Science & Technology
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Frequently Asked Questions: Laboratory Analysis for Microcystins in Drinking Water
Microcystin method-/laboratory-related FAQs.
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Environmental Education: Where Does Your Water Come From?
This document contains instructions for a taste test will illustrate the differences between groundwater and surface water, highlight some of the common contaminants in natural water and encourage student thought on the sources of drinking water.
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Decision Making, A Mock Town Meeting on a Proposed Tank Farm
A class lesson on discussing a proposed tank farm.
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Thirstin's Water Cycle Adventure
A graphical representation of the water cycle with labels.
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Matching Game: How Much Water?
A matching game using water usage fun facts for grades 4-8.
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Learn About EPA Quality Program
A brief description of the Environmental Protection Agency's Quality Program
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Research in Environmental Economics - NCEE Working Paper Series
environmental economics working paper series
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Cleaning Matters! Lessons Learned from Comparing Response Behaviors and Willingness to Pay in Probability- and Non-Probability Samples
This is a working paper titled "Cleaning Matters! Lessons Learned from Comparing Response Behaviors and Willingness to Pay in Probability- and Non-Probability Samples"
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Answers to Frequent Questions about EPA’s Lead-based Paint Program
This document, the Paint Chip Sample Collection Guide, provides step?by?step instruction in how to collect paint chip samples and submit them for analysis.
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Environmental Response Laboratory Network (ERLN) Basic Ordering Agreement Fact Sheet
Having a standing agreement means that a laboratory has been vetted and has proven capable of providing certain services that meet ERLN standards, and it provides a mechanism for EPA to quickly task a lab to provide supplies/services during an indicent.
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Manufacturer-Run In-Use Testing Program Data for Light-Duty Vehicles, Light-Duty Trucks, and Heavy-Duty Vehicles Class 2b and 3
This page provides data from the manufacturer-run in-use emissions verification testing program (IUVP) and in-use confirmatory testing program (IUCP).
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Information about the On-Site EPA Inspections Map
information on data and use of the Enforcement Case Map
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Information about the Enforcement Case Map
information on data and use of the Enforcement Case Map
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Fuel Economy and Environment Label Examples
See fuel economy and environment label examples for gasoline, electric and plug-in hybrid electric vehicles.
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Substitutes in Foam Blowing Agents
This page describes end uses that use blowing agents as well as how they are used.
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Substitutes in Refrigeration and Air Conditioning
This page lists and describes the refrigeration and air conditioning end-uses.
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Unacceptable and Acceptable Substitutes Tables
Landing page for substitute tables.
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MOU between the USGS and EPA
MOU between USGS and EPA for he Water Quality Portal
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Frequently Asked Questions About Climate Change
Answers to some frequently asked questions about climate change.
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Basics of Climate Change
The earth's climate is changing. Multiple lines of evidence show changes in our weather, oceans, ecosystems, and more. The buildup of greenhouse gases in our atmosphere and the warming of the planet are responsible for changes.