Laws & Regulations

Method 13B - Total Fluoride - Specific Ion Electrode

CFR Promulgated Test Method 13B Determination of Total Fluoride Emissions From Stationary Sources (Specific Ion Electrode Method)

Method 6A - Sulfur Dioxide and Carbon Dioxide

CFR Promulgated Test Method 6A Determination of Sulfur Dioxide, Moisture, and Carbon Dioxide From Fossil Fuel Combustion Sources

Method 6 - Sulfur Dioxide

CFR Promulgated Test Method 6 Determination of sulfur dioxide emissions from stationary sources

Method 7A - Nitrogen Oxide - Ion Chromatographic Method

CFR Promulgated Test Method 7A Determination of nitrogen oxide emissions from stationary sources - Ion chromatographic method

Method 6B - Sulfur Dioxide and Carbon Dioxide - Daily Average Emissions

CFR Promulgated Test Method 6B Determination of sulfur dioxide and carbon dioxide daily average emissions from fossil fuel combustion sources.

Method 2F - Flow Rate Measurement with 3-D Probe

CFR Promulgated Test Method 2F Determination of Stack Gas Velocity and Volumetric Flow Rate With Three-Dimensional Probes

Method 2B - Exhaust Volume Flow Rate

Test Method 2B Exhaust Volume Flow Rate

Method 2E - Determination of Landfill Gas Production Flow Rate

Test Method 2E Determination of Landfill Gas Production Flow Rate

Technical Information Document 03 - Effective Duct Area Calculation

Technical Information Document 023 - Collection of Monographs and Papers Vol. IV

Technical Information Document 015 - Method 305 Table of HON Wastewater Compounds

Technical Information Document 022 - Collection of Monographs and Papers Vol III

Technical Information Document 017 - Opacity of Combined Gas Streams

Technical Information Document 018 - Clarification of Method 9 Certification Requirements

Meeting Summary of Nutrient TMDL Workshop, February 2011, New Orleans, LA

The purpose of this meeting was to bring together U.S. EPA and state staff in the section 303(d) program to discuss and exchange ideas related to nutrients.

TMDLs at Work: Carrier Creek

The documents detail the Carrier Creek TMDL at work.

Establishing TMDL "Daily" Loads in Light of the Decision by the U.S. Court of Appeals for the D.C. Circuit

The memorandum clarifies EPA's expectations concerning the appropriate time increment used to express TMDLs following the decision of Friends of the Earth, Inc. v. EPA, et al.

The Florida Impaired Waters Rule

The Florida Impaired Waters Rule establishes a methodology to identify waters that will be included on the State's Clean Water Act Section 303(d) list of impaired waters.

Approval of Washington 2012 303d List

EPA's letter to Washington Department of Ecology approving Washington's 2012 303(d) list of impaired waters.

New Policies for Establishing and Implementing TMDLs

The memorandum details new policies for establishing and implementing TMDLs.