Heptachlor

CAS RN: 76-44-8

Protective Distance

IF THERE IS A FIRE, or IF A FIRE IS INVOLVED, go directly to the ERG guide page and use the evacuation information shown under PUBLIC SAFETY.

Initial Isolation and Protective Action Distances
ID MATERIAL Small Spills
(From a small package or small leak from a large package)
Large Spills
(From a large package or many small packages)
First ISOLATE in all Directions Then PROTECT Downwind First ISOLATE in all Directions Then PROTECT Downwind
Day Night Day Night
-- Soman (when used as a weapon)
GD (when used as a weapon)
200 ft 0.3 mi 0.5 mi 1,000 ft 1.1 mi 1.7 mi

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