### APPENDIX 

### B



## Guidelines for Rule 218 

## Continuous Emission Monitoring System ~uali'ty Assurance and Quality Control Plan

### TABLE OF CONTENTS Title Page I


### . INTRODUCTION


## ........................................................................C-4 

## n
. OVERVIEW 

# . ........................................................................c-5 I11


### . QUALITYASSURANCEIQUALITY CONTROL PROGRAM


## ..................C-7 IV

## . QAQC


### . A WNTTEN PLAN


### ...................................................... C-9 INTRODUCTION


## ................................................................C-10



### .......... QUALITY ASSURANCE QUALITY CONTROL OVERVIEW C-12 ORGANIZATION AND PERSONNEL RESPONSIBILITY


## ..................C-12 CONTINUOUS EMISSION MONITORING SYSTEM DESCRIPTION


### .... C-16 DATA HANDLING. VALIDATION AND REPORTING


## .................. C-16 OPERATION 

### AND MAINTENANCE PROGRAM


## ...........................C-1. 7 QUALITY ASSURANCE AUDITS AND 

### QUALITY CONTROL ACTIVITIES


### ..................................................................... C-22 RECORDKEEPING AND REPORTING REQUIREMENTS


### ................... C-25 CORRECTIVE ACTIONS


### ....................................................... C-31



## ............................ V

## . LIST OF REFERENCES AND SOURCE MATERIALS C-33 VI


### . ATTACHMENTS


### ..........................................................................C-33 ATTACHMENT A


### . REQUIREMENTS FOR RULE 21

### 8 CEMS

CERTIFICATION TESTING ATTACHMENT B

. 

### SUPPLEMENTFOR CEMS CERTIFICATION TESTING ATTACHMENT C

. 

### NO2TO NO CONVERSION TEST PROCEDURE ATTACHMENT D

. 

### ANALYZER ENVIRONMENTAL ENCLOSURE ATTACHMENT E


### . FUEL FLOW MONITORS RELATIVE ACCURACYTESTGuidelines for Rule 218 CEMS QAQC Plan



### LIST OF TABLE

## AND FIGURES

Table 

### 1

## - RESPONSIBILITIES OF LEVELS I, 11, AND I11 

### IN A SOLRCE QAQC PROGRAM


### ......................... C-14



### . . 

### Figure 

### 1

### - RULE 2 1 8CEMS QUALITY ASSURANCEIQUALITYCONTROL PLAN (SAMPLE OUTLINE)


### ............................................C-11 Figure 2

## - CEMS QAQCPROGRAM PARTICIPANTS & 

### RESPONSIBILITIES (SAMPLE)


### ........................................................C-

### 15 Figure 

### 3 

## - CEMS TROUBLEREPORTIWORK REQUEST FORM (SAMPLE FORM)


### ............................................. .C-20 Figure 4 

## - QAQC PROGRAM CEMS MAINTENANCE TIMETABLE (SAMPLE )


### .....................................................C-21 Figure 5

## - CEMS LOGBOOK



## ....................................................... (SAMPLE) C-26 Figure 6 

### - CEMS PROBLEM COMMUNICATIONMEMO (SAMPLE)


### ....................................................... C-27 Figure 7

## - PRECISION CALCULATION FORM Figure 8

## - DATA ASSESSMENT REPORTPAR) (SAMPLE FORM)


### ............................................ C-30 Figure 9

## - CEMS QNQCACTIVITIES ON PRECISION & 

### ACCURACY (SAMPLE FORM)


### ........................................... .C-32Guidelines for Rule 218 CEMS QAQC Plan

The primary objective of a Quality Assurance (QA) program for a Continuous Emission Monitoring System (CEMS) is to ensure that all data collected and reported are meaningful, precise and accurate within a stated acceptance criteria. Theprogram should be strong,but flexible enoughto allow continuing evaluation ofits adequacy and effectiveness. Once a quality assurancelqualitycontrolplan is written and implemented, assessment procedures will evaluate the plan's effectivenessand may result in revisions to the plan. This assessment provides an on-going corrective action system. Rule 

### 21 8 

### - "Continuous Emission Monitoring" (R218) provides an option to the facility to comply with either the requirements of Rule 218.1 

### - "Continuous Emission Monitoring Performance Specifications" (R218.1) or the requirements of40CFR60, Appendices 

### B and 

### F. R218 requires the CEMS owner or operator to prepare, submit and have approved by the District, a Quality AssuranceIQuality Control Plan (QAQCP). The QAQCP is intended to ensure that the quality of R218 CEMS generated data is known and is adequate for accurately quantifying, recording and reporting volumetric flow, pollutant concentration andlor mass emissionrates, as applicable. This document was developed to provide guidance to R218 facilities in preparing and developing the required QAQC plan for the certification, operation, assessment and corrective action for R218 CEMS. CEMS certification is included since it is considered to be the first quality assurance activity for any CEMS. The certification is intended to provide a high degree of assurance that the installed CEMS is capable of producing data of sufficient quality for the



## .. . 

# -- bbg practice. Once the CEMS is certified, the facilitymust maintain good data quality through proper QAJQC program. 

### An assessment is performed on how well the quality control (QC) program is working to maintain data of known and adequate quality. QAQC functions are performed to enable the source to determine the precision and accuracy of an installed CEMS. This may involve a simple walkthrough check, observing gauges, valves, temperature settings, etc. or it may involve a complete relative accuracy check. Performing each activity enables the facility owner to evaluate the CEMS performance, and, if need be, perform a higher level of QAQC checks if deficiencies are noted. If QC is not working to expectation, corrective actions or measures that are to be accomplished must be identified for implementation,both to bring a situation under control and to better assure that the situation will not occur again.Guidelines for Rule 218 CEMS QAQC Plan

Consequently, a QAQC plan describes the activities to be used 

### in assessing the validity of installed, certified CEMS. 

### An essential underlying principle of the implementation of the QAQC is that it must provide procedures to identifl, prevent and correct situations that would adversely affect the quality and validity of the CEMS data. Further, it will address steps to modifl those procedures when they fail to accomplish their intended purpose. Two facilities may achieve quality datain different ways. One may chooseto implement a preventative maintenance program that stresses frequent change of a sensor with a new (or re-calibrated) sensor and have spot audits of the system. Another may choose to leave sensors in longer and have frequent calibration checks of all units. The key is that both must have "trigger limits" and procedures 

### in place to, as mentioned above, both correct a data quality problem and modifl the QC to prevent problem from reoccurring in the future.

11. OVERVIEW Quality assurance is a system for integratingthe qualityplanning, assessment and improvement efforts or corrective actions to prove that operations are 

### within desired requirements. Quality control is the system of activities designed and implemented to provide continuous quality data. Hence, quality assurance can be further defined as the system of activities to provide assurance that the quality control system isperforming adequately. QAQC activities involve both routine and periodic evaluation. Historically, these activities have been performed by subject facilities 

### as part of their own quality assurance program. CEMS QAQC activities vary from source to source. It is within a set of certification tests that the CEMS must pass minimum criteria o+a~M&+FdeFfo~-&-d&~. 

### A 9, 

### ME?-- requirements for Rule 

### 218 CEMS certification tests. These initial tests evaluate the performance characteristics of the installed CEMS to standard reference methods. It is the intended purpose of these certification tests to ensure reliable operation of a CEMS once it was installed on the source. The certification requirements in 

### R218.1 provide information concerning the operation of the CEMS as compared to the reference method. As such,the certification test was a quality assessment check of the CEMS. Likewise, the certification testing provided the operator or owner of the CEMS a means of evaluating the system to determine its applicability to that specific source and conditions. Under R218.1 QA provisions, continued periodic quality checks ofthe CEMS after certification is required of the CEMS to be considered "certified".. - Guidelinesfor Rule 218 CEMS QAQC Plan

The intent of R218.1. QA provisions is to require owners of CEMS to evaluate periodically the CEMS precision and accuracy. The rule requires the CEMS owner or operator to develop and implement a quality control program that includes written procedures for key 

### 'CEMS operations and to perform a periodic accuracy assessment of the CEMS. The CEMS data accuracy is determined by a relative accuracy test audit (RATA),using reference methods 

### (RM) as specified in Section

### 4.0 ofAttachment A to this document or 

### in Table 1 ofR218.1 Likewise, R218.1 QA requirement was designed to assess CEMS data precision and accuracy on an established frequency. If, through the audit evaluation, the data becomes questionable, then increased quality control checks are required to be performed on the CEMS until data quality improves to within acceptable limits. Consequently, the responsibility of maintaining the CEMS within an acceptable range is solely upon the responsibility ofthe regulated facility. Quality control involves "those activities which will provide a quality product." R218 is addressing this by requiring sources to develop and implement a source specific CEMS QAQC program. The objective of a source QAQC is to delineate the activities necessary to ensure that CEMS data are complete, representative, precise and accurate. The QAQC provides the framework for implementing quality assurance and quality control activities. QC procedures ensures that the datarequired is precise and accuratewithin established limits and if found outside those limits, provider, procedures for corrective action to bring the system back 

### within limits. Those activitiesthat shouldbe addressedin the QAQC program are: Calibrationtechniquelfiequency; Calibration drift determination and adjustment procedures;

-- -- --- - - 

### ---9----Preventi-ve-maintenance procedures; - Data recording and reportingprocedures; and Program of corrective action for malfimctionsor system failures. The QAQC outlines the QA program using an orderly assembly of management policies, objectives, principles and general procedures for producing data of acceptable quality. Within this QAQC, there may also be one or more quality assurance project, an orderly assembly of detailed and specific procedures by which a facility delineates how it produces quality data for a specific item (i.e., calibration and relative accuracy tests for low level pollutant concentration). Facilities are required to take reasonable steps to monitor and assure i.mplementationof such specific guidelines. Such reasonable steps may includeGuidelinesfor Rule 218 CEMS QAQC Plan

periodic audits, issuance of periodic reminders, implementing training classes, and otherappropriate measures. Steps that a CEMS owner or operator commitsto take to monitor and assure implementationof the specific guidelines are to be set forth in the written plan which constitutebinding requirements under the written plan.

