Information Collection Request 

Boiler MACT Emissions Report 

We Energies 

Oak Creek Power Plant 

Unit 8 Outlet Duct 

Oak Creek, Wisconsin 

April 6, 8, and 9, 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 

We Energies 

Oak Creek Power Plant 

Unit 8 Outlet Duct 

Oak Creek, Wisconsin 

April 6, 8, and 9, 2010 

Report Submittal Date 

June 24, 2010 

Prepared By 

Platt Environmental Services 

Report No. M101402 
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

OTM27 Filterable Particulate Determination................................................................................4

OTM 028 Condensable Particulate Determination ......................................................................4

Method 29 Trace Metals Determination.......................................................................................5

Mercury Determination by Method 30B (Sorbent Trap Method)..................................................5

4.0 TEST RESULTS SUMMARIES....................................................................................................... 6

5.0 CONCLUSION AND CERTIFICATION......................................................................................... 10

APPENDIX 

Test Section Diagrams...............................................................................................................12 

Sample Train Diagrams .............................................................................................................14 

Calculation Nomenclature and Formulas...................................................................................20 

Laboratory Sample Analysis ......................................................................................................34 

Reference Method Test Data (Computerized Sheets)...............................................................69 

Calibration Data .......................................................................................................................101 

Gas Certification Sheets ..........................................................................................................138 

Field Data Sheets.....................................................................................................................142 
ICR Boiler MACT Emissions Report PES Report No.: M101402 

We Energies –Oak Creek Power Plant Unit 8 Outlet Duct April 6, 8, and 9, 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 We Energies at the Oak Creek Power Plant on the 

Unit 8 Outlet Duct on April 6, 8, and 9, 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 

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

Other Test Method 

27 (OTM27), PM2.5 

<PM2.5 Filterable Particulate, 

Total Filterable Particulate 

Other Test Method 

28 (OTM 28) Condensable Particulate 

USEPA Method 5/29 

Antimony (Sb), Arsenic (As), Beryllium 

(Be), Cadmium (Cd), Chromium (Cr), 

Cobalt (Co), Lead (Pb), Manganese 

(Mn), Nickel (Ni), and Selenium (Se), 

Filterable Particulate 

Unit 8 

Outlet 

Duct 

April 6, 8, 

and 9, 2010 

USEPA Method 30B Mercury (Hg) 

The identification of individuals associated with the test program is summarized 

below in Table 2. 

Table 2 

Test Personnel 

Location Address Contact 

Test 

Coordinator 

We Energies 

Oak Creek Power Plant 

Milwaukee, Wisconsin 

Ms. Brenda Bergemann 

(414) 221-2459 (phone) 

brenda.bergemann@we-energies.com 

Testing 

Company 

Representative 

Platt Environmental Services, Inc. 

1520 Kensington Road, Suite 204 

Oak Brook, Illinois 60523 

Mr. Mark Peterson 

Senior Project Manager 

(630) 521-9400 (phone) 

mpeterson@plattenv.com 

The test crew consisted of Messrs. M. Platt, J. Howe, J. Zeiss, A. Sorce, K. 

Jacobson, K. Achenbach, and M. Peterson 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.: M101402 

We Energies –Oak Creek Power Plant Unit 8 Outlet Duct April 6, 8, and 9, 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 

<PM2.5, filterable, lb/mmBtu 0.0083 

>PM2.5, filterable, lb/mmBtu 0.0038 

PM, condensable 0.0027 

<PM2.5, total, lb/mmBtu 0.0110 

Total PM, lb/mmBtu 0.0148 

Filterable PM, lb/mmBtu form M29 0.0112 

Sb, lb/mmBtu <7.37 E-07 

As, lb/mmBtu <1.26 E-06 

Be, lb/mmBtu <1.84 E-07 

Cd, lb/mmBtu <2.47 E-07 

Cr, lb/mmBtu <1.04 E-05 

Co, lb/mmBtu <7.00 E-07 

Pb, lbs/mmBtu <2.13 E-06 

Mn, lbs/mmBtu <3.10 E-05 

Ni, lb/mmBtu <2.22 E-05 

Se, lb/mmBtu 5.07 E-06 

Unit 8 Outlet 

Duct 

Hg, lb/mmBtu 4.46E-06 

Emission rates were calculated using a standard fuel factor of 9,820. 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.: M101402 

