APPENDIX Regardless of the nature of


the pipeline incident, follow- ing standardized procedures or guidelines will bring con- sistency to the response op- eration and will help minimize the risk of expo- sure for all responders. This response guidance should provide a basis for your or- ganization to develop its own emergency response guidelines regarding how your community will handle such an incident.


assess the situation


In order to protect yourself and other responders from any hazards associated with a pipeline incident, it is critical that you approach cautiously from an upwind and/or crosswind location.


Do not approach the scene with vehicles or mechanized equipment until


the isolation zones have been established because vehicle engines are a po- tential ignition source.


FIGURE A.20 The DOT Emergency Response Guide- book (ERG) is a good source of information on haz- ardous materials such as natural gas.


FIGURE A.21 Never park near or over storm drains and manhole covers. • Do not park over manholes or storm drains


• Do not walk or drive into a vapor cloud or puddle of liquid.


Without entering the immediate hazard


area, responders should secure the scene, isolate the area, and deny entry to unau- thorized persons including other respon- ders. It may also be necessary to evacuate everyone to a safe location upwind of the incident area.


88


FIGURE A.22 Do not drive through vapor clouds.

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