Collections and Lists
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Request Analytical Services for your Water Laboratory
Request lab support for drinking water and wastewater systems using the WLA
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EPA Approved Nonregulatory Provisions and Quasi-Regulatory Measures in the Wisconsin SIP
EPA Approved Nonregulatory Provisions and Quasi-Regulatory Measures in the Wisconsin SIP
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Clean Air Act Text
The Clean Air Act is the law that defines EPA's responsibilities for protecting and improving the nation's air quality and the stratospheric ozone layer. The last major change in the law, the Clean Air Act Amendments of 1990, enacted in 1990 by Congress.
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EPA Non-Regulatory Health-Based Drinking Water Levels
EPA Non-Regulatory Health-Based Drinking Water Levels - Find information on water contaminants' effects on human health, including advisory tables and documents and benchmarks for pesticides.
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Archived 2011/2012 Request for Proposals (RFP)
Urban Waters Small Grants Archive showing 2011 and 2012 grants.
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Synthetic Minor NSR Permit: Anadarko Uintah Midstream, LLC - Antelope Flats & Sand Wash Compressor Stations with South Central Tank Battery
This page contains documents relevant to the synthetic minor NSR permi for the Anadarko Uintah Midstream, LLC, Antelope Flats & Sand Wash Compressor Stations with South Central Tank Battery, located on the Uintah and Ouray Indian Reservation.
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Title V Operating Permit: WBI Energy Transmission, Inc. - Hardin Compressor Station
Title V Operating Permit for the WBI Energy Transmission, Inc., Hardin Compressor Station, located on the Crow Indian Reservation in Big Horn County, MT.
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Minor NSR Permit: Deseret Power Electric Cooperative - Bonanza Power Plant
Minor NSR permit, response to public comments, and administrative record for the Deseret Generation and Transmission Cooperative Bonanza Power Plant, Uintah and Ouray Indian Reservation, Utah.
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U.S. Great Lakes Areas of Concern Delisting Process
This document outlines the revised delisting process and supersedes the “Process to Complete Formal Delisting of an AOC” section of the 2001 document.
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EPA Regional Office CWSRF Contacts
EPA Regional CWSRF Contacts
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Volunteer Monitoring
Ambient Water Monitoring and Assessment - Volunteer Monitoring Information
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Regulations for Emissions from Marine Vessels
This page provides links to regulations for controlling emissions from marine vessels.
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Certification and Compliance Testing at the National Vehicle and Fuel Emissions Laboratory (NVFEL)
This page provides links to vehicle and engines' certification and testing resources.
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List of New SmartWay Partners
This page contains a comprehensive list of the companies and organizations that have joined the SmartWay Transport Partnership as SmartWay Partners.
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The SmartWay Freight Matters! Webinar Series
This page provides detailed descriptions and links to recordings and pdfs for the SmartWay Freight Matters! Webinar series.
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SmartWay Affiliates List
This page provides a list of organizations that have become SmartWay affiliates to help grow the program and advance freight transporation sustainability.
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General Information for Transportation and Conformity
Transportation conformity is required by the Clean Air Act section 176(c) (42 U.S.C. 7506(c)) to ensure that federal funding and approval are given to highway and transit projects that are consistent with SIP.
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State Implementation Plans (SIP): Submissions that EPA has Found Adequate or Inadequate
EPA/OTAQ’s State and Local Transportation Resources are for air quality and transportation government and community leaders. Information on state implementation plans (SIPs) that EPA has found either adequate or inadequate is provided here.
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Gasoline Programs
This section contains an overview of the key elements of the federal and state gasoline standards.
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Regulations for Gasoline Standards
This section contains the applicable statutes, federal regulations and state standards for the gasoline program.