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WebFire Search US EPA

Detailed Emission Factor Search Enter one or more search criteria then Submit Search Source Classification Codes should be entered without dashes Description levels 1 through 4 should be selected in order Be careful about limiting your search too much with descriptions control codes and pollutants

Size Specific Particulate Emission Factors For Industrial

An alternative consisting of the exist ing AP 42 emission factor equation with adjustments to the original coefficient to approximate IP and PM 10 emission factors does not acceptably predict the new emission factor data base

EIQ Form 2 8 Storage Pile Worksheet Instructions for Form

activity emissions lb ton and wind erosion emissions lb acre If you want to continue using SCC number 3 05 020 07 with the default Particulate Matter or PM 10 emission factor of 0 12 lb ton for all storage pile emissions it is not necessary to complete all the information on Form 2 8 for block 1 storage pile information

Emission Estimation Technique Manual

5 0 SPECIATION OF AGGREGATE EMISSIONS 35 5 1 Speciation of VOC Emission Estimates 35 7 Coverage of Bulk Materials Handling in the Emission Estimation Technique Manual for Mining 17 8 Emission Factors for Construction Operations 24 10 PM 10


4 GHG INVENTORY FOR SOUTH AFRICA 2000 2010 PREFACE This report has been compiled for the Department of Environmental Affairs DEA in response to South Africa s obligation to report their greenhouse GHG emissions to

PM10 is estimated as 50 of PM based on the k factors listed in Aggregate Handling and Storage Piles AP 42 Ch 13 2 4 The PM2 5 factor is derived from a ratio listed in the Background Document for Revisions to Fine Fraction Ratios Used for AP 42 Fugitive Dust Emission Factors Ch 13 2 and k factors listed in Aggregate Handling and


of Air Pollutant Emission Factors Volume I Stationary Point and Area Sources publication number AP 42 continually updated Internal Combustion Engines Expected Contaminants Reported engine emissions should include all of the following PM contaminant code 10000 PM 10 contaminant code 20000 PM 2 5 contaminant code


drilling PM10 emission factor is based on information published in Section 11 19 2 of AP 42 1 95 for crushed stone processing operations The blasting procedure is based on an emission estimation technique provided in Section 11 9 2 of AP 42 Reformatted 1 95 for coal or overburden A PM10 fraction of 52 is assumed for blasting emissions

Environmental Impacts of Sand and Gravel Operations in New

aggregate stone and industrial mineral mining for relatively small areas The most recognized health hazards from these mines involve airborne particulate emissions Total Suspended Particulates TSPs is a measure of all particulates emitted by a mine while PM 10 particles represent some of the smallest particles 0 25 mm 0 01 in of precipitation per year

APAC Carolina Inc and Associated Asphalt Inc

Feb 14 2007 · An emissions factor is a representative value that attempts to relate the quantity of a pollutant released to the atmosphere with an activity associated with the release of that pollutant Emission factors for Hot Mix Asphalt Plants are listed in AP 42 Fifth Edition Volume I Compilation of Air Pollution Emission Factors Stationary Point

coal processing plant fugitive dust emission factors

Fugitive particulate emission factors for dry fly ash disposal Journal Fugitive fly ash emission factors EFs derived by this study contribute to the respectively associated with dry fly ash disposal at a coal fired power plant Section 13 2 in AP 42 lists EFs for various fugitive dust sources including

Particulate Emission Factors for Blasting Operations and

The emission factors developed from these tests were in all instances lower than those emission factors in use by federal and state environmental agencies Coal slag and sand were determined to have relatively higher emissions that other abrasive in all size ranges Copper slag garnet and hematite were shown to have the lowest emission factors

Pits and quarries reporting guide

Pits and Quarries Guidance documents The purpose of this document is to clarify the reporting requirements for the Pits and Quarries sector and describe some of the available tools available to estimate NPRI substances releases from major pits and quarries operations

TCEQ Emission Calculations for Petroleum Coke Facilities

The emissions resulting from the storage and transfer of petroleum coke can be calculated by using the AP 42 emission factors and equations for aggregate handling and storage piles Aggregate Handling and Storage Piles Total dust emissions from aggregate storage piles result from several distinct source activities within the storage cycle 1

PM Size and Chemical Speciation Profile for Concrete

Oct 22 2013 · PM profile PM343 was developed based on cement production tests conducted on a cement kiln 1 2 so it isn t representative of emissions from concrete batching operations Cement and concrete are often mis used as interchangeable terms Cement is an ingredient of concrete while concrete is a mixture of cement water fine aggregate sand

Facility Wide Emisisons Pima County

6 03 Emission factors are based on AP 42 ADEQ and or Maricopa County Air Quality Department published sources Table 11 12 2 No Emission factors available for controlled emissions from aggregate storage sand delivery aggregate transfer to conveyor sand transfer to conveyor aggreagte transfer to bins and sand transfer to bins


Emission estimates for the facility are derived from the use of ADEQ General Permit factors and emission AP 42 emission factors and are presented in the potential to emit PTE document The choice to use ADEQ factors as the primary and AP 42 factors as secondary is justified by the multiple county wide as well as

AP 42 11 9 Western Surface Coal Mining

11 9 Western Surface Coal Mining 11 9 1 General 1 b Particulate matter less than or equal to 30 µm in aerodynamic diameter is sometimes termed suspendable particulate and is often used as a mode see the unpaved road emission factor equation in AP 42 Section 13 2 2

