over a minimum of a 24-hour 

period ; -. 

22 Env-A 800 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(b) The testing procedures shall be as described in 40 CFR 60.433, with the following additional 

restrictions for VOC sources subject to RACT: 

(1) The owner or operator of the source shall compare solvent usage to solvent recovery on a 24-

hour basis, rather than a 30-day weighted average as specified in 40 CFR 60 .433 ; or 

(2) If the overall emission reduction efficiency required by the applicable regulation is met, as 

determined by the initial 24-hour test, the owner or operator of the source may compare solvent 

usage to solvent recovery over an alternative time period subject to the following : 

a. The owner or operator seeking approval of an alternative time period shall submit the 

following infonnation in writing to the director: 

1 . The identity and description of the facility, including a description of the process 

and the solvent recovery control device; 

2 . The proposed alternative time period, not to exceed 30 days ; and 

3 . Technical data and information demonstrating that the control device designed to 

collect and recover VOC will be operated in a manner consistent with the manner in 

which it was operated during the initial 24-hour period of the test, and that the results 

produced over the proposed time period are no less precise and accurate than those 

produced during the initial 24-hour time period; 

b. The director shall review the information submitted pursuant to (b)(2)a ., above; 

c . The director shall approve the proposed alternative time period if all of the information 

required in (b)(2)a ., above, has been submitted to the division and the information 

demonstrates that: 

1 . The control device shall be operated in a manner consistent with the manner in 

which it was operated during the initial 24-hour time period of the test ; and 

2 . The results produced over the proposed time period shall be no less precise and 

accurate than those produced during the initial 24-hour time period ; and 

d . The director shall notify the applicant and the EPA of the decision within 60 days of 

receipt of the required information ; 

(c) Each demonstration as specified in (b)(1) above, relating solvent usage with solvent recovery, 

including the initial 24-hour time period, shall be performed by the source within 72 hours of the end of each 

established time period; and 

(d) Any recovery rates calculated using the procedure described in this section, which result in a lower 

rate than that needed to comply with the applicable rule, shall be reported to the division within 7 calendar 

days. 

Source. #7788, eff 10-31-02 

Env-A 805 .07 Solvent Recovery System Requirements . An owner or operator of a source using a 

solvent recovery system may use the alternate CE testing procedure described in Env-A 805 .06 if the solvent 

recovery system meets one of the following criteria : 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(a) The solvent recovery system is dedicated to a single process line, for example, one process 

line venting to a carbon adsorber system; or 

(b) If the solvent recovery system controls multiple process lines, the owner or operator 

demonstrates by submitting written documentation to the division that the overall control meets or 

exceeds the most stringent standards applicable for each process line venting to the control 

system. 

Source. #7788, eff 10-31-02 

Env-A 805 .08 Recordkeeping and Reporting . Recordkeeping and reporting requirements for CE 

testing shall be as follows : 

(a) The owner or operator of a source required to perform CE tests shall maintain a copy of the CE test 

results at the source; 

(b) The owner or operator shall notify the division at least 30 days prior to performing any CE or 

control efficiency tests; 

date; 

(c) The owner or operator shall report all results of CE testing to the division within 60 days of the test 

(d) For any source using a PTE, the owner or operator shall demonstrate by submitting written 

documentation to the division that the enclosure meets the requirements specified in Method 204 for a PTE 

during any testing of the control device; 

(e) For any source using a TTE, the owner or operator shall demonstrate by submitting written 

documentation to the division that: 

(1) Its TTE meets the requirements given in Method 204 for a TTE during testing of their control 

device; and 

(2) The quality assurance criteria for a TTE have been achieved; and 

(f) The owner or operator shall notify the division of any changes made to the capture or control 

equipment, except for any reductions in the air flow at a collection point that occurs because the emission 

source that the collection point is serving is not being used. 

Source. #7788, eff 10-31-02 

Env-A 805 .09 Changes to the Control System. 

(a) Measurements of average face velocity shall be done at all collection points whenever any physical 

changes are made to the control system; and 

(b) Any one of the following shall constitute a change to the capture or control equipment, thereby 

requiring a new CE test : 

(1) An increase of more than 10% in the distance between any emission collection point and the 

emission source that the collection point is serving ; 

(2) A reduction in the average face velocity at any emission point ducted to the control device to 

a value less than 90% of the value measured and recorded during a previous CE test, except for 

reductions occurring at a collection point as a result of a shutdown of the emission point that said 

collection point is serving; or 

24 Env-A 800 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(3) A change in the physical structure or operation which causes an increase or decrease in the 

amount of a specific air pollutant emitted from a device or which results in the emission of any 

additional air pollutant, and such change is determined by the division to have a significant impact 

on air quality as determined by modeling conducted in accordance with 40 CFR 51, Appendix W. 

Source. #7788, eff 10-31-02 

PART Env-A 806 SULFUR CONTENT TESTING OF FUELS 

Env-A 806.01 Purpose. The purpose of this part is to specify testing procedures for sulfur content in 

fuels. 

Source . #6057-B, eff 6-30-95; ss by #7788, eff 10-31-02 

Env-A 806 .02 Test Methods for Liquid Fuels. 

(a) For the purpose of determining the sulfur content, in percent sulfur by weight, for the liquid fuels 

listed in the left column of Table 8.1, the owner or operator shall use one of the specified test methods, as 

described in Table 8 .1 : 

Table 8.1 Test Methods for Liquid Fuels 

ASTM D1552- 

01 

ASTM D2622- 

98 

ASTM D5453- 

00 

ASTM D4294- 

98 

ASTM D3120- 

96 

No. 2 Oil x x x x 

No. 4 Oil x x x x 

No. 6 Oil x x x 

Off-road 

Diesel 

x x x x 

Crude Oil x x x 

On-road Lowsulfur Diesel 

x x 

Kerosene-1 x 

Kerosene-2 x 

Jet A-1 

Aviation Fuel 

x x x 

Jet B Aviation 

Fuel 

x x x 

JP-4 Aviation 

Fuel 

x x x 

JP-8 Aviation 

Fuel 

x x x x 

Aviation 

Gasoline 

x x 

__ 

Gasoline x x ~ x 

(b) For the purpose of determining the sulfur content, in percent sulfur by weight, for blended liquid 

fuel, the owner or operator shall use one of the following procedures: 

(1) An analysis of the blended product following the applicable methods specified in (a) above; 

or 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(2) An analysis of each blended fuel constituent following the applicable methods specified in (a) 

above, combined with weight averaging of the constituents. 

(c) If the procedure in (b)(2) above, is used, the owner or operator shall: 

(1) Calibrate all flow meters and instrumentation used in the weight averaging measurement in 

accordance with the manufacturer's recommended procedures; and 

(2) Document and maintain on file such calibration and date of calibration . 

Source. #7788, eff 10-31-02 

Env-A 806.03 Test Methods for Gaseous Fuels. 

(a) For the purpose of determining the sulfur content in grains of sulfur per 100 cubic feet of natural 

gas, the owner or operator shall use one of the following test methods : 

(1) ASTM D 1072-90; 

(2) ASTM D 4084-94 ; 

(3) ASTM D 3246-96 ; 

(4) ASTM D 5504-01 ; or 

(5) ASTM D 6228-98 . 

(b) For the purpose of determining the sulfur content in grains of sulfur per 100 cubic feet of LP gas, 

the owner or operator shall use one of the following test methods : 

(1) ASTM D 2420-91 ; or 

(2) ASTM D 2784-98 . 

Source. #7788, eff 10-31-02 

Env-A 806.04 Test Methods for Coal. The owner or operator shall use Method ASTM D 4239-00 to 

determine the sulfur content of coal in pounds of sulfur per million BTU gross heat content . 

Source. #7788, eff 10-31-02 

Env-A 806.05 Recordkeeping Requirements . 

(a) For a stationary source combusting liquid fuel or coal, the owner or operator shall maintain the 

following sulfur analysis records : 

(1) Records showing the maximum weight percentage sulfur and quantity of each fuel delivery 

shipment received; and 

(2) Records showing either : 

a. The analytical method used and the specific fuel analysis results of the shipment or 

consignment from which the shipment came ; or 

b. Delivery records sufficient to allow for traceability of the analytical results 

corresponding to each shipment received by the stationary source, showing: 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

1 . The date of delivery ; 

2. The quantity of delivery; 

3 . The type of fuel; 

4 . The maximum percent sulfur ; and 

5 . The name, address, and telephone number of the company making the delivery . 

(b) In an investigation or for an inspection by the department, the owner or operator shall provide 

copies of any of the documents generated under paragraph (a) above, to the director or to the director's 

authorized representative . 

Source . #7788, eff 10-31-02 

PART Env-A 807 TESTING FOR OPACITY OF EMISSIONS 

Env-A 807.01 Definition. For the purpose of this part, "Certified opacity CEM" means an opacity 

continuous emission monitor that meets all of the requirements of: 

(a) 40 CFR 60, Appendix B, Performance Specification 1 - Specifications and Test Procedures for 

Opacity Continuous Emission Monitoring Systems in Stationary Sources; 

(b) ASTM D 6216-98, Standard Practice for Opacity Monitor Manufacturers to Certify Conformance 

with Design and Performance Specifications ; and 

(c) Env-A 808 . 

Source. (See Revision Note at chapter heading for Env-A 

800) #5505 eff 11-15-92; renumbered by #6057-B (formerly 

Env-A 806), EXPIRED : 11-15-98 

New. #6893, INTERIM, eff 11-26-98, EXPIRED: 3-26-99 

New . #7788, eff 10-31-02 

Env-A 807 .02 Testing for Opacity from Stationary Sources. The owner or operator shall conduct 

opacity measurements for a stationary source other than a small boiler or an emergency generator subject to 

Env-A 1211, by using either of the following: 

(a) 40 CFR 60, Appendix A, Method 9 - Visual Determination of the Opacity of Emissions from 

Stationary Sources; or 

(b) A certified opacity CEM installed on the stack for which the opacity is being measured . 

Source. #7788, eff 10-31-02 

Env-A 807.03 Testing for Opaci1y from Small Boilers and Emergency Generators. 

(a) The owner or operator of a small boiler or an emergency generator subject to Env-A 1211 .03(b), 

Env-A 1211 .04(b), Env-A 1211 .05(b), Env-A 1211 .11(c), or Env-A 1211 .11(d) shall measure opacity by 

following one of the 2 procedures identified in (b) and (c) below. 

(b) The owner or operator shall make visual determinations of opacity : 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(1) As specified in 40 CFR 60, Appendix A, Method 9, Visual Determination of the Opacity of 

Emissions from Stationary Sources; and 

(2) For a period of at least 18 minutes during normal operation of the device. 

(c) The owner or operator shall conduct opacity monitor testing as follows: 

(1) A portable or permanently installed single or double pass opacity monitor shall be used; 

(2) Measurements shall be taken over an 18-minute period during normal operation of the device; 

(3) A minimum of one opacity measurement shall be taken every 15 seconds ; 

(4) The measurements identified in (2) and . (3) above, shall be documented with times and 

averaged over the period of measurement ; 

(5) Opacity, expressed in terms of percentage, shall be deternlined as follows : 

a. "1 exit" means the pathlength through the emission plume at the stack outlet; 

b. "1 monitor" means the pathlength through the emission plume at the monitor location, but 

if the monitor is a double pass unit, it means twice the pathlength through the emission 

plume; 

c. "Opacity, monitor" means the opacity as measured by the opacity monitor; and 

d. The opacity at the stack exit shall be calculated by subtracting from 1 the quantity of 1 

minus the opacity measured by the monitor, divided by 100, that quantity raised to the 

power of 1 exit divided by 1 monitor, the entire quantity multiplied by 100, as in the 

following equation: 

Opacity =100x 1- 

rexu 11 

Opacity, monitor 

\ 

Ilmonilor I I 

1 - I

100 

(6) Prior to the measurement period for single pass opacity monitors, a zero and span calibration 

shall be performed as follows: 

a. The manufacturer's recommended procedures under "zero" stack conditions shall be 

followed; 

b. If a "zero" stack condition cannot be created, the opacity monitor shall be mounted 

outside the stack at the same path length as that when mounted on the stack for the 

calibration ; 

c. A zero filter at 0% opacity, and a span filter, between 20% - and 40% opacity, which 

have been certified, shall be used; and 

d. All calibrations shall be documented; and 

(7) Prior to the measurement period for double pass monitors, a zero and span calibration shall 

be performed as follows: 

a. The manufacturer's recommended procedures shall be followed with the monitor in 

place; 

28 Env-A 800 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

b . A zero filter at 0% opacity, and a span filter, between 20% - and 40% opacity, which 

have been certified, shall be used; 

c. Following the measurements taken, a second calibration check shall be performed; 

d. If the difference between the first calibration and the second calibration exceeds 5% 

opacity, the opacity measurement shall be repeated; and 

e . All calibrations shall be documented . 

Source. #7788, eff 10-31-02 

Env-A 807.04 Testing Requirements for Diesel Engines in Motor Vehicles. The owner or operator of 

a diesel engine in a motor vehicle shall determine compliance with Env-A 1101 .03 by following the Society 

of Automotive Engineers (SAE) snap-acceleration smoke test procedure J1667, published in 1996. 

Source . #7788, eff 10-31-02 

Env-A 807 .05 Determination of Opacity of Fugitive Emissions . The owner or operator shall conduct 

measurements of the amount of time that any visible fugitive emissions occur during an observation period by 

following 40 CFR 60, Appendix A, Method 22 - Visual Determination of Fugitive Emissions from Material 

Sources and Smoke Emissions from Flares. 