111. OUALITY ASSURANCEIOUALITY CONTROL PROGRAM As stated inthe earlier section, the primary objective of a CEMS QAQC program is to ensure that all data collected and reported are meaningful, precise and accurate within a stated acceptance criteria. The program should be strong enough to ensure strict adherence to all established procedural requirements, but flexible enough to allow continuing evaluation of its adequacy and effectiveness. The objectives,therefore, of a CEMS QAQC program are to: Provideroutine performance ofpersonnel and/or equipment; Provide for prompt detection and correction of conditions that contribute to the collection ofpoor or invalid quality data; and Collect and supply informationnecessary to describe the quality ofthe data. To accomplish the above objectives, a QAQC plan should be developed ,and implemented to containthe following components: Routine training andforevaluationof operators; Routine monitoring of the variables and/or parameters which may have a significant effect on data quality; Development of techniques to detect defects;

-.- - - -- --- - - - ----

### *
-- -Developmentofmethods 

### written-proceduresto-qualifyb; and--- -- -- - -- - --- - Action strategiesto increasethe level ofprecision in the reported data andfor to detect equipment defects or degradation. The development of a QAQCprogram deals not only with daily zerolspan checks, annual audit techniques on precision/accuracy,but also involves the development and implementation of four 

### (4) general categories. They are: Management -The first step in developing a QAQC program is the development of a written policy stating the objectives of QA as part of the management effort. In addition, administrativeprocedures applicable to all measurement systems must be developed. QA reports addressing data quality of each CEMS should be routinely summarized for internalGuidelines for Rule 218 CEMS QAQC Plan

distribution by the QA coordinator. Cost related items should be reviewed and changes made to obtainhigh quality data for the leastcost. Measurement 

### - the second QAQC program development step is the preparation of a QA document that illustrates step-by-step procedures for CEMS start-up and calibration, internal CEMS QA checks (daily, weekly, monthly, etc.), performance audits, system audits, calibration standards certification, data validation, maintenance (non-routine and scheduled) and intra-laboratory quality assessment activities. Documentation

### - a document control system shouldbe an integralpart ofthe QAQC. This involves proper identification and noted revisions of all quality assurance documents associated with the CEMS. All log books should be numbered and identified as part of the document control system. Users should maintain log books to document all QAQC activities associated with the CEMS. The document control system should maintain records on all monitoring equipment (manufacturer's serial number, location), spare parts inventory, all components and their status (repair shop, manufacturer or discarded) and QA audit standards (expiredlrecertified date). A document distribution system should be established 

### in order to provide the latest written procedures to all concernedpersonnel. Statistics

### - datareduction and calculation are necessary to express the data in units of applicable standard. Statistics are essential to any adequate quality assurance program because they provide information concerning CEMS performance (short and long term) and data validity. Corrective action

- -- - -- -- --- - - -- - - begins with sta~iStical-evaluation, -- -. - ------ - -- --- From the statistical evaluation of the CEMS data, charts can be developed. These charts are used to detect long-term trends and establish the control chart so that future data values can be plotted to detect any significant changesfrompast performance.
A source specific QAQC program can be divided into two major functional groups: Quality Assurance and Quality Control. Quality control has historically been defined as "those activities which will provide a quality product", whereas quality assurance is "the system of activities to provide assurance that the quality control program is performing adequately." Quality control involves routine--- Guidelinesfor Rule 218 CEMS QAQC Plan

checks included in normal internalprocedures. Quality assurance may be viewed as "external" quality control involving system audits, statistical evaluations and other functions which are outside the normal routine functions. The purpose of developing and implementing a CEMS QAQC is: 

### (1) to assure acceptable precise CEMS data quality, and 

### (2) to assure acceptable CEMS data recovery and system operating availability. QAQC requirementsnot only define data precision, accuracy, and system availability goals, but also specify that comprehensive operation and maintenance (O&M) program, and, QA audits and measurements to be conducted. 

## . A QC program defining CEMS calibration, maintenance, and corrective action must also be developed. The requirements further stipulate corrective action and alternative measurement methods when the QA checks indicatethat the CEMS QAQC and availabilitygoals arenot achieved Documentation of all phases of a company's QAQC is required. Included are all QA, QC, O&M, and recordkeeping and reporting activities. The QAQC should also address other activities such as certification testing, QAQC organization, and personnel responsibilities. A standard operating procedures (SOP) manual defining all activities, responsibilities, communication, and documentation procedures should be developed to serve as the working reference of the QAQC. After a QAQC is written and implemented, procedures within the plan should point our necessary corrective action which, 

### in effect, revises the plan. This would provide an on-going corrective action system.
QAQC 

## - A WRITTEN PLAN A written QAQC plan isnecessary to implement quality assurance in a consistent and logical manner and identify problem areas. The plan is a living documentthat must be continuallyupdated as often asneeded and the updated orrevised portions are tobe submittedto the District for review and approval. It should be readily accessible, available and current. The plan must have the following information onthe cover for identification: Document Title Source Test IDNumber Facility Name, ID Number and Address Name ofDesignated Representative, Title and TelephoneNumber Plan Coverage Approval Date Revision Date-. Guidelines for Rule 218 CEMS QAQC Plan



### At a minimum, the following elementsmust be addressedinthe QAQC: Quality assurancepolicy statement Detailed CEMS description Organization and responsibility Perso~lnel qualificationsand training Document control Data quality objectives Certification requirements Preventive maintenanceprocedures and schedules Calibration of monitors 

### and sensorswith procedures and schedules Data recording, calculationsand reportingprocedure Data validation procedures Data quality assessmentprocedures and specifications Corrective action to be taken Quality reports to management As discussed earlier, a CEMS QAQC program involves a written document containing all aspects of the CEMS program. It defines organization and responsibility, QAQC activities, maintenance and corrective action procedures and other activities associated with the complete CEMS program. A typical outline of a document addressing aspects of CEMS QAQC is illustrated in Figure 1

### and the sections are briefly discussed below. 

### 1.0 Introduction The introduction contains language affirming corporate policy to operate and maintain its facilities in strict adherence to all applicable environmental rules and regulations. Likewise, a commitment to obtaining all data to demonstrate necessary activities dealing with the CEMS arebeing performed to ensure that all emission measurements are of high quality. The written plan, in addition to a list of distribution, also contains a document control indexing system that tracks changes from the original QAQC document to subsequent revisions to assure that all staffare using the same and current version of a procedure. Each page is labeled an indexing information. The following is an example of a document control system: SectionNo. Date Page No. Revision No. Revision Date- - Guidelinesfor Rule 218 CEMS QAQC Plan



### Figure 1 RULE 218 CEMS QUALITYASSURANCEIQUALITYCONTROLPLAN (SAMPLE OUTLINE) 1.0 Introduction 2.0 Quality Assurance Quality Control Overview 2.1 Data Quality Objectives 2.2 Document Control 2.3 General Facility Description 2.4 Equipment and ProcessDescription 3.0 Organization and Personnel Responsibility 3.1 Organizationand Program Management 3.2 Personnel Qualificationsand Responsibilities 3.3 QAQC Responsibilities 4.0 Continuous Emission Monitoring System (CEMS)Description 4.1 General Description and Measurement Principle 4.2 CEMS Component Descriptions 5.0 Data Handling, Validation and Reporting 5.1 Data Handling and StatisticalAnalysis 5.2 Control Charts 5.3 Data Validation Criteria 5.4 Data Reporting 5.5 Data Forms 6.0 Operation and MaintenanceProgram 6.1 Routine Maintenance 6.2 Preventive Maintenance 6.3 Spare Parts Inventory 6.4 Maintenance Documentation 7.0 Quality Assurance Audits 7.1

. 

### Daily CalibrationTest 7.2 RelativeAccuracy Test Audits 7.3 SystemBias Test 7.4 Other Quality AssuranceAudit Activities 8.0 Recordkeepingand ReportingRequirements 8.1 Quality Reportsto Management 9.0 Corrective Actions 9.1 Periods of CEMS FailureGuidelinesfor Rule218 CEMS QAQC Plan 

### ( .,-. 2.0 Oualitv Assurance and Qualitv Control Overview Provide a quality assurancepolicy statement including the purpose and coverage of the QAQC. The QA policy statement sets the framework within which the QAQC program is developed and implemented. It must emphasize the requirements and activities needed to ensure that all data obtained are of known quality. Data quality objectives show what needs to be accomplished in order to achieve good and acceptable quality data. To administer QAQC program, the following data quality objectivesmust be written and availableto all individuals involved in the activities that affect the quality of the data. Data quality objectives must be sufficient to meet the completeness, accuracy, precision and timeliness requirementsofRule 

### 21 8. Completeness 

## - Data is considered to be complete if the percent valid data

acquisitionrequirement is met. Precision 

### - The difference between the measured value and the measured

average must be minimal. Accuracy 

### - Data must be unbiased, where there is minimal difference

between the true value and the measured average. Comparability 

### - To compare data, all data should be corrected to the same

standard conditions of temperature and pressure and should be in consistent units. Representativeness 

### - The data must be representative of the operating

conditions includingload, time-of operation, and fuel and process materials. Timeliness

## - Data shouldbe current and reported in a timely manner. Describe the facility and its general operation. List the sources and CEMS covered by this QAQC, including the specific description of the process, the basic equipment and control (as applicable) being served by the each CEMS, identifying each CEMS associated with each source, including District device number. Also provide a map of the facility showing the location of sources, location of all monitors and sensors that are apart ofthe CEMS.



