Information Collection Request 

Boiler MACT Emissions Report

City, Water, Light and Power

Dallman Generating Station

Unit 31/32 Common Stack

Springfield, Illinois

April 7, 2010
1520 Kensington Road, Suite 204

Oak Brook, IL 60523-2141

630-521-9400

630-521-9494 fax

Information Collection Request 

Boiler MACT Emissions Report

City, Water, Light and Power

Dallman Generating Station

Unit 31/32 Common Stack

Springfield, Illinois

April 7, 2010

Report Submittal Date

June 9, 2010

Prepared By

Platt Environmental Services

Report No. M101404A
Table of Contents

1.0 INTRODUCTION.............................................................................................................................. 1

2.0 EXECUTIVE SUMMARY................................................................................................................. 2

3.0 TEST METHODOLOGY .................................................................................................................. 3

Method 1 Sample and Velocity Traverse Determination .............................................................3

Method 2 Volumetric Flow Rate Determination ...........................................................................3

Method 3A Oxygen (O2)/Carbon Dioxide (CO2) Determination ...................................................4

Method 26A Halide Determination ...............................................................................................4

4.0 TEST RESULTS SUMMARIES....................................................................................................... 5

5.0 CONCLUSION AND CERTIFICATION........................................................................................... 6

APPENDIX

Test Section Diagram...................................................................................................................8

Sample Train Diagrams ...............................................................................................................9

Calculation Nomenclature and Formulas...................................................................................12

Laboratory Sample Analysis ......................................................................................................19

Reference Method Test Data (Computerized Sheets)...............................................................33

Calibration Data .........................................................................................................................38

Field Data Sheets.......................................................................................................................47
ICR Boiler MACT Emissions Report PES Report No.: M101404A

City, Water, Light and Power-Dallman Unit 31/32 Common Stack April 7, 2010

1

1.0 Introduction

PLATT ENVIRONMENTAL SERVICES (PES) conducted an information 

collection request (ICR) boiler maximum achievable control technology (MACT) 

emissions test program for City, Water, Light and Power at the Dallman 

Generating Station on the Unit 31/32 Common Stack on April 7, 2010. This report 

summarizes the results of the test program and test methods used.

Test location, test dates, and test parameters are summarized below, in Table 1.

Table 1

Test Overview

Test 

Location Test Dates Test Method Test Parameter

Unit 31/32 

Common 

Stack

April 7, 2010

USEPA Method 3A Oxygen (O2), Carbon Dioxide (CO2)

USEPA Modified 

Method 26A

Hydrogen Chloride (HCl), Hydrogen Fluoride 

(HF), Hydrogen Cyanide (HCN)

The identification of individuals associated with the test program is summarized 

below in Table 2.

Table 2

Test Personnel

Location Address Contact

Test Facility City Water, Light and Power

Dallman Generating Station

Springfield, Illinois

Mr. Schy Willmore

Air Quality Engineer

City Water, Light and Power

(217) 757-8610(phone)

Schy.Willmore@cwlp.com

Testing 

Company 

Representative

Platt Environmental Services, Inc.

1520 Kensington Road, Suite 204

Oak Brook, Illinois 60523

Mr. Timothy Mei

(630) 521-9400 (phone)

(630) 521-9494 (fax)

tmei@plattenv.com

The test crew consisted of Messrs. S. Dyra, Rich Sollars, Rod Sollars, D. 

Quedens, and T. Mei of PES. The purpose of the test program was to evaluate 

the emissions of the constituents listed in Table 1 to satisfy the USEPA 

information request.
ICR Boiler MACT Emissions Report PES Report No.: M101404A

City, Water, Light and Power-Dallman Unit 31/32 Common Stack April 7, 2010

2

2.0 Executive Summary

Selected results of the test program are summarized below, in Table 3. A 

complete summary of emission test results follows the narrative portion of this 

report.