Source. #7788, eff 10-31-02 

PART Env-A 808 CONTINUOUS EMISSION MONITORING 

Env-A 808.01 Definitions. For the purposes of this part, the following definitions shall apply : 

(a) "Calendar hour" means any 60-minute period commencing on the hour; 

(b) "Facility operating hour" means, for purposes of calculating data availability pursuant to Env-A 

808 .10, 42 minutes of facility operation during a calendar hour; 

(c) "Facility operation" means one of the following : 

(1) For a steam generating unit that is required by this part to have a continuous emission 

monitoring (CEM) system installed, a time period during which any fuel is being coirnbusted in 

the device ; or 

(2) For any other facility that is required by this part to have a CEM system installed, a time 

period during which any material is being processed which contributes to the emissions 

monitored by the CEM system; 

(d) "Gaseous excess emission" means : 

(1) A CEM system measurement of any of the gases listed in Env-A 808 .01(e), above the 

emission limit specified in any applicable state or federal standard, based on the averaging time 

specified in that standard ; 

(2) A CEM system measurement of any of the gases listed in Env-A 808 .01(e), above the 

emission limit specified in any facility permit issued by the division, based on the averaging time 

specified in the permit; or 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(3) If neither (1) or (2), above, is applicable, a CEM system measurement of any of the gases 

listed in Env-A 808.01(e), above any emission limit to which the facility is subject, averaged 

over a 24-hour period; 

(e) "Gaseous measuring CEM system" means a CEM system that measures concentrations of 

ammonia (NH3), carbon monoxide (CO), sulfur dioxide (SOz), NO, total reduced sulfur (TRS), hydrogen 

chloride (HCl), diluent gas, such as oxygen (OZ) or carbon dioxide (COZ), or VOC; 

(f) "Opacity excess emission" means any consecutive 6-minute or 60-minute period, or aggregate 60-

minute period of opacity measurement, averaged in accordance with Env-A 808 .03 (b), which exceeds any 

standards for visible emissions specified in Env-A 1900 through Env-A 2900, excluding any exempted 

periods specified in Env-A 2000; 

(g) "Out of control period" means: 

(1) For a CEM system measuring gaseous emissions : 

a. The time period beginning with the completion of the daily calibration drift check where 

the calibration drift (CD), as calculated pursuant to 40 CFR 60.13(d)(1), has exceeded twice 

the allowable limit for 5 consecutive days and ending with the CD check following 

corrective action that results in the CD being within the allowable CD limit; 

b . The time period beginning with the completion of a daily CD check preceding the daily 

CD check that results in the CD being greater than 4 times the allowable limit and ending 

with the CD check following corrective action that results in the CD being within the 

allowable CD limit; or 

c. The time period beginning with the completion of a relative accuracy test audit (RATA), 

cylinder gas audit (CGA), or relative accuracy audit (RAA) as defined in 40 CFR 60, 

Appendix F, where the CEM system fails the accuracy criteria established and ending with 

successful completion of the same audit where the CEM system meets the accuracy criteria 

established after corrective action has occurred; and 

(2) For a CEM system measuring opacity : 

a. The time period beginning with the completion of the daily calibration drift check where 

the CD exceeds 2% opacity for 5 consecutive days, and ending with the CD check after 

corrective action has occurred that results in the performance specification drift limits being 

met; 

b . The time period beginning with the completion of a daily CD check preceding the daily 

CD check that results in the CD being greater than 5% opacity and ending with the CD 

check after corrective action has occurred that results in the performance specification drift 

limits being met; or 

c. The time period beginning with the completion of a quarterly opacity audit where the 

CEM system fails the calibration error test as specified in 40 CFR 60, Appendix B, 

Specification 1 and ending with successful completion of the same audit where the CEM 

system passes the calibration error test established after corrective action has occurred; 

(h) "Time-shared system" means a gaseous CEM system that measures the pollutant concentration of 

more than one gas stream ; and . 

(i) "Valid hour of CEM emission data" means one of the following : 

30 Env-A 800 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(1) A minimum of 42 minutes of CEM readings taken in any calendar hour, during which time 

the CEM is not in an out of control period as defined in Env-A 808 .01(g), and the facility on 

which the CEM is installed is in operation; or 

(2) For time-shared systems, 75% collection of gaseous CEM concentration readings of the total 

sampling time available for each emission point being monitored for those periods of time the 

CEM is not in an out of control period as defined by Env-A 808.01(g), and the facility on which 

the CEM is installed is in operation. 

Source . (See Revision Note at chapter heading for Env-A 

800) #5505 eff 11-15-92 ; renumbered by #6057-B (formerly 

Env-A 807), EXPIRED: 11-15-98 

New. #6893, INTERIM, eff 11-26-98, EXPIRED: 3-26-99 

New. #7788, eff 10-31-02 

Env-A 808 .02 Applicability . 

(a) The owner or operator of a stationary source shall install, operate, maintain, and perfornrn quality 

assurance testing of a CEM system meeting all of the requirements specified in this part for a stationary 

source if any of the following conditions exists : 

(1) A source is subject to the New Source Performance Standards, 40 CFR 60, National 

Emission Standards for Hazardous Air Pollutants, 40 CFR 61 or 40 CFR 63, or Continuous 

Emission Monitoring, 40 CFR 75, which requires the source to comply with a specified opacity 

or emission limit and to install a specified CEM system; 

(2) The owner or operator of a source chooses to limit its potential to emit by accepting federally 

enforceable permit conditions that restrict its hours of operation, the type or amount of material 

combusted, stored, or processed, or its level of production, and continuous emission monitoring 

is determined by the division to be necessary to ensure that these permit conditions are not 

violated ; 

(3) A source uses air pollution control equipment in order to maintain compliance with an 

opacity or emission limit, and continuous emission monitoring is determined by the division to 

be necessary in order to ensure that this limit is not exceeded and that the control equipment is 

performing correctly ; 

(4) Documented and repeated violation of any of the applicable opacity or emission limits 

specified in other provisions of Env-A 300 et seq., has occurred and the installation of a CEM 

system is feasible ; 

(5) Documented and repeated violation of any of the National Ambient Air Quality Standards 

(NAAQS) specified in Env-A 300 has occurred, the source is determined by the division to be a 

major contributor to the violation, and the installation of a CEM system is feasible; or 

(6) By following the procedures specified in 40 CFR 51, Appendix W, the division determines 

that a source's emissions have a significant impact on air quality and continuous monitoring of 

emissions with a CEM system is necessary to ensure that the ambient air quality standards are 

achieved and maintained. 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(b) A stationary source subject to the continuous emission monitoring requirements specified in 40 

CFR 51, Appendix P, as amended at 51 FR 40675, November 7, 1986, shall install, calibrate, operate, and 

maintain a CEM system in accordance with all requirements set forth and referenced therein . 

(c) A facility subject to both this part and the emission monitoring requirements of Env-A 3200 shall 

comply with: 

(1) The NOx monitoring requirements as described in Env-A 3200; 

(2) The minimum percentage data availability requirements as described in Env-A 808.10(a) -

(d); and 

(3) The data reporting requirements as described in Env-A 808 .12 or Env-A 808.13, as 

applicable. 

Source . #7788, eff 10-31-02 

Env-A 808.03 Minimum Specifications for CEM Systems . A CEM system installed after August 31, 

1989, shall meet the following minimum specifications : 

(a) A CEM system for measuring gaseous emissions shall average and record the data for each 

calendar hour; 

(b) A CEM system for measuring opacity emissions shall: 

(1) Average the opacity data to result in consecutive, non-overlapping 6-minute averages ; and 

(2) If subject to the exemption of Env-A 2003 .04(b), total the number of minutes in any 8-hour 

period where the opacity, as averaged in non-overlapping 6-minute periods, exceeds the 

applicable opacity standard; 

(c) All CEM systems, opacity and gaseous measuring included, shall; 

(1) Include a means to display instantaneous values of percent opacity and gaseous emission 

concentrations ; and 

(2) Complete a minimum of one cycle of operation, which shall include measurement, 

analyzing, and data recording for each successive 5-minute period for systems measuring 

gaseous emissions and each 10-second period for systems measuring opacity, unless a longer 

time period is approved in accordance with Env-A 809; 

(d) A stack volumetric flow measuring device required to be installed after January 1, 1992, shall meet 

the following requirements : 

(1) All differential pressure flow monitors shall have an automatic blow-back purge system 

installed and, in wet stack conditions, shall have the capability for drainage of the sensing lines; 

and 

(2) The stack flow monitoring system shall have the capability for manual calibration of the 

transducer while the system is on-line and for a zero check; and 

(e) Alternatives to in-stack flow monitoring devices for determination of stack volumetric flow rate 

may be used if the owner or operator provides the division with technical justification that the alternative can 

meet the same requirements for data availability, data accuracy, and quality assurance as an in-stack device. 

Source. #7788, eff 10-31-02 

32 Env-A 800 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

Env-A 808.04 CEM Monitoring Plan. 

(a) An owner or operator of a source subject to the requirements of this part and required to install, 

operate, and maintain a CEM system shall submit to the division, at least 90 days prior to the installation of 

the CEM system, a CEM monitoring plan describing the system. 

(b) Upon receipt of the CEM monitoring plan, the division shall : 

(1) Review the plan for compliance with all the elements described in this section ; 

(2) Determine whether the CEM meets all the requirements of this part; and 

(3) Issue its decision within 30 days. 

(c) The monitoring plan shall provide the following : 

(1) A complete description of the emission monitoring system including, but not limited to : 

a. The identity of the CEM system vendor, including the company name, address, and 

telephone number; . 

b. The identity of the manufacturer, model number, measurement method employed, and 

range of each of the major components or analyzers being used; 

c . A description of the sample gas conditioning system; 

d. A description and diagram showing the location of the monitoring system, including 

sampling probes, sample lines, conditioning system, analyzers, and data acquisition system; 

and 

e. A description of the data acquisition system, including sampling frequency, and data 

averaging methods; 

(2) The mathematical equations used by the data acquisition system, including the value and 

derivation of any constants, to calculate the emissions in terms of the applicable emission 

standards; 

(3) An example of the data reporting format ; 

(4) A description. of the instrument calibration methods, including the frequency of calibration 

checks and manual calibrations, and path of the sample gas through the system; 

(5) The means used by the data acquisition system of determining and reporting periods of 

excess emissions, monitor downtime, and out-of-control periods ; and 

(6) A description of the means used to provide for short-term and long-term emissions data 

storage . 

Source. #7788, eff 10-31-02 

Env-A 808.05 Performance Specification Testing. The owner or operator of a facility shall conduct 

performance specification testing for a CEM system installed after August 31, 1989, in accordance with the 

following: 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(a) For a CEM system monitoring opacity or gaseous emissions, the performance specification 

requirements of 40 CFR 60, Appendix B, shall apply; 

(b) For an opacity monitoring system, the calibration error test specified in 40 CFR 60, Appendix B, 

Performance Specification 1, paragraph 7.1 .4, shall be performed with the monitor installed on the stack or 

duct that is to be the permanent location for the monitor; 

(c) All performance specification testing shall be conducted within 180 days of the CEM equipment 

initial startup ; 

(d) The division shall be notified of the date or dates of the performance specification testing at least 

30 days prior to the scheduled dates; and 

(e) A written report summarizing the results of the testing shall be submitted to the division within 30 

days of the completion of the test. 

Source. #7788, eff 10-31-02 

Env-A 808.06 Quality Assurance/Quality Control Plan Requirements. 

(a) The owner or operator of a source required by this part to install, operate, and maintain an opacity 

or gaseous CEM system shall : 

(1) Prepare a quality assurance/quality control (QA/QC) plan, which shall contain written 

procedures for implementation of its QA/QC program for each CEM system ; 

(2) File the QA/QC plan with the division no later than the time specified in Env-A 808.05(e) 

after the initial startup of each CEM system; 

(3) Review the QA/QC plan and all data generated by its implementation at least once each year; 

(4) Revise or update the QA/QC plan, as necessary, based on the results of the annual review, 

by: 

a. Documenting any changes made to the CEM or changes to any information provided in 

the monitoring plan; 

b . Including a schedule of, and describing, all maintenance activities that are required by 

the CEM manufacturer or that might have an effect on the operation of the system; 

c. Describing how the audits and testing required by this part will be performed; and 

d. Including examples of the reports that will be used to document the audits and tests 

required by this part; . 

(5) Make the revised QA/QC plan available for on-site review by the division at any time ; and 

(6) Within 30 days of completion of the annual QA/QC plan review, certify in writing that the 

owner or operator will continue to implement the source's existing QA/QC plan or submit in 

writing any changes to the plan and the reasons for each change; 

(b) The division shall request revision of the QA/QC plan if the results of emission report reviews, 

inspections, audits, review of the QA/QC plan, or any other information available to the division show that 

the plan does not meet the criteria specified in 40 CFR 60, Appendix F, Procedure 1, section 3 ; and 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(c) The QA/QC plan shall be considered an update to the CEM monitoring plan required by Env-A 

808.04 . 

Source. #7788, eff 10-31-02 

Env-A 808 .07 General Audit Requirements for All CEM Systems . 

(a) Required quarterly audits shall be done anytime during each calendar quarter, but successive 

quarterly audits shall occur no more than 4 months apart. 

(b) Within 30 calendar days following the end of each quarter, the owner or operator of the source 

shall submit to the division a written summary report of the results of all required audits that were performed 

in that quarter, in accordance with the following: 

(1) For gaseous CEM audits, the report format shall conform to that presented in 40 CFR 60, 

Appendix F, Procedure 1, section 7 ; and 

(2) For opacity CEM audits, the report format shall conform to that presented in EPA-600/8-87-

025, April 1992, "Technical Assistance Document: Performance Audit Procedures for Opacity 

Monitors". 

(c) The owner or operator of a source shall notify the division at least 30 days prior to the performance 

of a RATA. 

(d) The division shall require the rescheduling of any RATA if the staff necessary to observe the audit 

are not available . 

(e) The owner or operator of a source shall provide at least 2 weeks' notice prior to any other planned 

audit or test procedure . 

Source. #7788, eff 10-31-02 

Env-A 808.08 Audit Requirements for Gaseous CEM Systems . 

