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  • What’s the difference between air sampling and air monitoring?

    Air monitoring and air sampling are two different methods of looking at air quality. Air monitoring uses electronic devices to provide real-time readings of contaminants in the air. Air sampling involves trapping air over a period of time in a container that is then sent to a laboratory for analysis…

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  • What is EPA’s role in sampling?

    EPA is part of the Unified Command consisting of different agencies to review, approve and direct Norfolk Southern’s workplans and site activities. Surface water sampling is performed by Norfolk Southern contractors, with EPA and Ohio EPA oversight. Soil sampling is performed both by Norfolk Southern contractors and EPA contractors. Air…

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  • What is the plume map and what does it tell us?

    The plume map is an “event reconstruction” based on known weather and on-site observations during a 10-hour time period after the vent-and-burn operation that occurred on Monday, February 6. It tells us where soot likely fell to the ground and where the highest concentrations of particles may be. This information…

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  • How do I Obtain the Populations for Each of the MOVES Source Types?

    See More Frequent Questions about MOVES and Related Models . To output vehicle populations, when setting up your RunSpec select the "Inventory" calculation type from the Scale panel and the "Population" activity option from the General Output panel of the MOVES GUI. The movesactivityoutput table in your MOVES output database…

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  • How are Counties Mapped to Fuel Regions in MOVES? How Can I Substitute Alternate Fuel Formulations?

    See More Frequent Questions about MOVES and Related Models . The RegionCounty table in the MOVES default database maps each county to a MOVES fuel region (defined by regionCodeID). If you are conducting a County or Project Scale Run, you do not need to modify this table to use alternate…

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  • What is split sampling?

    Split sampling is a technique where multiple samples are collected from the same location at the same time and then sent to separate laboratories for analysis. Checking to see if the labs get the same or similar results is a way to determine the accuracy of the data. If there…

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  • What work happens after contamination under and between the train tracks is removed?

    After track work is complete, additional cleanup and assessments will continue. This includes shipping solid and liquid wastes off-site, excavating in areas where rail cars were staged and scrapped, and sampling and monitoring groundwater, soil, surface water, and sediment.

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  • Columbiana County Health District has sampled my private well, will it be sampled again?

    Residents will be contacted if they are within the priority zones and have signed up for private well sampling. Within 60 days after the first sample, private wells are resampled, and residents will be contacted to schedule resampling. Residents within one of the four priority zones can also schedule a…

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  • How does the Fuel Wizard Determine which Fuel Formulations to Modify?

    See More Frequent Questions about MOVES and Related Models . The Fuel Wizard only works on fuel formulations that are in your county database (CDB) and it "edits" them to comply with the alterations you provide. If you wish to create a set of alternate fuels, you will need to…

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  • Where Does EPA Obtain Default Vehicle Miles Traveled (VMT)?

    See More Frequent Questions about MOVES and Related Models . MOVES gets default national vehicle miles traveled (VMT) values from the Highway Performance Monitoring System (HPMS) of the Federal Highway Administration, which collects VMT information from every state. Although this is a good source of consistent total VMT information, the…

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  • How Do I Create my Own I/M Program Input Table Using the "Create Template" Option?

    See More Frequent Questions about MOVES and Related Models . If you already have an I/M program in your area, you should always begin by exporting the default I/M program in MOVES, reviewing it, making any changes to the default program, and re-importing it, rather than trying to fill a…

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  • Where Can I Find Default HPMSBaseYearVMT Values for a Specific County?

    See More Frequent Questions about MOVES and Related Models . MOVES does calculate default values for VMT for each calendar year for each county. Since these values are calculated, they are not found in any table in the default database. If you wish to obtain the default estimates, you will…

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  • Why Does the "hourvmtfraction" Table in the MOVES Default Database Include Fractions for roadTypeID 1 (off-network)?

    See More Frequent Questions about MOVES and Related Models . The original concept for MOVES assumed that there would be some vehicle miles traveled (VMT) not accounted for in the other four road types. This remaining VMT would be accounted for in roadTypeID=1. As the model developed, it was decided…

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  • Can Programs Other Than Microsoft Excel be Used to Edit Input Database Files?

    See More Frequent Questions about MOVES and Related Models . Yes. In addition to MS Excel files, in the County Data Manager/Project Data Manager, MOVES can read in other file types using ASCII text and comma separated variables.

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  • What are the Units of Road Grade in the Links Table?

    See More Frequent Questions about MOVES and Related Models . The field road grade in the Links table should be entered as a percentage rather than a decimal fraction. In other words, a road grade of 4% should be entered in MOVES as 4, rather than 0.04.

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