### 3.0 Organizationand Personnel Responsibility The facility QAQC provides an overview of the overall management and operational organization for CEMS operation. The personnel responsible for managing the CEMS program including those responsible for quality assurance coordination should be identified in the plan. Designate a representative who has-. Guidelinesfor Rule 218 CEMS QAQC Plan

authority and responsibility to ensure that the data submitted to the District is accurate and ofknown quality. However, the authorized representative should not be directly involved or related to the maintenance of the monitoring system in order to maintain an objective viewpoint. The plan should also speci@ any other responsibilities and authority ofthe quality assurance coordinator. Historically, the management of QAQC programs has incorporated, at a 

### minimum, three organizational levels. Level I, Manager of Environmental Engineering, is responsible forthe implementation of and continued support tothe QAQC program. Company QA policy, administrative support, local assistance, development of strategies, system analysis, promulgation of permit requirements and interface between source and regulatory agencies are some of the other functions of Level I. Level 11, Quality Assurance Coordinator, is responsible for the implementation of QAQC program. The QA coordinator develops and carries out the QC Programs, including statistical procedures and techniques, which will help the facility meet Rule requirements. 

### In addition, the QA coordinator schedules and performs nonroutine audits and quarterly audits, evaluates new QA procedures for applicability, evaluates data quality and maintains related QC charts and records. It is the QA coordinator's responsibility to respond to QC problems and coordinate those activities with Level I. In addition, the QA coordinator schedules and performs non-routine audits and quarterly audits, evaluates new QA procedures for applicability, evaluates data quality and maintains related quality control charts and records. It isthe QA coordinator's responsibility to respond to quality control problems and coordinate those activities with Level I. In addition, the QA coordinator prepares periodic reports to summarize elements and this information is then submitted to Level I, Manager ofEnvironmental Engineering, for approval and distribution. The elements are as follows: Reliability of the CEMS and its components; Quality of data generated; CEMS problem areas; Corrective actions taken and their results; and Quarterly excess emission reports. Level 111 involves the CEM operator who ensures that good quality data is obtained from the CEM system. Daily quality assurance zero and span checks with associated documentation, preventative maintenance procedures, sample collection, and data reporting all fall within the responsibility of the CEM operator.. . - - . -- . ---- Guidelines for Rule 218 CEMS QAQC Plan


### i 

# -- Table 

### 2.0 summarizes the quality assurance elements associated with each level of responsibility. A key element to the successful implementation of the CEMS QAQC plan is the organization of personnel and activities, such that a QAQC should also contain a table identifying CEMS program participants, name, title, address and telephone number along with responsibilities. 

### An example is given in Figure 2. Table 

### 1 RESPONSIBILITIES OF LEVELS I, 11,

### AND I11 

### IN A SOURCE QAQC PROGRAM

In addition, Standard Operating Procedures (SOP) manual should define all QAQC, maintenance, data reduction, documentation (recordkeeping), and communication activity responsibilities and identify the personnel (by job category and by name) assignedeach of these responsibilities. Personnel involved in the operation, maintenance, repair (if on site) and calibration of the CEMS must be identified along with each person's qualifications, training, experience and scope of duties. Training schedulesand training needs for each individual should also be identified. 

### Level 

### I and 

### Level 

### I1

Supervisor and QA Coordinator Document Control/Revisions; QA Policy & Objective; Organization; Quality Planning; Training; Quality Cost; Interlaboratory Testing; Audit Procedures; Data Validation ;and Quality Reports to Management

If all or part of the operation, maintenance, data quality assessment is contracted out, provide a list of individuals involved and their qualifications from the contracting company and the training history and the training policy of the contracting company. I 

### .- Level 

### I1 andLevel 

### I11 

# I Level 

### I11 Supervisorand Operator Operator CorrectiveAction; and Procurement Quality Control Preventive Maintenance; Data Reporting; Calibration;and Document Controli b~lidelines for Rule 218 CEMS QAQC Plan 

## f Figure 2 CEMS QAQC PROGRAM PARTICIPANTS & RESPONSIBILITIES (SAMPLE)

- Level 11

12

1,

111

112

111 Plant Manager

Plant Operations Supervisor

Environmental Engineering

CEM Supervisor

CEM-QA Coordinator

CEM Instrument Specialist John E. Mission Comply Manufacturing Co. Diamond Bar, CA (909)396-0000 (ext. 2267) Steve Source Clean Utility Co. Diamond Bar, CA (909)396-0000 (ext. 2243) Ram Monitor Comply Manufacturing Co. Diamond Bar, CA (909) 396-0000 (ext. 2229) Roy Exact Comply Manufacturing Co. Diamond Bar, CA (909)396-0000 (ext. 2268) Tom Compute Comply Manufacturing Co. Diamond Bar, CA (909)396-0000 (ext. 2270) - KarinW. Process Comply Manufacturing Co. Diamond Bar, CA (909)396-0000 (ext. 2281) Responsible for total plant operation

Data review & verification Maintain compliance status (modify operations if necessary)
Ensures compliancewith environmental regulations Directs activities over engineering department, including implementation of QA program Responsiblefor all operation & maintenance activities for installed CEMs Responsible for implementation of the QAS Program May also be responsible for Quality Assurance activities Responsiblefor all QA source activities associatedwith the CEM program Implements & performsweekly, monthly, & quarterly QA checks CEMS maintenance &-calibration Maintain instrument logs Report instrument- --- Guidelines for Rule 218 CEMS QAQC Plan

A matrix of all personnel and activities associatedwith each major element ofthe plan (O&M, QAQC, data reduction) shouldbe prepared. Within this matrix, each individual activity should have associated documentation and communication responsibility defining what information is to be documented, where it will be filed, and who must be informed, verbally or in writing, of the results of the activity. The mechanisms, which initiate each activity, should be identified within the matrix as scheduled, as well as within the malfunction mechanisms. The frequency of scheduled activities such as preventative maintenance and QA audits should be specified. Malfunction initiated activities such as repair maintenance, QA audits following maintenance, and operating alternative measurement methods should be ordered or requested. The requesting person or organization should be specified within the matrix. In addition, flow charts should be constructedindicating "flow" of informationbetween individuals within the CEM program


### 4.0 CEMS Description Provide both a description of the CEMS and the measurementprinciple involved for each analyzer. Also, provide a complete detailed description of each major component of the CEMS, including the model number and serial number. The serial numbers for CEMS equipment will be limited to the major subsystems such as: sample interface and conditioning, individual pollutant and diluent analyzers, in-stack flow monitors, data acquisition system and chart recorders. Specifically not required are serial numbers for transducers associated with fuel flow transmitters that are a part of the facilityprocess equipment. The flow transmitter serial number itself should be included as part of the CEMS. Furthermore, describe the sample probe and its location, the sampling interface, heated sample line, condenser 

### , metering systems, data acquisition system and/or chart recorders Provide sample calculations and/or algorithm, including all constants and parameters. All testing and analyticalmethods associated with the CEMS data generation must be identified and described.


### 5.0 Data Handling;,Validation and Reverting, The criteria for CEMS invalid data are addressed in Rule 

### 218 and are defined in relation to two CEMS conditions: system failure and shutdown. Excessive span drifts and errors in relative accuracy are cited as causes ofCEMS in system failure or shutdown. Accordingly, the QAQC should provide for identification of these criteria. Many CEMS and data recording systems incorporate aids to data validation such as flagging operational parameters, and, CEMS calibrations flagged items daily for reasonableness and communicate with the quality- ---- ..-- . - - - - - - - - . - - - - - - - - - - - Guidelines for Rule 218 CEMS QAQC Plan assurance coordinator on questionable items. Control charts for CEMS calibration should validate CEMS pollutant results and should be checked weekly by the QA coordinator. Describe the mechanism that allows any or all of these functions, as applicable. Describe the proceduresused to validate data from CEMS to assure that only data ofknown and acceptable quality remain in the Rule 21

### 8 database at the end of each reporting quarter and at the end of eachreporting year. Include validation of the correct use of generating alternative monitoring data and/or data calculations in lieu ofmissing data. Describe the procedure and documentation submittals for invalidating data and substitution of valid data alternatives. To validate the Data Acquisition System @AS) calculationsofresults, 10%ofthe first month's strip chart CEMS data should be reviewed and evaluated. 

### If the results compare within 

### 3% of the DAS, the DAS should be considered correct. On a continuing basis, 5% to 10%of the overall data output of each CEM system shouldbe evaluatedinthis manner. Describe how you will record and tabulate all calibration error test data according to the month, day, clock-hour and magnitude in ppm, DSCFH and/or percent volume, 

### as it applies. Set or program monitors that automatically adjust data to the calibrated corrected calibration values (for example, microprocessor control)

.. to record either the unadjusted concentration or flow rate measured in the calibration error test prior to resetting the.calibration 

### ,or, the magnitude of any adjustment. Record my applicable flow monitor interference check data such as sample linelsensingport pluggage.



### 6.0 Operation and Maintenance Program A comprehensive operation and maintenance (O&M) program coupled with routine QA checks are vital elements of a successful CEMS program. They provide the necessary documentation to evaluate the precision, accuracy and representativeness of the source measurement system. The gathering and processing of invalid data is historically coupled with improper operation and/or lack of maintenance of CEMS. This, in 

### turn, leadsto excessive CEMS downtime. Under Rule 218, CEMS availability percentage is 95 percent, as a specified minimum valid data capture requirement. Consequently, a well documented O&M and QAQCprogram serves both industry andregulatory agencies. The appropriate procedures for O&M and QAQC program are CEMS-specific and site-specific. The program should include the followingbasic elements: Documentation of instrument system operating parameters using standardized forms and control charts; Daily zero and span calibration checks for confirming that the instrument calibrations are maintained wihncontrol limits;---- - - - .- - . - - .- -
.- - - Guidelines for Rule 218 CEMS QAQC Plan Validation of data reduction process from raw data collection through reporting; Determination ofthe accuracy and precision ofcollected data; Performance of quarterly independent audits; and Documentation involving CEMS log book for routine entry and routinelmajor maintenance entries. Appropriate quality assurance checks must be CEMS specific and source specific. Documentation should involve a step-by-step approach to the daily quality assurance checks with instructions for action to be taken if the appropriate response is not obtained. At a minimum, routine quality assurance checks should address the following topics: Set ofprocedures for CEMS specific daily zerolspan function; Guidance for corrective action; Control charts; and Documentation involving CEMS log book for routine entry and routinelmajor maintenance entries. Figure 

### 3 is a sample form illustrating a CEMS trouble reportlwork request. The same individual who performs the daily zerolspan checks should be responsible for routine adjustments to the CEMS when discrepancies are noted. Long-term CEMS performance should determine the appropriate frequency of various QC activities. Adequate records must be maintained to document these activities.