(a) For a system monitoring gaseous emissions of SO2, NO,,, CO, TRS, HZS, VOC, 02 or CO,, the 

quality assurance requirements and procedures described in 40 CFR 60, Appendix F, shall apply, with the 

following additions and clarifications for Procedure 1 of Appendix F: 

(1) The owner or operator shall inform the division of all out of control periods, as defined in 

Appendix F, section 4.3, and Env-A 808 .01(g), in the emission reports required pursuant to EnvA 808 .11 ; 

(2) The owner or operator may perform a RAA, as defined in 40 CFR 60, Appendix F, in place 

of a CGA; and 

(3) For CEM systems where CGA audits cannot be performed, the owner or operator shall 

perform RAA audits in place of the CGA; 

(b) The owner or operator of a CEM system that monitors gaseous emissions other than SOz, NO,, 

CO, TRS, HZS, VOC, Oz or COz shall: 

(1) Request in writing pursuant to Env-A 809 division approval of proposed audit procedures; 

(2) Demonstrate that such procedures are consistent with those presented in 40 CFR 60, 

Appendix B and Appendix F; and 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(3) Upon receiving approval by the director of the proposed audit procedures pursuant to Env-A 

809, implement such procedures . 

(c) For a time-shared gaseous CEM system, the owner or operator shall perform the following audits: 

(1) An annual RATA to check the analyzer at any sampling point; and 

(2) CGAs or RAAs at all sampling points for each of the remaining 3 quarterly audits . 

(d) The owner or operator of a stationary source determining compliance with a mass flow emissions 

limit by using a stack flow volumetric monitor or a fuel flow meter with 02/CO2 measurements to calculate 

heat input or stack flow rate, shall conduct annually a minimum 9-run RATA with the relative accuracy 

calculated in the units of the mass emissions measurement as specified in 40 CFR 60, Appendices B and F. 

(e) In lieu of (d) above, the owner or operator of a stationary source using a fuel flow meter that meets 

the certification requirements of 40 CFR 75, Appendix D, may conduct the annual minimum 9-run RATA, as 

specified in 40 CFR 60, Appendix B, as follows : 

(1) The RATA shall be performed on: 

a. The pollutant concentration in parts per million or pollutant pounds per million BTU; and 

b. The 02/C02 diluent percentage; and 

(2) The relative accuracy requirements shall be: 

a. As specified in 40 CFR 60, Appendix B, 40 CFR 75, or f 1 ppm for the pollutant, as 

applicable; and 

b . As specified in 40 CFR 60, Appendix B, or 40 CFR 75, as applicable, for the percentage 

02/C02 . 

(f) For a stationary source subject to (d) above, and using a stack volumetric flow monitor for the mass 

flow emissions calculation, the owner or operator of such source shall also perform one of the following audit 

options : 

(1) An audit that shall consist of: 

a. A 3-run RAA, which shall be conducted in 2 of the calendar quarters in which the RATA 

specified in (d) is not conducted: 

1 . To determine the percentage accuracy of the source's stack flowrate measurement 

method; and 

2. To compare the source's method of determining stack flowrate against the 

compliance method of measuring the stack flowrate, as follows: 

(i) A velocity traverse shall be conducted following Methods 1 and 2 of 40 CFR 

60, Appendix A; 

(ii) A calculation of average wet standard cubic feet per hour shall be measured 

for each run using a stack gas molecular weight and percent stack moisture from 

either the stack flow monitor or the most recent Methods 3 and 4 measurement 

made at the subject source; 
NEW HAMPSHIRE CODE OF ADMINISTRATNE RULES 

(iii) A leak check shall be performed after completion of the velocity traverse in 

accordance with 40 CFR 60, Appendix A, Method 2, part 3 .1 ; 

(iv) The thermocouple used for measurement of stack gas temperature shall be 

calibrated annually; 

(v) Steps (i) through (iii) shall be repeated 2 more times to result in 3 compliance 

measurements of the stack volumetric flowrate; 

(vi) A percentage accuracy calculation shall be performed as follows: 

i . "WSCFH, CEM" means the 3-run average of the wet standard cubic feet 

per hour flow rate as determined by the stack flow monitor method; 

ii . "WSCFH, M2" means the 3-run average of the wet standard cubic feet 

per hour as measured by the Method 1 and Method 2 procedures ; 

iii . To calculate the percentage accuracy of the monitor, the owner or 

operator shall calculate the difference between WSCFH, CEM and 

WSCFH, M2, divide the difference by the value of WSCFH, M2, and then 

multiply the result by 100, as in the formula below: 

% Accuracy = ((WSCFH,CEIV1- WSCFH,M2)/(WSCFH,M2)) x 100 

(vii) The absolute value of percentage accuracy shall be less than or equal to 

10 .0% for the monitor to pass the audit; and 

(viii) If the percentage accuracy exceeds 10 .0%, the monitor shall be considered 

"out of control" until necessary repairs/adjustments are performed to the system 

and the monitor successfully passes the percentage accuracy requirements, as 

determined by a repeat audit; and 

b . In the remaining quarter in which the RATA specified in (d) and the RAA are not 

performed, a calibration of the transmitter or transducer, as applicable, of the stack flowrate 

or fuel flow monitor following the manufacturer's recommended calibration procedure ; or 

(2) An audit, to be performed in each calendar quarter in which the RATA specified in (d) is not 

conducted, which shall consist of: 

a. A flow monitor differential-pressure sensing lines' leak check for low and high-pressure 

sides; 

b. A stack flow probe inspection, including removal and cleaning of the probe as necessary ; 

c . A differential pressure transmitter/transducer calibration following the manufacturer's 

recommended calibration procedure ; and 

d . A continuous flow-to-load-ratio or gross heat rate evaluation in accordance with 40 CFR 

75, Appendix B . 

(g) The owner or operator of a stationary source subject to (d) above, and using a fuel flow monitor for 

the mass flow emissions calculation, shall also perform one of the following audit options : 

(1) The quality assurance activities on the fuel flow monitor as specified in 40 CFR 75, 

Appendix D; or 

37 Env-A 800 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(2) The audit specified in (f)(1) above . 

Source. #7788, eff 10-31-02 

Env-A 808 .09 Audit Requirements for Opacity CEM Systems. 

(a) The owner or operator of an opacity CEM system required to meet the criteria of 40 CFR 60, 

Appendix B, Specification 1, shall : 

(1) Perform quarterly audits with the monitor installed in its measurement location for the 

Calibration Error Test, in accordance with 40 CFR 60, Appendix B, Specification 1, section 

7.1 .4, and for the System Response Test, in accordance with 40 CFR 60, Appendix B, 

Specification 1, section 7.1 .5 ; 

(2) Use a minimum of 3 calibration attenuators, low, mid, and high, in the audits as specified in 

40 CFR 60, Appendix B, Specification 1, section 7.1 .2 . ; 

(3) Check the values of the calibration attenuators used in the above audits at least once every 6 

months with one of the following : 

a. A spectrophotometer meeting the specifications of 40 CFR 60, Appendix B, 

Specification l, section 3 .4 ; or 

b. A secondary instrument as defined and described in 40 CFR 60, Appendix B, 

Specification 1, section 7 .1 .3 . ; 

(4) If the measured value of the calibration attenuator differs from the calibrated value by more 

than + 2% opacity, recalibrate or replace the calibration attenuator until the measured value does 

not differ from the calibrated value by more than + 2% opacity ; and 

(5) Perform and report an annual 7-day length zero/upscale drift test, as defined in 40 CFR 60, 

Appendix B, Specification 1, sections 7 .4 .1 and 7 .4 .2, to the division following the procedures 

set forth therein . 

(b) For a source with an opacity CEM system that is not subject to any subpart of 40 CFR 60, the 

owner or operator shall conduct quarterly audits as specified in (a) above, except that the selected span value, 

used for the selection of the attenuation values, shall be 40% opacity for those devices subject to a 20% 

opacity standard and 60% opacity for those devices subject to a 40% opacity standard. 

(c) If written documentation is submitted to the division showing stability of the attenuator values, the 

division shall reduce the frequency of the attenuators check to once per year. 

Source. #7788, eff 10-31-02 

Env-A 808 .10 Data Availability Requirements. 

(a) The owner or operator of a source with a CEM shall operate the CEM at all times during operation 

of the source, except for periods of CEM breakdown, repairs, calibration checks, preventive maintenance, and 

zero/span adjustments . 

(b) The percentage CEM data availability for opacity and all gaseous concentration monitors shall be 

maintained at a minimum of 90% on a calendar quarter basis. 

(c) The percentage CEM data availability for opacity and all gaseous concentration monitors shall be 

maintained at a minimum of 75% for any calendar month. 

38 Env-A 800 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(d) The percentage CEM data availability shall be calculated as follows: 

(1) "VH" means the number of valid hours of CEM data in a given time period for which the 

data availability is being calculated when the plant is in operation; 

(2) "OH" means the number of facility operating hours during a given time period for which the 

data availability is being calculated; 

(3) "AU" means the number of hours during facility operation when the performance of 

quarterly audits as required by those procedures specified in Env-A 808.08 or Env-A 808 .09, as 

applicable, require that the CEM be taken out of service in order to conduct the audit; 

(4) "Ca1DT" means the number of hours, not to exceed one hour per day, during facility 

operation when the CEM is not operating due to the performance of the daily CEM calibrations 

as required in 40 CFR 60, Appendix F or 40 CFR 75, Appendix B, section 2 .1 . ; and 

100, and divide the result by the difference between OH and AH, as m the formula below: 

(5) To calculate the percentage CEM data availability, multiply the sum of VH and Ca1DT by 

PercentageDataAvailability = 

(VH + CalDT)x100 

(OH - AH) 

(e) If the percentage data availability requirements cannot be met for any calendar quarter, the owner 

or operator of the source shall: 

(1) Submit a plan to the division within 30 days of the end of the quarter of failure to meet the 

data availability requirements specifying in detail the steps to be taken in order to meet the 

availability requirements for the current quarter and future quarters ; and 

(2) Implement the plan to meet the data availability requirements no later than 30 days after the 

end of the quarter of failure. 

(f) If the percentage data availability requirements cannot be met for any 2 consecutive calendar 

quarters, the owner or operator of the source shall : 

(1) Install a replacement CEM system meeting all of the requirements of 40 CFR 60, Appendix 

B, Specifications 1-6 in accordance with the following deadlines: 

a. The replacement CEM system shall be installed and operational no later than 180 days 

following the end of the second quarter of failure to meet the data availability requirements ; 

and 

b. Certification testing of the replacement CEM system shall be initiated no later than 210 

days following the end of the second quarter of failure to meet the data availability 

requirements ; and 

(2) During the period of time from the end of the second quarter of failure to meet the data 

availability requirements until the successful certification testing completion of the replacement 

CEM system : 

a. Maintain the quality of data obtained from the currently operating CEM and maximize 

data availability of the CEM; or 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

b. Replace the existing CEM with a temporary alternative that shall monitor the compliance 

status of the emission point of concern. 

(g) Alternatives to the replacement of the entire CEM system as required by paragraph (f) above, shall be allowed provided that the facility can provide the division with technical justification that the alternative 

will ensure that the 90% data availability requirement shall be met on a consistent basis . 

Source. #7788, eff 10-31-02 

Env-A 808.11 Quarterly Emission Reports. Within 30 days of the end of each calendar quarter, an 

owner or operator of a source with a gaseous or opacity measuring CEM system shall submit an emission 

report to the division. 

Source. #7788, eff 10-31-02 

Env-A 808.12 Emission Reports for Sources Subject to 40 CFR 60. The owner or operator of a source subject to 40 CFR 60 which is required to install, calibrate, operate, and maintain a CEM system, shall 

provide the following in each quarterly emission report specified in Env-A 808 .11 : 

(a) The information specified in 40 CFR 60 .7(c) and any applicable subpart of 40 CFR 60 ; 

(b) The daily averages of gaseous CEM measurements and calculated emission rates; and 

(c) The information required in Env-A 808 .13(a)(5) through (9) below. 

Source . #7788, eff 10-31-02 

Env-A 808 .13 Emission Reports for Sources Not Sublect to 40 CFR 60. 

(a) The owner or operator of a source not subject to 40 CFR 60 which is required to install, calibrate, 

operate, and maintain a CEM system, shall provide the following in each quarterly emission report specified in Env-A 808.11 : 

(1) Excess emission data recorded by the CEM system, including: 

a. The date and time of the beginning and ending of each period of excess emission; 

b. The magnitude of each excess emission; 

c. The specific cause of the excess emission; and 

d. The corrective action taken; 

(2) If no excess emissions have occurred, a statement to that effect; 

(3) For gaseous measuring CEM systems, the daily averages of the measurements made and 

emission rates calculated; 

(4) A statement as to whether the CEM system was inoperative, repaired, or adjusted during the 

reporting period; 

(5) If the CEM system was inoperative, repaired, or adjusted during the reporting period, the 

following information : 

a. The date and time of the beginning and ending of each period when the CEM was 

inoperative ; 

40 Env-A 800 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

b. The reason why the CEM was not operating; 

c . The corrective action taken ; and 

d. The percent data availability calculated in accordance with Env-A 808 .10 for each flow, 

diluent, or polluant analyzer in the CEM system ; 

(6) For all "out of control periods" as defined in Env-A 808 .01(g) and 40 CFR 60, Appendix F, 

the following information : 

a. The times beginning and ending the out of control period ; 

b . The reason for the out of control period; and 

c. The corrective action taken; 

(7) The date and time beginning and ending each period when the source of emissions which the 

CEM system is rrionitoring was not operating; 

(8) The span value, as defined in Env-A 101 .176, of each analyzer in the CEM system and units 

of measurement for each instrument; and 

(9) When calibration gas is used, the following information : 

a. The calibration gas concentration ; 

b. If a gas bottle was changed during the quarter : 

1 . The date of the calibration gas bottle change; 

2 . The gas bottle concentration before the change; and 

3 . The gas bottle concentration after the change; and 

c . The expiration date for all calibration gas bottles used. 

(b) If daily averages as specified in (a)(3) above, are not feasible, the owner or operator shall submit to 

the division a written request containing the following information : 

(1) The proposed alternative time period; 

(2) Averages based on that alternative time period; and 

(3) Documentation showing why daily averages are not feasible. 

(c) If the request identified in (b) above, clearly states the alternative time period and provides 

documentation showing why daily averages are not feasible, the division shall approve an alternative time 

period. 

