Science & Technology

Framework for Selecting and Using Tribal Fish and Shellfish Consumption Rates for Risk-Based Decision Making at CERCLA and RCRA Cleanup Sites in Puget Sound and the Strait of Georgia

Conceptual framework for using tribal fish and shellfish consumption rates for estimating risks at Superfund and RCRA cleanup sites in Puget Sound and the Strait of Georgia.

Documented Hypoxia and Associated Risk Factors in Estuaries, Coastal Waters, and the Great Lakes Ecosystems

Estimated Total Nitrogen and Total Phosphorus Loads and Yields Generated within States

Commercial Fertilizer Purchased

Estimated Nitrate Concentrations in Groundwater Used for Drinking

Waters Assessed as Impaired due to Nutrient-Related Causes

Progress towards Adopting Total Nitrogen and Total Phosphorus Numeric Water Quality Standards

Battery Collection Tip Sheet: Safely Collecting and Managing E-Cigarettes from Households

Learn the type of management tools you can use for assessment is sustainable electronics.

Battery Collection in Action Case Study: Vape Aware: E-Cigarette Collection in Boulder County, Colorado

Learn the type of management tools you can use for assessment is sustainable electronics.

How to Identify Lead Free Certification Marks for Pipes, Fittings, Fixtures, Solder, and Flux Used for Drinking Water

This fact sheet provides certification marks and the text that indicates a filter has been certified for lead reduction capabilities.

National Stormwater Calculator

EPA’s National Stormwater Calculator (SWC) is a desktop application that estimates the annual amount of rainwater and frequency of runoff from a specific site anywhere in the United States (including Puerto Rico).

Clean Water Solutions for Puerto Rico’s Isolated Communities

This page explains how EPA is working with local partners to study water quality, identify risks, and support clean drinking water in southeastern Puerto Rico.

Drinking Water Infrastructure Resilience and Sustainability Research

Information about EPA's infrastructure resilience research

Bioassessment and Biocriteria Program Status for Alabama: Streams and Wadeable Rivers

Biocriteria Program Status of Alabama

Aquatic Life Criteria - Ammonia

Documents related to EPA's final 2013 Aquatic Life Ambient Water Quality Criteria for Ammonia (Freshwater). These documents pertain to the safe levels of Ammonia in water that should protect to the majority of species.

SmartWay Technology for Trucks and School Buses

This page provides links to the SmartWay verification process for manufacturers and the verified lists and information for fleet owners and operators.

Caterpillar Technology—Marine Engine Emissions Upgrade Group Kit #7 (Tier 2 to Tier 3), Kit #8 (Tier 1 to Tier 3), Kit #9 (EUI to Tier 3) and Kit #10 (MUI to Tier 3)

This page includes Letter from EPA to Clean Diesel Group LLC approves request for verification of CDG’s Low Nitrogen Dioxide Filter (LNF) System for highway application reducing emissions of certain criteria pollutants.

Mi-Jack Products, Inc.— Tier 4F EcoCrane Hybrid System

EPA confirms verification request from Mi-Jack Products, Inc. regarding the EcoCrane Hybrid System (EcoCrane) replacing generators (Tier 0, 1, 2, 3) for non-road diesel engines on rubber tired gantry cranes (RTG), reducing emissions of criteria pollutants.

EPA and CARB Approve Emissions Modification for Generation 1.1 SUV of the 3.0 Liter Subject Vehicles

EPA and CARB Approve Second Phase of Emissions Modifications for Generation 1.1 SUV of the 3.0 Liter Subject Vehicles (May 18, 2018)

Light-duty Vehicle and Motorcycle Manufacturers’ United States Representatives

This page provides a list of contact information of vehicle manufacturers' United States representatives.