ANSI PH2.22

Method of determining safety times of photographic darkroom illumination

Org/Number ID	ANSI PH2.22
Alternate Organization ID / number
Version(s)	1971; 1978
Bin #	0534
Comments	not active
Status	Present
Record last updated	June 25, 2022, 3:18 pm

This is not the most recent edition of this standard.

Newer edition note: 1988