### 6.1 Routine Maintenance Periodic checks of the CEMS and its operation are mandatory. Even though a system may provide excellent quality data initially, without routine maintenance and system checks,the quality of the data will undoubtedly degenerate with time. Maintenance checklists are one of the tools management can use to ensure that the proper preventive maintenance is being completed. The checklist should provide a place to record all settings and indicators ofproper operation, indicate the items to be checked and provide a place to document repairs and replacement of parts. The checklist should list daily, weekly and monthly checks of various maintenance items, and it should be CEMS specific because each system will require slightly different gauge settings and meter readings for proper operation. The proper recording ofmaintenance items provides a history to correlate outages and potential problem areas. Figure 4 illustrates an example of a CEMS QAQC maintenancetimetable.- -. . -- . - . - Guidelines for Rule 218 CEMS QAQC Plan 6.2 Preventive Maintenance Themaintenance program sectionofa QAQC plan should contain the following: A concise, simplified trouble shooting guide and diagnostic chart to assist operators in identifyingCEMS problems; Established verbal and written lines of communication to assure prompt notification

. to maintenance,

.physical plant and environmental management of CEMS operating problems; A maintenance request form with routing priority assignment, and job completion follow-up and failing to assure management awareness of CEMS operational status; An on-going training program to ensure that the maintenance staff is technically capable of instrument repair; Develop a spare parts inventory and stock replenishment program based on suppliers' recommendations and available information on likely modes offailure; and Review major repair and parts supply service available from vendors, parts distributors,repair centers,etc. and implementthe best available. The QAQC must describe the facility CEMS preventive maintenance procedures and associated operational inspections. It must provide for an adequate maintenance and inspection schedule for all major components of CEMS, including but not limited to, monitors and sensors, environmental enclosures, the sample acquisition, conditioning and handling system, and the data acquisition and recording system. Manufacturer's maintenance specifications alone may not be sufficient to assure data quality under Rule 218, and is a part of the over all assessment of need. The QAQC should incorporate by reference manufacturer's instrument operation and repair manuals if they are used in conjunction with the facility QAQC; and such manuals are to be kept on site at all times. Also identify how system downtime will be minimized dueto maintenance and repair activities. CEMS parts that are routinelyreplaced shouldbe listed. The QAQC must include a detailed description of how the calibration of the CEMS pollutant and diluent monitors is conducted, including the equipment used and schematic flow diagram. (At the facility's option, this may be covered in the Data Quality Assessment section of the QAQC.) 

### Any corrections to the CEMS zero and/or span settings after a calibration check must be recorded by the system in some manner such that the adjustmentscan be observed through inspection.---
. ---- - -. - --- . - - - - - - - - - - - -- - - - Guidel~nes for Rule 218 CEMS QAQC Plan

FIGURE 3 CEMS TroubleReportJWork Request Form (SAMPLEFORM)

Level 3 Safetv ? (UseBall PointPen Press Firmly)



## I Shut Down Area Operations ? 

## I Authorized Signature Date 

## I TR No. To: Priority

Summary

. 

## I

Requestor Name/Sign-off Supv

Account Number

Maintenance Signature Date Dept. Mgr Section Signature Date- - - - .- - --- - - - - - . - - - - - .- . - - . - -- - - - - - - - - - .- Guidelines for Rule 218 CEMS QAQC Plan

Figure 4 

### QAQC PROGRAM CEMS MAINTENANCETIMETABLE (SAMPLE

Zerolspan check & adjustment (internal Cleanwindows; inspectair filters; verify operation of motors & blowers Zerolfull-scale check of chart recorders Check optical alignment

cell Daily Twice Weekly Weekly

Electronics check (including optical path length ratio) Opacity calibrationwith neutral density filters SO, calibration with certified gas cells Operations Supervisor & Instrument Foreman InstrumentSpecialist Instrument Specialist Weekly

CorporateAudit Opacity audit Review plant records Additional preventive maintenance checks : Inspect power supply box mounted beiow analyzer Check power supplies for correct voltages & filtering Check CO, detector for correct temperature Instrument Specialist Monthly Monthly Quarterly

Orsat analysis (CO,)



### inspect source & analyzer optics for dust build up & general Instrument Specialist Instrument Specialist Instrument Specialist

Quarterly Quarterly

Semi-Annually InstrumentSpecialist Assistant Program Manager
InstrumentSpecialist

condition Certification of SO, gas cells & neutral density filters QAIQC Plan updates Every two Instrument Foreman years As-needed Assistant Program Manager..- -- - -- .- -- - - - . - - - - --- Guidelines for Rule 218 CEMS QAQC Plan



### 6.3 SpareParts Inventory Provide a list of spare parts and where they are stored. Minor or "wear" parts are usually kept in the CEMS station storage and may be retrieved immediately whenever necessary. Major parts are normally requested following company purchasing procedures if not available in a central warehouse. Generally, spare parts are availablethough CEMS local suppliersor manufacturers. As mentioned above, a spare parts inventory and stock replenishment program based on suppliers' recommendations and available information on likely modes of failure will be very helpful in sustaining CEMSuptime. 

### 6.4 Maintenance Documentation The QAQC should include example formsused inrecordingmaintenance and inspection activities. They should be maintained at the facility in an easily retrievable and reviewable form, such asin a binder for each CEMS. Also include problem communication forms, such as, work order forms, alert forms and maintenance request forms. Unannounced self inspections and audits of maintenance and repair records and activities are one means of assuring that these aspects of the QAQC are being implemented. It is highly recommended that such audits be conducted by personnel not involved in the daily CEMS operation orthe CEMS QC functions.


### 7.0 Oualitv Assurance Audits and QualitvControl Activities The data quality assessment activities determine the effectiveness of a QC program and provide quantitative information on data quality (accuracy, precision, valid data return). They are also the keys upon which the corrective action activities are based. The results of data quality assessment must feed back into modifying QC andlor QA activities to assure that data quality objectives are being met. 

### 7.1 Quality Assurance Audits Quality assurance audits are independent checks made by the auditor to evaluate the quality of data generated by the CEMS (sample collection, sample analysis and data processing). These audits are performed independent from and in additionto normal quality control... . . ... . . _ __ _ _ ._ ............. . - -
. ... . .. . ....-.. Guidelinesfor Rule 218 CEMS QAQC Plan



### 7.1.1Annual RelativeAccuracy Test Audit (RATA) RATA must be conducted on each CEMS for pollutant concentration, diluent concentration, volumetric stack flowrate andor pollutant mass emissions, as applicable, annually. Provide the RATA schedule for each monitor, volumetric flow measurement systems, and emission rate measurement system. RATA must be performed by a testing 

### firm approved by the District Laboratory Approval Program 

### (LAP). Submitprotocol 30 days prior to the test date. However, as long asthere are no changes to the equipment,process or testing contractor 

### , the earlier protocol may be referenced. RATA results and supporting documents must be submitted to the District within 45 days after the test 

### in a written report form. Refer to Attachment B 

### - Supplement Requirements for CEMS Certification Testing for detailsonprotocol, test and reportrequirements. 7.1.2 Cylinder Gas Audit (CGA) CGA must be conductedonce every quarter,

### in three of four calendarquarters, but 

### in no more that three quarters 

### in succession. 'The procedures and specifications must be accordingto the provisions of40CFR60,Appendix F

7.2 

### Quality Control Activities 7.2.1 SystemBias Test A system bias test must be performed annually in conjunction with RATA or at time of replacement of specific parts of CEMS as specified 

### in the technical guidance document for modifications.

7.2.2 Daily Calibration Error Test Each unit operating day the CEMS must perform a calibration error'test. The QAQC must describe how the calibration error test for the monitors will be performed, including,but not limited to, the type and concentration of calibration gases used and how they are injected, and calculation of the calibration error. It must also identify calibration error test procedures specific to the CEMS that have multiple ranges, as 

### applicable.. Any differences between these procedures and the CEMS calibration procedures need to be identified, as well as those that-.-.-- -- - - - - Guidelinesfor Rule 218 CEMSQAQC Plan

might be different fiom the proceduresused during certification. If the calibration error check is done in conjunction with normal CEMS calibration, the QAQC must describe how the calibration error is integrated into any calibration adjustments. The QAQC must provide a CEMS specific description ofhowpollutant and diluent concentrationmonitors are designed and equippedfor the daily calibration error check. Thetype of system (extractive, dilution type and in-situ) may have a bearing on how the calibrationerror test will be conducted,andthis alsomust be addressed in the QAQC.
7.2.3 NO2 toNO Converter Efficiency Check The converter check isto be done at certification and during every RATA, and the results submitted to the District. The facility will designate a lower acceptable efficiency for their system and a trigger level where corrective action will take place in an on-going preventative maintenance program. Describe how the.NOx - converter efficiency will be determined. (See Attachment 

### C.)

7.2.4 halyzerTemperatureStability Information that the temperature of the analyzers does not exceed their manufacturer's operating specification is requiredupon certification. This may be instrument and environmentally controlled enclosure coolingheating capacity versus calculated heat load on a typical hot day or actual higMow temperature measurements or other equivalent alternative. The facility will designate the preventative maintenance and corrective action steps it will take to ensure acceptable "climate control" forthe analyzers.