Table 3

Test Results

Test Location Test Parameter Emission Rate

Unit 31/32 

Common Stack

HCl, lb/mmBtu <0.012590

HF, lb/mmBtu <0.056089

HCN, lb/mmBtu <0.000210

Compounds expressed above as less than or equal to values had a fraction or 

fractions that were below detection limits. Detection limits for each fraction were 

used to determine the emission rate for these compounds.
ICR Boiler MACT Emissions Report PES Report No.: M101404A

City, Water, Light and Power-Dallman Unit 31/32 Common Stack April 7, 2010

3

3.0 Test Methodology

Emissions testing were conducted following the methods specified in 40 CFR, 

Part 60, Appendix A and 40CFR63, Appendix A. Schematics of the sampling 

trains used and copies of field data sheets for each test run are included in the 

Appendix.

The following methodologies were used during the test program:

Method 1 Sample and Velocity Traverse Determination

Test measurement points were selected in accordance with Method 1, 40 CFR, 

Part 60, Appendix A. The characteristics of the measurement location are 

summarized below, in Table 4.

Table 4

Sample Point Selection

Test Location

Upstream 

Distance

Downstream 

Distance Test Parameter

Number of 

Sampling Points

Unit 31/32 

Common Stack >2.0 >8.0 HCl, HF, HCN 12

Method 2 Volumetric Flow Rate Determination

Gas velocity was measured following Method 2, 40 CFR, Part 60, Appendix A, 

for purposes of calculating stack gas volumetric flow rate. An S-type pitot tube, 

differential pressure gauge, thermocouple and temperature readout were used to 

determine gas velocity at each sample point. All of the equipment used was 

calibrated in accordance with the specifications of the Method. Calibration data is 

presented in the Appendix.
ICR Boiler MACT Emissions Report PES Report No.: M101404A

City, Water, Light and Power-Dallman Unit 31/32 Common Stack April 7, 2010

4

Method 3A Oxygen (O2)/Carbon Dioxide (CO2) Determination

Stack gas molecular weight was determined in accordance with Method 3A, 40 

CFR, Part 60, Appendix A. A Servomex analyzer was used to determine stack 

gas oxygen and carbon dioxide content and, by difference, nitrogen content. All 

of the equipment used was calibrated in accordance with the specifications of the 

Method. 

Method 26A Halide Determination

Stack gas Hydrogen Chloride (HCI), Hydrogen Fluoride (HF), and Hydrogen 

Cyanide (HCN) concentrations and emission rates were determined in 

accordance with modified Method 26A. An Environmental Supply Company, Inc. 

sampling train was used to collect the sample. A multiple-point sample was 

extracted isokinetically from the gas stream and passed through 1.0 N sodium 

hydroxide. The sample train consisted of a Teflon® filter placed on the outlet of a 

heated borosilicate glass probe liner and five impingers. The first three impingers 

contained the 1.0 N sodium hydroxide (NaOH) scrubber solution to collect the 

HCl , HF and HCN, the fourth impinger was empty and the fifth impinger 

contained silica gel to absorb any remaining moisture. A DI rinse was performed 

on each set of impingers, and samples were stored in nalgene sample containers 

for transport. The sodium hydroxide samples were then analyzed for the above 

halides by Maxxam Analytics, Inc. All of the equipment used was calibrated in 

accordance with the specifications of the Method. Calibration data is presented in 

the Appendix.
ICR Boiler MACT Emissions Report PES Report No.: M101404A

City, Water, Light and Power-Dallman Unit 31/32 Common Stack April 7, 2010

5

4.0 Test Results Summaries

Client:

Facility:

Test Location:

Test Method:

