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Emissions Inventory & Air Toxics

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The District prepares stationary source emission inventories for criteria pollutants and toxic air contaminants. Criteria pollutants are those that are regulated by air quality standards that were set using health-based criteria. Air toxics are those pollutants that cause or may cause cancer or other adverse health conditions even at extremely low levels, and some may accumulate in the body from repeated or chronic exposure.

Air Toxics
2012 'Hot Spots' Report
Air Toxics Hot Spots Program Overview

Facility Emissions
1997 - 2012

Procedures
Emissions Calculation
'Hot Spots' Prioritization
Supplemental HRA Guidelines