Source . #7788, eff 10-31-02 

Env-A 808 .14 Valid Averaging Periods . The number of hours of valid CEM data required for 

determining a valid averaging period for the different emission standard periods shall be: 

(a) For a 3-hr emission stdndard period, 2 hours of valid data; 

(b) For a 4-hr standard emission standard period, 3 hours of valid data; 

41 Env-A 800 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

following: 

(a) Compliance determinations ; 

(b) Air quality impact analysis ; 

(c) Air pollution dispersion modeling; 

(d) Control technology review; and 

(e) Emissions inventory. 

Source. #7788, eff 10-31-02 

PART Env-A 809 APPROVAL OF ALTERNATE METHODS 

Env-A 809 .01 Approval of Alternate Methods or Requirements. For any testing or monitoring 

procedure that is an alternative to a method or requirement specified by these rules, the following procedure 

shall, apply: 

(a) The owner or operator of a source seeking approval of an alternative shall submit to the director 

the following information : 

(1) A description of the proposed alternate method or requirement ; 

(2) The identity of the compound that is to be tested or controlled or the equipment that is to be 

maintained by the alternate method or requirement ; 

(3) The identity and description of the source at which the alternate method or requirement will 

be implemented ; and 

(4) Technical data and information demonstrating that the purpose of the specified method or 

requirement will be achieved by the alternate method or requirement and that the alternative 

produces results that are no less precise and accurate than those produced by the specified 

method or requirement ; and 

(b) Within 60 days of receipt of a complete application that meets the requirements of (a) above, the 

director shall : 

(1) Review the application; 

(2) Issue a written decision : 

a. Approving the application if the department determines that the alternate method or 

requirement: 

(c) For a 8-hr standard emission standard period, 6 hours of valid data; 

(d) For a 12-hr standard emission standard period, 9 hours of valid data; and 

(e) For a 24-hr standard emission standard period, 18 hours of valid data. 

Source. #7788, eff 10-31-02 

Env-A 808 .15 Use of CEM Data. The division shall use CEM data either directly or indirectly for the 

1 . Achieves the purpose of the specified method or requirement; and 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

2. Produces results that are no less precise and accurate than those produced by the 

specified method or requirement ; or 

b . Denying the application and specifying the reason(s) for the denial ; and 

(3) Notify the applicant and EPA of the decision . 

Source. #6519-B, eff 5-29-97; ss by #7788, eff 10-31-02 

Env-A 809.02 Alternate Methods for Federal Standards. Alternate test methods for compliance with 

federal standards, such as those specified in 40 CFR 60, 61, and 63, shall be submitted by the owner or 

operator of the source to EPA for approval. 

Source. #6519-B, eff 5-29-97; ss by #7788, eff 10-31-02 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

APPENDIX 

Rule Specific Section of State or Federal Statute or Regulation which 

the Rule Is Intended to Implement 

Env-A 801 RSA 125-C:6, XI & XII 

Env-A 802 RSA 125-C :6, XI 

Env-A 803 & 804 

Env-A 805 & 806 

RSA 125-C :6, XI; 42 U.S .C. Section 7410 & 7502(c) 

RSA 125-C:6, XI 

Env-A 807 RSA 125-C:6, XI & XII 

Env-A 808 

Env-A 809 

RSA 125-C :6, XI; 40 CFR 51 Appendix P, 60, 61, 63 & 75 

RSA 125-C :6, XI & XII 

NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

PART Env-A 1209 - RESERVED 

Source. #120, as in eff 8-31-73 ; ss by #459; ss by #721 .8, eff 

12-7-75 ; ss by #1717, eff 2-19-81 ; ss by #2332, eff 4-29-83 ; ss 

by #2938, eff 12-27-84; ss by #5033, eff 12-27-90; EXPIRED 

12-27-96 

PART Env-A 1210 - RESERVED 

Source . #120, as in eff 8-31-73 ; ss by #462; ss by #721 .13, 

eff 12-7-75 ; ss by #1717, eff 2-19-81 ; ss by #2332, eff 4-29-

83; ss by #2938, eff 12-27-84; ss by #5033, eff 12-27-90 ; 

EXPIRED 12-27-96 

PART Env-A 1211 NITROGEN OXIDES (NOx) 

Env-A 1211 .01 Applicability . 

(a) The requirements in Env-A 1211, as effective on October 31, 2002, shall not relieve any source 

that was subject to Env-A 1211, as effective on May 20, 1994, from its obligation to have been in compliance 

with applicable rules in the previously effective part. 

(b) Utility boiler(s) shall be subject to the requirements of Env-A 1211 .03 if the combined maximum 

heat input rate of such boiler(s) exceeds 50,000,000 Btu per hour at any time after December 31, 1989. 

(c) Steam electric boiler(s) shall be subject to the requirements of Env-A 1211 .04 if the combined 

maximum heat input rate of such boiler(s) exceeds 50,000,000 Btu per hour at any time after December 31, 

1989 . 

(d) Industrial boiler(s) shall be subject to the requirements of Env-A 1211 .05 if the combined 

maximum heat input rate of such boiler(s) exceeds 50,000,000 Btu per hour at any time after December 31, 

1989 . 

(e) Stationary combustion turbine(s), except for combustion turbines mounted on aircraft and 

combustion turbines operating as load shaving units or emergency generators, shall be subject to the 

requirements of Env-A 1211 .06 if the combined maximum heat input rate of such turbine(s) exceeds 

25,000,000 Btu per hour at any time after December 31, 1989. 

(f) Stationary internal combustion engine(s), except for stationary internal combustion engines 

operating as load shaving units or emergency generators, shall be subject to the requirements of Env-A 

1211 .07 if the combined maximum heat input rate of such engine(s) exceeds 4,500,000 Btu per hour at any 

time after December 31, 1989 . 

(g) Asphalt plant dryer(s) shall be subject to the requirements of Env-A 1211 .08 if the combined 

maximum heat input rate of such dryer(s) exceeds 26,200,000 Btu per hour at any time after December 31, 

1989 . 

(h) Incinerator(s), except for incinerators combusting sewage sludge, shall be subject to the 

requirements of Env-A 1211 .09 if the combined processing capacity of such incinerator(s) exceeds 85 tons 

per day or more of waste at any time after December 31, 1989. 

(i) Wallboard dryer(s), calcining mill(s), calciner(s), and gypsum rock dryer(s) shall be subject to the 

requirements of Env-A 1211 .10 if the combined theoretical potential emissions of such wallboard dryer(s), 

57 Env-A 1200 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

calcining mill(s), calciner(s), and gypsum rock dryer(s) equal or exceed 50 tons per calendar year of NOx at 

any time after December 31, 1989. 

(j) If the combined theoretical potential emissions from all devices and processes located at a 

stationary source exceed 50 tons per calendar year of NOx at any time after December 31, 1989, all stationary 

internal combustion engines or combustion turbines used as emergency generators at that source shall be 

subject to the requirements of Env-A 1211 .11 unless: 

(1) All such emergency generators are limited to less than 500 hours of operation during any 

consecutive 12-month period; and 

(2) The combined theoretical potential emissions of NOx from all such generators are limited to 

less than 25 tons for any consecutive 12-month period by permit conditions. 

(k) Auxiliary boiler(s) shall be subject to the requirements of Env-A 1~211 .12 if the combined 

theoretical potential emissions from all devices and processes located at the stationary source exceed 50 tons 

per calendar year of NOx at any time after December 31, 1989. 

(1) Load shaving unit(s) shall be subject to the requirements of Env-A 1211 .13 if the combined 

theoretical potential emissions from all devices and processes located at the stationary source exceed 50 tons 

per calendar year of NOx at any time after December 31, 1989 . 

(m) Any miscellaneous stationary source at a stationary source having combined theoretical potential 

emissions from all devices and/or processes which equal or exceed 50 tons per calendar year of NOx at any 

time after December 31, 1989 shall be subject to the requirements of Env-A 1211 .14, except for NOxemitting devices that have implemented Best Available Control Technology (BACT) for NOx, or Lowest 

Achievable Emission Rate (LAER) for NOx at any time after December 31, 1989 pursuant to a federally 

enforceable permit. Any device or group of devices . at a stationary source which meet the applicability 

criteria of (b) through (1), above, shall be subject to the requirements of the applicable sections. 

(n) Any stationary source having combined theoretical potential emissions of 50 tons or more of NOx 

during any consecutive 12-month period but whose actual NOx emissions have not equaled or exceeded 50 

tons during any consecutive 12-month period since January 1, 1989, shall be subject to the requirements of 

this part, unless the following requirements are met: 

(1) The combined actual NOx emissions from NOx emitting devices or processes are limited to 

less than 50 tons during any consecutive 12-month period by an enforceable permit or consent 

decree; and 

(2) The source has been and remains in full compliance with the conditions of a permit issued by 

the division or by EPA, or the terms of any consent decree entered into by the division or by 

EPA, or any court order. 

(o) Once a stationary source becomes subject to the requirements of this part, the source shall remain 

subject to these requirements even if it later falls below the applicability levels specified in (b) through (m), 

above. 

58 Env-A 1200 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(p) If a stationary source fails to comply with any of the terms or conditions of a permit or consent 

decree, or court order referred to in (n), above, the source shall immediately become subject to the applicable 

requirements of this part. 

Source. #5826, eff 5-20-94; amd by #6506, eff 5-1-97 (repeal 

of former (ay) ; EXPIRED : 5-20-00 

New. #7787, eff 10-31-02 

Env-A 1211 .02 Definitions. For the purposes of this part, the following definitions shall apply: 

(a) "Actual mole ratio" means the measured number of moles of one chemical divided by the 

measured number of moles of a second chemical in the same chemical system; 

(b) "Add-on control" means a device or process used to collect, remove, convert or destroy gaseous 

NOx pollutants resulting from the combustion of fuel or waste before these pollutants are released into the 

ambient air ; 

(c) "Asphalt" means a dark-brown to black cementitious material that is solid, semi-solid or liquid in 

consistency, in which the primary constituents are bitumens which occur in nature as such or are obtained as 

residue in refining petroleum ; 

(d) "Auxiliary boiler" means a boiler operated to provide steam and house heat only when the primary 

steam or power source for a facility is not available for use. Auxiliary boiler shall not include emergency 

generators and load shaving units; 

(e) "Auxiliary fuel" means fuel, other than waste materials, used in an incinerator or resource recovery 

facility to attain temperatures sufficiently high enough to dry and ignite waste materials, to maintain ignition, 

or to drive the complete combustion of combustible solids, vapors and/or gaseous substances; 

(f) "Classifiable process or device" means any process or device that emits NOx and is included in one 

of the categories listed in Env-A 1211 .01(b) through (1), but is not subject to the requirements of Env-A 

1211 .03 through 1211 .13 because such process or device falls below the applicability threshold; 

(g) "Coal" means all solid fuels classified as anthracite, bituminous, lignite, or subbituminous 

according to the ASTM Standard Classification of Coals by Rank, ASTM D 388-99, coal refuse, and 

petroleum coke. The term includes coal-derived synthetic fuels, including but not limited to, solvent refined 

coal, gasified coal, coal-oil mixtures, and coal-water mixtures; 

(h) "Cogeneration facility" means a facility that generates steam for the purpose of supplying heat or 

energy to a manufacturing process in the host facility, and power for sale to an electric utility ; 

(i) "Coke" means a fused, cellular, porous structure that remains after free moisture and the major 

portion of the volatile materials have been distilled from bituminous coal and other carbonaceous material by 

the application of heat in the absence of air or in the presence of a limited supply of air; 

(j) "Combined cycle combustion turbine" means any stationary gas or oil-fired turbine which recovers 

heat from the turbine exhaust gases to heat water or generate steam; 

(k) "Commercial fuel" means solid, liquid, or gaseous fuel normally produced or manufactured, and 

sold for the purpose of creating useful heat or mechanical energy ; 

(1) "Cyclone firing" means a fuel-firing process using one or more horizontal cylinders to burn fuel 

under conditions of high rates of heat release, low rates of heat absorption by the cylinder walls, with 

59 Env-A 1200 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

centrifugal action imparted to the fuel particles by air entering the cylinder . The combustion gases exiting 

from the cylinders turn 90 degrees to go up through the boiler . The horizontal cylinders are attached to the 

bottom of the furnace with one or more of the cylinders arranged on one furnace wall or on 2 opposed furnace 

walls; 

(in) "Dry bottom" means the boiler has a furnace bottom temperature below the ash melting point, and 

the bottom ash is removed as a solid; 

(n) "Electric generating utility" means a utility which is regulated by the public utilities commission 

and which generates electricity for sale; 

(o) "Emergency generator" means a stationary internal combustion engine or stationary combustion 

turbine which operates as a mechanical or electrical power source only when the primary power source for a 

facility has been lost during an emergency, such as a power outage and/or during the normal maintenance and 

testing procedure as recommended by the manufacturer. Emergency generator does not include a load 

shaving unit, peaking power production unit, or a standby engine in an energy assistance program; 

(p) "Emission unit" means an individual piece of equipment from which any air pollutant is emitted to 

the ambient air, such as an individual boiler; 

(q) "Face firing" means a furnace firing design in which the burners are mounted in an array on one or 

more vertical walls, including: 

(1) Opposed firing, where the burners are mounted on 2 opposite walls; and 

(2) Single-wall firing, where the burners are mounted on only one wall; 

(r) "Fuel-bound nitrogen" means the nitrogen content, in weight fraction, of the fuel; 

(s) "Gas or gaseous fuel" means natural gas, or gaseous substances produced synthetically from coal 

or oil, or derived from the decomposition of organic matter, or derived as a by-product of a manufacturing 

process, and which can be used to create useful heat and/or mechanical energy ; 

(t) "Industrial boiler" means a steam generating unit that generates steam to supply power and/or heat 

to an industrial, institutional or commercial operation, excluding boilers used by electric utilities, small power 

producers and cogenerators to generate electricity; 

(u) "Internal combustion engine" means any engine in which power, produced by heat and/or pressure 

developed in the engine cylinder(s) by burning a mixture of air and fuel, is subsequently converted to 

mechanical work by means of one or more pistons ; 