Normal Normal Normal

4/7/10 4/7/10 4/7/10

6:59 8:18 9:40

8:02 9:24 10:44

Run 1 Run 2 Run 3 Average

133.2 132.7 132.8 132.9

16.5% 16.5% 16.6% 16.5%

29.38 29.38 29.37 29.38

45.975 46.368 46.703 46.349

68.252 68.656 69.146 68.685

568,930 572,296 576,387 572,538

415,248 417,991 420,252 417,830

11.3 11.6 11.5 11.5

7.2 6.8 7.1 7.0

101.7 101.9 102.1 101.9

< 9.12 9.04 < 8.97 < 9.04

< 13826.43 13708.99 < 13610.90 < 13715.44

< 21.5050 21.4630 < 21.4250 < 21.4643

< 0.012710 0.012329 < 0.012730 < 0.012590

< 110.83 < 54.94 < 54.55 < 73.44

< 92176.20 < 45696.63 < 45369.65 < 61080.83

< 143.3680 < 71.5450 < 71.4170 < 95.4433

< 0.084734 < 0.041097 < 0.042435 < 0.056089

< 0.205 < 0.203 < 0.202 < 0.20

< 230.44 < 228.48 < 226.85 < 228.59

< 0.3580 < 0.3580 < 0.3570 < 0.3577

< 0.000212 < 0.000205 < 0.000212 < 0.000210

Hydrogen Chloride (HCl) Emissions

Hydrogen Fluoride (HF) Emissions

ppm

ppm

ug/dscm

lb/hr

lb/hr

lb/mmBtu

Isokinetic Variance

Gas Volumetric Flow Rate, dscfm

Average %CO2 by volume, dry basis

26A

End Time

Average Gas Temperature, °F

Date

Start Time

Gas Volumetric Flow Rate, acfm

Gas Sample Volume, dscf

ug/dscm

ug/dscm

lb/mmBtu

Hydrogen Cyanide (HCN) Emissions

lb/hr

lb/mmBtu

ppm

City, Water, Power, & Light

Dallman Station

Unit 31/32 Common Stack

Source Condition

Stack Conditions

Flue Gas Moisture, percent by volume

Average Flue Pressure, in. Hg

Average Gas Velocity, ft/sec

Average %O2 by volume, dry basis
ICR Boiler MACT Emissions Report PES Report No.: M101404A

City, Water, Light and Power-Dallman Unit 31/32 Common Stack April 7, 2010

6

5.0 Conclusion and Certification

PLATT ENVIRONMENTAL SERVICES is pleased to have been of service to 

City, Water, Light and Power. If you have any questions regarding this test 

report, please do not hesitate to contact us at 630-521-9400.

CERTIFICATION

As project manager, I hereby certify that this test report represents a true and 

accurate summary of emissions test results and the methodologies employed to 

obtain those results, and the test program was performed in accordance with the 

methods specified in this test report.

PLATT ENVIRONMENTAL SERVICES

__________________________________ Program Manager

Timothy A. Mei

__________________________________ Quality Assurance

Jeffrey M. Crivlare
APPENDIX
M101404A 8 Platt Environmental
M101404A 9 Platt Environmental
M101404A 10 Platt Environmental
M101404A 11 Platt Environmental
M101404A 12 Platt Environmental
M101404A 13 Platt Environmental
M101404A 14 Platt Environmental
M101404A 15 Platt Environmental
M101404A 16 Platt Environmental
M101404A 17 Platt Environmental
M101404A 18 Platt Environmental
M101404A 19 Platt Environmental
M101404A 20 Platt Environmental
M101404A 21 Platt Environmental
M101404A 22 Platt Environmental
M101404A 23 Platt Environmental
M101404A 24 Platt Environmental
M101404A 25 Platt Environmental
M101404A 26 Platt Environmental
M101404A 27 Platt Environmental
M101404A 28 Platt Environmental
M101404A 29 Platt Environmental
M101404A 30 Platt Environmental
M101404A 31 Platt Environmental
M101404A 32 Platt Environmental
M101404A 33 Platt Environmental
M101404A 34 Platt Environmental
M101404A 35 Platt Environmental
M101404A 36 Platt Environmental
M101404A 37 Platt Environmental
M101404A 38 Platt Environmental
M101404A 39 Platt Environmental
M101404A 40 Platt Environmental
M101404A 41 Platt Environmental
M101404A 42 Platt Environmental
M101404A 43 Platt Environmental
M101404A 44 Platt Environmental
M101404A 45 Platt Environmental
M101404A 46 Platt Environmental
M101404A 47 Platt Environmental
M101404A 48 Platt Environmental
M101404A 49 Platt Environmental
M101404A 50 Platt Environmental
M101404A 51 Platt Environmental
M101404A 52 Platt Environmental