Laws & Regulations

Timber Products Processing Effluent Guidelines Documents for 1981 Rule

Federal Register notices and supporting document for 1981 amendment to Timber Products Processing Effluent Guidelines (40 CFR Part 429)

Pulp, Paper and Paperboard Effluent Guidelines

Overview and documents Pulp, Paper and Paperboard Effluent Guidelines and Standards.(40 CFR Part 430)

Region 9: California Adequate Letter (3/29/2006)

This is a letter from Deborah Jordan, Director, to Catherine Witherspoon regarding California's motor vehicle emissions budgets (MVEBs) in the Sacramento Regional Nonattainment Area 8-Hour Ozone Rate-of-Progress Plan. Enclosures included.

Region 9: California Adequate Letter (8/12/2009)

This is a letter from Deborah Jordan, Director, to James Goldstene regarding adequacy status of Sacramento's 8-hour ozone reasonable further progress.

Region 9: California Riverside County Adequate Letter Enclosure (5/20/2008)

This document is an enclosure containing the Transportation Conformity Adequacy Review Coachella Valley 8-Hour Ozone Early Progress Plan (April 2008).

Region 9: California Riverside County Adequate Letter (5/20/2008)

This document is a letter from Deborah Jordan, Director, to James Goldstene regarding Adequacy Status of Coachella Valley 8-hour Ozone Early Progress Plan Motor Vehicle Emissions budgets.

Region 9: California Los Angeles (Coachella) Adequate Letter (4/18/2003)

This is a letter from Jack Broadbent, Director, to Catherine Witherspoon regarding Coachella Valley's transportation conformity motor vehicle emissions budgets in the particulate matter (PM-10) progress and attainment plan and motor vehicle emissions

Region 9: California Adequate Letter (4/9/2004)

This is a letter from Deborah Jordan, Acting Director, to Catherine Witherspoon regarding the motor vehicle emission budgets in the Coachella Valley 2003 PM10 Plan (2003 Plan).

Region 9: Arizona Adequate Letter (6/27/2007)

This is a letter from Deborah Jordan, Director, to Nancy Wrona regarding the Adequacy findings for Yuma's motor vehicle emissions budgets for the PM10 Maintenance Plan. Enclosures included.

Region 9: Arizona Adequate Letter (12/14/1999)

This is a letter from David Howekamp, Director, to Nancy Wrona and James Bourey regarding Maricopa County's MAG 1999 Serious Area Carbon Monoxide Plan.

Region 9: Arizona Adequate Letter (10/14/2003)

This is a letter from Jack P. Broadben,. Director, to Nancy Wrona and Dennis Smith informing them that Maricopa County's motor vehicle emissions budgets in the 2003 MAGCO Maintenance Plan are adequate for transportation conformity purposes.

Region 9: Arizona Inadequate Letter (12/27/1999)

This is a letter from David Howekamp to Nancy Wrona and James Bourey regarding Maricopa county's MAG PM10 plan.

Region 9: Arizona Adequate Letter (4/21/2000)

This is a letter from David Howekamp, Director, to Nancy Wrona and James Bourey regarding Maricopa County's final revised MAG 1999 Serious Area Carbon Monoxide Plan.

Region 9: Arizona Withdrawn Letter (1/31/2011)

This letter indicates that EPA is withdrawing 5/30/2008 adequacy finding on the 2010 particulate matter of ten microns or less (PM-10) motor vehicle emission budget for the Maricopa County (Phoenix) Nonattainment Area. ((January 31,2011)

Region 9: Arizona Adequate Letter 1 (12/8/1999)

This is a letter from David Howekamp, Director of Air Division, to Nancy Wrona affirming that the TAPA qualifies for the LMP option; therefore, the area is not required to have a constraining emissions budgets.

Ethanol Waivers (E15 and E10)

Learn more E15 and E10 waivers.

PotlatchDeltic Land and Lumber LLC Tribal Minor New Source Review (NSR) Air Permit for Minor Modification at St. Maries Complex

Final tribal minor New Source Review (NSR) air permit issued to PotlatchDeltic Land and Lumber LLC for a minor modification at its wood products facility located in St. Maries, Idaho on the Coeur d'Alene Reservation.

Public Notices of Lead Exceedances in Local Water Systems in the Pacific Southwest

As required by the Safe Drinking Water Act, EPA is notifying communities of lead action level exceedances when a water system fails to provide a timely notice including potential health effects and what actions people can take to reduce their exposure.

EPA Notifications for Lead Action Level Exceedances

SDWA requires EPA to notify the public of lead action level exceedances if a state and system fail to provide the notification.

Statutes for Renewable Fuel Standard Program

A number of laws serve as EPA's foundation for protecting the environment and public health. In addition, a number of Presidential Executive Orders (EOs) play a central role in EPA's activities.