(v) "Lean burn engine" means a stationary internal combustion engine in which the amount of 02 in 

the engine exhaust gases is 1 .0% or more, by weight, unless otherwise specified by the engine manufacturer ; 

(w) "Limited at all times" means that the NOx emissions of a source or device does not exceed the 

prescribed NOx emission limit over the averaging time specified in the applicable section of this part during 

the entire period of time that the source or device operates ; 

(x) "Load shaving unit" means a device used to generate electricity for sale or use during high electric 

demand days, including but not limited to stationary combustion turbines or stationary internal combustion 

engines; 

(y) "Low-NOx emitting process" means a process that results in NOx emission reductions which 

constitute NOx RACT as approved by the division and EPA pursuant to Env-A 1211 .18; 

60 Env-A 1200 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(z) "Manufacturing process" means any process directly related to the manufacturing of goods and/or 

supplies, both finished and intermediate, whose operations result in pollutant emissions to the ambient air 

from process or manufacturing equipment or machinery directly or through exhaust or ventilating systems, 

including elevated stacks ; 

(aa) "Maximum allowable emission rate" means the maximum amount of an air contaminant which is 

allowed to be emitted into the ambient air during a prescribed interval of time; 

(ab) "Maximum heat input rate" means the maximum steady state fuel firing rate, in Btus per hour of 

gross heat input, of fuel burning equipment as determined in the design rating of the equipment manufacturer 

and the characteristics of the fuel-burning devices ; 

(ac) "Miscellaneous stationary source" means that portion of a stationary source, as defined in Env-A 

101 .185, consisting of devices and processes that are : 

(1) Unclassifiable ; or 

(2) Classifiable; 

(ad) "Mole" means the specific amount of chemical substance in a system proportional to its number 

of molecules, calculated as the mass of the chemical divided by its molecular weight; 

(ae) "Natural gas" means: 

(1) A naturally occurring mixture of hydrocarbon and nonhydrocarbon gases found in geologic 

formations beneath the earth's surface, of which the principal constituent is methane; or 

(2) Liquid petroleum gas, as defined by the ASTM Standard Specification for Liquid Petroleum 

Gases, D1835-97; 

(af) "Normalized stoichiometric ratio (NSR)" means the actual mole ratio of urea to NOx divided by 

the theoretical stoichiometric ratio, which is 0.5 for the reaction between urea and NOx; 

(ag) "NOx control technique" means a system, design modification, or use of equipment and 

technology to reduce NOx emissions to the ambient air from NOx-emitting devices or processes, including 

combustion modifications, low-NOx burners, overfire air systems, low excess air systems, flue gas 

recirculation, natural gas reburn, burners out of service, fuel switching, selective catalytic reduction, selective 

non-catalytic reduction, or other device or procedure approved pursuant to Env-A 1211 .18 ; 

(ah) "Oxides of nitrogen (NOx)" means all oxides of nitrogen, except nitrous oxide, as measured in 

accordance with test methods specified in Env-A 800 and approved by EPA; 

(ai) "Ozone season" means the period between May 1 and September 30, inclusive ; 

(aj) "Power outage" means that normally available sources of electrical energy are unavailable due to 

circumstances beyond the control of the customer(s) of the power supplier(s) ; 

(ak) "RACT order" means a written order, providing for inventories and emission limits for NOxemitting devices or processes and RACT-compliance procedures and schedules, issued by the division to a 

miscellaneous stationary source or a stationary source seeking alternative RACT emission limits pursuant to 

Env-A 1211 .18 ; 

61 Env-A 1200 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(al) "Rated brake horsepower (bhp)" means the brake horsepower rating specified by the manufacturer 

and listed on the nameplate; 

(am) "Regenerative cycle combustion turbine" means any stationary gas or oil-fired turbine which 

recovers heat from the turbine exhaust gases to preheat inlet combustion air to the turbine ; 

(an) "Repowering" means the replacement or conversion of an existing emissions unit with a new or 

converted unit which results in lower emission rates of NOx; 

(ao) "Rich burn engine" means any stationary internal combustion engine that is not a lean burn 

engine ; 

(ap) Simple cycle combustion turbine" means any stationary gas or oil-fired turbine which does not 

recover heat from the turbine exhaust gases to preheat the inlet combustion air to the turbine, heat water or 

generate steam; 

(aq) "Shaker grate or vibrating grate means a grate that mechanically oscillates or vibrates during 

loading of solid fuel to assist in the introduction of the fuel into the combustion zone, and in removing 

accumulation of fuel particle deposits on the grate surface ; 

(ar) "Small power production facility" means a power production facility that is designed for or 

capable of operating at a capacity of less than 30 megawatts and is not a cogeneration facility ; 

(as) "Stationary combustion turbine" means any simple cycle combustion turbine, regenerative cycle 

combustion turbine, or any combustion turbine portion of a combined cycle steam/electric generating system 

that is not self-propelled, but which can be mounted on a vehicle for portability; 

(at) "Stationary grate" means a grate that is permanently affixed during normal boiler operation ; 

(au) "Stationary internal combustion engine" means any internal combustion engine that operates as a 

stationary source, but which can be mounted on a vehicle for portability ; 

(av) "Steam electric boiler" means a steam generating unit, as defined in (aw), below, that is 

constructed and operated for the purpose of supplying more than one-third of its potential electrical output to 

any utility power distribution system for sale which is located at a cogeneration or small power production 

facility; 

(aw) "Steam generating unit" means a device that combusts any fuel or byproduct/waste to produce 

steam or to heat water or any other heat transfer medium; 

(ax) "Stoker" means a furnace design that incorporates a feeding mechanism, fuel distribution and ash 

residue collection system for the purpose of introducing solid fuel into the combustion zone of the furnace by 

feeding the fuel onto a grate; 

(ay) "Tangential firing" means a boiler firing design where the burners and air nozzles are mounted in 

each corner of the furnace chamber where the vertical furnace walls meet. Both the fuel and air are directed 

from the furnace corners along a line tangential to a circle lying in a horizontal plane of the furnace ; 

(az) "Theoretical potential emissions" means the quantity of nitrogen oxides that could be emitted by 

a source, prior to the application of add-on controls, based on either of the following : 

(1) Continuous operation of 8760 hours per year at the maximum heat input rate of the source; or 

62 Env-A 1200 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(2) Hours of operation, process conditions, or both that are limited by the conditions of a 

federally enforceable permit ; 

(ba) "Traveling grate" means a grate designed to move at a constant velocity during the loading of 

solid fuel to assist in the introduction of fuel into the combustion zone; 

(bb) "Unclassifiable process or device" means any process or device that emits NOx but is not 

included in any of the categories listed in Env-A 1211 .01(b) through (1) ; 

(be) "Utility boiler" means a steam generating unit that is constructed and operated for the purpose of 

supplying more than one-third of its potential electrical output capacity to any utility power distribution 

system for sale, except for steam electric boilers, as defined in (av), above; and 

(bd) "Wet bottom" means the boiler has a furnace bottom temperature above the ash melting point and 

the bottom ash is removed as a liquid . 

Source . #5826, eff 5-20-94; amd by #6506-B, eff 5-1-97 ; ss 

by #7787, eff 10-31-02; amd by #8234, eff 12-22-04 

Env-A 1211 .03 Emission Standards for Utility Boilers . 

(a) All utility boilers meeting the applicability criteria of Env-A 1211 .01(b) shall be subject to the 

provisions of this section . 

(b) Owners or operators of utility boilers in existence on or after May 31, 1995 with heat input rates of 

at least 5,000,000 Btu per hour but less than 50,000,000 Btu per hour shall : 

(1) Before April 1 st of each year: 

a. Perform an efficiency test using the test procedures specified in chapter 3, Combustion 

Efficiency Tables, Taplin, Harry, R., Fairmont Press, 1991 ; and 

b. Adjust the combustion process of the boiler in accordance with the procedures specified 

in chapter 5, Combustion Efficiency Tables, Taplin, Harry, R., Fairmont Press, 1991 ; and 

(2) Maintain, in a permanently bound log book the following information : 

a. The date(s) on which: 

1 . The efficiency test was conducted; and 

2 . The combustion process was last adjusted; 

b. The name(s), title, and affiliation of the person(s) who : 

1 . Conducted the efficiency test; and 

2. Made the adjustments ; 

c. The NOx emission concentration, in parts-per-million by volume, dry basis (ppmvd), 

corrected to 15% oxygen, after the adjustments are made; 

d. The CO emission concentration, in ppmvd, corrected to 15% oxygen, after the 

adjustments are made; 

63 Env-A 1200 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

e. The opacity readings; and 

£ Any other information required by Env-A 903, Env-A 905, and Env-A 909 . 

(c) Each utility boiler in existence on or after May 31, 1995 with heat input rates of at least 

50,000,000 BTU per hour shall comply with NOx RACT emission limits, or install the NOx RACT control 

technology, specified below: 

(1) For wet-bottom boilers firing coal, or any combination of fuels utilizing coal: 

a. For tangential or face-fired boilers, 1 .0 lb. per million Btu, based on a 24-hour calendar 

day average ; and 

b. For cyclone-fired boilers : 

1 . With a maximum net power output of less than 320 megawatts at all times after 

December 31, 1989, 0.92 lb . per million Btu based on a 24-hour calendar day average; 

or 

2 . With a maximum net power output of more than 320 megawatts at any time after 

December 31, 1989, comply with the NOx RACT emission limits specified in Env-A 

1211 .03(d) and either : 

(i) Comply with the NOx RACT limit of 1 .40 lb. per million Btu based on a 24-

hour calendar day average; 

(ii) Install, operate, and maintain selective non-catalytic reduction (SNCR) 

technology with a minimum normalized stoichiometric ratio (NSR) of 1 :1 ; or 

(iii) Install, operate, and maintain NOx RACT air pollution control equipment or 

an air pollution control process having equivalent or greater NOx removal 

efficiency as SNCR, approved by the division and EPA; 

(2) For dry-bottom boilers firing coal, capable of firing coal, oil, or any combination thereof: 

a. For tangential-fired boilers, 0.38 lb. per million Btu, based on a 24-hour calendar day 

average; 

b. For face-fired boilers, 0 .501b. per million Btu, based on a 24-hour calendar day average; 

and 

c. For stoker-fired boilers, 0 .30 lb. per million Btu, based on a 24-hour calendar day 

average; 

(3) For boilers firing oil, capable of firing oil, gas, or any combination thereof: 

a. For tangential or face-fired boilers when firing exclusively oil, 0.35 lb. per million Btu, 

based on a 24-hour calendar day average; 

b. For face-fired boilers when firing gas or any combination of oil and gas, 0 .25 Ib. per 

million Btu based on a 24-hour calendar day average ; and 

c . For tangential-fired boilers when firing gas or any combination of oil and gas, 0 .25 lb. 

per million Btu based on a 24-hour calendar day average; 

64 Env-A 1200 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(4) For boilers firing exclusively gas, 0.20 lb. per million Btu, based on an hourly average, for 

tangential or face-fired boilers ; and 

(5) For boilers firing wood fuel, capable of firing a combination of wood fuel and oil : 

a. For boilers equipped with a traveling, shaker, or vibrating grate, 0 .33 lb. per million Btu, 

based on a 24-hour calendar day average; and 

b. For boilers equipped with a stationary grate, 0.25 lb . per million Btu, based on a 24-hour 

calendar day average. 

(d) Wet-bottom cyclone-fired utility boilers shall be limited at all times to the equivalent of the 

following NOx emission limits: 

(1) For boilers firing coal, or any combination of fuels utilizing coal, 15 .4 tons of NOx per 24-

hour calendar day; and 

(2) For boilers firing any fuel or combination of fuels excluding coal, 3 .8 tons of NOx per 24-

hour calendar day. 

(e) Nothing in this part shall prohibit the retiring or repowering of a utility boiler at any time after the 

effective date of this part. Utility boilers shall remain subject to the applicable NOx RACT emission limits 

. specified in this part, regardless of a decision to retire or repower the boiler. 

(f) Compliance with the NOx RACT emission standards specified in this section shall be determined 

by the testing methods specified in Env-A 800 and, if applicable, by a CEM system for NOx required by EnvA 600 or Env-A 1211 .21 . 

(g) The recordkeeping and reporting requirements for utility boilers shall be in accordance with the 

provisions of Env-A 903, Env-A 905, and Env-A 909, respectively. 

Source . #5826, eff 5-20-94; amd by #6506-B, eff 5-1-97 ; ss 

by #7787, eff 10-31-02 

Env-A 1211 .04 Emission Standards for Steam Electric Boilers . 

(a) All steam electric boilers that meet the applicability criteria of Env-A 1211 .01(c) shall be subject 

to the provisions of this section . 

(b) Owners or operators of steam electric boilers with heat input rates of at least 5,000,000 Btu per 

hour but less than 50,000,000 Btu per hour shall : 

(1) Before April lst of each year: 

a. Perform an efficiency test using the test procedures specified in chapter 3, Combustion 

Efficiency Tables, Taplin, Harry, R., Fairmont Press, 1991 ; and 

b. Adjust the combustion process of the boiler in accordance with the procedures specified 

in chapter 5, Combustion Efficiency Tables, Taplin, Harry R., Fairmont Press, 1991 ; and 

(2) Maintain, in a perrnanently bound log book or other format approved by the director, the 

following information : 

a . The date(s) on which: 

65 Env-A 1200 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

l . The efficiency test was conducted; and 

2. The combustion process was last adjusted; 

b. The name(s), title and affiliation of the person(s) who: 

1 . Conducted the efficiency test ; and 

2. Made the adjustments; 

c. The NOx emission concentration, in ppmvd, corrected to 15% oxygen, after the 

adjustments are made; 

d. The CO emission concentration, in ppmvd, corrected to 15% oxygen, after the 

adjustments are made; 

e. The opacity readings; and 

f. Any other information required by Env-A 903, Env-A 905, and Env-A 909 . 

