Laws & Regulations
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Notices of Intent Archive: 2009 Potable Water Treatment Facility General Permit (PWTF GP) for Massachusetts & New Hampshire
Notices of Intent Archive for the Potable Water Treatment Facility General Permit (PWTF GP) in Massachusetts and New Hampshire
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Notices of Intent Archive: Hydroelectric Generating Facilities General Permit (HYDROGP) for Massachusetts & New Hampshire
Notices of Intent Archive for the Hydroelectric Generating Facilities General Permit (HYDROGP) in Massachusetts and New Hampshire
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2017 & 2009 Potable Water Treatment Facility General Permit (PWTF GP) for Massachusetts & New Hampshire
Documents, links & contacts for the Notice of Availability of the 2017 & 2009 NPDES General Permit for Discharges from Potable Water Treatment Facilities in Massachusetts (MAG640000) and New Hampshire (NHG640000).
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Schiller Station Administrative Record
Administrative Record documents for Schiller Station, NH
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Notices of Intent Archive: Dewatering General Permit (DGP) for Massachusetts & New Hampshire
Notices of Intent Archive for the Dewatering General Permit (DGP) in Massachusetts and New Hampshire
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Notices of Intent Archive: Noncontact Cooling Water General Permit (NCCW GP) for Massachusetts & New Hampshire
Notices of Intent Archive for the Noncontact Cooling Water General Permit (NCCW GP) in Massachusetts and New Hampshire
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Notices of Intent Archive: Publicly Owned Treatment Works General Permit (POTW GP) for Massachusetts & New Hampshire
Notices of Intent Archive for the Publicly Owned Treatment Works General Permit (POTW GP) in Massachusetts and New Hampshire
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Comments Received During the Public Notice Period for Merrimack Station's 2011 Draft Permit
Comments Received During the Public Notice Period for Merrimack Station's 2011 Draft Permit
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Merrimack Station Administrative Record
Administrative Record documents for Merrimack Station, New Hampshire
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Performance Specification 2 for Sulfur Dioxide and Nitrogen Oxide
Performance Specification 2 - Specifications and Test Procedures for SO2 and NOX Continuous Emission Monitoring Systems in Stationary Sources
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Dewatering General Permit (DGP) for Massachusetts & New Hampshire
Documents, links & contacts for the Notice of Availability of the National Pollutant Discharge Elimination System (NPDES) General Permit for Dewatering Activity Discharges in Massachusetts (MAG070000) and New Hampshire (NHG070000).
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Policy and Procedures for EPA's Data Standards
This document establishes principles and requirements for the development and implementation of data standards.
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Region 1 Final Medium Wastewater Treatment Facilities General Permit for Massachusetts
Documents, links & contacts for the Final Medium Wastewater Treatment Facilities General Permit in Massachusetts.
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Conditional Pesticide Registration
FIFRA section 3(c)(7) authorizes EPA to conditionally register pesticides under certain well-defined circumstances. Find information about pesticide conditional registration.
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Hazardous Waste Combustors: National Emission Standards for Hazardous Air Pollutants (NESHAP)
Learn about the NESHAP for hazardous waste combustors by reading the rule summary and rule history, find supporting documents and and effective dates
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Oil and Gas Sector Information
Learn about environmental resources for the oil and gas sector.
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Region 1 Draft Aquaculture General Permit
Documents, links & contacts for the Draft NPDES Aquaculture General Permit (AQUAGP) for Concentrated Aquatic Animal Production (CAAP) Facilities and Other Related Facilities in Massachusetts, New Hampshire and Vermont
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Technical Amendments to the 2016 New Source Performance Standards and Emission Guidelines for CISWI
Final technical amendments to EPA's Standards of Performance for New Stationary Sources and Emission Guidelines for Existing Sources: Commercial and Industrial Solid Waste Incineration Units;
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Methods and Guidance for Testing the Efficacy of Antimicrobial Products Against Spores of Clostridioides difficile on Hard Non-Porous Surfaces (September 2022)
This document provides an update to the Agency’s interim guidance for the efficacy evaluation of antimicrobial pesticides that are labeled for treating hard non-porous surfaces in healthcare settings contaminated with spores of Clostridium difficile.
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Puerto Rico NPDES Permits
NPDES water permits issued in Puerto Rico.