# Emission Estimation Calculators - Booklet 2

## Introduction

These downloadable spreadsheet calculators were designed to assist with estimating the releases of National Pollutant Release Inventory (NPRI) substances from a variety of common operations or processes. The tools are focused on releases to air and are based primarily on default emission factors, however they can be adapted for the use of site-specific emission factors where these exist.

Since NPRI reporting thresholds are for the facility as a whole, the air releases calculated using these tools will need to be combined with releases from other sources and activities at the facility where applicable.

## Diesel Fuel Generator – Hours of Operation

Operation of a generator (reciprocating engine) with diesel fuel combustion (up to 600 horsepower) results in release of Part 1, 2, 4 and 5 Substances.

Download spreadsheet calculator: Diesel Fuel Generator – Hours of Operation [xlsx 48 kb] (23 Feb 2016)

### Suggested estimation methodology: Emissions Factor

The general equation for emissions estimation is:

E = A x EF

where:

- E = emissions
- A = activity Rate
- EF = emissions factor

#### Input Data

B = Hours of operation [hours]

C = Operating horsepower [hp]

Calculate the activity rate by the following formula:

A = B x C

Then calculate the emissions for each applicable substance by using the appropriate emissions factors given in the tables below.

#### Substance Releases

Substance Name | Chemical Abstracts Service Registry Number (CAS RN)^{Footnote1} | Part | Emission Factor (EF)^{Footnote2} | EF Units |
---|---|---|---|---|

Acetaldehyde | 75-07-0 | 1A | 2.435E-06 | kg/hp - hour |

Acrolein | 107-08-8 | 1A | 1.469E-07 | kg/hp - hour |

Anthracene | 120-12-7 | 1A | 5.938E-09 | kg/hp - hour |

Benzene | 71-43-2 | 1A | 2.962E-06 | kg/hp - hour |

1,3-Butadiene | 106-99-0 | 1A | 6.207E-08 | kg/hp - hour |

Formaldehyde | 50-00-0 | 1A | 3.747E-06 | kg/hp - hour |

Naphthalene | 91-20-3 | 1A | 2.693E-07 | kg/hp - hour |

Propylene | 115-07-1 | 1A | 8.192E-06 | kg/hp - hour |

Toluene | 108-88-3 | 1A | 1.299E-06 | kg/hp - hour |

Isomers of Xylene | 1330-20-7 | 1A | 9.049E-07 | kg/hp - hour |

Mercury | 7439-97-6 | 1B | 9.570E-10 | kg/hp - hour |

Substance Name | Chemical Abstracts Service Registry Number (CAS RN)^{Footnote1} | Emission Factor (EF)^{Footnote2} | EF Units |
---|---|---|---|

Acenaphthene | 83-32-9 | 2.254E-09 | kg/hp - hour |

Acenaphthylene | 208-96-8 | 8.033E-09 | kg/hp - hour |

Benzo (a) anthracene | 56-55-3 | 5.334E-09 | kg/hp - hour |

Benzo (a) phenanthrene | 218-01-9 | 1.121E-09 | kg/hp - hour |

Benzo (a) pyrene | 50-32-8 | 2.985E-10 | kg/hp - hour |

Benzo (b) fluoranthene | 205-99-2 | 1.573E-10 | kg/hp - hour |

Benzo (g,h,i) perylene | 191-24-2 | 7.763E-10 | kg/hp - hour |

Benzo (k) fluoranthene | 207-08-9 | 2.461E-10 | kg/hp - hour |

Dibenzo (a,h) anthracene | 53-70-3 | 9.256E-10 | kg/hp - hour |

Fluoranthene | 206-44-0 | 2.416E-08 | kg/hp - hour |

Fluorene | 86-73-7 | 9.271E-08 | kg/hp - hour |

Indeno(1,2,3-c,d) pyrene | 193-39-5 | 5.953E-10 | kg/hp - hour |

Phenanthrene | 85-01-8 | 9.335E-08 | kg/hp - hour |

Pyrene | 129-00-0 | 1.518E-08 | kg/hp - hour |

Substance Name | Chemical Abstracts Service Registry Number (CAS RN)^{Footnote1} | Emission Factor (EF)^{Footnote2} | EF Units |
---|---|---|---|

Carbon Monoxide (CO) | 630-08-0 | 3.029E-03 | kg/hp - hour |

Sulphur Dioxide (SO_{2}) | 7446-09-5 | 9.294E-04 | kg/hp - hour |

Oxides of Nitrogen (NO_{x}), expressed as nitrogen dioxide (NO_{2}) | 11104-93-1 | 1.405E-02 | kg/hp - hour |

