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East Palestine, Ohio Train Derailment
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Is the air monitoring equipment detecting chemicals of concern?
Yes, the air monitoring and sampling equipment are capable of detecting many chemicals of concern in the community and currently detections are below levels of concern. Some of the monitoring equipment may not detect a portion of the chemicals at lower levels–specifically n-butyl acrylate. However, there are independent tools used…
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How can I get help interpreting well sampling results?
Residents requesting Columbiana County water well sample results or assistance interpreting results taken by AECOM or Stantec laboratories can email ( nstaggartroad@stantec.com ). Additionally, a toxicologist is available to answer questions at 800-222-1222. Columbiana County residents near East Palestine with drinking water wells can request sampling by calling 330-849-3919. Pennsylvania…
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Is anybody sampling State Line Lake and the pond near the derailment site?
Norfolk Southern collects daily samples from the surface water near the derailment site, north of the tracks. State Line Lake flows through a wetland area and into the surface water area where the samples are taken. The agencies are reviewing all surface water results and Norfolk’s proposed plan for characterizing…
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What is the status of the sampling data from Leslie Run and Sulphur Run?
Sediment sampling in Leslie and Sulphur Run is complete. The data generated by this work are being evaluated and compared to human health and ecological risk threshold criteria. That will lead to a determination about whether additional actions will be required and what those actions should be.
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Are the NO Values in the MOVES Output Files Actually NO (Molecular Weight 30), or is the NO Expressed as NO2 (Molecular Weight 46)?
See More Frequent Questions about MOVES and Related Models . The NO values in all versions of MOVES2014 (and MOVES2010b) output files are expressed as NO2 (molecular weight 46). HONO and NOx are also expressed in terms of NO2.
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How is the sediment sampling in Leslie and Sulphur Run different than the eco-assessment?
The main purpose of sediment sampling is to understand the extent of sediment contamination in Sulphur and Leslie Run. The eco-assessment, however, focuses on the potential uptake of contaminants in fish and other organisms.
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What is the Difference Between Extended Idling and Normal Idling? Is it Possible to get Distinct Idling Emission Output for any Vehicle Type? Can this be Done in the Emission Rate Mode, or only Inventory Mode?
See More Frequent Questions about MOVES and Related Models . Extended idling is a distinct emission process defined as the overnight idling of long-haul trucks with sleeper cabs at truck stops and other locations during federally required downtime. During such idling periods, these engines experience unusual loads (televisions, air conditioning…
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How does MOVES Classify Light-Duty Trucks?
See More Frequent Questions about MOVES and Related Models . There are two definitions used in MOVES for light duty trucks. The source use type light duty trucks (sourceTypeID values of 31 or 32) use the Federal Highway Administration (FHWA) VM-1 definition of light duty vehicles used to report vehicle…
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What is the Relationship Between Calendar Year, Model Year, and Age?
See More Frequent Questions about MOVES and Related Models . Model year (modelYearID) corresponds to the year that a group of vehicles in the fleet was produced. Calendar year (yearID) is the analysis year as selected in the ‘Time Spans/Year’ panel of the MOVES GUI. For a given calendar year…
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What are preliminary data and how are they different from validated results?
Preliminary data are the initial results received from samples sent to the laboratory. The general findings from this data may be used before validation if there is an immediate health or environmental threat. Data validation is the formal process by which experienced chemists assess the quality of the preliminary data…
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What is Vehicle Specific Power (VSP)?
See More Frequent Questions about MOVES and Related Models . It is an estimate of the power demand on the engine during driving. It is calculated using the second-by-second speed values in a driving schedule, along with information about the type of vehicle being operated. The VSP is used by…
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