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Emissions Inventory System (EIS) Emissions 2017 - Current Semi-Annual County Environmental Protection

EPA's Emissions Inventory System (EIS) contains information about sources that emit criteria air pollutants (CAPs) and hazardous air pollutants (HAPs). The EIS includes estimates of annual air pollutant emissions from point, non-point, and mobile sources in the Pennsylvania counties. EPA collects information about emission sources and releases an updated version of the NEI database every three years. The data made available in the NEI are used for air dispersion modeling, regional strategy development, setting regulations, air toxins risk assessment, and tracking trends in emissions over time. The data derived in the State of Pennsylvania is published and searchable online on the website.

This data will be updated annually for the prior calendar year in the first Quarter of the following year.


NameSocrata field nameColumn name in sgr mountData typeDescription
Percent Winter ActivitypercentwinteractivitypercentwinteractivityNumberThe percentage of the annual activity that occurred during the Winter months (December, January, February).
Denominator Unit of Measure CodedenominatorunitofmeasurecodedenominatorunitofmeasurecodeTextThe denominator for the unit of measure of the reported emission factor (in TONS).
Pennsylvania County Boundaries:@computed_region_nmsq_hqvv:@computed_region_nmsq_hqvvNumber
Pa Senatorial Districts (2017-01):@computed_region_d3gw_znnf:@computed_region_d3gw_znnfNumber
Municipality Boundary:@computed_region_amqz_jbr4:@computed_region_amqz_jbr4Number
Pa House Districts (2017-01):@computed_region_r6rf_p9et:@computed_region_r6rf_p9etNumber
Pa School Districts (2017):@computed_region_rayf_jjgk:@computed_region_rayf_jjgkNumber
Emissions YearemissionsyearemissionsyearTextYear of the emission (discharge of criteria air pollutants (CAPs) and hazardous air pollutants (HAPs))
Location State CodelocationaddressstatecodelocationaddressstatecodeTextThe alphabetic codes that represent the name of the principal administrative subdivision of the United States, Canada, or Mexico. Standard 2-digit state code.
Unit CommentunitcommentunitcommentTextAny comments regarding the emissions unit activity.
PollutantpollutantpollutantTextThe pollutant which is controlled by the control measure. The number prefixes are part of the chemical name describing the isomer ( ions or molecules with identical formulas but distinct structures ) part of the name. For example - 1,2,3,4,5,6 refer to the positions on the cyclohexane molecule where a chlorine atom is substituted for a hydrogen. The carbon atoms on the cyclohexane ring can be numbered 1 through 6. Due to the symmetry of this particular molecule, it doesn’t really matter where we start counting on the ring. What does matter is that each number is only mentioned once, which means there is only 1 chlorine atom attached to each carbon. One can envision other forms of Hexachlorocyclohexane in which multiple chlorines are attached to a single carbon atom. For example: 1,1,2,2,3,3 Hexachlorocyclohexane would have two chlorine atoms attached to each of 3 sequential carbon atoms, with none on the other three… Now 1,2,3,4,5,6 Hexachlorocyclohexane can refer to a mixture of isomers of that molecule. This is because the ring of cyclohexane’s carbon atoms locks the attached hydrogens and chlorines onto one side of the ring, and this naming convention is not specific enough to tell which chlorine atoms are locked “above” the ring and which are “below it”. So in order to know which specific isomer we are talked about, a more specific name is required. This is where the other numbers can help. “58-89-9” is the Chemical Abstracts Service (registration) number, sometimes abbreviated CAS # or CASRN. This is really not part of the name of the molecule, but rather a unique serial number assigned to the molecule. The number itself is pretty much arbitrarily assigned by the American Chemical Society, but it is important in that it is unique, like a bar code for the molecule. The number is typically written in 3 parts separated by dashes, with two to seven digits in the first part, two in the second, and one in the third. If we google CAS#58-89-9 we find out that we are working with the “gamma” isomer of 1,2,3,4,5,6 Hexachlorocyclohexane where the chlorines are arranged around the ring in an up-up-down-up-up-down configuration. This is also known as “Lindane” a chemical which has been used as an insecticide and a pharmaceutical.