7.2.5 Sample ConditioningSystem Exit Gas TemperatureMonitoring A verification of the effectiveness of the moisture removal system in reducing water content ofthe sample gas to an acceptable level is done at certification. The facility will designate the preventative maintenance and corrective action steps it will take to identify and correct moisture problems. The facility will also identify to what extent the moisture is a potential problem for their analyzers relative to interference.- . -- - ------ Guidelines for Rule 218 CEMS QAQC Plan



### 7.2.6Linearity Error Check A three-point linearity check isrequired for initial certification. For the long-term assessment of linearity (and indirectly, system bias), the QAQC must address linearity error check asrequired and performed during 

### annual RATA.



### 8.0 Recordkeeping and Reporting Rule 

### 218 requires that a quarterly report be submitted to the District. Unless otherwise specified by permitting or enforcement sections, the report is a summary of all CEMS data such as concentration, flow, emission rates (as applicable), calculation, shutdown, system failure, calibration, maintenance and repair information among others. Activities for each CEMS, including associated sensors, must be documented in a logbook using indelible 

### ink. Activities include, but are not limited to, preventive maintenance, unusual occurrences, repairs and replacements ofparts, and failures. Each log must be signed and must include the date, the time and a description of the activity. Provide sample pages of the logbooks in the QAQC Plan. As part of a QAQC program, the following CEMS associated records should be maintained:

e CEMS Logbook 

### - an instrument logbook shouldbe maintained at the CEMS site by the Instrument Specialist. All activities related to the CEMS (maintenance, calibration, shutdown, etc.) should be recorded on the logbook form, as illustrated in Figure 

### 5.. Each entry in the logbook should include the date, a brief description of the activity, and the individual's initials. If corrective action is needed, then the operator completes a CEMS Problem CommunicationMemo. A samplememo form is in Figure 

### 6. This is then submitted to the CEM QA Coordinator or the CEM Supervisor for corrective action. The CEM QA Coordinator should maintain these records chronologically. This provides documentation on when a problem was first detected and the need for corrective action to resolve the problem. It is highly recommended that a separate log book be available for use for each of the following: calibration standards, laboratory results, excess emissions, daily and periodic audits,procurementand maintenancelrepair. Calibration Forms 

### - unless automatically or electronically stored, each time a calibration is performed the operator completes the Precision Calculation-- -- .- - . -
.

. - - . .--. - -- - - - -- - - - - - - -
. - - - - -- - - Guidelinesfor Rule 218 CEMS QAQC Plan

Form (refer to Table 

### 8 for a sampleofthis form). The form documentswhen calibrations are conducted and whether adjustments were made. The completed form is submitted to the CEM QA Coordinator who maintains a chronological record ofthe forms.

a Precision Assessment Forms

## - an assessmentof the CEMS precision is made by the CEM QA Coordinator each quarter (refer to Table 

### 9). The precision calculations are performed using the form shown in Table 

### 8. The completed forms should be maintained by the CEM Supervisor and available for review.

Audit Forms 

### - as discussed earlier, a corporate self-audit should be conducted quarterly by the CEM QA Coordinator. Records of the quarterly audits should be maintained at the corporate offices by the Assistant Program Manager. The audit records would include the accuracy calculation forms and any notes or comments about the audit.

a Strip Charts and Computer Printouts 

## - all information regarding CEMS continuous activity are permanently recorded on strip charts andor computer data storage. Zero and span calibrations, converter checks, audits, adjustments, time and duration of CEMS failure and downtime (or uptime) including the measured levels of concentration (andormass emission rates) are some of the information that are recorded and stored that may prove invaluable when necessary data are sought. Keep copies of written reports received fiomtesting firms/laboratoriesof procedures and details specific to the installed CEMS that were to be used by the LAP approved testing laboratories for RATA, such as sampling and analysis methods.- - - - - - - - . . - -- .- --
. - . - -.. Guidelines for Rule 218 CEMS QAQC Plan
Figure 5 CONTINUOUS EMISSION MONITORING SYSTEM LOGBOOK (SAMPLE)-- . -- - .-- Guidelinesfor Rule 218 CEMS QAQC Plan
Figure 6 CEMS PROBLEM COMMUNICATION MEMO (SAMPLE) From: To: Date: 

### Problem Definition and Recommendation

Signed

Corrective Action Taken

Completion Date SignedGuidelinesfor Rule 218 CEMS QAQC Plan



### 8.1.1 Quality Reports to Management The QAQC will also identify what reports are routinely sent to management regarding the quality of the data fiomthe CEMS. Such reports are typically prepared quarterly. Examples of quality reports are: Data Quality Assessment Reports 

### - summarizetheprecision, accuracy, system uptime, percent valid data (refer to Figure 

### 8 for a sample form) Performance and System Audit Reports 

### - summarizes the audit and present the results to the auditee with recommendations for corrective action Data Validation Report 

### - includes the number 'of values flagged as questionable, the result of follow-up investigations of these anomalies, the final number of data values .rejected or corrected as a result of the procedure, corrective action recommended, and effectiveness of the data validation procedures Quality Cost Report 

## - summarizes costs of prevention, appraisal and correction Instrument or Equipment Downtime 

### - records equipment performance 

### in terms of failures, cause of failures,repair time and total downtime. All management reports concerningthe quality of CEMS data shall be maintahed on site for inspection. Examples of routine reports for the facility must be included 

### as attachmentsto the QAQC.



### 8.1.2 CEMS Report to the District 

### R218 requires CEMS operators to submit a summary of CEMS data and information once every quarter. Refer to 

### R21 Section 

## (0 for CEMS reporting requirements.,- Guldr 

## p for Rule218 CEMS QAQC Plan 

### Figure 7 PRECISION CALCULATION FORM (SAMPLE)



### Period Parameter Draftfor Rule 218 CEMS QAQC Plan 

## i Figure 

### 8 DATA ASSESSMENT REPORT (DAR) CONTINUOUS EMISSION MONITORING SYSTEMICEMS) (SAMPLE FORM) Period Ending Date Year General Information Co~npany Name Plant Name Source Unit No. Monitor Location Mon~tor TypeIModel No. Monitor SerialNo. Quality Assessment 2.1 Precision ([or each month in quarter) 2.1.1 Month of Quarter I 2 3 2.1.2 95 Percent Probability Limit 2.1.2.1 Upper (UPL) 2.1.2.2 Lower (LPL) Accuracy (fill in either 3.1 or 3.2) 3.1 Relative Accuracy Audit (RAA) 3.1.1 Date ofAudit 3.1.2 Reference Method (RM) 3.1.3 Average RM Value 3.1.4 Absolute Value ofMean Difference (d 

### I 3.1.5 Absolute Value of Confidence Coefficient 

### ICC

### I 3.1.6 Relative Accuracy (RA), percent Audit Point I (low conc.) Audit Point 2 (high conc.) 3.2 Calibration Error (CE) 3.2.1 Date ofAudit 3.2.2 Cylinder ID# 3.2.3 Cylinder Certification Date 3.2.4 Certification Method 3.2.5 CylinderConcentration 3.2.6 Monitor Response -- 3.2.7 Difference, percent -- Corrective Action 4.1 Excessive Span Drift 4.1.1 No. of Times Monitor was "Out-of-Control" 4.1.2 CorrectiveAction Taken 4.1.3 Results ofAudit after Corrective Action 4.2 Excessive Inaccuracy 4.2.1 CorrectiveAction Taken 4.2.2 Results ofAudit after Corrective Authority 5.1 Name 5.2 Title 5.3 Address 5.4 Telephone No. 5.5 SignatureGuidelinesfor Rule 218 CEMS QAQC Plan



### 9.0 Corrective Actions Describe the mechanisms to be used when corrective actions are necessary. Activities that may initiate corrective action include unacceptable performance and system audits, failure to adhere to a QAQC program, and failure to adhere to standard operating procedures.Figure 9 is a sample formregarding CEMS QAQC activities, the purpose of such activity, the limits and the general corrective action whenever the limits are exceeded. It is highly recommended to provide a tabulated summary for the last two years of all calibrationresults and other QAQC activities

### in order to note degradation of component performance that may lead to system failure. This information may be used as a basis for extendingperiodic maintenance schedules. In addition to the periods of system failuresbelow, define other system failures or outof-control situations and describe what mechanisms are in place to assure that system failure situations are addressed in a timely manner. Also, explain how any CEMS which is deemed out-of-control or any CEMS system failure will be corrected, retested by the appropriate audit procedure, and restored to in-control status within 24 hours after being deemed in system failure. It is suggested that if the CEMS is not in control at the end of the 24-hour period, explain how concentration or emission data will be gathered or calculated. 9.1 Periods of CEMS Failure 9.1.1. Daily Calibration Error Check A pollutant concentration monitor is in system failure, or out-of-control, when the calibration error exceeds 5%, 

### and a diluentconcentration monitor is in failure when the calibration error exceeds 1.0% absolute. Data substitution is required during periods when a system failure occurs. The QAQC shall describe the procedure as to how system failure periods will be flagged to the operator, corrected and recorded. In addition, performance criteria must be identified such that if system failure periods exceed the criteria, then corrective actionbeyond the adjustment of span or zero will be taken.Guideline /r Rule218 CEMS QAQC Plan 1 

# I I Figure 9

Relative Accul.acy

Cylinder

# as Check-1 (SinglePoint Cylinder Gas Check

### -2 (Multipoint) System Appraisal

Walkthrough Check CEMS QAlQC ACTIVITIES on PRECISION & ACCURACY (SAMPLE FORM)



### Assess relative accuracy

Assess calibration error Assess response time

Assess calibration error

Assess linearity error

Assess general condition of gas monitoring systems . ..

. ; :<

... .

, . 

### k 20% 

### 1. CEM O&M grouprepairs as required. 

### 2. CEM Data Service evaluates effect on data. 3. 

### CEM QA group performsrepeat audit (RAA) after corrective action.

correctiveaction. 

### k2.5 % 

### 5 minutes 1. CEM O&M group repairs asrequired. 

### 2. CEM Data Service evaluates effect on data. 3. 

### CEM QA group performsrepeat audit after

corrective action. 

