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  • What’s the difference between air sampling and air monitoring?

    Air monitoring and air sampling are two different methods of looking at air quality. Air monitoring uses electronic devices to provide real-time readings of contaminants in the air. Air sampling involves trapping air over a period of time in a container that is then sent to a laboratory for analysis…

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  • What is EPA’s role in sampling?

    EPA is part of the Unified Command consisting of different agencies to review, approve and direct Norfolk Southern’s workplans and site activities. Surface water sampling is performed by Norfolk Southern contractors, with EPA and Ohio EPA oversight. Soil sampling is performed both by Norfolk Southern contractors and EPA contractors. Air…

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  • Obtaining an RMP ID Number

    How can a facility subject to the Risk Management Plan (RMP) requirements obtain its RMP ID number? The owner or operator of a regulated RMP facility that has already submitted an RMP, may obtain the facility's identification number (RMP ID Number) by contacting the RMP Reporting Center (703-227-7650). An RMP-covered…

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  • Does EPA have enforcement authority for the risk management program regulations?

    Yes. Under §113 of the CAA, the Agency has the authority to bring administrative and judicial actions against violators. Judicial actions can be civil and criminal in nature. Section 113(a)(3) authorizes the Agency to order violators to comply with the risk management program regulations. Under section 113(b), the Agency may…

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  • Criteria for selecting stationary sources to audit

    What criteria will be used to select stationary sources for periodic compliance audits of risk management plans (RMPs) submitted under 40 CFR Part 68, Subpart G? The implementing agency will, according to the regulations at 40 CFR §68.220(b), select stationary sources for audits based on any of the following criteria…

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  • Is there a citizen suit provision applicable to RMP?

    Is there a citizen suit provision applicable to CAA §112 and the risk management program rule? Yes, section 304 of the CAA includes a citizen suit provision for violations of emission standards or limitations promulgated under the Act.

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  • Accessing RMP Data

    Is Risk Management Plan (RMP) data available to the public and, if so, where can it be found? Risk Management Plans (RMPs) prepared and submitted pursuant to CAA section 112(r) are, by statute, available to the public. Members of the general public may obtain RMP data by visiting a designated…

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  • How may state and local rules be more stringent?

    In what ways may state and local rules be more stringent? Does this document ( General Risk Management Program Guidance ) provide guidance on state and local differences? States and localities may impose more detailed requirements, such as requiring more documentation or more frequent reporting, specifying hours of training or…

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  • What is a farm for purposes of the SPCC Rule?

    In the December 2006 amendments to the SPCC Rule, EPA defined a farm as "a facility on a tract of land devoted to the production of crops or raising of animals, including fish, which produced and sold, or normally would have produced and sold, 1,000 or more of agricultural products…

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  • Examples of an agent of a Professional Engineer

    Except as provided in 40 CFR §112.6 for qualified facilities, a Professional Engineer (PE) or an agent of the PE must visit and examine the facility before the PE certifies an SPCC Plan (40 CFR §112.3(d)). What are some examples of an agent of a PE? An agent of a…

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  • What is considered bulk oil storage capacity?

    The revised rule recognizes that oil is sometimes stored in bulk and sometimes used operationally. A bulk storage container is any container storing oil at a facility. Bulk oil storage containers may include, but are not limited to tanks, containers, drums, and mobile or portable totes. Operational use includes oil-filled…

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  • What is the plume map and what does it tell us?

    The plume map is an “event reconstruction” based on known weather and on-site observations during a 10-hour time period after the vent-and-burn operation that occurred on Monday, February 6. It tells us where soot likely fell to the ground and where the highest concentrations of particles may be. This information…

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  • Mobile fuel tanker as a facility

    Is a non-transportation related mobile fuel tanker with more than 55 gallons located near a 55 gallon drum storage area considered a facility? Perhaps. "Facility" is defined in Part 112 to mean "any mobile or fixed, onshore or offshore building, structure, installation, equipment, pipe, or pipeline (other than a vessel…

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  • What is split sampling?

    Split sampling is a technique where multiple samples are collected from the same location at the same time and then sent to separate laboratories for analysis. Checking to see if the labs get the same or similar results is a way to determine the accuracy of the data. If there…

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  • What work happens after contamination under and between the train tracks is removed?

    After track work is complete, additional cleanup and assessments will continue. This includes shipping solid and liquid wastes off-site, excavating in areas where rail cars were staged and scrapped, and sampling and monitoring groundwater, soil, surface water, and sediment.

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