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  • Redoing calculations if RMP*Comp is updated

    Will RMP*Comp be updated? If so, would I have to redo calculations I might already have made with an earlier version? No, you do not have to redo your work if you have already completed your consequence analyses. RMP*Comp is based on the EPA's Offsite Consequence Analysis Guidance (OCA Guidance)…

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  • Different distances to toxic endpoints with different versions of RMP*Comp

    I've noticed that for certain chemicals, RMP*Comp gives substantially different distances to the toxic endpoint than previous versions. Why? In the current version of RMP*Comp, we have incorporated new chemical-specific distance tables for ammonia, chlorine, and sulfur dioxide. The generic tables are still used for other chemicals (you can see…

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  • Distance to endpoint calculations used by RMP*Comp

    Does RMP*Comp perform some math or modelling in order to arrive at an endpoint distance, or is it simply interpolating from the tables in the EPA's Offsite Consequence Analysis Guidance (OCA Guidance)? RMP*Comp follows the procedures set out in the OCA Guidance . This means that for some scenarios, the…

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  • Where can I find the East Palestine City Park soil sampling results?

    You can find East Palestine City Park soil sampling results at: East Palestine City Park soil sampling results

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  • How do I register renewable gasoline?

    See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . Manufacturers/importers of renewable gasoline for on-road use are required to register the fuel with the EPA. To register, see: Register or Update a Fuel or Fuel Additive Request under 40 CFR Part 79 . Please indicate “renewable gasoline”…

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  • Where can I find the public list of registered fuels and fuel additives?

    See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . An online list of fuels and fuel additives registered with EPA is located here: Register or Update a Fuel or Fuel Additive Request under 40 CFR Part 79 .

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  • How do I register renewable diesel?

    See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . Manufacturers/importers of renewable diesel for on-road use are required to register the fuel with the EPA. To register, see Register or Update a Fuel or Fuel Additive Request under 40 CFR Part 79 . Please indicate “renewable diesel”…

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  • What were the results from the phase 1 of soil sampling?

    Phase 1 of soil sampling is complete, and we have received most of the preliminary data. The vast majority of results are within typical ranges for soil. Samples taken on private properties are all within typical soil levels, and only a few samples taken along public right-of-way (next to roads…

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  • What are the next steps?

    The sampling data will be evaluated to determine if additional sampling or other action is necessary (additional information will be made available soon). Evaluation of results and future sampling plans will guide EPA’s future work and environmental monitoring in the East Palestine area.

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  • How were soil sample locations chosen?

    The study area was determined based on evacuation zones, plume modeling, field observations, and areas most likely to be impacted by the vent and burn. Event Reconstruction Plume Map

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  • When do I get an EPA assigned fuel ID/additive ID?

    See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . You will receive your assigned ID after registering your fuel and/or fuel additive with EPA.

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  • Where can I find soil sampling data and results?

    EPA will release validated (final) and non-validated (preliminary) soil sampling results from East Palestine and surrounding Ohio and Pennsylvania areas as they become available. As soon as the quality of non-validated preliminary data has been fully assessed and documented, EPA will post validated data on the East Palestine, Ohio Train…

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  • Which fuels require registration?

    See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . Under Part 79, manufacturers and importers of gasoline and diesel fuels for use in a motor vehicle or additives for such gasoline or diesel fuel are required to register them with the EPA prior to sale.

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  • We are a marketer of ethanol products. Sometimes personnel at ethanol plants make mistakes as to the number of gallons being loaded or produced. How do we "recall" erroneous RINs if the number of gallons we receive exceeds the number of RINs?

    See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . PTD documents may be corrected to reflect the appropriate volume associated with the volume received. The additional volume with assigned RINs may be addressed with a second PTD. Question and Answer was originally posted at: Questions and Answers…

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  • What do the symbols and words on my water well sampling results mean?

    One common symbol on results is μg/L, which stands for microgram per liter. This indicates the mass of a chemical in one liter of water. Columbiana County Health District has a guide to help understand terms in well sampling results reports. You can find the guide at Columbiana Health Data…

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