Application for Permit to Construct

The mining area is located three miles north from the plant and is not contiguous or adjacent to the because the total aggregate heat input from all equipment does not exceed 10 Combustion emissions are uncontrolled and estimated by AP 42 emission factors PM CO


DETROIT BULK STORAGE INC EMISSIONS SPREADSHEET Storage Pile Wind Erosion UPDATED AS OF 4 22 14 AT 12 38 PM s silt content of aggregate p number of days with 0 25 mm 0 01 in of precipitation per year


APPENDIX C AIR QUALITY IMPACT ASSESSMENT IMPACT ASSESSMENT METHODOLOGY Western Surface Coal Mining presents a PM10 emission factor for bulldozing of overburden of 0 75 lb ton moved The truck loading and unloading emission factor comes from Section 13 2 4 Aggregate Handling and Storage Piles The equation

West Virginia Department of Environmental Protection

West Virginia Department of Environmental Protection Division of Air Quality Emissions Summary Plantwide Emissions Summary Tons per Year Regulated Pollutants Potential Emissions 1 2015 Actual Emissions Carbon Monoxide CO 178 114 43 Nitrogen Oxides NO X 333 213 88 Particulate Matter PM 2 5 168 46 23 Particulate Matter PM 10

Development of Emission Factors for Polyethylene Processing

The emissions were measured over a 30 minute period and were related to the weight of resin extruded The emis sion factor for each substance measured was reported as pounds evolved to the atmosphere per million pounds of polymer processed ppm wt wt Processors using similar equipment can use these emission factors as relative refer

Particulate Matter PM Emission Calculations Part 2

Particulate Matter PM Emission Calculations Part 2 Mecklenburg County Land Use and Environmental Services Agency Air Quality Division Source Compilation of Air Pollutant Emission Factors AP 42 5th Edition Volume I i e stack testing a direct measurement PM Sources With Stack Testing Requirements

WebFire Search US EPA

Develop User Defined Emissions Factors This function is under development and is not available at this time You can develop an emissions factor from individual performance test values that you select from the WebFIRE database using the same procedures that the EPA follows to develop new or revise existing emissions factors

2007 Area Source Emissions Inventory Methodology

emissions and its associated area source emissions inventory will be set to zero Emissions from the production of sand and gravel are primarily particulate matter which is from processes such as conveying screening crushing and storing Generally sand and aggregate materials are wet or moist when handled and

Proactive air environmental management for mines AusIMM

Therefore site specific mining emissions are often unavailable NPI and AP 42 emission factors are commonly used to estimate dust emissions at mines AP 42 is a large repository of air pollutant emission factors compiled by the United States Environmental Protection Agency USEPA and is readily accessible online

Appendix D Supporting Emissions Calculations

CO2e Aggregate CO2 equivalent emission for all green house gases Table 1 4 refers to EPA AP 42 Chapter 1 External Combustion Sources Section 4 Natural Gas Boilers 100 MMBtu hr Post NSPS Natural Gas Boiler Emission Factors 2 All PM assumed to be less than 1 0 micrometer Emission Factors Supporting Calculations page 3 of 37

Air Reporting System ARS Calculations

if the emission factor has a unit of mass ton ARS will only allow you to supply a mass for an annual use discuss the updating of the 1998 agreement which is contained in the document Nonmetallic Mining Air Emissions Guidance For the Development of the 1998 Air Emissions Inventory PDF 217KB DNR the PM and PM10 emissions for the


EMISSIONS FROM OIL AND GAS PRODUCTION FACILITIES FINAL REPORT TCEQ Contract 582 7 84003 Work Order appropriate however this was not done due to a lack of credible emission factors for these pollutants The emissions inventory will be used for general inventory compilation and tracking Emissions of particulate matter PM from

Environmental Impacts of Sand and Gravel Operations in

2 Environmental Impacts Documenting the environmental impacts produced by aggregate stone and selected industrial mineral mines in New Mexico is difficult because of several complicating factors Lack of regulatory data collection for most mines due to exemptions under NM Mining Act aggregate and stone mining

Air Reporting System ARS Calculations

1 Emission factors developed by the facility through emission testing or some other scientific means 2 Emission factors developed by the United States Environmental Protection Agency based on testing data completed on similar operations in the United States 3 Emission factors developed by material balances and through engineering judgment

Emissions CO2 SO2 and NOx from public electricity and

x from public electricity and heat production – explanatory indicators 3 all these changes was that emissions from electricity and heat production actually followed the trend shown by the black bars This is a frequently used approach for portraying the primary driving forces of emissions The explanatory factors should not be seen as

11 19 1 Sand And Gravel Processing

Mining by dredging involves mounting the equipment on boats or barges and removing the sand and gravel from the bottom of the body of water by suction or bucket type dredges After mining the materials PM emissions 11 19 1 2 EMISSION FACTORS 11 95 The background report for this AP 42 section also presents factors

Potential To Emit Calculator for Concrete Batch Plants

Potential To Emit Calculator for Concrete Batch Plants 5 22 2018 Controlled Emissions from Concrete Batch Mix Materials Handling Criteria Pollutants Emission Factor lb ton Potential to Emit Emission Factor lb yard PM 2 5 emission factors are from AP 42 Chapter 11 12 Concrete Batching Background Document Table 17 1 June 2006

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