Volatile Organic Compounds (VOCs) | ^{Footnote*} | 1.120E-03 | kg/hp - hour |

Total Particulate Matter (TPM) | ^{Footnote*} | 9.974E-04 | kg/hp - hour |

Particulate Matter less than or equal to 10 micrometers (µm) (PM_{10}) | ^{Footnote*} | 9.974E-04 | kg/hp - hour |

Particulate Matter less than or equal to 2.5 µm (PM_{2.5}) | ^{Footnote*} | 9.974E-04 | kg/hp - hour |

Substance Name | Chemical Abstracts Service Registry Number (CAS RN)^{Footnote1} | Emission Factor (EF)^{Footnote2} | EF Units |
---|---|---|---|

Benzene | 71-43-2 | 2.962E-06 | kg/hp - hour |

1,3-Butadiene | 106-99-0 | 6.207E-08 | kg/hp - hour |

Formaldehyde | 50-00-0 | 3.747E-06 | kg/hp - hour |

Propylene | 115-07-1 | 8.192E-06 | kg/hp - hour |

Toluene | 108-88-3 | 1.299E-06 | kg/hp - hour |

Isomers of Xylene | 1330-20-7 | 9.049E-07 | kg/hp - hour |

### Note on Emissions Factors

The default emission factors are used in the table above, however if you have a site specific emission factor you would prefer to use you may enter it in the emission factor column. If you choose to insert your own emission factor ensure that the units have been converted accordingly.

The emission factors used in this spreadsheet are based on uncontrolled emissions. If you are using an emission control device you will have to adjust the emissions calculated by this spreadsheet according to the following formula:

**Controlled Emissions = Uncontrolled emission x ((100 - control efficiency)/100)**

## Diesel Fuel Generator – Fuel Usage

Operation of a generator (reciprocating engine) with diesel fuel combustion (up to 600 horsepower) results in release of Part 1, 2, 4 and 5 Substances.

Download spreadsheet calculator: Diesel Fuel Generator – Fuel Usage [xlsx 45 kb] (23 Feb 2016)

### Suggested estimation methodology: Emissions Factor

The general equation for emissions estimation is:

E = A x EF

where:

- E = emissions
- A = activity Rate
- EF = emissions factor

#### Input Data

A = Amount of diesel burned [cubic meters (m^{3}) or Liters (L)]

B = Heating value of natural gas [Giga Joules (GJ)/m^{3}]^{Footnote*}

If the amount of diesel in known in liters you must convert it to cubic meters by the following formula:

A[m^{3}] = A[L]/1000

Finally calculate the emissions for each applicable substance by using the appropriate emissions factors given in the tables below.

### Substance Releases

Substance Name | Chemical Abstracts Service Registry Number (CAS RN)^{Footnote1} | Part | Emission Factor (EF)^{Footnote2} | EF Units |
---|---|---|---|---|

Acetaldehyde | 75-07-0 | 1A | 1.259E-02 | kg/m^{3} |

Acrolein | 107-08-8 | 1A | 7.593E-04 | kg/m^{3} |

Anthracene | 120-12-7 | 1A | 3.070E-05 | kg/m^{3} |

Benzene | 71-43-2 | 1A | 1.532E-02 | kg/m^{3} |

1,3-Butadiene | 106-99-0 | 1A | 3.209E-04 | kg/m^{3} |

Formaldehyde | 50-00-0 | 1A | 1.937E-02 | kg/m^{3} |

Naphthalene | 91-20-3 | 1A | 1.392E-03 | kg/m^{3} |

Propylene | 115-07-1 | 1A | 4.235E-02 | kg/m^{3} |

Toluene | 108-88-3 | 1A | 6.714E-03 | kg/m^{3} |

Isomers of Xylene | 1330-20-7 | 1A | 4.679E-03 | kg/m^{3} |

Mercury | 7439-97-6 | 1B | 4.948E-06 | kg/m^{3} |

Substance Name | Chemical Abstracts Service Registry Number (CAS RN)^{Footnote1} | Emission Factor (EF)^{Footnote2} | EF Units |
---|---|---|---|

