Learn the Issues

This page shows all of the pages at www.epa.gov that are tagged with Learn the Issues.
  • Release Notification for Lead from Ammunition

    Pursuant to 40 CFR 302.6, any person in charge of an onshore facility shall, as soon as he or she has knowledge of any release of a hazardous substance from a facility in a quantity equal to or exceeding the reportable quantity (RQ) in any 24-hour period, immediately notify the…

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  • EPCRA Section 312 applicability

    Who is required to submit a Section 312 Tier I Form? The requirements of Section 312 ( 40 CFR Part 370) apply to the owner or operator of any facility that is required to prepare or have available a material safety data sheet for a hazardous chemical under the OSHA…

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  • MSDS reporting for various blends of gasoline

    A service station stores both leaded and unleaded gasoline on-site. For the purpose of EPCRA 311 hazardous chemical inventory reporting, is the owner/operator of the facility required to submit separate material safety data sheets (MSDS) for each type of gasoline, or is a single MSDS sufficient? Section 311 of EPCRA…

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  • Two threshold planning quantities (TPQs)

    Several substances on the list of extremely hazardous substances (EHSs) have two threshold planning quantities (TPQs) listed in 40 CFR Part 355, Appendix A. When would a facility use the higher TPQ? EHSs that are in solid form are subject to one of two different TPQs. A facility should use…

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  • Reporting hydrofluoric acid as a mixture

    A facility has hydrofluoric acid which is a mixture of hydrogen fluoride and water. The MSDS specifies that the mixture is 50% hydrogen fluoride and 50% water. For purposes of reporting under Sections 311/312, should the facility report on the hydrofluoric acid mixture or the 50% hydrogen fluoride? Since the…

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  • Storage location for batteries in forklifts when complying with Tier II reporting

    As part of Tier II Chemical Inventory Reporting, a facility must provide a brief description of the precise location of the hazardous chemical at the facility ( 40 CFR §370.42(i)(8)(i)). A facility is reporting forklift batteries on their annual Tier II Inventory Form. How should the facility list the storage…

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  • Reporting responsibility under EPCRA §302 for a facility with several unrelated companies?

    A public warehouse is used by several unrelated companies to store extremely hazardous substances (EHSs). For purposes of emergency planning notification, who is responsible, under EPCRA Section 302, for notifying the State Emergency Response Commission if a threshold planning quantity (TPQ) of an EHS is present at the warehouse? The…

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  • Liability for damages that a release may cause

    Once a facility properly notifies the National Response Center (NRC), is it exempted from any liability for damages that the release may cause? No. Proper and timely reporting of a release in accordance with Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) section 103 does not preclude liability for cleanup…

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  • States May Have More Stringent Tier II Reporting Requirements

    Pursuant to the Emergency Planning and Community Right-to-Know Act (EPCRA) section 312, facilities meeting the general applicability requirements of 40 CFR 370.10 must submit Tier II inventory information by March 1st. Can states have more stringent requirements than the federal requirements? If so, how can I find out about the…

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  • Results Using 2025 Reference Case

    Download EPA's IPM v6 including documentation, overview, System Summary Report, .DAT, .RPE, .RPT files, Gas Report, State Level Emissions, Generation and Heat Input Summary.

  • Region 10 Tribal Info Box

    How to subscribe to EPA's listserv for Tribes in Alaska, Idaho, Oregon, and Washington (Region 10).

  • SJRWP

    Information about the San Jacinto River Waste Pits site.

  • Previous Versions of EPA Platforms Using IPM

    Find previous versions of EPA's Integrated Planning Model (IPM) including versions 5.16; 5.15; 5.14; and 5.13.

  • Documentation for 2025 Reference Case

    On this page you will find documentation about EPA’s Platform v6 assumptions, updates, changes, and enhancements, including the full support document as well as additional tables and attachments.

  • Hot Topics in Louisiana

    Hot topics in Louisiana

  • Grant Terms and Conditions

    Grant Terms and Conditions Office of Grants and Debarment. Pertinent guidance information about grant terms and conditions.

  • Risk/Vulnerability Assessment at Red Hill: Additional Documents

    Additional documents related to Red Hill Bulk Fuel Storage AOC SOW 8.0: Risk/Vulnerability Assessment.

  • 2015 Red Hill AOC: Corrosion and Metal Fatigue Practices: Additional Documents

    Additional documents related to Red Hill AOC 5.0 - Corrosion and Metal Fatigue Practices.

  • 2015 Red Hill AOC: Tank Upgrade Alternatives; Additional Documents

    Additional documents related to the Red Hill Administrative Order on Consent (AOC) Statement of Work (SOW) Section 3.0: Tank Upgrade Alternatives.