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CHAPTER 3 Collect and Review Baseline Information and Scope Project After the HMCFS project team defines the data requirements, it identifies baseline informa- tion about hazmat transportation in the area, reviews and evaluates the information, and scopes the HMCFS project. A flow chart of the HMCFS process focusing on baseline information and HMCFS project scoping is shown in Figure 3-1. 3.1 Collect Baseline Information Collecting baseline information is the next step after HMCFS data requirements are defined. Baseline information includes what is immediately and locally known about the following: How hazmat is transported in the study area, Where hazmat is transported in the study area, and The characteristics of hazmat transported in the study area. This includes the following, as available: Previous emergency response or planning efforts such as a prior HMCFS that have been con- ducted to identify hazmat, industrial, or other commercial transportation activities in the area; Modes and routes by which hazmat is transported in the area; Locations of facilities that produce, store, use, or transport hazardous materials; population centers and future developments; and critical infrastructures; and Information about transportation incidents and accidents in the area. It is important to note that the baseline information is focused on current "in-house" knowl- edge. It is a review for the local jurisdiction to assess its current state of knowledge about hazmat transport and identify associated information gaps. 3.1.1 Previous Emergency Response or Planning Documents Identifying previous, locally available documents about an area's transportation patterns, haz- mat emergency response needs and guidelines, and similar types of information may be useful for an HMCFS, both as information sources and document templates. Identifying these docu- ments should be a first step in identifying baseline knowledge for an HMCFS. A prior HMCFS, if available, can be an especially important baseline data source. 3.1.2 Modes and Routes Modes by which hazardous materials are transported include roadway, railway, pipelines, waterways, and airways. 24

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Collect and Review Baseline Information and Scope Project 25 Figure 3-1. The HMCFS baseline information and project scoping process. 3.1.3 Facility, Population, and Critical Infrastructure Locations Fixed facilities that produce, store, or use hazardous materials can be identified by local in- dustry partners and from reported information about storage of hazardous substances (such as Tier II reports). Hazardous materials may be transported by different modes to these facilities. Population centers, critical infrastructure, and future developments may be affected by, or alter patterns of, hazmat transport associated with such facilities. 3.1.4 Incident and Accident Information Emergency managers and responders are likely to have experiential knowledge of previous in- cidents and accidents on hazmat transport routes. Even if accidents have not previously involved