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  • How do I Create Scripts to run MOVES3 from the Command Line?

    See More Frequent Questions about MOVES and Related Models . While the easiest way to interact with MOVES3 is via its graphical user interface (GUI), it is sometimes useful to process MOVES RunSpecs in batches via the Windows command line. To this end, MOVES3 has a set of commands that…

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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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  • 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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  • How often does a facility need to complete an oil spill response training under the FRP requirements?

    Facilities subject to the Facility Response Plan (FRP) regulations in 40 CFR Part 112, Subpart D are required to develop a facility response training program to train those personnel involved in oil spill response activities (§112.21(b)). How often does a facility need to complete an oil spill response training under…

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  • What is a significant and substantial harm facility?

    Some substantial harm facilities may meet the criteria for a significant and substantial harm facility. After you have prepared and submitted your FRP, the RA may determine that your facility has the potential, not just for substantial harm, but for significant and substantial harm. If the RA makes that determination…

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  • Is There Any Documentation Available for Installing MOVES on Linux?

    See More Frequent Questions about MOVES and Related Models . MOVES is designed for the Windows operating system and the EPA MOVES Team only tests and supports MOVES in Windows environments. However, users have reported successfully installing and running MOVES in Linux. The instructions for Running MOVES from the Windows…

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  • Can I Install MOVES on a Server so More than One User Can Access It?

    See More Frequent Questions about MOVES and Related Models . No, MOVES is not a multi-user product. MOVES is primarily intended for use on a Windows10 64-bit personal computer. In addition, we have run MOVES2014a, MOVES2014b and MOVES3 on Windows Server 2012 R2 very successfully for years as a single…

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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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  • How many worst-case release scenarios must be analyzed and documented in the RMP?

    As a part of the hazard assessment requirements in 40 CFR Part 68, Subpart B, I must analyze worst-case release scenarios and document certain analyses in my risk management plan (RMP). How many worst-case release scenarios must be analyzed, and how many analyses must be specifically documented in the RMP…

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  • Identifying public receptors and property with restricted access

    Does public receptor cover only buildings on a property or the entire property? If the owner of the land next to my site restricts access to the land, is it still a public receptor? Public receptors are not limited to buildings. For example, if there are houses near your property…

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