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  • Do you have to recertify data if it is null coded after you have certified the data?

    if you replace a sample measurement number with a null code, then AQS will reset the certification flag to "M". Alternatively, if you have a date-time where there is no raw data value and submit a null code for that date-time then I don't believe that AQS will change the…

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  • How do I reactivate monitoring at a site?

    The following procedure is only needed if monitoring occurred for the pollutant of interest at the site previously and was stopped for all the monitors at the site for that pollutant. Log into AQS and connect to the screening group that owns the primary monitor at the site. Click on…

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  • EPCRA 312 Back Reporting for Previous Years

    Facilities subject to EPCRA section 312 (40 CFR part 370) must submit an inventory form annually to the state emergency response commission (SERC), local emergency planning committee (LEPC), and local fire department. Do facilities have to report for previous years if they were subject to hazardous chemical inventory reporting but…

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  • EPCRA 311 / 312 Applicability to Brine / Salt Solutions

    Are facilities required to prepare or have available a material safety data sheet/safety data sheet (MSDS/SDS) for brine/salt solutions under the Occupational Safety and Health Administration (OSHA) Hazard Communication Standard (HCS) ( 29 CFR 1910.1200 )? Yes, facilities are required to prepare or have available an MSDS/SDS for brine/salt solutions…

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  • Definition of Ambient Temperature for EPCRA 312 Reporting

    The Tier II Hazardous Chemical Inventory form, used to meet annual EPCRA section 312 reporting requirements, requires facility owners or operators to note whether reported hazardous chemicals are present at, above, or below ambient temperature. What is meant by ambient temperature? Ambient temperature means that the material is stored in…

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  • Definition of "release"

    How is the term "release" defined? CERCLA section 101(22) defines "release" as any "...spilling, leaking, pumping, pouring, emitting, emptying, discharging, injecting, escaping, leaching, dumping, or disposing into the environment (including the abandonment or discarding of barrels, containers, and other closed receptacles containing any hazardous substance or pollutant or contaminant)...."

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  • Who must be notified of a release under EPCRA?

    Who must be notified of a release under Emergency Planning and Community Right-to-Know Act (EPCRA)? The notice required by section 304 of EPCRA is to be given by the owner or operator of a facility (by telephone, radio, or in person) immediately after the release of a CERCLA hazardous substance…

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  • Who must be notified of a release under CERCLA?

    Who must be notified of a release under CERCLA? One call to the NRC fulfills the requirement to report releases of hazardous substances under CERCLA and several other regulatory programs, including those under the Clean Water Act (CWA) section 311, Resource Conservation and Recovery Act (RCRA), and the U.S. Department…

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  • Tests to determine RCRA characteristic of toxicity

    What tests can be used to determine whether a waste exhibits the Resource Conservation and Recovery Act (RCRA) characteristic of toxicity? In 1990, EPA replaced the extraction procedure test for determining whether wastes exhibit the toxicity characteristic with the toxicity characteristic leaching procedure (TCLP). Currently, a waste is considered toxic…

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  • Reporting spills of FIFRA registered pesticides

    If a pesticide registered under the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) is accidentally spilled, must it be reported? Yes. Accidents, spills, improper application, and improper disposal are within the scope of the release notification provisions of CERCLA and must be reported. EPA's interpretation of the pesticide exemption in…

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  • Reportable release time period

    Over what time period must a Reportable Quantity (RQ) of a hazardous substance be released for that release to be reportable? EPA has stated that the period during which the person in charge must measure whether an RQ or more has been released is 24 hours. Reporting must occur immediately…

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  • Release of a RCRA-delisted hazardous waste

    If a company has had its petition to delist a specific Resource Conservation and Recovery Act (RCRA) hazardous waste granted by an EPA-approved State RCRA program, and that company releases this waste in excess of its Reportable Quantity (RQ), is it required to notify the National Response Center (NRC)? Under…

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  • Release notification for disposal into RCRA-regulated facility

    Would disposal of a hazardous substance into a Resource Conservation and Recovery Act (RCRA) Subtitle C permitted facility or interim status facility be reportable? No. The disposal of hazardous substances into a disposal facility in accordance with EPA regulations is not subject to CERCLA notification provisions. Where the disposal of…

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  • Is there a concentration cutoff below which it is not necessary to report a release?

    Is there a concentration cutoff below which it is not necessary to report a release, even though a Reportable Quantity (RQ) might have been exceeded over a 24-hour period? No. There are no concentration cutoffs for the RQs (i.e., a lower-bound concentration below which reporting would not be required). Unless…

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  • What kind of screening does the East Liverpool City Hospital's East Palestine Clinic offer related to the train derailment?

    The screening tests are based on recommendations by specialists in toxicology to monitor anyone exposed to substances from the train derailment. The tests include urine and blood tests. A urinalysis is done that looks for problems involving the kidneys. The blood tests include a complete blood count (CBC) and a…

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