Each dry powder chemical system shall contain the following minimum amounts of multipurpose dry powder:
| Belt
 | Dry powder, pounds
 | 
|---|
| Fire resistant | 125
 | 
| Non-fire resistant | 250 | 
 
 
source: 35 FR 17890, Nov. 20, 1970, unless otherwise noted.
cite as: 30 CFR 75.1101-18