Pt. 172, App. C

49 CFR Ch. I (10-1-18 Edition)

APPENDIX C TO PART 172 - DIMENSIONAL SPECIFICATIONS FOR RECOMMENDED
PLACARD HOLDER

APPENDIX D TO PART 172 - RAIL RISK
ANALYSIS FACTORS
A. This appendix sets forth the minimum
criteria that must be considered by rail carriers when performing the safety and security risk analyses required by Section 172.820. The
risk analysis to be performed may be quantitative, qualitative, or a combination of
both. In addition to clearly identifying the
hazardous material(s) and route(s) being analyzed, the analysis must provide a thorough

description
of
the
threats,
identified
vulnerabilities, and mitigation measures implemented
to
address
identified
vulnerabilities.
B. In evaluating the safety and security of
hazardous materials transport, selection of
the route for transportation is critical. For
the purpose of rail transportation route
analysis, as specified in Section 172.820(c) and (d), a
route may include the point where the carrier takes possession of the material and all
track and railroad facilities up to the point

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