Air Pollution Control Program

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The Missouri Department of Natural Resources filed the following proposed rulemakings with the secretary of state's office and comments are being accepted as noted at the end of the proposed rulemaking under the Notice of Public Hearing and Notice to Submit Comments heading. To submit comments electronically, use the links below the rule or to submit written comments see the address below.

10 CSR 10-6.040 Reference Methods

This proposed amendment will update the incorporation by reference date to include the latest Federal Register notices for ambient air monitoring methods.  Two of these notices promulgated existing methods as new equivalency methods for measuring lead, nitrogen dioxide, particulate matter less than 2.5 microns, particulate matter less than 10 microns, and particulate matter between 10 and 2.5 microns in diameter.  In addition, EPA finalized a new Federal Reference Method for measuring lead in total suspended particulate matter and, at the same time, designated it as a new Federal Equivalency Method.

Proposed Rulemaking – Published in April 15, 2014 Missouri Register

Rulemaking Detail

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Comments on this rulemaking will be accepted through close of business June 5, 2014.

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10 CSR 10-5.220 Control of Petroleum Liquid Storage, Loading and Transfer

This proposed amendment will remove the requirements for Stage II vapor recovery controls at gasoline dispensing facilities (GDFs) in the St. Louis area.  Stage II systems control emissions of volatile organic compounds during vehicle refueling and have been an ozone-reduction measure in the St. Louis area since the late 1980s.  In May 2012, the U.S. Environmental Protection Agency (EPA) determined that Onboard Refueling Vapor Recovery (ORVR) technology is in widespread use throughout the motor vehicle fleet for purposes of controlling motor vehicle refueling emissions.  ORVR is an improved method of controlling the vapor displaced during refueling that is built into newer motor vehicles.  ORVR makes Stage II controls obsolete, and EPA’s widespread use determination allows the removal of Stage II controls if Clean Air Act anti-backsliding requirements are met to ensure air quality is not adversely impacted.  EPA has already given verbal concurrence on our technical analysis showing removal of Stage II controls as proposed in this rulemaking will not adversely affect St. Louis air quality.

The rulemaking will also address the following items:

Proposed Rulemaking – Published in April 1, 2014 Missouri Register

Technical Support Document

Rulemaking Development Information

Rulemaking Detail

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Comments on this rulemaking will be accepted through close of business June 5, 2014.

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10 CSR 10-6.165 (amendment) Restriction of Emission of Odors

This proposed amendment will remove the definitions of “Modification” and “Class IA concentrated animal feeding operation” found in 10 CSR 10-6.165, Restriction of Emission of Odors, since these two definitions can be found in 10 CSR 10-6.020, Definitions and Common Reference Tables.  This rulemaking is administrative in nature and does not add new requirements.

Proposed Rulemaking – Published in March 17, 2014 Missouri Register

Rulemaking Detail

Submit comments now
Submit written comments

Comments on this rulemaking will be accepted through close of business May 1, 2014.

Submit written comments about any rule development to:
Chief, Air Quality Planning Section
Missouri Department of Natural Resources
Air Pollution Control Program
P.O. Box 176
Jefferson City, MO 65102-0176

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