### 1. CEM O&M group repairs as required. 

### 2. CEM Data Services evaluates effect on data. 

### 3. CEM QA group performsrepeat audit after 

# +2.5% 1. CEM O&M group repairs as required. 

### 2. CEM Data Services evaluates effect on data. 3. 

### CEM QA group performs repeat audit after



### NOreadily corrective action. 1. CEM QA Coordinator establishesneed for & 

### apparent

. 

### problems implements appropriate correction action. 

### 2. 

### CEM QA 

### Coordinator may initiate another appropriate audit.Guidelines for Rule 218 CEMS QAQC Plan



### A pollutant concentration'monitor is out-of-control when the RATA exceeds 20% RA. A diluent monitor is in system failure or out-of-control when the RATA exceeds 20% or 1.0% absolute. Data substitution is required during periods when an analyzer is out-ofcontrol. The QAQC must describe the procedure as to how periods of out-of-control or systemfailure will be flagged to the operator,corrected and recorded. 9.1.3 System Bias Test The CEMS system bias must not exceed 5.0 percent of the full span range for pollutant analyzers. Since sample system bias can be a cause of drift aside from many other possibilities, QAQC must address the criteria for excessive drift, such as control limits on cumulativedrift, including the appropriate diagnostic techniques to identify the sources of the analyzer drift and system bias when controllimits are exceeded.

V. LIST OF REFERENCES

### AND SOURCEMATERIALS A Quality Assurance Perspective, Midwest Research Institute, 1996 Code of

### Federal Regulations, Title 40, Part 60, Appendix B and Appendix F 

# -- Draft GuidanceDocument for RECLAIM CEMS QA Plan, SCAQMD, 1996 Initial Certification/Modification

### of ContinuousEmissionMonitoring Systems, Supplementsto Certification Tests, SCAQMD, 1994 Quality AssuranceHandbook for Air Pollution Measurement Systems, Volume I, USEPA, March 1976,EPA-60019-76-005 Quality ControlHandbook, Third Edition, J.M. Juran, McGrawhill Book Company, 1979

VI. ATTACHMENTS ATTACHMEl'JT A 

## - REQUIREMENTSFOR RULE 218CEMS CERTIFICATIONTESTING ATTACHMENT 

### B 

### - SUPPLEMENTFOR CEMS CERTIFICATION TESTING ATTACHMENT C

## -NO2TO NO CONVERSIONTEST PROCEDURE ATTACHMENT D 

### - ANALYZERENVIRONMENTAL ENCLOSURE ATTACHMENTE 

## - FUEL FLOW MONITORS RELATIVE ACCURACY TEST

'-

## Requirementsfor Rule 

## 218 Continuous Emission Monitoring System CertificationTesting

Note: This attachment is a modified version ofa District document, "Requirements for Certification Testing of Continuous Emission Monitoring Systems". Date: September

### 25, 1998

### The purpose of the following requirements are to assist the applicant and the testing contractor inthepreparation ofa Certification Test Protocol, in conducting the certification tests and the preparation of a Certification Test Report in a manner acceptable to the District. The CEMS testing contractor must have received approval from the District, through the Laboratory Approval Program. The location of the CEMS sampling probe tip and the Reference Method sampling ports must be determined in accordance with District Method 1.1 for representative sampling. Care must be exercised so that neither sampling site interferes with the other. 

### In order to determine the acceptability of the CEMS and the Reference Method sampling locations, verification tests for stratified or cyclonic flow must be conducted in addition to concentration stratification tests.

### Test Requirements Test Procedure Reference

1.0 CEMS 1.1 Seven Day Calibration Error

Contaminants +/-2.5 PercentAnalyzer Span 40 CFR, Part 60, Appendix B @ 0-20 and 80-100 Percent Span Performance Specification 2 O2and COz +I-2.5 PercentAnalyzer Span 40 CFR, Part 60, Appendix B @0-20 to 80-100 Percent Span Performance Specification3 Drift tests are to be performed at.the same time or within two weeks of the Reference method Certification Tests. 1.1.1 Calibration Error Testing RequirementsforPollutant Concentration monitors and O2Monitors Test, record and compute the calibration error of each monitor once on each of seven operating days. Conduct calibration error checks, tothe extent practicable, approximately24 hours apart. Perform the daily calibration error test according totheprocedure in Paragraph 1.1.3 1.1.2 Design Requirements for Calibration Error Testing of Monitors Design and equip each pollutant concentration monitor and O2monitor with a calibrationgaq injection port that allows a check of the entire measurement system when calibration gases are introduced. For extractive and dilution type monitors, all monitoring components exposed to the sample gas, (for example, sample lines, filters, scrubbers, conditioners, and as much of the probe as practical) are included in the measurement system. For in situ type monitors,the calibration must check against the injected gas for the performance of all electronic and optical components (for example, transmitter, receiver, analyzer). Design and equip each monitor to allow daily determinationsof calibration error (positive ornegative) atthe zero-level(0-20 percent of each span range) and high-level (0to 20 percent of each span range) and high-level (80to 100percent of each span range) concentrations. 1.1.3 Calibration ErrorTestforMonitors Measure the calibration error of eachmonitor once each day accordingto the following procedures: If any manual or automatic adjustments to the monitor settings are made, conduct the calibration error test in a way that the magnitude ofthe adjustments can be determined and recorded. Perform calibration error tests at two concentrations: (1)zero-level and (2) high level. Zero level is 0 to 20 percent of each span range, andhigh level is 80 to 100 percent of each span range. a gas mixture manufactured, analyzed and certified according to the Environmental Protection Agency (EPA) Traceability Protocol, "Procedure GI: Assay and Certification of a Compressed Gas Calibration Standard Without Dilution" or "Procedure G2: Assay and Certification of a Compressed Gas Calibration Standard Using Dilution", if Procedure G1 is not available. This incorporates by reference Procedures G1 and G2 contained in the "EPA Traceability Protocol for Assay and Certification of Gaseous Calibration Standards" 

### - EPA-600R971121, September 1997 Revision.. Introduce the calibration gas at the gas injection port as specified above. Operate each monitor in its normal sampling mode. For extractive and dilution type monitors, pass the audit gas through all filters, scrubbers, conditioners, and other monitor components used during normal sampling and through as much of the sampling probe as practical. For in situ type monitors, perform calibration checking all active electronic and optical components, including the transmitter, receiver, and analyzer. Challenge the monitors once with each appropriate gas. Record the monitor response fromTest Requirements Test Procedure Reference
the data acquisition and handling system. Use the following equation to determine the calibration error forpollutant gases at each concentration once each day:

Where: C = The percentage calibration errorbased on the span range. R = The reference value of zero or high-level calibration gas introduced into the monitoring system. A = The actual monitoring system responsetothe calibrationgas. S = The span range ofthe instrument. For diluent gases, omitthe denominatorinthe above equation. 1.2 Cycle Response Time NOx, SO,, O2Conc. 2 5 minutes Response time is the amount of time required for the measurement system to display 95 percent of a step change in gas concentrationon the data recorder. Introduce the upscale calibration gas and record the stabilized reading. Then introduce the zero gas and record the gas concentration displayed on the recorder. Then alternately introduce the upscale and zero gases until a stable condition is achieved. Record the times required. Repeat the procedure several times. Note the longer of the two times as the response time. 1.3. NOx Converter Efficiency Average Converter Efficiency >90 Percent Please refer to the attachmentforthe procedure for determiningNOx converter efficiency. 1.4

. Analyzer SpanRange All data points to be within 10-95percent offull scale Rule 2 18.1(b)(l)(c)
1.5. Sampling System Bias Check All Gas Analyzers +I-% Analyzer Range District Method 1 00.1 The Sampling System Bias is the difference between the gas concentrations exhibited by the measurement system when calibration gas is introduced at the sampling probe tip filter and when the same calibration gas is introduced directly to the analyzer. A bias check of the sampling system is mandatory. 1.5.1 Procedure Backflush gas through the probe as necessary to prevent particulate buildup on the probe filter. Perform the sampling system bias check by introducing calibration gases into a baffled sample chamber around the probe tip filter. A zero gas and either the mid-range or high-range gas, whichever most closely approximates the effluent concentrations, should be used for this check as follows: 1.5.1.1 Introduce the upscale calibration gas and record the gas concentration displayed by the analyzer. Introduce the zero gas and record the gas concentration displayed by the analyzer. During the sampling system bias check operate the system at the normal sampling rate and make no adjustments to the measurement system other than those necessary to achieve manufacturer recommended calibration gas flow rates atthe analyzer.

### Test Requirements Test Procedure Reference

1.5.2. Calculation The sampling system bias check shall be considered invalid if the difference between the gas concentrations exhibited by the measurement system when a known concentration gas is introduced at the sampling probe tip and when the same gas is introduced directly to the analyzer, exceeds +I- 5 percent of the analyzer range. If an invalid calibration is exhibited, take corrective action and repeat the sampling system bias check until acceptableperformance is achieved. If adjustment to the analyzer is required, first repeat the analyzer calibration error check, then repeat the sampling system bias check. 2.0 Flow Monitor Seven Day Calibration +I- 3 percent of instrumentpan 40 CFRPart 75 Error at 0-20 and 80-100 percent span Seven Day Calibration Error Test forFlow Monitors Measure the calibration error of each flow monitor accordingtothe following procedures. Introduce the reference values to the probe tip (or equivalent) or to the transducer. The reference 

