Table of Initial Isolation and Protective Action Distances

Table of Initial Isolation and Protective Action Distances (TIH)

SMALL SPILLS
(From a small package or small leak from a large package)

LARGE SPILLS
(From a large package or from many small packages)

First ISOLATE in all Directions

Then PROTECT persons Downwind during-

First ISOLATE in all Directions

Then PROTECT persons Downwind during-

ID No.

NAME OF MATERIAL

DAY

NIGHT

DAY

NIGHT

(ft)

(mi)

(ft)

(mi)

2810

Sarin (when used as a weapon)

155

(500)

1.6

(1.0)

3.4

(2.1)

915

(3000)

11.0+

(7.0+)

11.0+

(7.0+)

Last updated: 2003-01-15