Guidebook for Conducting Local Hazardous Materials Commodity Flow Studies (2011) / Chapter Skim
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Pages 30-42
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Existing data include the following: • Locally or institutionally available data sources – Prior HMCFS that have been conducted by the LEPC; – HMCFS that have been conducted by other adjacent LEPCs or those that share common transport corridors; – Information maintained by local, state, or federal agencies; – Information maintained by local hazmat facilities and carriers; – Trade, environmental, and social advocacy organizations; and – Printed maps and academic journals. • Electronic databases and reports that have information about – Transportation networks; – Commodity movements; – System performance (traffic)
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Information from a CFS that did not focus on hazmat transport, such as a general commodity flow or traffic study for a community or region, also can be useful for identifying hazmat risks or areas of particular interest or concern. Figure 4-1.
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Existing data sources from federal agencies that were identified as particularly relevant to a local HMCFS are also discussed in Section 4.3. Local and State Agency Data Considerations • State transportation agencies conduct traffic counts, including truck counts that are used to provide information for federal transportation databases.
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Outreach Effort. LEPCs can request hazmat transport information from Class I rail carriers using AAR's standardized form (see Appendix F)
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Some information provided to LEPCs (e.g., railroad hazmat transportation data) must be labeled as sensitive security information (SSI)
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com/CrudeOilandNaturalGasAssociations.html. Airline associations may be able to provide information about hazmat transport by air or air cargo carrier contact information.
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, a pipeline safety advocacy organization that maintains information about pipeline operations safety and databases of hazardous liquids and natural gas pipeline incidents; • Sierra Club (http://www.sierraclub.org) ; • National Resources Defense Council (http://www.nrdc.org)
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P L H L Gas or liquid pipeline map display by state, county, or zip code PHMSA Significant Incident Data Access Web Page P L H L Raw data and summary reports available for pipeline incidents USACE Hazardous Commodity Code CrossReference File W All H H Useful for evaluation of USACE waterway data for corresponding UN/NA placard ID Table 4-1. HMCFS electronic database and mapping sources.
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L H L H Topography and land-cover data USDA Web Soil Survey O (soil, topography) L H L Soil type, topographic, and ecological data NOAA National Climatic Data Center O (climate)
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M L Hazm at section only to national & state levels BTS Freight Data and Statistics (updated annually) H,R,W,P,A S M L Reports compiled from individual data sources (e.g., CFS)
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Census Bureau; – Freight data and statistics from U.S.DOT, BTS, Research and Innovative Technology Administration; – Accident reports from NTSB; – Crash statistics from U.S.DOT, FMCSA; – Waterborne Commerce of the United States reports from USACE, IWR, Navigation Data Center; – Lock Performance Monitoring System reports from USACE, IWR, Navigation Data Center; – Waterborne Transportation Lines of the United States, Vol. 2: Vessel Company Summary from USACE, IWR, Navigation Data Center; and – Pipeline Incidents and Mileage Reports Web page from U.S.DOT, PHMSA, Office of Pipeline Safety.
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For example, if a particular road or intersection is known to have a high rate of truck incidents, and the road has hazmat traffic, it may also have a high risk for hazmat incidents, even if a hazmat incident has not historically occurred there. Hence, high accident rates for trucks along a particular route may provide good reasons to limit hazardous materials along those routes.
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This can be done because the HMCFS objectives have been defined along with associated data requirements (Promising Practices 1, 2, and 3 in Appendix D)
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