(c) Steam electric boilers in existence on or after May 31, 1995 with heat input rates of at least 

50,000,000 Btu per hour but less than 100,000,000 Btu per hour shall comply with the NOx RACT emission 

limits, or install the NOx RACT control technology, specified in Env-A 1211 .05(c), for the applicable fuel 

type and fuel-firing design. ' 

(d) Steam electric boilers in existence on or after May 31, 1995 with heat input rates of 100,000,000 

Btu per hour or more shall comply with the NOx RACT emission limits, or install the NOx RACT control 

technology, specified in Env-A 1211 .05(d), for the applicable fuel type and fuel-firing design. 

(e) Compliance with the NOx RACT emission standards specified in this section shall be determined 

by the testing methods specified in Env-A 800 and, if applicable, by a CEM system for NOx required by EnvA 600 or Env-A 1211 .21 . 

(f) The recordkeeping and reporting requirements for steam electric boilers shall be in accordance 

with the provisions of Env-A 903, Env-A 905, and Env-A 909, respectively . 

Source. #5826, eff 5-20-94; amd by #6506-B, eff 5-1-97; ss 

by #7787, eff 10-31-02 

Env-A 1211 .05 Emissi on Standards for Industrial Boilers . 

(a) All industrial boilers that meet the applicability criteria of Env-A 1211 .01(d) shall be subject to the 

provisions of this section . 

(b) Owners or operators of industrial boilers with heat input rates of at least 5,000,000 Btu per hour 

but less than 50,000,000 Btu per hour shall: 

(1) Before April lst of each year: 

a. Perform an efficiency test using the test procedures specified in chapter 3, Combustion 

Efficiency Tables, Taplin, Harry, R., Fairmont Press, 1991 ; and 

b. Adjust the combustion process of the boiler in accordance with the procedures specified 

in chapter 5, Combustion Efficiency Tables, Taplin, Harry R., Fairmont Press, 1991 ; and 

66 Env-A 1200 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(2) Maintain, in a permanently bound log book the following information : 

a. The date(s) on which: 

1 . The efficiency test was conducted; and 

2 . The combustion process was last adjusted ; 

b . The name(s), title and affiliation of the person(s) who: 

1 . Conducted the efficiency test ; and 

2. Made the adjustments ; 

c. The NOx emission concentration, in ppmvd, corrected to 15% oxygen, after the 

adjustments are made ; 

d. The CO emission concentration, in ppmvd, corrected to 15% oxygen, after the 

adjustments are made; 

e. The opacity readings; and 

f Any other information required by Env-A 903, Env-A 905, and Env-A 909. 

(c) Industrial boilers in existence on or after May 31, 1995 with heat input rates of at least 50,000,000 

Btu per hour but less than 100,000,000 Btu per hour shall comply with the NOx RACT emission limits, or 

install the NOx RACT control technology, specified below: 

(1) For dry-bottom boilers firing coal, capable of firing coal, oil or any combination thereof: 

a. For tangential-fired boilers, 0 .38 lb. per million Btu, based on a 24-hour calendar day 

average; 

b. For face-fired boilers, 0 .50 lb. per million Btu, based on a 24-hour calendar day average ; 

and 

c. For stoker-fired boilers, 0.30 lb. per million Btu, based on a 24-hour calendar day 

average; 

(2) For tangential or face-fired boilers firing exclusively oil : 

a. For boilers firing No . 2 fuel oil, 0.12 lb . per million Btu, based on an hourly average; and 

b. For boilers firing No. 4, 5, or 6 fuel oil : 

1 . 0.30 Ib. per million Btu, based on a 24-hour calendar day average; 

2 . Install, operate, and maintain low NOx burners (LNB); or 

3 . Install, operate and maintain air pollution control equipment or an air pollution 

control process having equivalent or greater NOx removal efficiency as LNB as 

approved by the division and EPA pursuant to Env-A 1211 .18 ; 

(3) For tangential or face-fired boilers firing a combination of oil and gas: 

a. When firing exclusively gas : 

67 Env-A 1200 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

1 . 0 .10 lb. per million Btu, based on an hourly average; 

2 . Install, operate, and maintain LNB; or 

3 . Install, operate, and maintain air pollution control equipment or an air pollution 

control process having equivalent or greater NOx removal efficiency as LNB as 

approved by the division and EPA pursuant to Env-A 1211 .18; 

b. When firing exclusively oil : 

1 . When firing No. 2 fuel oil, 0 .12 lb . per million Btu, based on an hourly average; 

and 

2 . When firing No. 4, 5, or 6 fuel oil: 

(i) 0.301b . per million Btu, based on a 24-hour calendar day average; 

(ii) Install, operate, and maintain LNB ; or 

(iii) Install, operate, and maintain air pollution control equipment or an air 

pollution control process having equivalent or greater NOx removal efficiency as 

LNB as approved by the division and EPA pursuant to Env-A 1211 .18; ~ 

c . When firing a combination of oil and gas: 

1 . When firing gas and No. 2 fuel oil, 0 .12 lb. per million Btu, based on an hourly 

average; and 

2. When firing gas and No. 4, 5, or 6 fuel oil : 

(i) 0 .301b. per million Btu, based on a 24-hour calendar day average ; 

(ii) Install, operate, and maintain LNB; or 

(iii) Install, operate, and maintain air pollution control equipment or an air 

pollution control process having equivalent or greater NOx removal efficiency as 

LNB as approved by the division and EPA pursuant to Env-A 1211 .18 ; 

(4) For boilers firing exclusively gas: 

a. 0.10 lb . per million Btu, based on an hourly average; 

b. Install, operate, and maintain LNB; or 

c . Install, operate, and maintain air pollution control equipment or an air pollution control 

process .having equivalent or greater NOx removal efficiency as LNB as approved by the 

division and EPA pursuant to Env-A 1211 .18 ; and 

(5) For boilers firing wood fuel, or a combination of wood fuel and oil : 

a. For boilers equipped with a traveling, shaker, or vibrating grate, 0 .33 lb . per million Btu, 

based on a 24-hour calendar day average; and 

68 Env-A 1200 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

b. For boilers equipped with a stationary grate, 0 .25 lb . per million Btu based on a 24-11our 

calendar day average. 

(d) Industrial boilers in existence on or after May 31, 1995 with heat input rates of 100,000,000 Btu 

per hour or more shall comply with the NOx RACT emission limits, or install the NOx RACT control 

technology, specified below: 

(1) For wet-bottom boilers firing coal, or any combination of fuels utilizing coal : 

a. For tangential or face-fired boilers, 1 .0 lb . per million Btu, based on a 24-hour calendar 

day average; and 

b. For cyclone-fired boilers, 0 .92 lb. per million Btu, based on a 24-hour calendar day 

average; 

(2) For dry-bottom boilers firing coal, capable of firing coal, oil, or any combination thereof: 

a. For tangential-fired boilers, 0 .38 lb. per million Btu, based on a 24-hour calendar day 

average ; 

b. For face-fired boilers, 0.50 lb . per million Btu, based on a 24-hour calendar day average; 

and 

c. For stoker-fired boilers, 0 .30 lb. per million Btu, based on a 24-hour calendar day 

average; 

(3) For boilers firing oil, capable of firing oil, gas, or any combination thereof: 

a. For tangential or face-fired boilers when firing exclusively oil : 

1 . 0.30 lb . per million Btu, based on a 24-hour calendar day average; 

2 . Install, operate, and maintain LNB ; or 

3 . Install, operate, and maintain air pollution control equipment or an air pollution 

control process having equivalent or greater NOx removal efficiency as LNB as 

approved by the division and EPA pursuant to Env-A 1211 .18 ; 

b . For face-fired boilers when firing gas, or any combination of oil and gas, 0 .25 lb. per 

million Btu based on a 24-hour calendar day average ; and 

c . For tangential-fired boilers when firing gas, or any combination of oil and gas, 0 .25 lb. 

per million Btu based on a 24-hour calendar day average; 

(4) For boilers firing exclusively gas: 

a . For tangential or face-fired boilers, 0 .10 lb. per million Btu, based on an hourly average; 

b. Install, operate and maintain LNB ; or 

c . Install, operate and maintain air pollution control equipment or an air pollution control 

process having equivalent or greater NOx removal efficiency as LNB as approved by the 

division and EPA pursuant to Env-A 1211 .18 ; and 

(5) For boilers firing wood fuel, capable of firing a combination of wood fuel and oil: 

69 Env-A 1200 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

a. For boilers equipped with a traveling, shaker, or vibrating grate, 0 .33 lb. per million Btu, 

based on a 24-hour calendar day average; and 

b. For boilers equipped with a stationary grate, 0.25 lb. per million Btu, based on a 24-hour 

calendar day average. 

(e) Compliance with the NOx RACT emission standards specified in this section shall be determined 

by the testing methods specified in Env-A 800 and, if applicable, by a CEM system for NOx required by EnvA 600 or Env-A 1211 .21 . 

(f) The recordkeeping and reporting requirements for industrial boilers shall be in accordance with the 

provisions of Env-A 903, Env-A 905, and Env-A 909, respectively. 

Source. #5826, eff 5-20-94; amd by #6506-B, eff 5-1-97; ss 

by #7787, eff 10-31-02 

Env-A 1211 .06 Emission Standards for Combustion Turbines. 

(a) All combustion turbines meeting the applicability criteria of Env-A 1211 .01(e) shall be subject to 

the provisions of this section . 

(b) All combustion turbines operating as emergency generators or load shaving units shall be subject 

to the provisions of Env-A 1211 .11 or Env-A 1211 .13 . 

(c) Combustion turbines in existence on or after May 31, 1995 shall be limited at all times to hourly 

average NOx RACT emission limits specified below: 

(1) For combined and regenerative cycle combustion turbines: 

a. For gas-fired turbines without oil back-up, 42 ppmvd, corrected to 15% 02, or 0 .155 lb . 

per million Btu; 

b . For gas-fired turbines with oil back-up, the more stringent of: 

1 . When operating on gas, 42 ppmvd, corrected to 15% 02, or 0 .155 lb. per million 

Btu; or 

2. When operating on oil, 65 ppmvd, corrected to 15% 02, or 0 .253 lb. per million 

Btu; and 

c. For oil-fired turbines, 65 ppmvd, corrected to 15% 02, or 0.253 lb. per million Btu; 

(2) For simple cycle combustion turbines : 

a. For gas-fired turbines without oil back-up, 55 ppmvd, corrected to 15% 02, or 0.203 lb. 

per million Btu; 

b . For oil-fired turbines, 75 ppmvd, corrected to 15% 02, or 0 .292 lb . per million Btu; and 

c. For gas-fired turbines with oil back-up : 

1 . When operating on gas, 55 ppmvd, corrected to 15% 02, or 0 .203 lb . per million 

Btu; and 

70 Env-A 1200 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

2. When operating on oil, 75 ppmvd, corrected to 15% 02, or 0 .292 lb . per million 

Btu. 

(d) On and after November 1, 2002, all gas-fired turbines constructed after May 27, 1999, shall be 

limited to an hourly average NOx RACT emission limit of 25 ppmvd, corrected to 15% 02, or 0 .092 lb . per 

million Btu, when operating on gas . 

(e) Compliance with the NOx RACT emission standards specified in this section shall be determined 

by the testing methods specified in Env-A 800 and, if applicable, by a CEM system for NOx required by EnvA 600 or Env-A 1211 .21 . 

(f) The recordkeeping and reporting requirements for combustion turbines shall be in accordance with 

the provisions of Env-A 903, Env-A 905, and Env-A 909, respectively . 

Source. #5826, eff 5-20-94; EXPIRED 5-20-00 

New. #7787, eff 10-31-02 

Env-A 1211 .07 Emission Standards for Stationary Internal Combustion Engines . 

(a) All stationary internal combustion engines meeting the applicability criteria of Env-A 1211 .01(f) 

shall be subject to the provisions of this section . 

(b) All stationary internal combustion engines operating as emergency generators or load shaving 

units shall be subject to the provisions of Env-A 1211 .11 or Env-A 1211 .13 . 

(c) Stationary internal combustion engines in existence on or after May 31, 1995 shall be limited at all 

times to hourly average NOx RACT emission limits no greater than those specified below: 

(1) For rich burn internal combustion engines, 1 .5 grams per bhp-hr for gas-fired units ; and 

(2) For lean burn internal combustion engines: 

a. For gas-fired units, 2.5 grams per bhp-hr ; and 

b. For oil-fired units, 8 .0 grams per bhp-hr, or 2 .44 lb . per million Btu. 

(d) Compliance with the NOx RACT emission standards specified in this section shall be determined 

by the testing methods in Env-A 800 and, if applicable, by a CEM system for NOx required by Env-A 600 or 

Env-A 1211 .21 . 

(e) The recordkeeping and reporting requirements for stationary internal combustion engines shall be 

in accordance with the provisions of Env-A 903, Env-A 905, and Env-A 909, respectively. 

Source . #5826, eff 5-20-94; EXPIRED 5-20-00 

New. #7787, eff 10-31-02 

Env-A 1211 .08 Emission Standards for Asphalt Plant Dryers. 

(a) For the purpose of this section, the following definitions shall apply: 

(1) "Batch type asphalt plant" means an asphalt plant where equipment external to the rotary 

dryer is used to mix the aggregate and asphalt cement or other binder; 

71 Env-A 1200 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(2) "Drum mix type asphalt plant" means an asphalt plant where the asphalt cement or other 

binder is added to the aggregate while the aggregate is in the rotary dryer; and 

(3) "Rotary dryer" means a cylinder which rotates about a fixed axis and through which hot 

gases are passed for the purpose of removing moisture from solid material . 

(b) All asphalt plant rotary dryers meeting the applicability criteria of Env-A 1211 .01(g) shall be 

subject to the provisions of this section . 

(c) Asphalt plant rotary dryers in existence on or after May 31, 1995 shall be limited at all times to 

hourly average NOx RACT emission limits no greater than 0.12 lb. per ton of asphalt produced, or 0.429 lb. 

per million Btu, for batch type and drum mix type asphalt plants . 

(d) Compliance with the NOx RACT emission standards specified in this section shall be determined 

by the testing methods in Env-A 800 and, if applicable, by a CEM system for NOx required by Env-A 600 or 

Env-A 1211 .21 . 

