Learn the Issues

This page shows all of the pages at www.epa.gov that are tagged with Learn the Issues.

  • Phosphogypsum

    Phosphogypsum is a solid waste byproduct from processing phosphate ore to make phosphoric acid that is later used in fertilizer. The phosphate ore and the resulting phosphogypsum contain radium, which decays to form radon gas. Both radium and radon are rad

  • Is household heating fuel exempt from the Sections 311 and 312 requirements?

    Section 311(e)(3) exempts, "any substance to the extent it is used for personal, family or household purposes, or is present in the same form and concentration as a product packaged for distribution and use by the general public." This household product exemption does not apply to the use of household…

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  • Is FDA regulated flour bleaching exempt?

    A facility owner/operator uses chlorine to bleach flour at his/her facility. Would this facility owner/operator be exempt from reporting the chlorine used to bleach flour under EPCRA Section 311/312? EPCRA Section 311 (e)(1) exempts any food, food additive, drug, or cosmetic regulated by the Food and Drug Administration (FDA). EPA…

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  • Is creosote-treated wood exempt under the consumer product exemption?

    Until recently, OSHA exempted wood and wood products from the Hazard Communication Standard (HCS) program. On February 9, 1994, OSHA amended its HCS to no longer exempt certain wood and wood products ( 59 FR 6126 ). The revised exemption found at 29 CFR 1910.1200(b)(6)(iv) applies only to wood and…

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  • Is an animal refuge exempt from 311 and 312?

    An animal refuge sprays herbicides and pesticides on its grounds to better the quality of the area for the animal inhabitants. Is the spraying of these pesticides exempt from the requirements of Sections 311 and 312 of Title III under the exception to the definition of "hazardous chemical" for any…

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  • Forklift batteries

    EPCRA section 311(e)(3) exempts from the definition of hazardous chemical any substance to the extent is used for personal, family, or household purposes, or is present in the same form and concentration as a product packaged for distribution and use by the general public ( 40 CFR 370.13(c)(1) ). Does…

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  • Does MSHA have jurisdiction over inactive mine facilities?

    The owner of a coal mine is maintaining one bulk anhydrous ammonia tank and satellite ammonia tanks because of an agreement with the State pursuant to environmental regulations concerning acid mine drainage. Ammonia is used to treat surface water runoff (raise the pH of the effluent). The mine is no…

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  • Consumer product exemption and batteries

    Sections 311 and 312 apply to owners or operators of any facility that is required to prepare or have available a material safety data sheet (MSDS) for an OSHA defined hazardous chemical present at the facility at any one time in amounts equal to or greater than established thresholds. Facility…

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  • Can a lease agreement exempt a facility owner from Tier II reporting?

    An owner leases a facility to another person. The lease agreement states that "in its use and occupancy of the facility and in its use of the leased equipment, the lessee shall abide by and comply with all governmental laws, regulations and requirements." Does this contractual language exempt the owner…

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  • Are there any exemptions under Sections 311 and 312?

    There are five exemptions under Sections 311 and 312. These exemptions are provided in Section 311(e) in the following order: Any food, food additive, color additive, drug, or cosmetic regulated by the Food and Drug Administration; Any substance present as a solid in any manufactured item to the extent exposure…

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  • Macroinvertebrates Data and Major Findings

    This page will provide data on the Great Lakes coastal wetland monitoring program.

  • Laboratory Services and Applied Science Division

    The state-of-the-art laboratory is occupied by by the Region 4 Science and Ecosystem Support Division (SESD).

  • Green Power Purchases at EPA

    This page contains Information about renewable energy certificates.

  • TSCA Statement of Interpretation and Enforcement Policy; Notification of Substantial Risk

    This action states EPA's interpretation of, and enforcement policy concerning, section 8(e) of the Toxic Substances Control Act (TSCA).

  • Final Risk Evaluation for Methylene Chloride

    Materials supporting and explaining initial risk determination for methylene chloride.

  • An Office Building Occupant's Guide to Indoor Air Quality

    This guide is intended to help people who work in office buildings learn about the factors that contribute to indoor air quality and comfort problems and the roles of building managers and occupants in maintaining a good indoor environment.

  • Improving Your Indoor Environment

    This infographic shows helpful tips on ways to improve your indoor air quality (IAQ).

  • Basic Information about the Indoor Air Quality Tribal Partners Program

    IAQ Tribal Partners Program. This website aims to further empower champions of healthy IAQ in tribal communities with tools for networking, sharing programs and practices, and by serving as a reservoir of the best available Tribal-specific IAQ information.

  • Frequent Questions about Indoor Air and Coronavirus (COVID-19)

    Frequent questions on indoor air related to Coronavirus (COVID-19).

  • What is a DIY air cleaner, and can it help protect homes from COVID-19?

    Do-it-yourself (DIY) air cleaners are indoor air cleaners that can be assembled from box fans and square HVAC (or furnace) filters. A variety of designs exist, using a single fan and one to five air filters. In its simplest form, a single filter is attached to the front or back…

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