Science & Technology
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Summary of Arizona's Water Reuse Guideline or Regulation for Centralized Non-potable Reuse
Arizona (State Regulation) | Source water: Treated municipal wastewater | End use: Centralized non-potable water reuse
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Summary of Colorado's Water Reuse Guideline or Regulation for Industry
Colorado (State Regulation) | Source water: Treated municipal wastewater | End use: Water reuse for industry
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Summary of Arizona's Water Reuse Guideline or Regulation for Consumption by Livestock
Arizona (State Regulation) | Source water: Treated municipal wastewater | End use: Consumption by livestock
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Summary of Florida's Water Reuse Guideline or Regulation for Industry
Florida (State Regulation) | Source water: Treated municipal wastewater | End use: Water reuse for industry
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Summary of Colorado's Water Reuse Guideline or Regulation for Agriculture
Colorado (State Regulation) | Source water: Treated municipal wastewater | End use: Agriculture
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Summary of Colorado's Water Reuse Guideline or Regulation for Centralized Non-potable Reuse
Colorado (State Regulation) | Source water: Treated municipal wastewater | End use: Centralized non-potable water reuse
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Summary of Florida's Water Reuse Guideline or Regulation for Potable Water Reuse
Florida (State Regulation) | Source water: Treated municipal wastewater | End use: Potable water reuse
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Water Quality Portal Modernization Quick Reference Guide
This page includes a description of the Water Quality Portal Quick Reference Guide and documentation tables for the WQX 2.0, 3.0, and WQP outbound fields and data profiles.
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KABAM Version 1.0 User's Guide and Technical Documentation - Appendix B - Explanation of Defaults and Alternative Values Representing Abiotic Characteristics of Aquatic Ecosystem
Discussion of values used in KABAM for particulate organic carbon, dissolved organic carbon, dissolved oxygen, suspended solids, water temperature, and % organic carbon content of the sediment.
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EPA's Response to NRDC's Public Statement
Natural Resource Defense Council made comments about EPA's pesticide program and protection of bees, following a FOIA request regarding clothianidin. NRDC misrepresented EPA efforts to mitigate Colony Collapse Disorder (CCD) and general pollinator decline.
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Fact Sheet: Residential Wood Heaters: New Source Performance Standards
The U.S. Environmental Protection Agency (EPA) is finalizing amendments to the 2015 New Source Performance Standards for New Residential Wood Heaters, New Hydronic Heaters and Forced-Air Furnaces
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National Emission Standards for Aerospace Manufacturing and Rework Facilities (Subpart GG) - Guidance Document
National Emission Standards for Aerospace Manufacturing and Rework Facilities (Subpart GG) - Guidance Document
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Petroleum Refineries - Summary of Public Comments and Responses
National Emission Standards for Hazardous Air Pollutants
for Petroleum Refineries
Background Information for Final Rule
Summary of Public Comments and Responses -
Water Quality Standards Regulations: Navajo Nation
Information related to Water Quality Standards for Navajo Nation.
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Water Quality Standards Regulations: Makah Indian Tribe
Information related to Water Quality Standards for Makah Indian Nation.
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Water Quality Standards Regulations: Yerington Paiute Tribe
Information related to Water Quality Standards for the Yerington Paiute Tribe.
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Things You Can Do to Protect Water Quality
Nobody knows your community better than you do! We encourage you to take an active role in protecting the water resources in your community.
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Provide Public Comments and Attend Meetings to Protect Water Quality
ACT: Provide Public Comments and Attend Meetings
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Water Quality Standards Regulations: Confederated Tribes of Coos, Lower Umpqua, and Siuslaw Indians
Information about water quality standards for the Confederated Tribes of Coos, Lower Umpqua, and Siuslaw Indians.
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2023 Technical Systems Audit (TSA) Training - Preliminary Agenda
Preliminary (draft) agenda for the 2023 TSA Training