Instructions for filling CEMS Information

This Information Collection Request (ICR) spreadsheet is intended to collect CEM data for CO, NO

and Oxidized). This spreadsheet is intended to be used for one boiler of one facility. Data for multiple boilers 

handled by using separate spreadsheets. Please rename each resulting spreadsheet with the following naming 

convention: [FacilityID]_Unit_[BoilerID]_CEMS.xls (example: 8100_Unit_2_CEMS.xls).

This spreadsheet is divided into several worksheets, which may be accessed by clicking on each of the color code

the bottom of the page. Please begin with the Boiler Information tab, then proceed to the Hourly tab for a given 

constituent, and then to the daily tab for the constituent. Yellow highlighted column headers mean that the field 

required. Gray highlighted cells do not require data entry, as they are filled in automatically from the informatio

you input on the Boiler Information worksheet. Green highlighting in a cell indicates that it should be populated 

drop-down menu, which is provided. 

Please refer to the following steps when using this spreadsheet. CEM data for each constituent are collected on 

worksheet, which are color coded by surrogate group. Additionally, your are asked to provide boiler specific info

about the control device configuration and fuel mix during the test for each surrogate group.

Boiler Information

1. Please enter the EIA Facility Code, Facility Name and Boiler ID of your boiler on the Boiler Information worksh

the first row. Note that column D contains each constituent/surrogate group combination being tested, and is c

coded to the various hourly and daily data entry tabs.

2. Please enter the typical control device configuration and operating rate used during the 30

Boiler Information worksheet in columns E and F for each constituent/surrogate group combination.

3. Please enter information about the typical fuel mix for the boiler used during the 30-day test period for each 

constituent/surrogate group in columns G through V on the Boiler information worksheet . You may specify up t

different fuels used in the mix, using drop-down boxes, as well as fuel input rate and units. The unit choices are 

in a drop-down box. If you choose "other" as your fuel, you must specify the fuel in the "Specify if Fuel is other" 

4. If applicable, please enter Operational Upsets or other Important Conditions Occurring During 30 Day Period 

Boiler Information worksheet in column W.

CEM Hourly Average Results

There are 5 hourly average results worksheets in this spreadsheet, including CO, NOX, SO2 

There are 720 rows for which you may enter data, one for each hour of a 30 day monitoring period. You must e

the unit of measure on this worksheet from your CEM readout and the converted values for both lb/MMBtu and 

@ 7% O2. Please ensure that you are entering CO, NOX, SO2(Organic and Acid Gas), and Hg data in the appropria

worksheets. As you scroll to the right on each of these screens, you will find text boxes, which expand as you typ

requesting that you provide the equations/description of the process used to convert to both lb/MMBtu and ppm

O2.

Note: To convert from a wet to a dry concentration value, EPA suggests the moisture approximation method in 

(i.e., Appendix A, section 2.1.5, the minimum potential moisture of 3.0 percent or a measured value from the pa

the tester can calculate the concentration in units of ppmvd@ 7 percent O2 using the CO2 data. The tester can d

O2 values from the CO2 measurements using Method 3B, equation 3B-2 or part 75, appendix F, equation F

equation algebraically).
equation algebraically).

1. In the red box, please provide the date and hour of each average, along with the converted values for both lb

and ppmvd @ 7% O2. Then provide the correction factor and , if applicable, the standard fuel F

2. In the top green box that is to the right of the spread sheet, please provide the equations and a narrative desc

(as necessary) that you used to convert from hourly units of measure to daily units of Measure (lb/MMBtu).

3. In the lower green box that is to the right of the spread sheet, please provide the equations and a narrative d

(as necessary) that you used to convert from hourly units of measure to daily units of Measure (ppmvd @ 7% O

CEM Daily Average Results

There are 5 daily average results worksheets in this spreadsheet, including CO, NOX, SO2 Organic, SO

The intent of this worksheet is for you to provide daily average data based on the hourly data that you provided 

boiler, in both lb/MMBtu and ppmvd @ 7% O2. Please ensure that you are entering CO, NO

and Hg data in the appropriate worksheets.