# - values must have at least two reference values: (1) 0 to 20 percent of span range or an equivalent reference value (for example, pressure pulse or electronic signal), and (2) 50 to 70 percent of span range or an equivalent reference value. During the seven day certification test period, conduct the calibration error test once each day while the unit is operating (as close to 24 hour intervals as practicable). In the event that extended unit outages occur after the commencement of the test, the seven consecutive operating days need not be seven consecutive calendar days. Record the flow monitor responses by means of the data acquisition and handling system. Calculate the calibrationerror using Equation C-2. Both flow and concentration data must be on the same wet or dry basis. Do not perform any corrective maintenance, repair, replacement of manual adjustment upon the flow monitor during the seven day certification test period otherthan that required in the monitor operation and maintenance manual. If the flow monitor operates within the calibration error performance specification, (i.e., less than or equal to 3 percent error each day and does not require corrective maintenance, repair, replacement or manual adjustment during the seven day test period) the flow monitor passes the calibration error test portion of the certification test. Wherever automatic adjustments are made, record the magnitude of the adjustments. Record all maintenance and required adjustments. Record output readings fiom the data acquisition and handling system before and after all adjustments. (Eq. c-2)
Where: CE = Thepercentase calibration errorbased on the span range. R = The reference value of zero orhigh-level impulse introduced into the monitoring system A = The actual monitoring systemresponseto thereference value impulse. S = The span range of the instrument.Test Requirements Test Procedure Reference
3.0 Relative Accuracy Test Audit (RATA) 3.1. Number of Tests

. Minimum ofnine sets of tests Rule 2 1 8 (b)(2)(C) data to be used forRA. No data can be rejected withoutjustification. 3.2 Moisture Sampling Done for each RM test. District Method 4.1 3.3 NOx Concentration 20 Percent or 40 CFR, Part 60, 1.0 ppm De-minimus Appendix B PS 2 3.4 SO2Concentration 20 Percent or 2.0 ppm De-minimus

(4.0ppm forTRD) 40 CFR, Part 60, Appendix B Performance Spec2 3.5 CO Concentration 20 Percentor 40 CFR, Part 60, 2.0 ppm De-minimus Appendix B PS 4a 3.6 02 or COz 10percent ofmean value of 40 CFR, Part 60, Reference Method or Appendix B 1.0 percent O2or C02 Performance Spec. 3 3.7. Flue GasFlow Rate 15percent ofmean value of 40 CFR, Part 60, Reference Method or flow rate at Appendix B 2 fps, whichever is greater Performance Spec. 6 3.6 Flue Gas Flow Rate 20 percent ofmean value of 40 CFR, Part 60, ReferenceMethod or emission Appendix B Rate at 2 fps,whichever is greater Performance Spec. 6 Note: a. Flue gas flow rate and emissionsR4 tests areto be done at the same time. 3.7 Test the relative accuracy test data sets and the relative accuracy test audit data sets for pollutant concentration monitors, 02 monitor, fuel gas sulfur content monitors, flow monitors, and emission rate measurement systems using the proceduresoutlined below. 3.8 Calculate the mean of the difference using Equation 2-1 of 40 CFR, Part 60, Appendix B, Performance Specification 2. To calculate RA for a pollutant concentration monitor of 02, "d" shall, for each paired data point, be the difference between the concentration values (in ppm) or percent obtained fiom the reference method and the monitor. To calculate RA for a flow monitor, "d" shall, for each paired data point, be the differencebetween the flow rate values (in dscfh) obtained fiom the reference method and the monitor to calculate R4 for an emission rate measurement system "d" shall, for each paired data point, be the difference between the emission rate values (in lbh)obtained fiom the reference method and the monitoring system. Summarize the results on a data sheet. Examples are shownin Figures 2-2 thru 2-5. Calculate the mean of the RM values. Calculate the arithmetic differences between the RM and the CEMS output sets. Then calculate the mean of the difference, standard deviation and confidence coefficient, using Equations 2- 1,2-2and 2-3. 3.9 Equations 3.9.1 Arithmetic means Calculatethe arithmetic mean ofthe difference, d, of a data set as follows:

### Test Requirements Test Procedure Reference

(Eq.2-1)
Where:

n = Number ofdatapoints

n 

### C di , = Algebraic sum ofthe individual differencesdl i= I When the mean of the differences ofpairs ofdata is calculated,be sure to correct the data for moisture, if applicable. 3.9.2 Standard Deviation Calculate the standard deviation, Sd,asfollows:

(Eq. 2-2)
3.9.3 Confidence Coefficient Calculate the 2.5 percent error confidence coefficient (one-tailed), CC, as follows

Where: f0.975=t-value Table 2- 1 -t Values

3.9.4 Relative Accuracy Calculate the RA of a set of data as follows:Test Reauirements Test Procedure Reference

Where: 

## Id1 = Absolute value of the mean of differences (fiom Equation 2-1). ( CC ( = Absolute value of the confidence coefficient (fiom Equation 2-3). RM = AverageRM value or applicable standard. 3.10. Reporting All certification data must be submittedin the format designated in Figures2-1 thru2-5.
4.0. Reference Methods forRule218 District Method 1.1

### - Sample andVelocity Traverses for Stationary Sources District Method 1.2

### - Sample and Velocity Traverses for Stationary Sourceswith Small Stack or Ducts District Method 2.1 

### - Determinationof Stack Gas Velocity and Volumetric Flow Rate (S-typePitot tube) District Method 2.2 

### - Direct Measurement ofGas Volume through Pipes and Small Ducts District Method 2.3 

### - Determination of Gas Velocity and Volumetric Flow Rate fiom Small Stacks or Ducts District Method 3.1 

### - Gas Analysis for Dry Molecular Weight and Excess Air District Method 4.1 

### - Determination of Moisture Content in Stack Gases District Method 6.1 - Determination of SulfuricAcid and Sulfur Oxides From Stationary Sources District Method 7.1

### - Determination of Nitrogen Oxide Emissions for Stationary Sources District Method 10.1 

### - Determination of Carbon Monoxide and Carbon Dioxideby Gas Chromatograph/NonDispersive Infiared Detector (GCMDIR) and Oxygen by Gas Chromatograph-thermal Conductivity (GCITCD) District Method 100.'1

### - Instrumental Analyzer Procedures for Continuous Gaseous Emission Sampling District Method 307.91

### - Determination of Sulfurin a Gaseous Matrix EPA Method 6 - Determinationof Sulfur Dioxide Emissionsfiom Stationary Sources EPA Method 19

## - Determination of Sulfur Dioxide Removal Efficiency and Particulate, Sulfur Dioxide and Nitrogen OxidesEmission Rates fiom Electric Utility Steam Generator (40 CFR Part 60Appendix A) ASTM Method D 4294 or D 2622-82

### - Determination of Sulfur in LiquidFuels

### Test Requirements Test Procedure Reference Figure 2-1 Example ofPollutant Calibration Error Calculation Span Gas =80 ppm

CalibrationGas Value 80.0 ppm Span Range 100ppm Since all calibration error tests were less than plus orminus2.5 percent, the monitor passes the calibration errortest. 

### i' 

# -- *Thiscolumn should inched page numbers or figure numbers.

### Test Requirements Test Procediire Reference Figure2-2 Example ofRelative Accuracy Calculations SO2Concentration

RM Average Average Difference Number Standard Deviation t-value Confidence Coefficient 95% Confidence Interval Relative Accuracy 113.83ppm 0.53 ppm 9 5.70ppm 2.306 4.38 ppm 4.91 ppm 4.3%
*RM (Reference Method) Data is Source Test Data. **This column shouldinclude page numbers or figurenumbers ofall raw data andcalculation sheets.Test Requirements Test Procedure Reference Figure 2-3 .ExampleofRelative Accuracy Calculations SO2Emission Rate (Ibhr)

RM Average Average Difference Number Standard Deviation T. Value 

### i 

# - Confidence Coefficient 95% Confidence Interval Relative Accuracy 27.73 ppm -0.82 ppm 9 1.95 ppm 2.306 1.50ppm 2.32 ppm 8.4% *RM (Reference Method) Data is Source Test Data. **This column should include page numbers or figure numbers of allraw data and calculation sheets.

### Test Requirements TestProcedure Reference Figure2-4 Example of Relative Accuracy Calculations O2Concentration

RM Average Average Difference Number StandardDeviation T. Value Confidence Coefficient 95% Confidence Interval RelativeAccuracy *RbI(Reference Method) Data is Source Test Data. **This columnshouldinclude page numbers orfigure numbers ofall raw dataandcalculation sheets.Test Requirements Test Procedure Reference Figure 2-5 .Example of Relative Accuracy Calculations Stack Gas Flow Rate (DSCFlM)

RM Average Average Difference Number StandardDeviation T. Value ConfidenceCoefficient 95% ConfidenceInterval Relative Accuracy 24665.7 dscfin -1 16.2dscfin 9 342.1 dscfm 2.306 263.0 dscfm 379.2 dscfm 1.5%
*RM (ReferenceMethod) Data is Source Test Data.

### ATTACHMENT B



## Supplement Requirements for Rule 

## 218 CEMS Certification Testing (Test Protocol, CertificationTest, and Test Report)

Note: This attachment is a modified version of a District document," Supplement Requirements for CEMS Certification Testing". Date: September 

### 25, 1998

### Supplement Requirements for CEMS Certification Testing (Test Protocol, Certification Test, and 

### Test Report)

The following is a list ofrequirements for CEMS certification testing. For more detailed requirements and procedures, please refer to District Rule 

### 218 and other supporting documents: 

### I. Requirementsfor CEMS Certification TestProtocol The CEMS certification test protocol submitted to the District shall include, but not be limitedto, the following items: Description of all testing techniques, procedures, and type and number of tests for CEMS certificationtesting. Description of all reporting procedures. Statement indicatingno conflict of interest between parties involved in the CEMS certificationprogram per DistrictRuIe 

### 304. Statement indicating any changes in basic equipment, air pollution control devices, and facility CEMS design after the issuance of CEMS Initial Approval. Notification of certificationtest dates to the District by the facility permit holder. Test protocols for gas concentration monitors and flue gas flow rate monitoring systems. Format for reporting ofprocess data during certification tests. Copy of SCAQMDLAP approval letter issued to the testing company. 

### 11. Requirements for CEMS Certification Testing 

### i General CEMS Testing Requirements The following items are applicable both to facility CEMS and reference method testing:

a. Approval of CEMStesting contractors by the District's Laboratory Approval Program. 