We Energies –Oak Creek Power Plant Unit 8 Outlet Duct April 6, 8, and 9, 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 

<PM2.5 Filterable Particulate, 

Total Filterable Particulate, 

Condensable Particulate, Sb, 

As, Be, Cd, Cr, Co, Pb, Mn, 

Ni, and Se 

Unit 8 Outlet 24 

Duct >0.5 >2.0 

Hg 3 

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.: M101402 

We Energies –Oak Creek Power Plant Unit 8 Outlet Duct April 6, 8, and 9, 2010 

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

A Servomex analyzer was used to determine stack gas oxygen (O2) and carbon 

dioxide content and, by difference, nitrogen content in accordance with Method 

3A, 40 CFR, Part 60, Appendix A for purposes of calculating stack gas molecular 

weight as well as for calculating emissions on a lb/mmBtu. The O2 instrument has 

a nondispersive infrared-based detector and operates in a range of 0-25%, the 

CO2 instrument also uses a nondispersive infrared-based detector and operates 

in the range of 0-20%. All of the equipment used was calibrated in accordance 

with the specifications of the Method. 

OTM27 Filterable Particulate Determination

Stack gas filterable particulate concentrations and emission rates were 

determined in accordance with Other Test Method 27 (OTM27) for determination 

of particulate matter less than 2.5 microns. An Environmental Supply Company, 

Inc. sampling train was used to sample stack gas at a constant rate, as specified 

in the Method. Filterable particulate matter was separated into two fractions; one 

containing less than PM2.5, the other greater than PM2.5. 

OTM 028 Condensable Particulate Determination 

Stack gas condensable particulate concentrations and emission rates were 

determined in accordance with the dry draft impinger method, in conjunction with 

Method OTM27 filterable particulate sampling. Condensable particulate matter 

was collected in the impinger portion of the Method OTM027 sampling train. 

The condensable particulate matter (CPM) was collected in impingers after 

filterable particulate material was collected utilizing Method OTM27. The organic 

and aqueous fractions were then taken to dryness and weighed. The total of all 

fractions represents the CPM. Compared to the December 17, 1991 promulgated 

Method 202, this Method includes the addition of a condenser, followed by a 

water dropout impinger immediately after the final heated filter. One modified 

Greenburg Smith impinger and an ambient temperature filter follow the water 

dropout impinger. A schematic of the sampling train configured with these 

changes is found in the Appendix. 

CPM was collected in the water dropout, modified Greenburg Smith impinger and 

ambient filter portion of the sampling train as described in this Method. The 

impinger contents were purged with nitrogen (N2) immediately after sample 

collection to remove dissolved sulfur dioxide (SO2) gases from the impingers. 

The impinger solution was then extracted with acetone and methylene chloride 

(MeCl2). The organic and aqueous fractions were dried and the residues 

weighed. The total of the aqueous and organic fractions represents the CPM. 

The samples were analyzed by PES personnel in Des Plaines, Illinois. 
ICR Boiler MACT Emissions Report PES Report No.: M101402 

We Energies –Oak Creek Power Plant Unit 8 Outlet Duct April 6, 8, and 9, 2010 

5 

Method 29 Trace Metals Determination

Stack gas metals concentrations and emission rates were determined in 

accordance with Method 29. An Environmental Supply Company, Inc. sampling 

train was used to sample stack gas, in the manner specified in the Method. 

Analyses of the samples collected were conducted by Maxxam Analytics, Inc. 

Samples were analyzed for the following metals, using Inductively Coupled 

Argon Plasma emission spectroscopy (ICP): Antimony, Arsenic, Beryllium, 

Cadmium, Chromium, Cobalt, Lead, Manganese, Nickel, and Selenium. All of the 

equipment used was calibrated in accordance with the specifications of the 

Method. Calibration data is presented in the Appendix. 

Mercury Determination by Method 30B (Sorbent Trap Method) 

Paired trains were utilized sampling three (3) test points at the Unit 8 Outlet Duct. 