1. Please provide the date of each average, along with the converted values for both lb/MMBtu and ppmvd @ 7

2. Please provide the correction factor and , if applicable, the standard fuel F-Factor.

3. Please provide the average load in Megawatts for each day of the 30-day test period.
CEM data for CO, NOX, SO2, and Hg (Elemental 

e facility. Data for multiple boilers should be 

readsheet with the following naming 

by clicking on each of the color coded tabs at 

proceed to the Hourly tab for a given 

 column headers mean that the field is 

n automatically from the information that 

ndicates that it should be populated using a 

or each constituent are collected on their own 

 asked to provide boiler specific information 

surrogate group.

ler on the Boiler Information worksheet. on 

p combination being tested, and is color 

sed during the 30-day test period on the 

gate group combination.

day test period for each 

on worksheet . You may specify up to 4 

ate and units. The unit choices are contained 

 fuel in the "Specify if Fuel is other" column.

ons Occurring During 30 Day Period on the 

2 Organic, SO2 Acid Gas, and Hg. 

day monitoring period. You must enter both 

erted values for both lb/MMBtu and ppmvd 

d Gas), and Hg data in the appropriate 

text boxes, which expand as you type, 

o convert to both lb/MMBtu and ppmvd @ 7% 

moisture approximation method in Part 75 

nt or a measured value from the past). Also, 

using the CO2 data. The tester can determine 

art 75, appendix F, equation F-14b (same 
ith the converted values for both lb/MMBtu 

the standard fuel F-Factor.

e the equations and a narrative description 

y units of Measure (lb/MMBtu).

vide the equations and a narrative description

y units of Measure (ppmvd @ 7% O2).

Organic, SO2 Acid Gas, and Hg. 

n the hourly data that you provided for your 

entering CO, NOX, SO2 Organic, SO2 Acid Gas, 

for both lb/MMBtu and ppmvd @ 7% O2. 
EIA Facility Code Facility Name Boiler ID Pollutant

10849 Silver Bay Power BLR1 CO Organic HAP

10849 Silver Bay Power BLR1 SO2 Organic HAP

10849 Silver Bay Power BLR1 NOx Acid Gas

10849 Silver Bay Power BLR1 SO2 Acid Gas

10849 Silver Bay Power BLR1 Hg Metallic
Typical Control Device Configuration During 30 Day Test
Typical Operating Rate 

During 30 Day Test 

(MMBtu/hr)

Typical Fuel 

Mix During 30 

Day Test: Fuel 

1

Specify If Fuel 1 

is Other

Fuel 1 Input 

Rate

Fuel 1 Input 

Rate Units

Typical Fuel 

Mix During 

30 Day Test: 

Fuel 2

Specify If 

Fuel 2 is 

Other

610 subbituminous

610 subbituminous
Fuel 2 Input 

Rate

Fuel 2 Input 

Rate Units

Typical Fuel 

Mix During 

30 Day Test: 

Fuel 3

Specify If 

Fuel 3 is 

Other

Fuel 3 Input 

Rate

Fuel 3 Input 

Rate Units

Typical Fuel 

Mix During 

30 Day Test: 

Fuel 4

Specify If 

Fuel 4 is 

Other

Fuel 4 Input 

Rate
Fuel 4 Input 

Rate Units

List Operational Upsets or other Important 

Conditions Occuring During 30 Day Period
EIA Facility Code Facility Name Boiler ID

10849 Silver Bay Power BLR1

Step 1.

Date 

(MM/DD/YYYY)

Hour 

(HH24:MM)

Emission 

Value

(lb/MMBtu)

Emission Value

(ppmvd @ 7% O2)

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CEM Hourly Average Emission Data Points for Most Recent 30 
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Hourly CO Emission Value 

(CEM Units of Measure)

Emission Unit of 

Measure Recorded 

by CEM

Oxygen Content 

(%)

Standard Fuel FFactor 

(Fd, Fw, or Fc =.....)

nts for Most Recent 30 Day Averaging Period for Carbon Monoxide













Step 2.

