Data and Tools
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EPA Traceability Protocol for Assay and Certification of Gaseous Calibration Standards
EPA's air monitoring regulations require the use of Protocol Gases to set air pollution monitors. This protocol balances the government's need for accuracy with the producers' need for flexibility, low cost, and minimum external oversight.
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CatReg for Windows Release History
Categorical Regression (CatReg) software release history page, updating changes for each version
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ECM for Dimethyl Disulfide in Sorbent Charcoal Tubes - MRID 48535303
Environmental Chemistry Methods for Dimethyl disulfide in Sorbent charcoal tubes - MRID 48535303
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ECM for Bispyribac-sodium in Soil - MRID 45243501
Environmental Chemistry Methods for Bispyribac-sodium in Soil - MRID 45243501
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ECM for Bifenthrin & 4'-OH Degradate in Soil - MRID 41673103
Environmental Chemistry Methods for Bifenthrin & 4'-OH Degradate in Soil - MRID 41673103
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ECM for Benomyl & Degradates MBC & 2-AB in Soil - MRID 44295402
Environmental Chemistry Methods for Benomyl & Degradates MBC & 2-AB in Soil - MRID 44295402
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ECM for Aminopyralid in Water - MRID 47572602
Environmental Chemistry Methods for Aminopyralid in Water - MRID 47572602
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ECM for Ametryn & Degradates in Soil - MRID 41701601
Environmental Chemistry Methods for Ametryn & Degradates in Soil - MRID 41701601
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ECM for Endothall in Soil/Sediment - MRID 44093402
These documents include the analytical method for Endothall in sediment,
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ECM for Tiafenacil & Degradates in Water - MRID 50493807
Environmental chemistry methods for Tiafenacil and Degradates in Water - MRID 50493807
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ECM for Tiafenacil & Degradates in Soil - MRID 50493805
Environmental chemistry methods for Tiafenacil and Degradates in Soil - MRID 50493805
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ECM for Tiafenacil & Degradates in Sediment - MRID 50493809
Environmental chemistry methods for Tiafenacil and Degradates in Sediment - MRID 50493809
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ECM for Valifenalate & Degradates in Soil - MRID 49807289
ECM for Valifenalate & Degradates in Soil - MRID 49807289
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ECM for Valifenalate & Degradates in Water - MRID 49807180
Environmental Chemistry Methods for Valifenalate MRID 49807180
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ECM for Tribenuron-methyl & Degradates in Water - MRID 49378203
ECM for Tribenuron-methyl & Degradates in Water- MRID 4937820
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Drought Response and Recovery for Water Utilities
Learn how to address drought and your water utility
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Get Technical Assistance for Your Water Utility on Flood or Drought Resilience
Technical assistance materials web page to help drinking water and wastewater utilities become resilient to floods.
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Frequent Questions About Healthy Watersheds
This page list all the frequently asked questions.
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Electronic Submissions of Pesticide Applications
Applications for pesticide registration can be submitted electronically, including forms, studies, and draft product labeling. Applicants need not submit multiple electronic copies of any pieces of their applications.
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Crazy Egg Report Request Form
The Web analytics program can create three Crazy Egg reports per Office/Region, per month. Unless otherwise requested, reports will capture data for 5,000 visits to the page or two months, whichever comes first.