Learn the Issues

This page shows all of the pages at www.epa.gov that are tagged with Learn the Issues.
  • Hazardous Air Pollutants' Fact Sheet Chemical Cross Reference

    Hazardous Air Pollutants' Fact Sheet Chemical Cross Reference

  • Health and Environmental Effects of Hazardous Air Pollutants

    What are the health and environmental effects of hazardous air pollutants?

  • Emergency Response and Management Activities

    This quarterly report, highlighting accomplishments over the past several months, showcases EPA’s unique emergency response capabilities through the use of cutting-edge technologies and innovative cleanup strategies.

  • Multiple Releases During 24-Hour Period

    CERCLA release notification requirements state that any person in charge of a vessel or an offshore or an onshore facility shall, as soon as he has knowledge of the release of a hazardous substance in a quantity equal to or exceeding the reportable quantity (RQ), immediately notify the National Response…

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  • Who must be notified when a release occurs?

    In the event that a listed Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) hazardous substance or extremely hazardous substance is released in an amount equal to, or exceeding the reportable quantity (RQ) for that substance, the following parties must be notified: Community emergency coordinator for the local or tribal…

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  • Are written follow-up notifications required after the initial telephone notifications?

    When a facility releases a reportable quantity of a hazardous substance, are there any requirements for written follow-up notification, after the initial telephone notifications, under the Emergency Planning and Community Right-to-Know Act (EPCRA) or the Comprehensive Emergency Response, Compensation, and Liability Act (CERCLA)? Under EPCRA, an owner or operator must…

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  • EPCRA Release Notification of RQ in Any 24-Hour Period

    EPCRA section 304 requires notification to the State Emergency Response Commission (SERC) and the Local Emergency Planning Committee (LEPC) when there is a release of a reportable quantity (RQ) of either a CERCLA hazardous substance or an extremely hazardous substance (EHS). CERCLA section 103(a) and 40 CFR 302.6 require notification…

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  • Tier2 Submit software and confidential chemical location information

    When using EPA’s Tier2 Submit software to comply with the annual Hazardous Chemical Inventory reporting requirement under the Emergency Planning and Community Right-to-Know Act (EPCRA) §312, how can a person withhold confidential chemical location information from disclosure to the public? In order to fulfill the proper reporting under EPCRA, a…

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  • Maximum Occupancy Rating for Tier II Reporting

    Tier II chemical inventory information requires as estimate of the maximum number of occupants present at any one time at the facility ( 40 CFR 370.42(f) ). If a facility is given a maximum occupancy rating by a local official, should that rating be used when completing the Tier II…

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  • Release notification requirements for releases of aqueous film forming foam

    Aqueous Film Forming Foam (AFFF), a substance commonly used by firefighters, contains ethanol, 2-(2-butoxyethoxy) which is categorized as a glycol ether. Glycol ethers meet the definition of hazardous substance in CERCLA 101(14) because they are hazardous air pollutants pursuant to 112(b) of the Clean Air Act. In 1990, the Clean…

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  • Determining the amount released for Ammonia and Ammonium Hydroxide for Release Notification Requirements under CERCLA section 103 and EPCRA section 304

    Ammonia (CAS number 7664-41-7) is an Extremely Hazardous Substance (EHS), listed at 40 CFR Part 355 Appendix A and Appendix B with a reportable quantity (RQ) of 100 lbs. Both ammonia and ammonium hydroxide (CAS number 1336-21-6) are listed as Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) hazardous substances…

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  • Current and Past Emergency Responses

    EPA provides support when requested, or when state and local first responder capabilities have been exceeded, in response to chemical, oil, biological, and radiological releases and large-scale national emergencies, including homeland security incidents.

  • Past Emergencies

    These activities, some of national significance requiring coordination with other agencies, demonstrate the emergency response program and provide valuable experience so that EPA can better prevent, prepare for, and respond to emergencies in the future.

  • SO2 Data Requirements Rule January 13, 2017 State Submittals - New Hampshire

    SO2 Data Requirements Rule January 13, 2017 State Submittals - New Hampshire

  • Lakewood, Colorado (Terumo BCT Sterilization Service, Inc.) - Español

    Los científicos y analistas de la Agencia de Protección Ambiental (EPA) completaron recientemente una evaluación de riesgos para comprender el impacto de las emisiones de EtO de la instalación de Terumo BCT Sterilization Service, Inc.

  • P2 Regional Contacts

    This page contains the regional EPA staff for the pollution prevention program.

  • Groveland, Florida (International Sterilization Laboratory) - Español

    Los científicos y analistas de la Agencia de Protección Ambiental (EPA) completaron recientemente una evaluación de riesgos para comprender el impacto de las emisiones de EtO de la instalación de International Sterilization Laboratory.

  • Hanover, Maryland (Elite Spice Inc.) - Español

    Los científicos y analistas de la Agencia de Protección Ambiental (EPA) completaron recientemente una evaluación de riesgos para comprender el impacto de las emisiones de EtO de la instalación de Elite Spice, Inc.

  • Salisbury, Maryland (Trinity Sterile, Inc.) - Español

    Los científicos y analistas de la EPA completaron recientemente una evaluación de riesgos para comprender el impacto de las emisiones de EtO del establecimiento de Trinity Sterile, Inc.

  • Erie, Pensilvania (Cosmed Group LLC/Erie) - Español

    Los científicos y analistas de la Agencia de Protección Ambiental (EPA) completaron recientemente una evaluación de riesgos para comprender el impacto de las emisiones de EtO de la instalación de Cosmed Group LLC/Erie.