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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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  • Can I leave my car or other vehicles on my property while I am away?

    The cleaning team will need workspace outside of your home or place of business to set up trailers and equipment. If it is determined that your vehicles need to be moved, you should arrange to temporarily remove them from your property.

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  • What happens to my belongings during the cleaning?

    The items you leave on your property and inside your home or place of business will remain where you left them and will not be removed.

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  • What do I do with my indoor plants during the cleaning?

    You may leave plants on your property and inside your home or place of business. However, the cleaning team will not move any of your belongings, including plants. You may want to consider moving plants outside for the day, if possible, and watering them before you leave.

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  • What happens if any of my items get damaged during the cleaning process?

    If any items get damaged, an independent appraiser will estimate the value of the item by using the videos and photos of your belongings to determine a fair value for the item that needs to be replaced. The assessment will then be presented to you for your approval. If you…

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  • What should I do with food items?

    Any food in your kitchen cabinets and refrigerator/freezer that you will not need while you are away can be left in place. This includes items such as spices, canned, boxed, and bagged foods, and refrigerated/frozen foods. Before you leave your home or office, please be sure to empty all garbage…

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  • How do I know that my belongings will be safe during the cleaning?

    Before the team begins cleaning, they will videotape each room and photograph the items you left. The videos and photos provide a record of the items that were present and the conditions of those items at the time the cleaning team entered your structure. An EPA representative will be present…

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  • RMP*Comp and emergency response

    Can I use RMP*Comp for emergency response? No. It's a planning tool. Many other tools are available for response, including ALOHA . You can learn more by reading CAMEO tools for RMP .

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  • Minimum and Maximum Distance to Endpoint

    The Chemical Accident Prevention Provisions require the completion of a worst-case release scenario analysis (40 CFR §68.25). This analysis includes estimating the greatest distance to endpoint as defined by the parameters in §68.22. Is there a required minimum or maximum distance for the distance to endpoint in the worst case…

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  • Products authorized for use on oil discharges

    Does EPA maintain a list of products that are authorized for use on oil discharges? If so, how can a manufacturer have their product included on the list? Section 311(d)(2)(G) of the Clean Water Act (CWA) directs EPA to prepare a schedule of dispersants, other chemicals, and oil spill mitigating…

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  • Local meteorological data for alternative release scenarios

    For alternate release scenarios, RMP*Comp uses set values for meteorological conditions like humidity, wind speed, temperature, stability class, and so on. Is there a way to change those values? I want to use meteorology data from my own location. RMP*Comp indeed uses fixed values for certain atmospheric parameters, and does…

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  • Different results using ALOHA and RMP*Comp

    I tried running the same scenarios in ALOHA and in RMP*Comp. I got different answers. Why? The results you obtain using RMP*Comp may not closely match the results you obtain running the same release scenario in a more sophisticated air dispersion model such as ALOHA or DEGADIS. That's because of…

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