CHM 605 -  10/4/12

Exercise:

Z-1 Table (reformated from "Navy table")

 

Substance

 

CAS No. (f)

OSHA Permissible Exposure Limits

TWA

STEL

CEILING

Skin
desig

ppm
(a)

mg/m3
(b)

ppm
(a)

mg/m3
(b)

ppm
(a)

mg/m3
(b)

 

TWA = 8h time-weighted average PEL.

STEL = Short term (15 min) exposure limit .

CEILING = never higher than this not for an instant.

Skin designation = warning that cutaneous absorption is a risk.

 

 

MSDSs are here just in case you are interested in using them for comparison