Parameter Commentssp_cl_parametercommentsp_cl_parametercommentTextAny comments regarding the parameter. Null - TON, Code values are as follows: E6FT3S: MILLION STANDARD CUBIC FEET, E3GAL: 1000 GALLONS, TON:TONS, E6BTU:MILLION BTUS
Percent Spring ActivitypercentspringactivitypercentspringactivityNumberThe percentage of the annual activity that occurred during the Spring months (March, April, May).
Parameter Numerator Unit of Measuresp_cl_parameternumeratorumcsp_cl_parameternumeratorumcTextThe numerator unit of measure for the parameter. When this is null, then Parameter Value is a percentage as described in the Parameter Comment. Code values are as follows: E6FT3S: MILLION STANDARD CUBIC FEET, E3GAL: 1000 GALLONS, TON:TONS, E6BTU:MILLION BTUS
Facility Site & Associated System IdentifierfacilitysiteidfacilitysiteidTextIdentifiers by which the facility site is known or has been know, and the system associated with the identifier
Parameter Unit of MeasureparameterunitofmeasureparameterunitofmeasureTextCode and description for the unit of measure for calculation parameter value.
Period Start Dateperiod_startdateperiod_startdateCalendar dateThe date on which the reporting period began. Applies to the reporting of episodic or event emissions only.
Average Days Per WeekaveragedaysperweekaveragedaysperweekNumberThe average number of days per week that the emissions process is active within the reporting period.
Parameter Valuesp_cl_parametervaluesp_cl_parametervalueNumberThe value of the parameter.
Parameter Denominator Unit of Measuresp_cl_parameterdenominatorumcsp_cl_parameterdenominatorumcTextThe denominator unit of measure for the parameter. When this is null, then Parameter Value is a percentage as described in the Parameter Comment. Code values are as follows: E6FT3S: MILLION STANDARD CUBIC FEET, E3GAL: 1000 GALLONS, TON:TONS, E6BTU:MILLION BTUS
Release Point Descriptionrelease_point_descrelease_point_descTextIdentifiers by which the emissions release point is known or has been known.
Average Percent EmissionsaveragepercentemissionsaveragepercentemissionsNumberThe average annual percent of an emissions process that is vented through a release point.
Emissions Unit Process Reporting Period Keyemis_unit_proc_rpt_prd_emisemis_unit_proc_rpt_prd_emisTextAn identifier identifying the group of the previous 5 columns.
Emission FactoremissionfactoremissionfactorNumberThe emission factor used for the emissions value if a calculated value was provided (in TONS). The EMISSION_FACTOR = ROUND(source emission amount/throughput amount).
Total EmissionstotalemissionstotalemissionsNumberTotal calculated or estimated amount of the pollutant (in TONS).
Emission Calculation MethodemissioncalculationmethodemissioncalculationmethodTextDefines the method used to calculate emissions.
Reporting Pollutantreporting_pollutantreporting_pollutantTextCode identifying the pollutant for which emissions are reported.
Percent Fall ActivitypercentfallactivitypercentfallactivityNumberThe percentage of the annual activity that occurred during the Fall months (September, October, November).
Percent Summer ActivitypercentsummeractivitypercentsummeractivityNumberThe percentage of the annual activity that occurred during the Summer months (June, July, August).
Facility Site IdentifierfacilitysiteidentifierfacilitysiteidentifierTextA state's designated identifier by which the facility site is referred to by a system. The name of the facility is in the Facility Site Name column.
Unit DescriptionunitdescriptionunitdescriptionTextText description of the emissions unit.