Sample Unit Conversion Equation from CEM Units of Measure to pounds per million BTU (lb/MMBtu):

Step 3.

Sample Unit Conversion Equation from Hourly Units of parts per million by volume dry basis at 7% O2(ppmvd @ 7% O













(ppmvd @ 7% O2

):
EIA Facility Code Facility Name Boiler ID

10849 Silver Bay Power BLR1

Date 

(MM/DD/YYYY)

Emission Value

(lb/MMBtu)

Emission Value

(ppmvd @ 7% O2)

Day 1

Day 2

Day 3

Day 4

Day 5

Day 6

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Day 27

Day 28

Day 29

Day 30

CEM Daily Average Emission Data Points for Most Recent 30 Day Avera
Oxygen Content 

(%)

Standard Fuel FFactor 

(Fd, Fw, or Fc =.....)

Average Load

(MW)

 Most Recent 30 Day Averaging Period for Carbon Monoxide
EIA Facility Code Facility Name Boiler ID

10849 Silver Bay Power BLR1

Step 1.

Date (MM/DD/YYYY)

Hour 

(HH24:MM)

Emission 

Value

(lb/MMBtu)

Day1 Hour 1

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CEM Hourly Average Emission Data Points for Most Rece
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Emission Value

(ppmvd @ 7% O2)

Hourly SO2 Emission Value 

(CEM Units of Measure)

Emission Unit of 

Measure Recorded 

by CEM

Oxygen 

Content (%)

Emission Data Points for Most Recent 30 Day Averaging Period for Sulfur Dioxide















Standard Fuel FFactor 

(Fd, Fw, or Fc =.....)

Step 2.

Sample Unit Conversion Equation from CEM Units of Measure to pounds per million BTU 

Step 3.

Sample Unit Conversion Equation from Hourly Units of parts per million by volume dry ba















Measure to pounds per million BTU (lb/MMBtu):

 parts per million by volume dry basis at 7% O2(ppmvd @ 7% O2):
EIA Facility Code Facility Name Boiler ID

10849 Silver Bay Power BLR1

Date (MM/DD/YYYY)

Emission Value

(lb/MMBtu)

Emission Value

(ppmvd @ 7% O2)*

Day 1 3/5/2010 0.43 156

Day 2 3/6/2010 0.44 156

Day 3 3/7/2010 0.45 156

Day 4 3/8/2010 0.44 167

Day 5 3/9/2010 0.44 159

Day 6 3/10/2010 0.44 159

Day 7 3/11/2010 0.44 156

Day 8 3/12/2010 0.43 154

Day 9 3/13/2010 0.43 149

Day 10 3/14/2010 0.45 161

Day 11 3/15/2010 0.44 169

Day 12 3/16/2010 0.44 160

Day 13 3/17/2010 0.45 163

Day 14 3/18/2010 0.45 163

Day 15 3/19/2010 0.44 157

Day 16 3/20/2010 0.45 159

Day 17 3/21/2010 0.44 158

Day 18 3/22/2010 0.43 156

Day 19 3/23/2010 0.43 157

Day 20 3/24/2010 0.44 160

Day 21 3/25/2010 0.45 163

Day 22 3/26/2010 0.45 162

Day 23 3/27/2010 0.45 162

Day 24 3/28/2010 0.44 155

Day 25 3/29/2010 0.44 165

Day 26 3/30/2010 0.41 143

Day 27 3/31/2010 0.45 167

Day 28 4/1/2010 0.45 164

Day 29 4/2/2010 0.45 165

Day 30 4/3/2010 0.45 163

CEM Daily Average Emission Data Points for Most Recent 30 Day Aver
Oxygen Content 

(%)

Standard Fuel FFactor 

(Fd, Fw, or Fc =.....)