### b. Demonstration of operational period greater than or equal to 168 hours.Compliance of CEMS and reference method sampling probe tip locations with District Method 

### 1.1, and cyclonic flow and stratification tests for these locations. Zero and spancalibration drifts. Calibrationerror. CEMS responsetime. NO, toNO conversion efficiency forNOx analyzer. Sampling and analytical interference tests. System bias tests before and after each reference method test. Relative accuracytests. Determinationofbias and bias adjustment factor. Moisture content of the sample gas exiting sample conditioner maintained at a dewpoint less than 

### 37 OF. Moisture content of the flue gas determined for reference method tests. Full span range of pollutant and diluent gas analyzers set sothat all data points gathered by the facility CEMS lie within 10-95percent ofthe full-scale span range. Submittal of chain of custody forms. Submittal of calibrationgas certificates. Within two weeks of all relative accuracy testing, the above analyzer performance specification tests shall be conducted without any CEMS adjustments made during this period. Reference method tests shall be conducted at the same location as the facility CEMS. The mass emission rate relative accuracy shall be determined from the same set of data as that used to determine the flow rate relative accuracy. 

### ii. Testing of Flue GasFlow Monitoring System

a. Adequate testing and calculation procedures. b. Calibration. c. Precision andrelative accuracy. d. Determination of flue gas flow rate. e. Determination ofmoisture content of flue gas. 

### iii. Testing ofFuel GasFlowMonitoring System

a. Adequate testing and calculation procedures. b. Tests for fuel gas composition monitor: 

### 1. Calibrationdrift.

### 2. Precision andrelative accuracy. 

### 3. F-factor, heating value, density, compressibility,etc.

c. Fuel gas flowmonitor: 

### 1. Calibration error. 

### 2. Linearity. 

### 3. Precision and relative accuracy. d. Determination of flue gas flowrate: 

### 1. Relative accuracy. 

### iv. Determination of PollutantMassEmissionRate

a. Concentration and flue gas flowaate. b. Pollutant mass emission rate. c. Relative accuracy. 

### 111. Certification Test Report After the completion of all certification testing, the facility permit holder shall submit a certification test report no later 

### than 

### 45 days from the date of the certificationtests.. 

### IV. Issuance of Final Approval If the requirements of all the above sections are satisfied, Final Approval for the CEMS will be issued. Prior to the issuance of the Final Approval, Provisional Approval is issued based on the submittal of test results, Quality AssurancelQuality Control Plan, and a statement by the permit holder attesting that the facility has met all Rule 

### 2

### 18requirements.

### ATTACHMENT C

NO2TO NO CONVERSION TEST PROCEDURE (Alternative to 

### O, Titration Method-40 CFR 50.1, Appendix 

### F) NO, Analyzer Requirements a. Full span range 0-20 pprn or 0-25 pprn b. Equipped with

### NO and 

### NO, modes Auditing Gas Requirements a. 

### NO, in 

### air (or

### N,): Use 

### NO, in 

### airfor a stainless steel converter. b. Concentration of

### NO,: 15 to 18ppm (C0,

### PPm) c. Recertification: An

### audit gas shouldbe recertified after sixmonths. Calibration Gas Requirements a. Concentration: 

### NO (17

### to 19ppm) with less than 0.1 ppm 

### NO, 

### - High Span 

### NO (10 to 13ppm) with less than 0.1 pprn 

### NO, 

### - Mid Span b. Zero Gas: High purity

### N, Calibration ofAnalyzer: a. Calibrate

### NO mode with the 

### NO calibrationgases. b. Calibrate

### NO, mode with the same gaseswithout any gain adjustment. bl


### . Ifthe analyzer is equipped with two independentgain adjusting circuits, skip 4.b., then repeat 4.a. for the 

### NO, mode. ConversionEffkiency (CE) Test a. Analyzethe audit gas with 

### NO mode. Read and standardize concentration. (C,,

### PPm) b. Analyze the audit gas with 

### NO, mode. Read and standardize concentration. (C, 

### ppm) Calculationfor Conversion Efficiency (CE):

CriteriaforAcceptability of CE a. %CE mustbe larger than 90%. b. C,must be lessthan 5 % 

### of total 

### NO, (NO 

### +NO,) in the

### NO, audit gas (Section 2b).

i 

# - NOTE: NO, audit gas concentration of higher value than what is specified in Section 2 may be required where NO, present in the exhaust gas being measured is greater than 30 pprn. Select the NO, gas within 10%ofthe expectedNO, concentration in the exhaust.

### ATTACHMENT 

### D AnalyzerEnclosure
CEMS analyzers must be housed in temperature controlled cabinets that meet the temperature requirements specifiedby the analyzer manufacturer. However, even in these temperature controlled cabinets, the temperature can fluctuate depending on outside temperature, cooling capacity of the 

### air conditioning unit, and the rate of heat transfer through the CEMS cabinet surfaces. If the temperature fluctuations inside these cabinets exceed the operating range recommended by the manufacturer's instrument specifications analyzers can drift significantly. Based on the above, 2-hour CEMS analyzer drift tests shall be performed during CEMS semiannualRATA.. These tests do not replace or supersede any of the current RULE 218 requirements. The 2-hour drift tests shall be conducted at low land high level of the full span range. Low level is defined 

### as 0 to 20 percent of full scale and high level is defined as 80 to 100 percent of full span range. A set of thirteen tests (providing twelve data points) shallbe conducted at each level. The results of the 

### drift tests shall be expressed in terms of the mean value of the difference and the 

### 95% confidence coefficient. For a detailed explanation of this statistical analysis, please refer to 40 CFR Part 60, Appendix D. The limits forthe 2-hour drift tests are 

### as follows: 

### 1. Pollutantgas @Ox, SOX) Low level and high level: 

### - <2.5% of full spanrange 2. Diluent gas (02, C02) Low level and high level: 

### - <2.5% offull spanrange

### ATTACHMENT 

### E
Fuel Flow Monitors Relative Accuracy Test
Fuel flow measuring devices used for obtaining stack flow in conjunction with F-factors shallbe tested 

### as installedfor relative accuracy using reference methods to determine stack flow. If the flow device manufacturer has a method or device that permits the fie1 flow measuring device to be tested as 

### installed for relative accuracy, the Facility Permit holder shall request approval from the Executive Officer. Approval will be granted in cases where the Facility Permit holder can demonstrate to the satisfaction of the Executive Officer that no suitable testing location exits in the exhaust stacks or ducts and that it would be an inordinate cost burden to modify the exhaust stack configuration to provide a suitable testing location. The method or device used for relative accuracy testing shall be traceable to NlST standards. This method shall be used only if natural gas, fuel oil, or other fuels which the Facility Permit holder can show to the satisfaction of the Executive Officer have stable F-factors and gross heating values, or if the Facility Permit holder measures the F-factor and gross heating value ofthe fuel. A. Design and equip each fuel flow meter used to meet the requirements of this protocol to demonstrate a flow meter accuracy of 2.0 percent of the upper range value (maximum calibrated fuel flow rate) as designed or measured under laboratory conditions by the manufacturer, operator, contractor or owner. Prior to performing this QAIQC procedures, the responsible parties must obtain approval from the Executive Officer. The following procedures must be used as appropriate to the type offlow meter:

1. ASME MFC-3M- 1989with September 1990 Errata (MeasurementofFluid Flow in Pipes Using Orifice, Nozzle and Venturi) 2. ASME MFC-5M-1985 (Measurement of Liquid flow in Closed conduits Using Transit-TimeUltrasonicFlow Meters) 

### 3. ANSIIAPI 2530-92 (Orifice Metering of Natural Gas and Other Related Hydrocarbons) 

### 4. ASME MFC-6M-1987 with June 1987 Errata (Measurement of Fluid Flow in Pipes Using Vortex Flow Meters) 5. ANSIIASC 

### B 109.2-1 986ASO 8316(E) (Measurement ofLiquid Flow in Closed Conduits 

## - Method by Collection of the Liquid in a volumetric Tank), or for all other flow meter types 6. ASME MFC-9M-1988 with December 1989 Errata (Measurement of Liquid Flow in Closed conduitsby Weighing Method). The District will also approve other standard methods that use equipment ( 

# - traceable to NIST standards. The Facility Permit holder shall obtain approvalfiom the Executive Officer prior to using 

### an alternative method. Using these methods, if the flow meter accuracy exceeds 2.0 percent of the upper range value, the flow meter does not qualify for certification. 

### B. Alternatively, the fuel flow meter used for Rule 218 facilities may be calibrated or recalibrated to a flow meter accuracy of 2.0 percent of the upper range value at least annually by comparing the measured flow of the flow meter to the measured flow fiom other flow meter which has been calibrated or recalibrated during the previous 

### 365 days using the procedures in Paragraph A. Perform the comparison over a period of no more than seven consecutive unit operating days. Compare the average of three fuel flow readings for each meter at each of three different flow levels as listed below: 1. A frequently used low operating load level selected within the range between the 

### minimum safe and stable operating level and 50percent load. 

### 2. A fiequently used high operating load level selected within the range between 80 percent of the maximum operating level and the maximum operating level. ' 

### 3. The normal operating level. If the normal operating level is within a specified range (10% of the maximum operating level) of either i or ii above,use a level that is evenly spaced between the low and high operating levels used. The maximum operating level shall be equal to the nameplate capacity less any physical or regulatory limitations or other deratings. Calculate the flow meter accuracy using at each of the three flow levels using the following equation: 

### ACC=- 

## IR -

### A'~lOO



### URV Where, ACC = Flow meter accuracy as 

### apercentage ofthe upper range value. R = Average ofthe three low, mid orhigh level flow measurements ofthe reference flow meter. A = Average ofthe three measurements URA = Upper range value of fuel flow meterbeing tested (i.e., maximum measurable flow). Ifthe flow meter accuracy exceeds 2.0 percent ofthe upper range value at any ofthe three flow levels, either recalibrate the flow meteruntil the accuracy is within the performance specification or replacethe flow meter with another one that is 

### within the performance specification.