Data and Tools
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SDWIS Federal Reporting Services Data Dictionary
SDWIS Federal Reports Search system data dictionaries for the reports, filters, and data fields available within the system.
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Wetlands Programs Adopted by States and Tribes and Analysis of Core Components
Information about State, Tribal and Local Initiatives
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How Do I Develop a Wetlands Regulatory Program?
Information on how to develop a regulatory program and how to implement it
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How Do I Develop a Wetlands Monitoring Program?
Information on how to develop a monitoring program
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RSEI and NATA
A summary comparison of RSEI and the National Air Toxics Assessment (NATA)
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Sediment Oxygen Demand
Field Branches Quality System and Technical Procedures
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Field Specific Conductance
Field Branches Quality System and Technical Procedures
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Procedures about Global Positioning System for the Laboratory Services and Applied Science Division
Field Branches Quality System and Technical Procedures
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Procedures for Measuring Wastewater Flow
Field Branches Quality System and Technical Procedures
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Emerging Viral Pathogen Claims for SARS-CoV-2: Submission Information for Registrants
Emerging Viral Pathogen Claim Submission Information for Registrants information. List N: Disinfectants for use against SARS CoV 2 that causes CoVID 19
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Manufacturer How-To Guide
This page is intended to help small or medium-sized manufacturers navigate the E3 assessment process.
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E3 Supply Chain How-To Guide
Key steps for large manufacturers to initiate an E3 project for their supply chain, including resources for recruiting suppliers and recognizing supplier achievements.
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Guidance for Developing Ecological Soil Screening Levels
Document containing guidance for developing ecological soil screening levels.
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Interim Final Eco-SSL Guidance: Publications Rejected as Not Acceptable for Plants and Invertebrates
Documents listing publications deemed Not Acceptable for Ecological Soil Screening Level derivation.
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Interim Final Eco-SSL Guidance: Literature Rejection Category Keywords
This document lists the definitions of codes describing the basis for rejecting a paper as Not Acceptable for Ecological Soil Screening Level derivation.
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Ecological Soil Screening Level
The Eco-SSL derivation process is used to derive a set of risk-based ecological soil screening levels (Eco-SSLs) for many of the soil contaminants that are frequently of ecological concern for plants and animals at hazardous waste sites.
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Interim Ecological Soil Screening Level Documents
Documents for each contaminant in the Ecological Soil Screening Level (Eco-SSL) derivation process.
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Interim Final Eco-SSL Guidance: Publications Deemed Acceptable for Plants and Invertebrates
Documents listing publications deemed Acceptable for Ecological Soil Screening Level derivation.
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Is Your Utility Cyber Aware?
This page provides statistics about cybersecurity incidents in the water sector and resources to prevent cyber attacks.
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AP 42, Fifth Edition, Volume I Chapter 4: Evaporation Loss Sources
AP 42, Fifth Edition, Volume I Chapter 4: Evaporation Loss Sources