External Links

Federal (EPA) Regulatory Rules Information:

Recent Actions Issued by EPA in Last 6 Months

EPA's Electronic Reporting Tool (ERT) Page

NSR Regulations and Standards

Region 9 Air Standards Delegations

What's New (NESHAP and NAAQS)

State and Local Regulatory Pages:

Regulatory Agency Reference

BAAQMD Home Page

CARB Home Page

EPA Home Page

SCAQMD Home Page


Air District Look Up - By City in California

California Air District Resource Directory

State and Territorial Environment Agencies



CARB BACT Clearinghouse

EPA's RACT/BACT/LAER Clearinghouse (RBLC)


Source Test Methods:

ASTM Methods

BAAQMD Test Methods

CARB Test Methods

EPA Ambient Test Methods

EPA Performance Specifications and Promulgated Methods

EPA Proposed, Approved & Other Test Methods

NCASI Test Methods

NIOSH Test Methods

South Coast AQMD Source Test Methods

EPA's Hazardous Waste Methods

SKC Air Smpling Guide (NIOSH, OSHA, ASTM)

Analytical Laboratories:

Atmospheric Analysis and Consulting, Inc.

Air Toxics Ltd.


Vista Analytical

Curtis & Tompkins, Ltd.

Enthalpy Analytical, Inc.

Chips Environmental

Exova, Inc.

BC Laboratories, Inc.


Data and Information:

CARB AB 2588 “Hot Spots” Assessment

Electronic Code of Federal Regulations (CFR) - 40 CFR (Protection of the Environment)

EPA Air Toxics

EPA AP-42 Emission Factors

EPA Directory of TNN Web Sites

Overview/History of Controlling Power Plant Emissions

Real-Time San Francisco Bay Wind Patterns

SCAQMD Rules and Regulations

SJVAPCD Rules and Regulations

BAAQMD Rules and Regulations