(e) The recordkeeping and reporting requirements for asphalt plant dryers shall be in accordance with 

the provisions of Env-A 903, Env-A 905, and Env-A 909, respectively . 

Source. #5826, eff 5-20-94; EXPIRED 5-20-00 

New. #7787, eff 10-31-02 

Env-A 1211 .09 Emission Standards for Incinerators . 

(a) All incinerators meeting the applicability criteria of Env-A 1211 .01(h) shall be subj ect to the 

provisions of paragraphs (c) through (e) of this section . 

(b) All incinerators combusting sewage sludge shall be subject to the provisions of Env-A 1211 .14 . 

(c) Incinerators in existence on or after May 31, 1995 shall be limited at all times to 24-hour calendar 

day average NOx RACT emission limits no greater than 0 .53 lb. per million Btu. 

(d) Compliance with the NOx RACT emission standards specified in this section shall be determined 

by the testing methods in Env-A 800 and, if applicable, by a CEM system for NOx required by Env-A 600 or 

Env-A 1211 .21 . 

(e) The recordkeeping and reporting requirements for incinerators shall be in accordance with the 

provisions of Env-A 903, Env-A 905, and Env-A 909, respectively. 

Source. #5826, eff 5-20-94; EXPIRED 5-20-00 

New. #7787, eff 10-31-02 

Env-A 1211 .10 Emission Standards for Wallboard Manufacturing Facilities. 

(a) All wallboard dryers, calcining mills, calciners, and gypsum rock dryers meeting the applicability 

criteria of Env-A 1211 .01(i) shall be subject to the provisions of this section . 

(b) Wallboard dryers, calcining mills, calciners, and gypsum rock dryers in existence on or after May 

31, 1995 shall comply with the NOx RACT emission limits, or install the NOx RACT control technology, 

specified below : 

(1) For wallboard dryers, calcining mills, calciners, and gypsum rock dryers firing natural gas : 

72 Env-A 1200 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

a. 0.10 Ib . per million Btu, based on an hourly average; 

b . Install, operate, and maintain LNB ; or 

c. Install, operate, and maintain air pollution control equipment or an air pollution control 

process having equivalent or greater NOx removal efficiency as LNB as approved by the 

division and EPA pursuant to Env-A 1211 .18; and 

(2) For wallboard dryers, calcining mills, calciners, and gypsum rock dryers firing fuel oil : 

a. When firing #2 fuel oil : 

1 . O.101b. per million Btu, based on an hourly average ; 

2 . Install, operate, and maintain LNB; or 

3. Install, operate, and maintain air pollution control equipment or an air pollution 

control process having equivalent or greater NOx removal efficiency as LNB as 

approved by the division and EPA pursuant to Env-A 1211 .18 ; and 

b. When firing #4,#5, or #6 fuel oil : 

1 . 0.301b . per million Btu, based on a 24- hour calendar day average; 

2 . Install, operate, and maintain LNB; or 

3 . Install, operate, and maintain air pollution control equipment or an air pollution 

control process having equivalent or greater NOx removal efficiency as LNB as 

approved by the division and EPA. 

(c) Compliance with the NOx RACT emission standards specified in this section shall be determined 

by the testing methods in Env-A 800 and, if applicable, by a CEM system for NOx required by Env-A 600 or 

Env-A 1211 .21 . 

(d) The recordkeeping and reporting requirements for wallboard manufacturing facilities shall be in 

accordance with the provisions of Env-A 903, Env-A 905, and Env-A 909, respectively. 

Source. #5826, eff 5-20-94; EXPIRED 5-20-00 

New. #7787, eff 10-31-02 

Env-A 1211 .11 Emission Standards and Control Options for Emergency Generators. 

(a) Owners or operators of emergency generators meeting the applicability criteria of Env-A 

1211 .01(j) shall be subject to the provisions of this section . 

(b) Each emergency generator subject to the provisions of this section shall be limited to less than 500 

hours of operation per year during any consecutive 12-month period by an enforceable permit issued by the 

division. 

(c) Stationary combustion turbines in existence on or after May 31, 1995 operating as emergency 

generators shall: 

73 Env-A 1200 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(1) Adjust the combustion process of the combustion turbine, before April lst of each year, in 

accordance with the following : 

a. Inspect the burner, the flame pattern from the burner, and the systems which control the 

air-to-fuel ratio; 

b. Adjust the air-to-fuel ratio in accordance with the results of the inspections performed; 

c . Determine the effect of the adjustment upon NOx emissions; 

d. Re-adjust the air-to-fuel ratio based on results of the previous adjustment performed to 

minimize total NOx emissions ; and 

e. Confirm that NOx emissions from the equipment or source operation do not cause an 

exceedance of any maximum allowable emission rate for NOx or any other state and 

federally regulated air pollutant, or any opacity standard specified in Env-A 2000; 

(2) Maintain, in a permanently bound log book or other format approved by the director, the 

following information : 

a. The date on which the combustion process was last adjusted; 

b . The name, title, and affiliation of the person who made the adjustments ; 

c. The NOx emission concentration, in ppmvd, corrected to 15% oxygen, after the 

adjustments are made; 

d . The CO emission concentration, in ppmvd, corrected to 15% oxygen, after the 

adjustments are made; 

e. The opacity readings ; and 

f. Any other information required by Env-A 903, Env-A 905 and Env-A 909; 

(3) Install, operate, and maintain an elapsed time meter for each engine to indicate, in cumulative 

hours, the elapsed engine operating time for the previous 12 months; 

(4) Determine the hours of operation for each engine for the previous 12-month period on a 

monthly basis; and 

(5) Notify the division in writing in the event that the hours of operation exceed 500 hours for 

any consecutive 12-month period . 

(d) Stationary internal combustion engines in existence on or after May 31, 1995 operating as 

emergency generators shall at all times : 

(1) Set and maintain the ignition timing of the engine 4 degrees retarded relative to standard 

timing, provided that the ignition timing shall not be retarded beyond the point that: 

a. The CO emission concentration increases beyond 100 pmvd, corrected to 15% oxygen; 

b. The turbocharger speed is increased beyond the maximum operating speed recommended 

by the manufacturer ; 

74 Env-A 1200 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

c . The exhaust port temperature increases beyond the manufacturer's recommended 

maximum operating temperature ; or 

d. The opacity of the emissions from the engine exhaust is equal to or greater than 20°/o 

opacity ; 

(2) Install, operate, and maintain an elapsed time meter for each engine to indicate, in cumulative 

hours, the elapsed engine operating time for the previous 12 months; 

(3) Determine the hours of operation for each engine for the previous 12-month period on a 

monthly basis; 

(4) Maintain records to certify that the ignition timing of the engine has been inspected and 

adjusted at least once every 3 years; and 

(5) Notify the division in writing in the event that the hours of operation exceed 500 hours for 

any consecutive 12-month period. 

(e) If the hours of operation of any emergency generator exceed 500 hours for any consecutive 12-

month period, the emergency generator shall immediately become subject to the requirements of Env-A 

1211 .06 or Env-A 1211 .07 for the appropriate device type and fuel type . 

(f) The emissions from emergency generators shall be included in the calculation of both the actual 

and theoretical potential emissions from a stationary source . 

(g) The recordkeeping and reporting requirements for emergency generators shall be in accordance 

with the provisions of Env-A 903, Env-A 905, and Env-A 909, respectively. 

Source. #5826, eff 5-20-94; amd by #6506-B, eff 5-1-97; ss 

by #7787, eff 10-31-02 

Env-A 1211 .12 Emission Standards for Auxiliar LBoi_lers . 

(a) An auxiliary boiler meeting the applicability criteria of Env-A 1211 .01(k) shall be subject to the 

provisions of this section . 

(b) An owner or operator of an auxiliary boiler with a heat input rate of at least 5,000,000 Btu per 

hour but less than 50,000,000 Btu per hour shall comply with the requirements of Env-A 1211 .05(b) . 

(c) An auxiliary boiler in existence on or after May 31, 1995, with a heat input rate of at least 

50,000,000 Btu per hour, shall be limited at all times to a NOx RACT emission limit no greater than 0.20 lb . 

per million Btu based on a 24-hour calendar day average, regardless of the type of fuel burned. 

(d) The emissions from all auxiliary boilers shall be included in the calculation of both the actual and 

theoretical potential emissions from the stationary source . 

(e) Compliance with the NOx RACT emission standards specified in this section shall be determined 

by the testing methods in Env-A 800 and, if applicable, by a CEM system for NOx required by Env-A 600 or 

Env-A 1211 .21 . 

75 Env-A 1200 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(f) The recordkeeping and reporting requirements for auxiliary boilers shall be in accordance with the 

provisions of Env-A 903, Env-A 905, and Env-A 909, respectively . 

Source . #5826, eff 5-20-94 ; EXPIRED 5-20-00 

New. #7787, eff 10-31-02 ; ss by #8234, eff 12-22-04 

Env-A 1211 .13 Emission Standards for Load Shaving _Units. 

(a) All load shaving units meeting the applicability criteria of Env-A 121 1 .01(l) shall be subject to the 

provisions of this section . 

(b) Stationary combustion turbines in existence on or after May 31, 1995 operating as load shaving 

units shall be limited at all times to NOx RACT emission limits no greater than 0.90 lb . per million Btu heat 

input based on an hourly average for any type of fuel. 

(c) Stationary internal combustion engines in existence on or after May 31, 1995 operating as load 

shaving units shall be limited at all times to hourly average NOx RACT emission limits specified below: 

(1) For rich burn internal combustion engines, 2 .0 grams per bhp-hr for gas-fired units; and 

(2) For lean burn internal combustion engines: 

a. For gas-fired units, 3 .0 grams per bhp-hr; and 

b . For oil-fired units, 9 .0 grams per bhp-hr, or 2 .741b. per million Btu. 

(d) If the actual NOx emissions from any load shaving unit exceed 50 tons during any consecutive 12-

month period, the load shaving unit shall immediately become subject to the requirements of Env-A 1211 .06 

or Env-A 1211 .07 for the appropriate device type and fuel type. 

(e) The emissions from all load shaving units shall be included in the calculation of both the actual 

and theoretical potential emissions from the stationary source. 

(f) Compliance with the NOx RACT emission standards specified in this section shall be determined 

by the testing methods in Env-A 800 and, if applicable, by a CEM system for NOx required by Env-A 600 or 

Env-A 1211 .21 . 

(g) The recordkeeping and reporting requirements for load shaving units shall be in accordance with 

the provisions of Env-A 903, Env-A 905, and Env-A 909, respectively . 

Source . #5826, eff 5-20-94; EXPIRED 5-20-00 

New. #7787, eff 10-31-02 

Env-A 1211 .14 Emission Standards and Control Options for Miscellaneous Stationary Sources . 

Owners or operators of miscellaneous stationary sources meeting the applicability criteria of Env-A 

1211 .01(m) shall: 

(a) Initiate and implement a study of RACT control options consisting of a detailed examination of 

technological and economic feasibility of available NOx control techniques for all classifiable and 

unclassifiable NOx-emitting sources, devices or processes ; and . 

76 Env-A 1200 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(b) Apply for and obtain from the division a RACT order in accordance with the provisions of Env-A 

1211 .18 . 

Source . #5826, eff 5-20-94 ; EXPIRED 5-20-00 

New. #7787, eff 10-31-02 

Env-A 1211 .15 Alternative RACT Emission Limits. 

(a) Alternative RACT emission limits, other than those specified in Env-A 1211 .03 through Env-A 

1211 .13, shall be allowable for all NOx emitting processes and devices regulated under this part, except for 

wet-bottom cyclone fired utility boilers subject to the RACT emission limits and/or technology requirements 

specified in Env-A 1211 .03(d), provided that the source owner or operator performs an alternative RACT 

analysis that conclusively demonstrates, in accordance with the provisions of (b) and (c), below, that the NOx 

RACT emission limit(s) specified or the NOx RACT air pollution control technology in Env-A 1211 .03 

through Env-A 1211 .13 is not reasonably available considering technological and economical feasibility . 

(b) An owner or operator of a stationary source seeking alternative NOx RACT emission limits shall : 

(1) Undertake and submit to the division, within 120 days of the date when the source becomes 

subject to this part, a study of RACT control options consisting of a detailed examination of the 

technological and economic feasibility of all available NOx control techniques for all applicable 

NOx emitting sources, devices or processes for which alternative RACT emission limits are 

sought; and 

(2) Obtain a RACT order from the division in accordance with the provisions of this section . 

(c) An owner or operator of a utility boiler operating as a stationary source seeking alternative NOx 

RACT emission limits shall : 

(1) Undertake and submit to the division within 120 days of the date when the source becomes 

subject to this part, ,a study of RACT control options consisting of a detailed examination of the 

technological and economic feasibility of available NOx control techniques for all applicable 

NOx-emitting sources, devices or processes for which alternative RACT emission limits are 

sought, including, but not be limited to, an evaluation of the technical and economic feasibility of 

the following NOx control options : . 

a. Low-NOx burners; 

b. Overfire air ; 

c . Flue gas recirculation ; 

d. Natural gas reburn; 

e. Burners out of service ; 

f. Use of alternative fuels ; 

g. Selective catalytic reduction; and 

h. SNCR; and 

77 Env-A 1200 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(2) Obtain a RACT order from the division in accordance with the provisions of this section . 

Source. #5826, eff 5-20-94 ; EXPIRED 5-20-00 

New. #7787, eff 10-31-02 

Env-A 1211 .16 Multiple Sources Under Common Ownership . 

(a) For the purposes of this section, "bubble" means an option taken by the source to impose controls 

that are more stringent than RACT level on certain emitting units while simultaneously imposing controls 

that are less stringent than RACT level on other emitting units, including the option of no controls on such 

units, in order to achieve the same amount of emission reduction required by the SIP in a more cost effective 

manner for the source. 

(b) Emissions averaging shall be allowed for NOx emissions from 2 or more stationary sources 

subject to the provisions of this section . 

(c) All stationary sources to be included in the emissions averaging shall be: 

(1) Located in New Hampshire ; and 

(2) Under the control of a single owner. 

