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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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  • Will there be an increase in turbidity (cloudiness or muddiness) or silt in the streams?

    The increased flow from this work is expected to be minimal and should not impact turbidity or silt.

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  • Will returning the natural flow of water to Sulphur Run disturb areas with sheen?

    Conditions in the streams are much improved because of previous cleanup work conducted in 2023. Although oily sheens remain, they are settled in the sediment and do not impact surface water unless disturbed. The increased water flow to Sulphur Run will be minimal and is not expected to disturb sheen…

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  • Can I get the Lead-Safe Certified Firm Logo file in different resolution or in black and white?

    Answer: Yes, please submit your request through our contact us page . Question Number: 23002-14639 Find a printable PDF copy of all frequent questions pertaining to lead .

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  • How and where can I use the Lead-Safe Certified Firm Logo?

    Answer: The Lead-Safe Certified Firm Logo must be reproduced so that all of its components are legible, including your firm's certification number. The Logo must not be altered or distorted in any way. You MAY -- Use the Logo to identify your firm as an RRP-certified firm. Firms that are…

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  • How do I get my lead-safe certified firm logo?

    Answer: Your customized firm logo will be emailed to you in your certification approval package. Approval packages are emailed from [email protected]. To help ensure receipt of email correspondence, we recommend you add the [email protected] email address to your contacts to ensure it arrives in your inbox rather than a SPAM…

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  • I can't open the Lead-Safe Certified Firm Logo file I have been sent. What format is it in?

    Answer : The Logo is in a standard .jpg file. It is approximately 900KB to ensure clarity. If this size is too large, or a different format is needed, please submit your request using our Contact Us page . Question Number: 23002-18056 Find a printable PDF copy of all frequent…

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  • What is the status of the cleanup at the site?

    In October 2023, it was announced that the excavation work, which removed the known areas of contaminated soil at the derailment site, was complete. The soil double-check work has been ongoing for months and is expected to continue into the fall. The timeline of our expected completion plans for final…

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  • When can we access the streams again?

    The upcoming cleanup efforts will focus on oil-based compounds which, based on recent sampling, are the only derailment-related contaminants remaining in the creeks. Please obey all posted signage and continue to avoid access in Sulphur and Leslie Runs until further notice.

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  • What has changed?

    For the past several months as the collected wastewater has gone through the system, sample results have shown that the wastewater meets the standards set for vinyl chloride and other derailment-caused contaminants without treatment, meaning it can be disposed of as non-hazardous waste. Testing of the collected wastewater will continue…

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  • Why collect the rainwater and snowmelt around the derailment site?

    Until excavation work and confirmatory sampling are completed, any wastewater collected from the derailment site is considered a “listed hazardous waste” because it may have come into contact with vinyl chloride or other hazardous contaminants from the derailment. Even though the soil contamination has been removed, our double-check work is…

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  • Are trainers authorized to use the EPA Lead-Safe Certified Logo?

    Answer: Accredited training providers may use the logo on their site and marketing materials as long as it is used as a tool to guide renovators through the firm certification process (i.e., explain the difference between firm certification and individual training). Training providers may inform students that only certified firms…

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  • What is the status of the cleanup work in the streams?

    There is still more work to be done in Leslie and Sulphur Runs. EPA and Ohio EPA are reviewing the Norfolk Southern sediment mitigation workplan. More cleaning will likely start before April and is expected to continue through July.

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