Per Method 30B sampling, each sample was collected on the paired in-situ 

sorbent traps. A tube of silica was used to capture remaining moisture prior to the 

sample reaching the gas metering system. 

The sample train used for this test program was designed by APEX, Inc. and 

meet all requirements for Method 30B sampling. Samples were analyzed onsite 

utilizing an Ohio Lumex, Inc. analyzer for total gaseous mercury. 
ICR Boiler MACT Emissions Report PES Report No.: M101402 

We Energies –Oak Creek Power Plant Unit 8 Outlet Duct April 6, 8, and 9, 2010 

6 

4.0 Test Results Summaries 

Client:

Facility:

Test Location:

Test Method:

Normal Normal Normal

4/6/10 4/8/10 4/9/10

11:10 7:40 7:30

17:12 13:40 13:45

Run 1 Run 2 Run 3 Average

310.1 310.2 310.4 310.2

10.1% 9.6% 9.9% 9.9%

29.37 29.27 29.32 29.32

124.341 127.180 123.179 124.900

58.297 66.200 63.041 62.513

1,211,517 1,375,748 1,310,102 1,299,122

733,049 834,135 793,172 786,785

12.7 12.8 12.8 12.8

6.7 6.7 6.8 6.7

100.7 95.0 92.2 96.0

0.0019 0.0024 0.0031 0.0025

0.0031 0.0039 0.0052 0.0041

19.337 28.105 35.342 27.595

0.0064 0.0081 0.0104 0.0083

0.0008 0.0013 0.0012 0.0011

0.0014 0.0021 0.0020 0.0018

8.736 15.003 13.677 12.472

0.0029 0.0043 0.0042 0.0038

0.0009 0.0008 0.0007 0.0008

0.0015 0.0014 0.0011 0.0013

9.123 9.976 7.665 8.921

0.0030 0.0029 0.0023 0.0027

0.0028 0.0032 0.0038 0.0033

0.0046 0.0053 0.0063 0.0054

28.4600 38.0810 43.0070 36.516

0.0094 0.0110 0.0127 0.0110

0.0036 0.0045 0.0050 0.0044

0.0060 0.0074 0.0083 0.0072

37.1960 53.0840 56.6840 48.988

0.0123 0.0153 0.0169 0.0148

Gas Volumetric Flow Rate, dscfm

Average Flue Pressure, in. Hg

Isokinetic Variance

We Energies

Oak Creek Power Plant

Unit 8 Outlet Duct

Average Gas Velocity, ft/sec

Source Condition

Date

Start Time

Average Gas Temperature, °F

Stack Conditions

End Time

lb/mmBtu (Standard Fd Factor)

Condensable PM (OTM28)

grains/acf

grains/dscf

lb/hr

lb/mmBtu (Standard Fd Factor)

lb/hr

lb/mmBtu (Standard Fd Factor)

grains/dscf

lb/mmBtu (Standard Fd Factor)

grains/acf

Total PM

Filterable >PM2.5 (OTM27)

grains/acf

grains/dscf

lb/hr

OTM27/OTM28

grains/dscf

Filterable <PM2.5 (OTM27)

lb/hr

grains/acf

Gas Sample Volume, dscf

Flue Gas Moisture, percent by volume

Average %CO2 by volume, dry basis

Average %O2 by volume, dry basis

Gas Volumetric Flow Rate, acfm

Total PM<2.5

grains/acf

grains/dscf

lb/hr

lb/mmBtu (Standard Fd Factor)
ICR Boiler MACT Emissions Report PES Report No.: M101402 

We Energies –Oak Creek Power Plant Unit 8 Outlet Duct April 6, 8, and 9, 2010 

7 

Client:

Facility:

Test Location:

Test Method:

Normal Normal Normal

4/6/10 4/8/10 4/9/10

11:10 7:40 7:30

15:30 11:55 11:45

Run 1 Run 2 Run 3 Average

312.2 312.0 311.9 312.0

10.0% 10.3% 9.7% 10.0%

29.37 29.27 29.32 29.32

215.255 155.940 160.537 177.244

61.455 59.776 62.185 61.139

1,277,143 1,242,249 1,292,303 1,270,565

771,379 745,137 781,888 766,135

12.6 12.8 12.8 12.7

6.7 6.7 6.8 6.7

98.4 100.3 98.4 99.0

< 0.130 < 0.179 < 0.174 < 0.161

< 0.656 < 0.906 < 0.880 < 0.814

< 1.90E-03 < 2.53E-03 < 2.58E-03 < 2.33E-03

< 5.92E-07 < 8.20E-07 < 8.00E-07 < 7.37E-07

< 0.600 < 0.429 < 0.311 < 0.447

< 1.870 < 1.336 < 0.968 < 1.391

< 5.40E-03 < 3.73E-03 < 2.83E-03 < 3.99E-03

< 1.69E-06 < 1.21E-06 < 8.80E-07 < 1.26E-06

< 0.438 < 0.604 < 0.587 < 0.543

< 0.164 < 0.226 < 0.220 < 0.203

< 4.74E-04 < 6.32E-04 < 6.44E-04 < 5.83E-04

< 1.48E-07 < 2.04E-07 < 2.00E-07 < 1.84E-07

< 0.051 < 0.048 < 0.076 < 0.058

< 0.238 < 0.226 < 0.354 < 0.273

< 6.87E-04 < 6.32E-04 < 1.04E-03 < 7.86E-04

< 2.15E-07 < 2.04E-07 < 3.22E-07 < 2.47E-07

8.626 < 5.632 < 1.759 < 5.339

18.659 < 12.184 < 3.806 < 11.550

5.39E-02 < 3.40E-02 < 1.11E-02 < 3.30E-02

1.68E-05 < 1.10E-05 < 3.46E-06 < 1.04E-05

< 0.442 < 0.322 < 0.184 < 0.316

< 1.084 < 0.790 < 0.451 < 0.775

< 3.13E-03 < 2.21E-03 < 1.32E-03 < 2.22E-03

< 9.79E-07 < 7.13E-07 < 4.10E-07 < 7.00E-07

0.282 < 0.307 0.232 < 0.274

2.428 < 2.650 2.002 < 2.360

7.02E-03 < 7.40E-03 5.86E-03 < 6.76E-03

2.19E-06 < 2.39E-06 1.82E-06 < 2.13E-06

40.565 2.764 < 1.713 < 15.014

92.727 6.318 < 3.916 < 34.320

2.68E-01 1.76E-02 < 1.15E-02 < 9.90E-02

8.37E-05 5.70E-06 < 3.56E-06 < 3.10E-05

21.268 6.691 < 2.224 < 10.061

51.953 16.344 < 5.433 < 24.577

1.50E-01 4.56E-02 < 1.59E-02 < 7.05E-02

4.69E-05 1.47E-05 < 4.94E-06 < 2.22E-05

3.056 1.241 0.830 1.709

10.040 4.076 2.728 5.615

2.90E-02 1.14E-02 7.99E-03 1.61E-02

9.06E-06 3.68E-06 2.48E-06 5.07E-06

Average Flue Pressure, in. Hg

Date

Start Time

Stack Conditions

Flue Gas Moisture, percent by volume

End Time

We Energies

Oak Creek Power Plant

Unit 8 Outlet Duct

Source Condition

29

ppb

Gas Sample Volume, dscf

Average %O2 by volume, dry basis

Antimony (Sb) Emissions

Average Gas Temperature, °F

lb/hr

lb/mmBtu

ug/dscm

lb/mmBtu

Beryllium (Be) Emissions

lb/hr

Arsenic (As) Emissions

lb/mmBtu

ppm

ppb

Isokinetic Variance

Gas Volumetric Flow Rate, dscfm

Average %CO2 by volume, dry basis

Average Gas Velocity, ft/sec

Gas Volumetric Flow Rate, acfm

ug/dscm

lb/hr

ug/dscm

ug/dscm

lb/mmBtu

ppb

lb/hr

lb/mmBtu

ppb

Chromium (Cr) Emissions

Cadmium (Cd) Emissions

lb/hr

lb/mmBtu

ppb

ug/dscm

Lead (Pb) Emissions

ppb

ug/dscm

ug/dscm

Cobalt (Co) Emissions

lb/hr

ug/dscm

Nickel (Ni) Emissions

lb/hr

lb/hr

lb/mmBtu

lb/mmBtu

ppb