Acenaphthene | 83-32-9 | 1.166E-05 | kg/m^{3} |

Acenaphthylene | 208-96-8 | 4.153E-05 | kg/m^{3} |

Benzo (a) anthracene | 56-55-3 | 2.758E-05 | kg/m^{3} |

Benzo (a) phenanthrene | 218-01-9 | 5.795E-06 | kg/m^{3} |

Benzo (a) pyrene | 50-32-8 | 1.543E-06 | kg/m^{3} |

Benzo (b) fluoranthene | 205-99-2 | 8.134E-07 | kg/m^{3} |

Benzo (g,h,i) perylene | 191-24-2 | 4.014E-06 | kg/m^{3} |

Benzo (k) fluoranthene | 207-08-9 | 1.272E-06 | kg/m^{3} |

Dibenzo (a,h) anthracene | 53-70-3 | 4.785E-06 | kg/m^{3} |

Fluoranthene | 206-44-0 | 1.249E-04 | kg/m^{3} |

Fluorene | 86-73-7 | 4.794E-04 | kg/m^{3} |

Indeno(1,2,3-c,d) pyrene | 193-39-5 | 3.078E-06 | kg/m^{3} |

Phenanthrene | 85-01-8 | 4.826E-04 | kg/m^{3} |

Pyrene | 129-00-0 | 7.847E-05 | kg/m^{3} |

Substance Name | Chemical Abstracts Service Registry Number (CAS RN)^{Footnote1} | Emission Factor (EF)^{Footnote2}^{Footnote**} | EF Units |
---|---|---|---|

Carbon Monoxide (CO) | 630-08-0 | 0.4084 x B | kg/m^{3} |

Sulphur Dioxide (SO_{2}) | 7446-09-5 | 0.1247 x B | kg/m^{3} |

Oxides of Nitrogen (NO_{x}), expressed as nitrogen dioxide (NO_{2}) | 11104-93-1 | 1.8960 x B | kg/m^{3} |

Volatile Organic Compounds (VOCs) | ^{Footnote***} | 0.1548 x B | kg/m^{3} |

Total Particulate Matter (TPM) | ^{Footnote***} | 0.1333 x B | kg/m^{3} |

Particulate Matter less than or equal to 10 micrometers (µm) (PM_{10}) | ^{Footnote***} | 0.1333 x B | kg/m^{3} |

Particulate Matter less than or equal to 2.5 µm (PM_{2.5}) | ^{Footnote***} | 0.1333 x B | kg/m^{3} |

Substance Name | Chemical Abstracts Service Registry Number (CAS RN)^{Footnote1} | Emission Factor (EF)^{Footnote2}^{Footnote**} | EF Units |
---|---|---|---|

Benzene | 71-43-2 | 4.011E-04 x B | kg/m^{3} |

1,3-Butadiene | 106-99-0 | 8.405E-06 x B | kg/m^{3} |

Formaldehyde | 50-00-0 | 5.073E-04 x B | kg/m^{3} |

Propylene | 115-07-1 | 1.109E-03 x B | kg/m^{3} |

Toluene | 108-88-3 | 1.758E-04 x B | kg/m^{3} |

Isomers of Xylene | 1330-20-7 | 1.225E-04 x B | kg/m^{3} |

#### Note on Emissions Factors

National Pollutant Release Inventory (NPRI) Basis of Estimate Code = E2 (Published Emission Factors).

The default emission factors are used in the table above, however if you have a site specific emission factor you would prefer to use you may enter it in the emission factor column. If you choose to insert your own emission factor ensure that the units have been converted accordingly.

The emission factors used in this spreadsheet are based on uncontrolled emissions. If you are using an emission control device you will have to adjust the emissions calculated by this spreadsheet according to the following formula:

**Controlled Emissions = Uncontrolled emission x ((100 - control efficiency)/100)**

## Large Stationary Diesel Engine (>600 hp)

Operation of a large stationary diesel engine (greater than 600 horsepower) results in release of Part 1, 2, 4 and 5 Substances from diesel fuel combustion.

Download spreadsheet calculator: Large Stationary Diesel Engine [xlsx 46 kb] (23 Feb 2016)

### Suggested estimation methodology: Emissions Factor

The general equation for emissions estimation is:

E = A x EF

where:

- E = emissions
- A = activity Rate
- EF = emissions factor

#### Input Data

A = Amount of diesel burned [cubic meters (m^{3}) or Liters (L)]

B = Heating value of natural gas [Giga Joules (GJ)/m^{3}]^{Footnote*}

C = Sulphur content [%]^{Footnote**}

If the amount of diesel in known in liters you must convert it to cubic meters by the following formula:

A[m^{3}] = A[L]/1000

Finally calculate the emissions for each applicable substance by using the appropriate emissions factors given in the tables below. To calculate the emissions in tonnes divide the emission in kilograms by 1000.

