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Emission Inventory Related Codes

Explanation of File Formats
Source Classification Codes (SCC) - July 2008

The latest Source Classification Codes accepted by EPA (SCC Code 213 MDB)

North American Industry Classification System (NAICS) - July 2008

The latest NAICS codes accepted by EPA (NAICS Codes 392 KB)

US EPA Environmental Data Registry Code Sets

Code Sets contain permissible values, value meaning names, and value meaning definitions that can be used in application development. Some of these Code Sets are related to EPA data standards.

Data Source Codes for the National Emission Inventory

Data Source Codes Spreadsheet (XLS 30K) this file contains the data source codes for all sectors of the NEI. These codes indicate where the data came from.

Federal Information Processing Standards (FIPS) - July 2008

The latest FIPS codes accepted by EPA (FIPS Codes 520 KB)

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