Laws & Regulations

Consumer Confidence Reports Presentation

Consumer Confidence Reports Presentation given by Nara Jirik at the WWQ/PCA Conference held in Casper, Wyoming in October of 2017.

True Minor NSR Permit: MHA Nation - Native Green Grow (NG2)

True minor NSR permit application, air quality modeling files, draft permit and other supporting documentation for the MHA Nation - Native Green Grow (NG2), on Fort Berthold Indian Reservation.

40 CFR Part 232: 404 Program Definitions; Exempt Activities Not Requiring 404 Permits

This part describes those activities which are exempted from regulation

2020-2022 Air Emissions Modeling Platforms

The 2017-2019 Version 7 emissions modeling platforms are based on 2017 NEIv2.

Oklahoma NPDES Permits

NPDES water permits issued in Oklahoma.

Choctaw Nation of Oklahoma WWTP - NPDES Permit No. OK0046087

State Authorization Rule Checklists 125 through 134 for Hazardous Waste Rulemakings Published Between July 1993 and June 1994

Rules, checklists, summaries and Federal Register Notice links related to State Program Advisory 35 between July 1993 and June 1994.

Kickapoo Casino Harrah WWTP - NPDES Permit No. OK0044733

State Authorization Rule Checklists 135 through 144 for Hazardous Waste Rulemakings Published Between July 1994 and June 1995

Rules, checklists, summaries and Federal Register Notice links related to State Program Advisory 35 between July 1994 and June 1995.

State Authorization Rule Checklists 80 through 91 for Hazardous Waste Rulemakings Published between July 1990 and June 1991

Rules, checklists, summaries and Federal Register Notice links related to State Program Advisory 35 between July 1990 and June 1991.

Caney Residential Yards National Priorities List (NPL) Superfund Site, Caney, Montgomery County, Kansas – Fact Sheet, May 2025

Residential Yard Testing and Cleanup Opportunity; Remedial Action Site Update

Summary of Resource Conservation and Recovery Act State Authorization Rule Checklist 117 B

Hazardous Waste Management System

Regulatory and Guidance Information by Topic: Air

Environmental Regulatory information for air topics, including indoor air, mold, radiation, acid rain, ozone, particulate matter, vehicles, engines and fuels.

Residential Wood Heater Compliance Monitoring Program

Information on compliance with with the requirements of the wood heater rule and certified wood stoves.

Frequent questions related to motorcycle fueling

Questions and answers related to motorcycle fueling

Certification of Annual LSL Consumer Notification

Lead Service Line Inventory Template - This spreadsheet template may be used by public water systems in Wyoming and on EPA R8 Tribal Lands for service line inventories.

GHGRP Events and Training

Listing of training opportunities, including live sessions, webinars, and archived presentations, related to the GHGRP.

EPA Approved Statutes and Regulations in the Memphis-Shelby County, TN APCB LIP

EPA Approved Statutes and Regulations in the Memphis-Shelby County, Tennessee LIP as of 05/20/25

Guidelines for Exposure Assessment

1992 final guidelines for exposure assessment.

Recommended Use of Body Weight 3/4 as the Default Method in Derivation of the Oral Reference Dose

This document promotes the use of BW3/4 as a default method to convert data between species for both categories of endpoints.