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Criteria for selecting alternative release scenarios
As part of the hazard assessment, owners and operators of Program 2 and Program 3 covered processes must identify and analyze alternative release scenarios (40 CFR §68.28). What criteria should be used when selecting an alternative release scenario? The owner or operator of a stationary source subject to the risk…
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Does the distance to endpoint start at the process or stationary source boundary?
When selecting the worst-case release scenario for Program 2 and 3 processes as required by 40 CFR §68.25, a stationary source owner or operator must analyze the release scenario that results in the greatest distance to an endpoint. Does the "greatest distance to an endpoint" refer to the greatest total…
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Using meteorological station data for off-site consequence analyses
For the purpose of the offsite consequence analyses required under 40 CFR Part 68, Subpart B, there are several instances in which data gathered at a local meteorological station may be used to establish the modeling parameters of wind speed, atmospheric stability, temperature, and humidity for the stationary source. How…
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Underground storage tank off-site impacts to groundwater, drinking water, or soil
For the worst-case and alternative release scenarios of an underground storage tank, should I consider any impact on groundwater, drinking water, or soil? No. As part of the worst-case and alternative release scenarios, you need to define the offsite impacts to the environment (40 CFR §68.33) by listing the environmental…
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Administrative controls considered when determining worst-case release quantity
For the purpose of analyzing the worst-case release scenario required as part of the hazard assessment at 40 CFR Part 68, Subpart B, the worst-case release quantity is identified as the greatest amount held in a single vessel or pipe, taking into account administrative controls that limit the maximum quantity…
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Are Mechanical Controls Considered Administrative Controls?
For the purpose of analyzing the worst-case release scenario required as part of the hazard assessment at 40 CFR Part 68, Subpart B, the worst-case release quantity is identified as the greatest amount held in a single vessel or pipe, taking into account administrative controls that limit the maximum quantity…
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Worst-case release from smaller process with larger distance to endpoint
The owner or operator of a stationary source covered by the risk management program regulations must conduct a worst-case release scenario analysis as part of the required hazard assessment (40 CFR §68.25). The worst-case release is defined as the release of the largest quantity of a regulated substance from a…
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Change of owner and RMP facility ID number
If a facility is sold to a new owner, does it keep its' original RMP Facility ID number? Yes. The facility will keep the ID number assigned by EPA.
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Facility ID number and re-registering a facility
If a facility deregisters, then reregisters, should the facility use the original RMP Facility ID or will it be assigned a new ID? The facility should use the original ID assigned by EPA.
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Resubmission of RMP for a facility that previously deregistered
A covered facility deregisters its RMP because it no longer has more than a threshold quantity of a regulated substance in a covered process. If the facility becomes subject to the CAA §112(r) risk management program regulations at a later date and submits a new RMP, should the facility submit…
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RMP Records Maintained Onsite
Pursuant to 40 CFR Part 68, Subpart G, the owner or operator of a stationary source subject to the risk management program regulations in Part 68 must develop and submit a risk management plan (RMP). Does the owner or operator have to maintain a written copy of the RMP on…
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Can I use any previous three year meteorological data for worst case scenario?
I am trying to complete my worst case release scenario for the Risk Management Plan under §68.25. I understand that I am required to use a wind speed of 1.5 m/s and F atmospheric stability class as specified in §68.22(b), unless I can prove that at no time over the…
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If RFG is shipped from a refinery to a terminal through a proprietary pipeline system, may the pipeline rely on the refinery and terminal test results to satisfy the quality assurance defense element?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . In a case where EPA documents a downstream standard violation at a proprietary terminal that is served only by a proprietary pipeline that receives gasoline only from a proprietary refinery, the company that owns the refinery, pipeline and…
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If, due to piping constraints, a refiner must put a purchased or inter-refinery transferred batch of finished gasoline through the refinery blendstock system, but does so without the batch losing integrity, must the refiner include the batch in his compli
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . No. As per § 80.65(i) of the regulations, any refiner, importer, or oxygenate blender shall exclude from all compliance calculations, the volume and properties of any RFG that is produced at another refinery or oxygenate blending facility, or…
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In areas where an oxy fuels program is in effect, how do these requirements coincide with RFG requirements? In areas where there is an overlap, are any regulatory changes necessary by the state?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . In areas that are covered by both a state's winter oxy fuels and the federal RFG programs, the fuel must comply with both program requirements. Therefore, the more stringent 2.7 wt% minimum requirement of the winter oxy fuels…
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