Science & Technology
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Conformity Adequacy Review: Region 4
Resources are for air quality and transportation government and community leaders. Information on the adequacy/inadequacy of state implementation plans (SIPs) in EPA Region 4 (AL, FL, GA, KY, MS, NC, SC, TN) is provided here.
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The Wastewater Information System Tool (TWIST)
TWIST is downloadable, user-friendly management tool that will allow state and local health departments to effectively inventory and manage small wastewater treatment systems in their jurisdictions.
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Oxytetracycline hydrochloride Petition and Response
Petition(s) and Response(s) for Oxytetracycline hydrochloride
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Cumene; Final Test Rule
EPA is issuing a final test rule, under aeetion 4 of the Toxic Substances Control Act (TSCA), requiring manufacturers and processors of cumene (isopropyl benzene. CAS No. 98-82-8) to perform testing.
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Acute Exposure Guideline Levels (AEGLs) Committee Meetings and Minutes (1996-2010)
Lists the meeting summaries of all of the NAC FACA committee meetings
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Non-Cancer Screening Approaches for Health Effects
Website provides users with assessment approaches and rules of thumb for identifying health effects concerns for a chemical of interest
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Asserting Confidential Business Information (CBI) Claims and Certification Statements
These Frequently Asked Questions (FAQs) are intended to clarify the reporting requirements for Chemical Data Reporting for the 2016 reporting period.
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Air Quality Design Values
This is where EPA publishes the annual design values updates for the criteria pollutants.
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National Lakes Assessment 2012 Results
Results for the National Lakes Assessment 2012, including key findings, national results, ecoregional results, and state highlights.
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Case Studies: Use Green Engineering in the Design and Operation of Industrial Processes
Green engineering can be applied to industrial processes to lower risk, reduce waste, and make chemical manufacturing more economical.
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Finalization of Guidance on Incorporation of Water Treatment Effects on Pesticide Removal and Transformations in Drinking Water Exposure Assessments
The guidance discusses how EFED considers and uses data on pesticide removal resulting from drinking water treatment processes.
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First List of Chemicals for Tier 1 Screening
Describes background information, the chemical selection approach, and chemical substances deferred from screening for the April 2009 final list of chemicals for initial tier 1 screening.
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Draft Test Guidelines for Pesticides and Toxic Substances
Listing of Draft OCSPP Test Guidelines with links to the draft guidelines
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Basic Information about Chemical Data Reporting
A brief overview on the development of the CDR/ IUR regulations and general requirements for reporting.
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Background and Discussion Questions for Identifying Priority Chemicals for Review and Assessment
This discussion guide is intended to be used to help structure public input during the September 2011 webinar and discussion forum addressing the prioritization factors and data sources EPA plans to use to identify priority chemicals for review.
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Federal Register notice: Trichloroethylene (TCE); Regulation of Use in Vapor Degreasing under TSCA §6(a)
EPA is proposing under section 6 of the Toxic Substances Control Act (TSCA) to prohibit the manufacture (including import), processing, and distribution in commerce of TCE.
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ECM for Cymoxanil in Water - MRID 44180753
Environmental Chemistry Methods for Cymoxanil in Water - MRID 44180753
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ECM for Diazinon in Water - MRID 41490401
Environmental Chemistry Methods for Diazinon in Water - MRID 41490401
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ECM for Diclosulam in Soil - MRID 44587802
Environmental Chemistry Methods for Diclosulam in Soil - MRID 44587802
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ECM for Diquat in Soil - MRID 40917403
Environmental Chemistry Methods for Diquat in Soil - MRID 40917403