Average Load

(MW)

8.3 42 141

8.3 42 141

8.5 43 139

8.8 44 145 1008

8.2 41 145 1012

8.2 35 145 1042

8.1 32 144 1052

8.3 42 140 994

8.4 42 134 828

8.9 43 139 761

9 41 145 1014

8.3 40 145 997

8.21 33 149 1033

8.1 31 150 986

8.1 41 145 955

8.2 41 145 785

8.3 42 143 743

8.3 43 141 989

8.3 43 142 994

8.2 34 146 1008

8.1 34 150 1041

8.1 42 149 1028

8.2 43 148 811

8.2 43 142 822

8.4 43 148 1009

7.9 41 134 1022

8.3 33 151 1024

8.3 34 149 1030

8.3 43 150 987

8.3 41.41666667 148 782

807

1029

961

ints for Most Recent 30 Day Averaging Period for Sulfur Dioxide * Note: To convert from a wet to a 

method in Part 75 (i.e., Appendix A, 

measured value from the past).

percent O2 using the CO

Method 3B, equation 3B
42

42.1666667

43.4166667

43.8333333

41.4166667

34.5

31.7083333

42.25

41.5416667

43.0416667

41.0833333

39.7916667

32.7083333

30.9583333

41.2083333

41.4166667

42

43.375

42.8333333

33.7916667

34.25

42.0416667

42.5833333

42.6666667

42.9166667

41.125

32.5833333

33.625

42.875

40.0416667

 To convert from a wet to a dry concentration value, EPA suggests the moisture approximation 

d in Part 75 (i.e., Appendix A, section 2.1.5, the minimum potential moisture of 3.0 percent or a 

ed value from the past). Also, the tester can calculate the concentration in units of ppmvd@ 7 

using the CO2 data. The tester can determine O2values from the CO2 measurements using 

d 3B, equation 3B-2 or part 75, appendix F, equation F-14b (same equation algebraically).
EIA Facility Code Facility Name Boiler ID

10849 Silver Bay Power BLR1

Step 1.

Date 

(MM/DD/YYYY)

Hour 

(HH24:MM)

Emission 

Value

(lb/MMBtu)

Emission Value

(ppmvd @ 7% O2)

Day1 Hour 1

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CEM Hourly Average Emission Data Points for Most Recent 30 Day 
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Day30 Hour 7

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Day30 Hour 9

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Day30 Hour 11
Day30 Hour 12

Day30 Hour 13

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Day30 Hour 16

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Day30 Hour 20

Day30 Hour 21

Day30 Hour 22

Day30 Hour 23

Day30 Hour 24
Hourly NOX Emission 

Value 

(CEM Units of Measure)

Emission Unit of 

Measure Recorded 

by CEM

Oxygen 

Content 

(%)

Standard Fuel FFactor 

(Fd, Fw, or Fc =.....)

for Most Recent 30 Day Averaging Period for Nitrogen Oxides Step 2.

Sample Unit

Step 3.

Sample Unit Conversion 













Sample Unit Conversion Equation from CEM Units of Measure to pounds per million BTU (lb/MMBtu):

Sample Unit Conversion Equation from Hourly Units of parts per million by volume dry basis at 7% O2(ppmvd @ 7% O2):














EIA Facility Code Facility Name Boiler ID

10849 Silver Bay Power BLR1

Date 

(MM/DD/YYYY)

Emission Value

(lb/MMBtu)

Emission Value

(ppmvd @ 7% O2)

