Science & Technology

Documentation for Risk-Screening Environmental Indicators (RSEI) Geographic Microdata (RSEI-GM)

information on the RSEI Geographic Microdata, which are a unique dataset that provides detailed air model results from the RSEI model at a level of 810 meter square grid cells

Final Risk Evaluation for n-Methylpyrrolidone (NMP)

Materials supporting and explaining initial risk determination for NMP

Nitrogen Dioxide (NO2) and Sulfur Dioxide (SO2) Secondary Standards - Planning Documents from Current Review

Scientific and technical planning documents used to review and develop the Nitrogen Dioxide (NO2) and Sulfur Dioxide (SO2) Secondary national ambient air quality standards.

Reports and Documents on Charles River

Read various reports and documents on the Charles River, including EPA Water Quality reports and links to the U.S Geological survey reports

RFR 17002A; Exhibits

Request for Reconsideration Denka Performance Elastomer LLC; Exhibits A-G

RFR 17002A - Request for Reconsideration Transmittal Letter Dated 07/23/18; Recieved 07/24/18

Request of Reconsideration of Denial of Request for Correction # 17002 (chloroprene)

TSCA Section 6 Import/Export Requirements for Specific Chemicals

Information on Section 6 of TSCA import and export requirements applicable to certain specific chemicals

Upcoming Webinars on Use of Non-Animal Test Methods in Chemical Risk Assessment

Listserv announcing three webinars on using non-animal testing in risk assessments

ECM for Pyriofenone in Water - MRID 49256133

These documents include the analytical method for pyriofenone in water, an independent laboratory validation of the method, and EPA's evaluation of the method and validation.

ECM for Methomyl in Soil - MRID 42288001

Environmental Chemistry Methods for Methomyl in Soil - MRID 42288001

ECM for Pyriofenone in Soil - MRID 49256126

These documents include the analytical method for pyriofenone in soil, an independent laboratory validation of the method, and EPA's evaluation of the method and validation.

ECM for Momfluorothrin in Soil - MRID 49019934

ECM for Methomyl in Soil - MRID 43117401

Environmental Chemistry Methods for Methomyl in Soil - MRID 43117401

ECM for Metaflumizone & Degradates in Soil - MRID 46264225

Environmental Chemistry Methods for Metaflumizone & Degradates in Soil - MRID 46264225

ECM for Oxathiapiprolin & Four Degradates in Soil - MRID 49011152

Environmental Chemistry Methods for Oxathiapiprolin & Four Degradates - MRID 49011152

ECM for Mepiquat Chloride in Soil - MRID 42369401

Environmental Chemistry Methods for Mepiquat Chloride in Soil

ECM for Metrafenone & Degradate CL 375816 in Water - MRID 47267436

Environmental Chemistry Methods for Metrafenone & Degradate CL 375816 in Water - MRID 47267436

ECM for Acetochlor in Soil - MRID 41089204

Environmental Chemistry Methods for Acetochlor in Soil - MRID 41089204

ECM for Pyrimisulfan & Degradates in Soil - MRID 49683199

ECM for Lambda-cyhalothrin in Soil - MRID 49520001