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CODE ASSIGNMENT

CODE ASSIGNMENT. Anna Komorniczak Emission Inventory Workshop Air Resources Board March 13, 2006. Type of Codes. SCC: Source Classification Code SIC: Standard Industrial Classification NAICS: North American Industry Classification System EIC: Emission Inventory Code.

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CODE ASSIGNMENT

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  1. CODE ASSIGNMENT Anna Komorniczak Emission Inventory WorkshopAir Resources Board March 13, 2006

  2. Type of Codes • SCC: Source Classification Code • SIC: Standard Industrial Classification • NAICS: North American Industry Classification System • EIC: Emission Inventory Code Emission Inventory Workshop Spring 2006

  3. Where to Find These Codes ? • Emission Inventory Procedural Manual • HARP software • District Resources Web Page • CEIDARS Web Page in Utility Tables Emission Inventory Workshop Spring 2006

  4. Source Classification Code (SCC) • 8 Digit Code to Identify Emission Processes • Created by U.S. EPA • 9865 Valid SCCs Available Emission Inventory Workshop Spring 2006

  5. Organization of SCCs Four Levels of Source Descriptions Example: 2-02-001-02 • First level(2-) Process Category • Second level (2-02-) Major Industry • Third level (2-02-001-) Product, Raw Material, Fuel Type, or Equipment • Fourth level (2-02-001-02) Particular Emitting Process Emission Inventory Workshop Spring 2006

  6. Example of SCC 2-02-001-02 • L1 - Internal Combustion • L2 - Industrial • L3 - Distillate Oil/Diesel • L4 - Reciprocating Emission Inventory Workshop Spring 2006

  7. How to Select an SCC? • In CEIDARS SCCs are used as a primary identifying data element in Process Table • Match SCC Description with Process Description and Process Rate Units Emission Inventory Workshop Spring 2006

  8. Standard Industrial Classification (SIC) • 4 Digit Code to Identify Business Activity • Published by U.S. Office of Management and Budget (OMB) • 1700 valid SICs Available Emission Inventory Workshop Spring 2006

  9. Organization of SICs • SIC codes are use to describe the type of activity that occurs at facility • Major Economic Sectors (Agriculture, Mining, Construction, Manufacturing, Transportation, Wholesale Trades, Retail Trades, Finance, Services, and Public Administration) • 0111- 3999 Manufacturing (Industrial) • 4011- 9721 Non-manufacturing (Commercial) Emission Inventory Workshop Spring 2006

  10. Example of SIC • 1442 Construction Sand and Gravel • 2023 Dry, Condensed, Evaporated Products • 4911 Electric Services • 5411 Grocery Stores • 9999 Not Valid Code Emission Inventory Workshop Spring 2006

  11. Facility vs. Process SIC • In CEIDARS SICs are used on two levels in Facility Table and in Process Table • Facility SIC Identifies Primary Activity of Entire Facility • Process SIC Identifies Type of Activity for a Specific Process Emission Inventory Workshop Spring 2006

  12. Example of Facility and Process SICs • Facility SIC 8062 General Medical and Surgical Hospitals • Process SIC 4931 Electric and Other Services Combined • SCC code 2-01-002-01 (Internal Combustion - Electric Generation - Dist. Oil/Diesel - Turbine) Emission Inventory Workshop Spring 2006

  13. North American Industry Classification System (NAICS) • NAICS replaces the 1987 SIC • 6 Digit Code for Classifying Business Establishments • Created and Maintained by U.S. OMB • Reflects the Structure of Economy Including the Service Sector and New Technologies Emission Inventory Workshop Spring 2006

  14. NAICS 112410 Sheep Farming 112420 Goat Farming SIC 0214 Sheep and Goats NAICS vs. SIC (1) Emission Inventory Workshop Spring 2006

  15. NAICS 622110 General Medical and Surgical Hospitals SIC 8069 Children’s Hospital 8062 General Medical and Surgical Hospitals NAICS vs. SIC (2) Emission Inventory Workshop Spring 2006

  16. Emission Inventory Code (EIC) • 14 Digit Code to Classify and Report Emission Data by Specific Source Categories • Created and Maintained by ARB • Identify Each Area Source Category • Provide Automatic Reconciliation for Area and Point Sources Emission Inventory Workshop Spring 2006

  17. Organization of EICs Four levels of identification: • Level I - Summary Category (Electric Utilities, Industrial Processes, etc.) • Level II – Source Category (Boilers, Landfills, Farming Operations, etc.) • Level III – Materials (Diesel, Wood, Dust, etc.) • Level IV – Sub-Category Emission Inventory Workshop Spring 2006

  18. Example of EIC 620-618-0262-0102 • 620 Miscellaneous Processes • 618 Farming Operations (Source Category) • 0262 Livestock Husbandry (Material Type) • 0102 Ranch Cattle (Sub-category) Emission Inventory Workshop Spring 2006

  19. EIC and Valid SCC/SIC • EIC is assigned to each valid SCC/SIC combination • New combinations are assigned upon positive verification • Combination is not valid if SCC does not exist, SIC does not exist or SCC & SIC are not both for the same process type (commercial or industrial) • In CEIDARS there are ~50,000 valid SCC/SIC combinations Emission Inventory Workshop Spring 2006

  20. Case Study • Facility “Diamond Landfill” waste disposal facility with IC engine operations • How I find SIC, NAICS and SCC? Emission Inventory Workshop Spring 2006

  21. Steps in Assigning an SCC/SIC • Assign an SIC and NAICS based on the Type of Business Activity (in Facility Table) • Assign an SCC based on the Type of Process (in Process Table) • Assign an SIC and NAICS based on the Process Activity ( in Process Table) Emission Inventory Workshop Spring 2006

  22. Example of SCC/SIC • Correct Assignments for Waste Disposal Site with IC Engine Diesel Reciprocating • Facility SIC: 4953 • Facility NAICS: 562212 • Process SCC: 2-01-001-02 • Process SIC: 4911 • EIC: 099-040-1200-0000 Emission Inventory Workshop Spring 2006

  23. Example of SCC/SIC Cont. • Facility SIC: Refuse Systems • Facility NAICS: Solid Waste Landfill • Process SCC: Internal Combustion Sources-Electric Generation-Distillate Oil/Diesel-Reciprocating • Process SIC: Electric Services • EIC: Fuel Combustion Other-Stationary Engine-Diesel Emission Inventory Workshop Spring 2006

  24. More information • District Resources Web Page • ARB Web Page • Call Anna Komorniczak at (916) 327-8170 Emission Inventory Workshop Spring 2006

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