Day 1 3/5/2010 0.592 295.65

Day 2 3/6/2010 0.595 292.34

Day 3 3/7/2010 0.616 299.30

Day 4 3/8/2010 0.619 325.10

Day 5 3/9/2010 0.609 304.27

Day 6 3/10/2010 0.612 307.55

Day 7 3/11/2010 0.607 297.55

Day 8 3/12/2010 0.616 303.37

Day 9 3/13/2010 0.617 295.79

Day 10 3/14/2010 0.648 318.54

Day 11 3/15/2010 0.606 318.88

Day 12 3/16/2010 0.593 298.96

Day 13 3/17/2010 0.608 305.60

Day 14 3/18/2010 0.644 320.35

Day 15 3/19/2010 0.610 301.89

Day 16 3/20/2010 0.510 268.15

Day 17 3/21/2010 0.580 286.83

Day 18 3/22/2010 0.636 316.61

Day 19 3/23/2010 0.633 317.71

Day 20 3/24/2010 0.627 314.12

Day 21 3/25/2010 0.611 304.06

Day 22 3/26/2010 0.612 304.06

Day 23 3/27/2010 0.551 306.46

Day 24 3/28/2010 0.582 274.72

Day 25 3/29/2010 0.601 288.01

Day 26 3/30/2010 0.528 299.38

Day 27 3/31/2010 0.608 263.66

Day 28 4/1/2010 0.621 309.99

Day 29 4/2/2010 0.611 315.51

Day 30 4/3/2010 0.565 309.99

CEM Daily Average Emission Data Points for Most Recent 30 Day Averaging 
Oxygen 

Content 

(%)

Standard Fuel FFactor 

(Fd, Fw, or Fc =.....)

Average Load

(MW)

8.3 42.0

8.3 42.2

8.5 43.4

8.8 43.8

8.2 41.4

8.2 34.5

8.1 31.7

8.3 42.3

8.4 41.5

8.9 43.0

9 41.1

8.3 39.8

8.21 32.7

8.1 31.0

8.1 41.2

8.2 41.4

8.3 42.0

8.3 43.4

8.3 42.8

8.2 33.8

8.1 34.3

8.1 42.0

8.2 42.6

8.2 42.7

8.4 42.9

7.9 41.1

8.3 32.6

8.3 33.6

8.3 42.9

8.3 41.4

or Most Recent 30 Day Averaging Period for Nitrogen Oxides
EIA Facility Code Facility Name Boiler ID

10849 Silver Bay Power BLR1

Step 1.

Date (MM/DD/YYYY)

Hour 

(HH24:MM)

Emission 

Value

(lb/MMBtu)

Day1 Hour 1

Day1 Hour 2

Day1 Hour 3

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CEM Hourly Average Emission Data Points for Most Rece
Day2 Hour 17

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Day30 Hour 1

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Day30 Hour 24
Emission Value

(ppmvd @ 7% O2)

Hourly SO2 Emission Value 

(CEM Units of Measure)

Emission Unit of 

Measure Recorded 

by CEM

Oxygen 

Content (%)

Emission Data Points for Most Recent 30 Day Averaging Period for Sulfur Dioxide















Standard Fuel FFactor 

(Fd, Fw, or Fc =.....)

Step 2.

Sample Unit Conversion Equation from CEM Units of Measure to pounds per million BTU 

Step 3.

Sample Unit Conversion Equation from Hourly Units of parts per million by volume dry ba















Measure to pounds per million BTU (lb/MMBtu):

 parts per million by volume dry basis at 7% O2(ppmvd @ 7% O2):
EIA Facility Code Facility Name Boiler ID

10849 Silver Bay Power BLR1

Date (MM/DD/YYYY)

Emission Value

(lb/MMBtu)

Emission Value

(ppmvd @ 7% O2)*

Day 1

Day 2

Day 3

Day 4

Day 5

Day 6

Day 7

Day 8

Day 9

Day 10

Day 11

Day 12

Day 13

Day 14

Day 15

Day 16

Day 17

Day 18

Day 19

Day 20

Day 21

Day 22

Day 23

Day 24

Day 25

Day 26

Day 27

Day 28

Day 29

Day 30

CEM Daily Average Emission Data Points for Most Recent 30 Day Ave
Oxygen Content 

(%)

Standard Fuel FFactor 

(Fd, Fw, or Fc =.....)