#### Substance Releases

Substance Name | Chemical Abstracts Service Registry Number (CAS RN)^{Footnote1} | Emission Factor (EF)^{Footnote2}^{Footnote***} | EF Units |
---|---|---|---|

Acetaldehyde | 75-07-0 | 1.083E-05 x B | kg/m^{3} |

Anthracene | 120-12-7 | 5.288E-07 x B | kg/m^{3} |

Acrolein | 107-02-8 | 3.388E-06 x B | kg/m^{3} |

Benzene | 71-43-2 | 3.336E-04 x B | kg/m^{3} |

Formaldehyde | 50-00-0 | 3.392E-05 x B | kg/m^{3} |

Naphtalene | 91-20-3 | 5.589E-05 x B | kg/m^{3} |

Propylene | 115-07-1 | 1.199E-03 x B | kg/m^{3} |

Toluene | 108-88-3 | 1.208E-04 x B | kg/m^{3} |

Isomers of Xylene | 1330-20-7 | 8.298E-05 | kg/m^{3} |

Substance Name | Chemical Abstracts Service Registry Number (CAS RN)^{Footnote1} | Emission Factor (EF)^{Footnote2}^{Footnote***} | EF Units |
---|---|---|---|

Acenaphthene | 83-32-9 | 2.012E-06 x B | kg/m^{3} |

Acenaphthylene | 208-96-8 | 3.968E-06 x B | kg/m^{3} |

Benzo (a) anthracene | 56-55-3 | 2.674E-07 x B | kg/m^{3} |

Benzo (b) fluoranthene | 205-99-2 | 4.772E-07 x B | kg/m^{3} |

Benzo (k) fluoranthene | 207-08-9 | 4.686E-08 x B | kg/m^{3} |

Benzo (a) pyrene | 50-32-8 | 5.525E-08 x B | kg/m^{3} |

Benzo (a) phenanthrene (Chrysene) | 218-01-9 | 6.578E-07 x B | kg/m^{3} |

Benzo (g,h,i) perylene | 191-24-2 | 1.195E-07 x B | kg/m^{3} |

Dibenzo (a,h) anthracene | 53-70-3 | 7.438E-08 x B | kg/m^{3} |

Fluoranthene | 206-44-0 | 1.733E-06 x B | kg/m^{3} |

Fluorene | 86-73-7 | 5.503E-06 x B | kg/m^{3} |

Indeno(1,2,3-c,d)pyrene | 193-39-5 | 8.899E-08 x B | kg/m^{3} |

Phenanthrene | 85-01-8 | 1.754E-05 x B | kg/m^{3} |

Pyrene | 129-00-0 | 1.595E-06 x B | kg/m^{3} |

Substance Name | Chemical Abstracts Service Registry Number (CAS RN)^{Footnote1} | Emission Factor (EF)^{Footnote2}^{Footnote***} | EF Units |
---|---|---|---|

Carbon Monoxide (CO) | 630-08-0 | 0.365 x B | kg/m^{3} |

Sulphur Dioxide (SO_{2}) | 7446-09-5 | 0.434 x B x C | kg/m^{3} |

Oxides of Nitrogen (NO_{x}), expressed as nitrogen dioxide (NO_{2}) | 11104-93-1 | 1.376 x B | kg/m^{3} |

Volatile Organic Compounds (VOCs) | ^{FootnoteƗ} | 0.035 x B | kg/m^{3} |

Total Particulate Matter (TPM) | ^{FootnoteƗ} | 0.027 x B | kg/m^{3} |

Particulate Matter less than or equal to 10 micrometers (µm) (PM_{10}) | ^{FootnoteƗ} | 0.021 x B | kg/m^{3} |

Particulate Matter less than or equal to 2.5 µm (PM_{2.5}) | ^{FootnoteƗ} | 0.021 x B | kg/m^{3} |

Substance Name | Chemical Abstracts Service Registry Number (CAS RN)^{Footnote1} | Emission Factor (EF)^{Footnote2}^{Footnote***} | EF Units |
---|---|---|---|

Benzene | 71-43-2 | 3.336E-04 x B | kg/m^{3} |

Formaldehyde | 50-00-0 | 3.392E-05 x B | kg/m^{3} |

Propylene | 115-07-1 | 1.199E-03 x B | kg/m^{3} |

Toluene | 108-88-3 | 1.208E-04 x B | kg/m^{3} |

Isomers of Xylene | 1330-20-7 | 8.298E-05 x B | kg/m^{3} |

**Note on Emissions Factors**

The default emission factors are used in the table above, however if you have a site specific emission factor you would prefer to use you may enter it in the emission factor column. If you choose to insert your own emission factor ensure that the units have been converted accordingly.