(d) Compliance with the NOx RACT weighted average allowable emission rate as calculated in (i), 

below, shall be based on the weighted average actual NOx emissions from the units that are operating on a 

given day. 

(e) Emissions averaging, including allowable emission averaging periods, shall be done in accordance 

with the provisions of EPA's emissions trading policy, as described in 51 FR 43814 and 51 FR 43850 . 

(f) Emission reduction credits generated for the purpose of emission averaging shall be real, surplus, 

permanent, quantifiable, federally enforceable and transferable within the bubble within a given calendar 

year, and shall conform to the provisions set forth in 40 CFR 51 .165, as revised June 28, 1989, and RSA 125-

J and any administrative rules promulgated thereunder. 

(g) Emissions averaging shall be enforced by means of federally enforceable conditions contained in 

permits issued by the division as a source-specific SIP revision, or federally enforceable permits issued by the 

division or EPA, for all stationary sources to be included in the averaging. 

(h) The recordkeeping and reporting requirements for emission averaging shall be in accordance with 

the provisions of Env-A 903, Env-A 905, and Env-A 909, respectively . In any event, recordkeeping and 

reporting shall include a summary of the emissions, the emissions reduction credit transfers, the applicable 

transfer ratios, and the adjusted emissions, after transfer, of each affected stationary source . 

(i) All stationary sources to be included in the emissions averaging shall comply with the equation 

specified in Env-A 1211 .17 for each 24-hour calendar day. 

(j) Emission reduction credits generated from reductions at any stationary source included in 

emissions averaging may be used for compliance with (i), above, by other stationary source(s) within the 

bubble . However, at those sources located in nonattainment areas, 1 .2 units of credits shall be necessary to 

offset 1 .0 unit of emissions . 

(k) All stationary sources or devices to be included in the emissions averaging shall: 

78 Env-A 1200 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(1) Calculate daily emissions : 

a. For those sources or devices generating credits for the purpose of emissions averaging, 

based on the installation of CEMs in accordance with the provisions of Env-A 1211 .21 and 

Env-A 800; or 

b . For those sources or devices not required to install CEMs under the provisions of Env-A 

1211 .21 or Env-A 800, based on: 

l . The worst case emission rate(s) for the device(s) or source(s) established through 

stack testing performed in accordance with the provisions of Env-A 800 and approved 

by EPA; and 

2 . The hours of operation measured in accordance with a method approved by EPA; 

and 

(2) Comply with the recordkeeping and reporting requirements specified in Env-A 903, Env-A 

905 and Env-A 909. 

Source. #5826, eff 5-20-94; EXPIRED 5-20-00 

New. #7787, eff 10-31-02 

Env-A 1211 .17 Emissions Averaging Equation. 

(a) "E" means the total allowable emissions from all facilities included in the emissions averaging in 

pounds per day. 

(b) "Al, A2, . . ., An" means the applicable emission limit for each unit of production, such as 

lb/MMBtu, as specified in this part. 

(c) "B 1, B2, . . ., Bn" means the maximum number of units of production per day, such as MMBtu/day, 

based on the maximum gross heat input rate of each device included in the emissions averaging . 

(d) To calculate the total allowable emissions from all facilities included in the emissions averaging in 

pounds per day, the owner or operator shall multiply A1 times B1, A2 time B2, and so forth, and then sum the 

products, as in the formula below : 

E=(A1 xB1)+(A2xB2)+, . .+(AnxBn) 

Source. #5826, eff 5-20-94; EXPIRED 5-20-00 

New. #7787, eff 10-31-02 

Env-A 1211 .18 Procedure for Issuance of a RACT Order. 

(a) For the purpose of this section, the following definitions shall apply: 

(1) "Determination of insufficiency" means a written determination by the division that the 

documentation submitted by a source applicant, pursuant to the requirement for a feasibility study 

of RACT options as required by Env-A 1211 .15(b) and (c), is inadequate for the division to issue 

a RACT order; and 

(2) "Determination of sufficiency" means a written determination by the division that the 

documentation submitted by a source applicant, pursuant to the requirement for a feasibility study 

79 Env-A 1200 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

of RACT options as required by Env-A 1211 .15(b) and (c), is adequate for the division to issue a 

RACT order. 

(b) The owner or operator of any miscellaneous stationary source subject to the provisions of Env1211 .14 or any source, device or process seeking alternative RACT emission limits under Env-A 1211 .15 

shall submit.the following to the division within 120 days of the date when the source becomes subject to this 

part: 

(1) An inventory of all NOx-emitting sources, devices or processes at the facility ; 

(2) The maximum NOx-emitting capacity of each NOx-emitting source, device or process; 

(3) The actual amount of NOx emitted based on heat input, fuel consumption or equivalent 

method acceptable to the division, for each day during the previous calendar year, from each 

affected NOx-emitting source, device or process at the facility ; 

(4) A detailed study of RACT options ; 

(5) An examination of the technical and economical feasibility of available NOx control 

techniques including the technique of using ERCs or DERs as a compliance option, for all NOxemitting sources, devices or processes ; 

(6) An examination of the feasibility of changing to low-NOx emitting processes; 

(7) The control option selected, stating emission limits, monitoring, recordkeeping and reporting 

procedures, and test methods to demonstrate compliance; 

(8) The amount of NOx that is proposed to be controlled from each NOx-emitting source, device 

or process identified in the inventory required by (1), above; and 

(9) A schedule for implementation, which shall indicate the commitment dates for the major 

increments of progress toward compliance, including : 

a. Completion of engineering ; 

b. Submission of air pollution permit application ; 

c . Awarding of contract; 

g. 

d. Initiation of construction ; 

e. Completion of construction ; 

f. Initial compliance testing ; 

Submission of compliance tests reports ; and 

h. Final compliance with emission or control requirements of this part. 

(c) For miscellaneous stationary sources subject to the provisions of Env-1211 .14 or sources, devices 

or processes seeking alternative RACT emission limits in accordance with the provisions of Env-A 1211 .15, 

the division shall : 

80 Env-A 1200 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(1) Issue written notification of its determination to the owner or operator of the source or device 

within 60 days of receipt of documentation submitted pursuant to Env-A 1211 .15(b) or (c), and 

(d), below, containing either : 

a. An initial determination of sufficiency; or 

b. An initial determination of insufficiency, together with a request for all additional 

information necessary to issue an alternative RACT determination ; 

(2) In the event that an initial detennination of sufficiency is made, issue a final determination of 

sufficiency and present to EPA and the owner or operator of the affected source, device, or 

process a proposed RACT order within 60 days of the initial determination of sufficiency, 

containing: 

a. An inventory of all NOx-emitting sources, devices, or processes; 

b. Emission limits for all NOx-emitting sources, devices, or processes ; 

c. A schedule requiring compliance with the RACT emission limits that contains the 

elements described in (b)(9), above; 

d. Procedures for determining initial compliance with the emission limits ; 

e . Procedures for assessing continuous compliance with the emission limits; and 

£ Recordkeeping and reporting requirements in accordance with the provisions of Env-A 

903, Env-A 905, and Env-A 909, respectively; 

(3) In the event that an initial determination of insufficiency is made: 

a. Issue a final determination of sufficiency and present to EPA and the owner or operator 

of the affected source, device, or process a proposed RACT order containing those items 

listed in (2), above, within 60 days of the receipt of those items submitted pursuant to (1)b ., 

above; or 

b. Terminate the pen-nit process and issue a final determination of insufficiency if a 

complete response to the initial determination of insufficiency is not received from the 

owner or operator of the affected source, device or process within 60 days of receipt of 

n ot if *on of the dMs'on's I I 1 initial determination 1 of 1 insufficiency ; 

(4) Within 30 days of the issuance of a proposed RACT order, issue a public notice of an oral 

hearing on a proposed RACT order, once in a newspaper of daily statewide circulation and once 

in a newspaper in the general locality of the affected source; 

(5) Conduct an oral hearing on the proposed RACT order not less than 30 days after the issuance 

of the public notice ; 

(6) Issue a final RACT order to the owner or operator of the affected source, device, or process 

within 60 days of the date of the public hearing on the proposed RACT order; 

(7) Submit to EPA a revision to the State Implementation Plan (SIP) within 60 days of the 

issuance of a final RACT order; and 

81 Env-A 1200 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(8) Upon issuance of the final RACT order, issue a permit to the owner or operator of the 

affected source, device, or process which incorporates all of the terms and conditions of the final 

RACT order. 

(d) The owner or operator of any source, device, or process for which a final RACT order has been 

issued shall comply with all of the terms and conditions of the final RACT order immediately upon the 

issuance of such order by the division . 

Source. #5826, eff 5-20-94; EXPIRED 5-20-00 

New. #7787, eff 10-31-02 

Env-A 1211 .19 Seasonal Control of NOx Emissions. A device or stationary source subject to this part 

may utilize seasonal emission control techniques in order to comply with NOx RACT, subject to the 

following conditions : 

(a) Any device or stationary source using post-combustion NOx air pollution control equipment to 

comply with NOx RACT during the ozone season shall continue operation of said equipment during the 

remainder of the calendar year; 

(b) The allowable annual mass NOx emission rate, in tons per year, shall be less than or equal to the 

annual NOx mass emission rate that would be calculated by multiplying the actual annual production rate, for 

example Btu per year, by the applicable emission limit, for example lbs. NOx per million Btu, specified in 

Env-A 1211 .03 through Env-A 1211 .13. The applicable emission limit shall be the limit which would apply 

considering all fuels in use prior to December 31, 1990 ; 

(c) Annual NOx emissions limits shall be based on the lower of the actual or allowable NOx 

emissions for calendar year 1990, unless NOx emissions and operational data are submitted to and approved 

by the division demonstrating that NOx emissions from the source for calendar year 1990 are not 

representative of normal operations . In no case shall NOx emissions data for years prior to calendar year 

1989 be used to represent normal operations for the purpose of emissions averaging . The division shall use 

EPA-approved methods and procedures as specified in 40 CFR § 51 .165 for determining whether the data 

submitted is adequate to demonstrate that NOx emissions for calendar year 1990 are not representative of 

normal operations; 

(d) Emissions averaging to meet NOx RACT requirements on a seasonal basis shall be allowable in 

accordance with the following requirements: 

(1) A 24-hour calendar day average NOx mass emission limit shall be established for the ozone 

season based on the applicable limit specified in Env-A 1211 .03 through Env-A 1211 .13, 

considering all fuels in use prior to December 31, 1992; 

(2) A 24-hour calendar day average NOx mass emission limit shall be established for the 

remainder of the year based on the uncontrolled emission rate of the device determined by CEM 

data or stack test data; 

(3) An allowable average annual NOx RACT mass emission limit shall be established based on 

the criteria specified in (b), above; 

(4) The sum of the NOx mass emissions during the ozone season and the NOx mass emissions 

during the remainder of the calendar year shall be less than or equal to the lesser of the annual 

NOx RACT mass emissions that would have been allowed under Env-A 1211 .03 through Env-A 

82 Env-A 1200 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

(7) 

1211 .13 or the annual NOx mass emissions allowed under the requirements of Env-A 100 

through Env-A 3800 ; 

(5) Emissions from replacement power sources shall be calculated by multiplying the actual 

production rate for the device, for example Btu per hour, by the allowable NOx mass emission 

rate for the device, for example lb. NOx per million Btu; 

(6) For multiple sources under common ownership using the bubble specified in Env-A 1211 .16, 

the applicable emission limit for each unit of production referred to in the fonnula in Env-A 

1211 .17 shall be established by the division in accordance with the applicable provisions of this 

section ; and 

All stationary sources using seasonal controls shall : 

a. Install CEMs to the extent required by Env-A 1211 .21 and Env-A 800; 

b. Calculate daily emissions in accordance with the provisions of Env-A 1211 .21 and part 

Env-A 800; 

c. Calculate annual emissions in accordance with the provisions of this section ; and 

d. Comply with the recordkeeping and reporting requirements specified in Env-A 903, EnvA 905 and Env-A 909 . 

Env-A 1211 .20 NOx Testing. 

requirements specified in Env-A 800 . 

Source. #5826, eff 5-20-94 ; amd #6838, eff 8-27-98 

New. #7787, eff 10-31-02 

Stationary sources subject to this part shall comply with the testing 

Source. #5826, eff 5-20-94; EXPIRED 5-20-00 

New. #7787, eff 10-31-02 

Env-A 1211 .21 NOx Monitoring Requirements . The department shall require installation, operation, 

maintenance, and quality assurance testing of a CEM system for NOx which meets all of the requirements 

specified in Env-A 800 if any of the following conditions exist: 

(a) A source utilizes air pollution control equipment in order to maintain compliance with a NOx 

emission limit, and continuous emission monitoring is determined by the department to be necessary to 

ensure that this emission limit is not exceeded and that the control equipment is performing correctly ; 

(b) A stationary source is subject to the CEM provisions of Env-A 800; 

(c) A stationary source or device generates emissions credits for the purpose of emission averaging 

pursuant to Env-A 1211 .16; or 

(d) A stationary source or device uses seasonal emission control techniques, in accordance with EnvA 1211 .19, in order to comply with NOx RACT. 

Source. #5826, eff 5-20-94; amd by #6506-B, eff 5-1-97 ; ss 

by #7787, eff 10-31-02; ss by #8234, eff 12-22-04 

83 Env-A 1200 
NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES 

Appendix 

Rule State Statute Federal Statute 

Env-A 1204 RSA 125-C:4, I(a) & (d), 

RSA 125-C:6, II & XIV, 

RSA 125-C:11 

42 U.S .C. Section 7410, 7502(c) & 7511c 

Env-A 1204.02(h) 

Env-A 1204.03(co) 

Env-A 1204.43 & 1204 .44 

RSA 125-C:4,1(a) & (n); 

RSA 125-C:6, II & XVII; 

42 U.S .C. Sections 7410, 7502(c), & 751 lc 

Env-A 1211 RSA 125-C :4, I(a) ; 42 U.S.C. Sections 7410, 7502(c) & 7511c , 

84 Env-A 1200