Average Load

(MW)

oints for Most Recent 30 Day Averaging Period for Sulfur Dioxide * Note: To convert from a wet to a dry concentration 

method in Part 75 (i.e., Appendix A, section 2.1.5, the 

measured value from the past). Also, the tester can ca

percent O2 using the CO2 data. The tester can determ

Method 3B, equation 3B-2 or part 75, appendix F, equ
wet to a dry concentration value, EPA suggests the moisture approximation 

pendix A, section 2.1.5, the minimum potential moisture of 3.0 percent or a 

the tester can calculate the concentration in units of ppmvd@ 7 

ata. The tester can determine O2values from the CO2 measurements using 

or part 75, appendix F, equation F-14b (same equation algebraically).
EIA Facility Code Facility Name Boiler ID

10849 Silver Bay Power BLR1

Step 1.

Date 

(MM/DD/YYYY

)

Hour 

(HH24:MM)

Hourly Total Vapor Phase 

Mercury Emission Value

(lb/MMBtu)

Day1 Hour 1

Day1 Hour 2

Day1 Hour 3

Day1 Hour 4

Day1 Hour 5

Day1 Hour 6

Day1 Hour 7

Day1 Hour 8

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Day2 Hour 23

CEM Hourly Average Emission Data Points for Most Recent 30 Day Averaging 
Day2 Hour 24

Day3 Hour 1

Day3 Hour 2

Day3 Hour 3

Day3 Hour 4

Day3 Hour 5

Day3 Hour 6

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Day11 Hour 1

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Day15 Hour 1

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Day16 Hour 1

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Day16 Hour 9

Day16 Hour 10

Day16 Hour 11

Day16 Hour 12

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Day16 Hour 15

Day16 Hour 16

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Day16 Hour 19

Day16 Hour 20

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Day17 Hour 1

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Day18 Hour 1

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Day25 Hour 1

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Day25 Hour 12

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Day25 Hour 15

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Day25 Hour 19

Day25 Hour 20

Day25 Hour 21
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Day25 Hour 23

Day25 Hour 24

Day26 Hour 1

Day26 Hour 2

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Day26 Hour 5

Day26 Hour 6

Day26 Hour 7

Day26 Hour 8

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Day26 Hour 24

Day27 Hour 1

Day27 Hour 2

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Day27 Hour 24

Day28 Hour 1

Day28 Hour 2

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Day29 Hour 1

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Day29 Hour 24

Day30 Hour 1

Day30 Hour 2

Day30 Hour 3

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Day30 Hour 11
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Day30 Hour 24
Hourly Total Vapor Phase 

Mercury Emission Value

(ppmvd @ 7% O2)

Hourly Total Vapor Phase 

Mercury Emission Value 

(μg/dscm)

Oxygen 

Content 

(%)

Standard Fuel FFactor 

(Fd, Fw, or Fc =.....)

Most Recent 30 Day Averaging Period for Mercury













Step 2.

Sample Unit Conversion Equation from CEM Units of Measure to pounds per million BTU (lb/MMBtu):

Step 3.

Sample Unit Conversion Equation from Hourly Units of parts per million by volume dry basis at 7% O2(ppmvd @ 7% O













(ppmvd @ 7% O2

):
EIA Facility Code Facility Name Boiler ID

10849 Silver Bay Power BLR1

Date 

(MM/DD/YYYY)

Hourly Total Vapor Phase 

Mercury Emission Value

(lb/MMBtu)

Day 1

Day 2

Day 3

Day 4

Day 5

Day 6

Day 7

Day 8

Day 9

Day 10

Day 11

Day 12

Day 13

Day 14

Day 15

Day 16

Day 17

Day 18

Day 19

Day 20

Day 21

Day 22

Day 23

Day 24

Day 25

Day 26

Day 27

Day 28

Day 29

Day 30

CEM Daily Average Emission Data Points for Mo
Hourly Total Vapor Phase 

Mercury Emission Value

(ppmvd @ 7% O2)

Hourly Total Vapor 

Phase Mercury Emission 

Value (μg/dscm)

Oxygen 

Content 

(%)

Standard Fuel FFactor 

(Fd, Fw, or Fc =.....)

Daily Average Emission Data Points for Most Recent 30 Day Averaging Period for Mercury
Average Load

(MW)