The emission factors used in this spreadsheet are based on uncontrolled emissions. If you are using an emission control device you will have to adjust the emissions calculated by this spreadsheet according to the following formula:

**Controlled Emissions = Uncontrolled emission x ((100 - control efficiency)/100)**

## Gasoline Generator – Hours of Operation

Operation of a generator (reciprocating engine) with gasoline fuel combustion results in release of Criteria Air Contaminant (Part 4 Substances).

Download spreadsheet calculator: Gasoline Generator - Hours of Operation [xlsx 39 kb] (Feb 24 2016)

### Suggested estimation methodology: Emissions Factor

The equation for emissions estimation is:

E = (A x B x EF)/1000

where:

- E = emissions [tonnes]
- A = hours of operation [hr]
- B = operation horsepower [hp]
- EF = emissions factor [kilograms (kg)/hp-hr]

Substance Name | Chemical Abstracts Service Registry Number (CAS RN)^{Footnote1} | Emission Factor (EF)^{Footnote2} | EF Units |
---|---|---|---|

Carbon Monoxide (CO) | 630-08-0 | 3.157E-03^{Footnote**} | kg/hp - hour |

Sulphur Dioxide (SO_{2}) | 7446-09-5 | 2.681E-04 | kg/hp - hour |

Oxides of Nitrogen (NO_{x}), expressed as nitrogen dioxide (NO_{2}) | 11104-93-1 | 4.99E-03 | kg/hp - hour |

Total Particulate Matter (TPM) | ^{Footnote*} | 3.27E-04 | kg/hp - hour |

Particulate Matter less than or equal to 10 micrometers (µm) (PM_{10}) | ^{Footnote*} | 3.27E-04 | kg/hp - hour |

Particulate Matter less than or equal to 2.5 µm (PM_{2.5}) | ^{Footnote*} | 3.27E-04 | kg/hp - hour |

### Note on Emissions Factors

**Controlled Emissions = Uncontrolled emission x ((100 - control efficiency)/100)**

## Gasoline Generator – Fuel Usage

Operation of a generator (reciprocating engine) with gasoline fuel combustion results in release of Criteria Air Contaminant (Part 4 Substances).

Download spreadsheet calculator: Gasoline Generator – Fuel Usage [xlsx 42 kb] (24 Feb 2016)

### Suggested estimation methodology: Emissions Factor

The general equation for emissions estimation is:

E = A x EF

where:

- E = emissions
- A = Activity Rate
- EF = emissions factor

#### Input Data

A = Volume of gasoline burned [cubic meters]

B = Heating value of gasoline [Giga Joules per cubic meter]^{Footnote*}

Substance Name | Chemical Abstracts Service Registry Number (CAS RN)^{Footnote 1} | Emission Factor (EF)^{Footnote2} | EF Units |
---|---|---|---|

Carbon Monoxide (CO)^{Footnote**} | 630-08-0 | 0.426x B^{Footnote Ɨ} | kilograms (kg)/cubic meters (m^{3}) |

Sulphur Dioxide (SO_{2})^{Footnote**} | 7446-09-5 | 0.0361 x B | kg/m^{3} |

Oxides of Nitrogen (NO_{x}), expressed as nitrogen dioxide (NO_{2})^{Footnote**} | 11104-93-1 | 0.7007 x B | kg/m^{3} |

Total Particulate Matter (TPM)^{Footnote**} | ^{Footnote***} | 0.04299 x B | kg/m^{3} |

Particulate Matter less than or equal to 10 micrometers (µm) (PM_{10})^{Footnote**} | ^{Footnote***} | 0.04299 x B | kg/m^{3} |

Particulate Matter less than or equal to 2.5 µm (PM_{2.5})^{Footnote**} | ^{Footnote***} | 0.04299 x B | kg/m^{3} |

### Note on Emissions Factors

**Controlled Emissions = Uncontrolled emission x ((100 - control efficiency)/100)**

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