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Volume 4: Investigative approach for petroleum VIAP

2. Addressing acute vapor risks

Unacceptable risks for VIAP may pose both immediate threats to safety (e.g., fire or explosion potential from petroleum vapors or methane) and possible short-term adverse health effects (acute) from inhalation of toxic chemicals. The potential for these to occur should be evaluated throughout the investigative process for structures within the LIZ. Additional Information is provided in Attachment A on the acute vapor risks associated with petroleum.

NOTE: If strong petroleum odors are detected or combustible, explosive, or O2-deficient conditions are found to exist inside a building, then first responders should be contacted immediately.
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