State & County FIPS CodestateandcountyfipscodestateandcountyfipscodeTextThe list is from FIPS Counties codes used for the identification of the Counties and County equivalents of the United States. The FIPS county code is a five-digit Federal Information Processing Standard (FIPS) code which uniquely identifies counties and county equivalents in the United States, certain U.S. possessions, and certain freely associated states. The first 2-digits are the State code and the last 3-digits are the county codes. 42001 Adams 42003 Allegheny 42005 Armstrong 42007 Beaver 42009 Bedford 42011 Berks 42013 Blair 42015 Bradford 42017 Bucks 42019 Butler 42021 Cambria 42023 Cameron 42025 Carbon 42027 Centre 42029 Chester 42031 Clarion 42033 Clearfield 42035 Clinton 42037 Columbia 42039 Crawford 42041 Cumberland 42043 Dauphin 42045 Delaware 42047 Elk 42049 Erie 42051 Fayette 42053 Forest 42055 Franklin 42057 Fulton 42059 Greene 42061 Huntingdon 42063 Indiana 42065 Jefferson 42067 Juniata 42069 Lackawanna 42071 Lancaster 42073 Lawrence 42075 Lebanon 42077 Lehigh 42079 Luzerne 42081 Lycoming 42083 McKean 42085 Mercer 42087 Mifflin 42089 Monroe 42091 Montgomery 42093 Montour 42095 Northampton 42097 Northumberland 42099 Perry 42101 Philadelphia 42103 Pike 42105 Potter 42107 Schuylkill 42109 Snyder 42111 Somerset 42113 Sullivan 42115 Susquehanna 42117 Tioga 42119 Union 42121 Venango 42123 Warren 42125 Washington 42127 Wayne 42129 Westmoreland 42131 Wyoming 42133 York
Average Hours Per DayaveragehoursperdayaveragehoursperdayNumberThe average number of hours per day that the emissions process is active within the reporting period.
Georeferenced Latitude & Longitudegeocoded_columngeocoded_columnPointGeoreferenced point column with Latitude and Longitude for use in creating map visuals. A generic point is given for each county to aid in the creation of placing metrics on map by county.
Locality NamelocalitynamelocalitynameTextThe name of the city, town, village, or other locality.
Location County namelocationcountynamelocationcountynameTextPennsylvania County Name
Location County CodelocationcountycodelocationcountycodeNumberState's County Code. For Pennsylvania the county codes are from 01 - 67 in Alphabetical order.
Location Zip CodelocationaddresspostalcodelocationaddresspostalcodeTextThe code the represents a U.S. Zip code or International postal code.
LatititudelatitudemeasurelatitudemeasureNumberThe measure of the angular distance on a meridian north or south of the equator.
Emissions Unit Process Reporting Periodems_unt_prc_rpt_pr_sp_clems_unt_prc_rpt_pr_sp_clTextAn identifier identifying the group of the next 5 columns.
LongitudelongitudemeasurelongitudemeasureNumberThe measure of the angular distance on a meridian east or est of the prime meridian.
Effective DateeffectivedateeffectivedateCalendar dateDate that the Air Quality primary facility was created in eFACTS.
Emissions Unit Identifieremis_unit_idemis_unit_idTextIdentifiers by which the emissions unit is known or has been known.
Unit TypeunittypeunittypeTextIdentifies the type of emissions unit activity. 100 Boiler. 270 Incinerator. 180 Process Heater 200 Furnace 220 Calciner 280 Flare 350 Process Equipment Fugitive Leaks 400 Storage Tank 430 Degreaser 450 Spray Booth or Coating Line 450 Spray Booth or Coating Line 470 Printing Line 470 Printing Line 470 Printing Line 480 Gasoline Loading Rack or Arm 600 Chemical Reactor 610 Oxidation Unit 620 Distillation Columns/Stripper 640 Mixer 680 Cooling Tower 720 Crusher 730 Grinder 740 Screen 760 Conveyor 770 Transfer Point 780 Silo 785 Open Storage Pile 255 Dryer
Unit Design CapacityunitdesigncapacityunitdesigncapacityNumberThe measure of the size of the unit based on the maximum continuous throughput capacity of the unit. Measured in units of “E6BTU/HR” (million Btu/hr).
Unit Operation DateunitoperationdateunitoperationdateCalendar dateThe date in which the unit commenced operational activities
Control Approach DescriptioncontrolapproachdescriptioncontrolapproachdescriptionTextIdentifies the overall control system or approach, including capture effectiveness, where applied at an emissions unit to reduce the amount of pollutants released into the environment.