ug/dscm

Manganese (Mn) Emissions

ppb

lb/hr

lb/mmBtu

lb/mmBtu

Selenium (Se) Emissions

ppb

ug/dscm

lb/hr
ICR Boiler MACT Emissions Report PES Report No.: M101402 

We Energies –Oak Creek Power Plant Unit 8 Outlet Duct April 6, 8, and 9, 2010 

8 

Client:

Facility:

Test Location:

Test Method:

Normal Normal Normal

4/6/10 4/8/10 4/9/10

11:10 7:40 7:30

15:30 11:55 11:45

Run 1 Run 2 Run 3 Average

312.2 312.0 311.9 312.0

10.0% 10.3% 9.7% 10.0%

29.37 29.27 29.32 29.32

215.255 155.940 160.537 177.244

61.455 59.776 62.185 61.139

1,277,143 1,242,249 1,292,303 1,270,565

771,379 745,137 781,888 766,135

12.6 12.8 12.8 12.7

6.7 6.7 6.8 6.7

98.4 100.3 98.4 99.0

0.0044 0.0032 0.0022 0.0033

0.0073 0.0054 0.0036 0.0054

48.153 34.379 23.898 35.477

0.0150 0.0111 0.0074 0.0112

Method 5 data from Method 29 Sampling Train

grains/dscf

Filterable PM (Method 5)

lb/hr

grains/acf

lb/mmBtu (Standard Fd Factor)

We Energies

Oak Creek Power Plant

Unit 8 Outlet Duct

Average Gas Velocity, ft/sec

Source Condition

Date

Start Time

Average Gas Temperature, °F

Gas Sample Volume, dscf

Flue Gas Moisture, percent by volume

Stack Conditions

End Time

Average %CO2 by volume, dry basis

Average %O2 by volume, dry basis

Gas Volumetric Flow Rate, acfm

Gas Volumetric Flow Rate, dscfm

Average Flue Pressure, in. Hg

Isokinetic Variance
ICR Boiler MACT Emissions Report PES Report No.: M101402 

We Energies –Oak Creek Power Plant Unit 8 Outlet Duct April 6, 8, and 9, 2010 

9 

Vm lbs/mmBtu 

Method 30B (Sorbent Trap) Mercury Test Results Summary

We Energies

Oak Creek Power Plant

Unit 8 Outlet Duct

Test No. Date Start Time End Time (standard L) ng detected ppb ug/dscm ug/wscm (Fd Factor)

1A 4/6/2010 11:25 13:25 19.161 98.00 0.61 5.11 4.60 4.61E-06

1B 4/6/2010 11:25 13:25 19.408 97.00 0.60 5.00 4.50 4.51E-06

97.50 0.61 5.06 4.55 4.56E-06

2A 4/8/2010 7:55 9:55 19.452 96.50 0.59 4.96 4.45 4.48E-06

2B 4/8/2010 7:55 9:55 19.694 102.30 0.62 5.19 4.66 4.69E-06

99.40 0.61 5.08 4.55 4.58E-06

3A 4/9/2010 7:55 9:55 19.354 87.10 0.54 4.50 4.06 4.09E-06

3B 4/9/2010 7:55 9:55 19.572 95.00 0.58 4.85 4.38 4.41E-06

91.05 0.56 4.68 4.22 4.25E-06

Overall Average 95.98 0.59 4.94 4.44 4.46E-06

Run 3 Average

Run 1 Average

Run 2 Average
ICR Boiler MACT Emissions Report PES Report No.: M101402 

We Energies –Oak Creek Power Plant Unit 8 Outlet Duct April 6, 8, and 9, 2010 

10 

5.0 Conclusion and Certification 

PLATT ENVIRONMENTAL SERVICES is pleased to have been of service to We 

Energies. 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 

Mark E. Peterson 

__________________________________ Quality Assurance 

Jeffrey M. Crivlare 
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