Control MeasurecontrolmeasurecontrolmeasureTextIdentifies the piece of equipment or practice that is used to reduce one or more pollutants. 11 Single Cyclone 13 Multiple Cyclone 14 Centrifugal Separator 21 Spray Chamber 22 Cyclone Scrubber 23 Orfice Scrubber 24 Mechanical Scrubber 25 Venturi Scrubber 26 Packed Tower 27 Wet Filters 28 Water Curtain 29 Water Spray 31 Baghouse - Manual Cleaning 32 Baghouse - Mechanical Shakers 33 Baghouse - Pneumatic Shakers 34 Baghouse - Bag Collapse 35 Baghouse - Sonic Cleaning 36 Baghouse - Reverse Air Flow 37 Baghouse - Reverse Air Jets 39 Baghouse - Unknown Cleaning Mechanism 41 Single Stage Electrostatic Precipitator 42 Two Stage Electrostatic Precipitator 51 Settling Chamber 52 Impingement Separator 53 Panel Filters 54 Enclosure 55 Gravel Bed Filter 56 Annular Ring Filter 57 Demister 58 Continuous Medium Filter 61 Direct Flame Incin. w/o heat exchange 62 Catalytic Incinerator w/o heat exchange 63 Direct Flame Incin. with heat exchange 64 Catalytic Incinerator with heat exchange 71 Fixed Bed Adsorber 72 Continuous Adsorber 81 Surface Condenser 82 Contact Condenser 91 Packed Tower Adsorber 92 Plate or Tray Tower Adsorber 93 Spray Tower Adsorber 94 Spray Chamber Adsorber 95 Venturi Chamber Adsorber 96 Impingement Scrubber 97 Adsorption Column 101 Selective Catalytic Reduction 102 Selective Non-Catalytic Reduction 103 Non-Selective Catalytic Reduction 104 Oxidation Catalyst 105 Low NOx Burners 106 Water Injection 107 Steam Injection 108 Flue Gas Recirculation (FGR) 111 Heat Recovery Steam Generator (HRSG)
Reduction EfficiencyreductionefficiencyreductionefficiencyTextThe percent reduction achieved for the pollutant when all control measures are operating as designed.
Unit Effective Dateunit_effectivedateunit_effectivedateCalendar dateThe date on which the identifier became effective.
Emissions Process Identifieremis_unit_proc_idemis_unit_proc_idTextA designator used to uniquely identify an emissions process.
Process DescriptionprocessdescriptionprocessdescriptionTextA text description of the emissions process.
Source Classification CodesourceclassificationcodesourceclassificationcodeTextEPA Source Classification code that identifies an emissions process. The description is given in the next field, processdescription.
Process CommentprocesscommentprocesscommentTextAny comments regarding the emissions process.
Process Identifierproc_identifierproc_identifierTextAn identifier by which an element is referred to in another system.
Process Control Approach Descriptionproc_controlapproachdescproc_controlapproachdescTextDescription of the overall control system or approach applied to an emissions unit or process.
Process Approach Commentproc_approachcommentproc_approachcommentTextComments regarding the control approach.
Emissions Unit Process Reporting Period Grouping Keyemis_unit_proc_rpt_prd_idemis_unit_proc_rpt_prd_idTextAn identifier identifying the group of the next 13 columns.
Period End Dateperiod_enddateperiod_enddateCalendar dateThe date on which the reporting period ended.
Calculation Parameter ValuecalculationparametervaluecalculationparametervalueNumberActivity or throughput of the process for a given time period.
Actual Hours Per PeriodactualhoursperperiodactualhoursperperiodNumberActual number of hours the process is active or operating during for the reporting period.
Calculation MaterialcalculationmaterialcalculationmaterialTextName of the material or fuel processed.
Parameter Typesp_cl_parametertypesp_cl_parametertypeTextName of the parameter that describes the type of activity, throughput or input used in the calculation.
Average Weeks Per PeriodaverageweeksperperiodaverageweeksperperiodNumberThe average number of weeks that the emissions process is active within the reporting period.
  • emissions_inventory_system_eis_emissions_2017
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