UFC 3-240-13FN
25 May 2005
7.
BIOCIDE, active ingredient 60% poly[oxyethylene(dimethyliminio)ethylene-
(dimethyliminio)ethylene dichloride]
Use: Cooling towers with pH greater than 7.5
Federal Specification: None
Package/NSN: 5-gal can, NSN: 6840-01-190-2551
8.
BIOCIDE, active ingredients 60% consisting of 14 to 15% disodium
cyanodithioimidocarbonate and 20 to 21% potassium n-methyldithiocarbamate
Use: Cooling towers with pH greater than 7.5
Federal Specification: None
Package/NSN: 5-gal can, NSN: 6840-01-198-7945
9.
BIOCIDE, active ingredient 96 to 98%
1-bromo-3-chloro-5,5-dimethylhydantoin, granular
Use: Remote cooling towers with any pH
Federal Specification: None
Package/NSN: 35-lb can, NSN: 6840-01-185-7455
10.
BORAX (see sodium nitrite-borax blend, item 49)
11.
CALCIUM HYDROXIDE (slaked lime) (Ca[OH]2) technical, powder, 90%
minimum by weight
Use: Lime-soda ash water softening
Federal Specification: A-A-55821, Calcium Hydroxide, Technical
Package/NSN: 50-lb bag, NSN: 6810-00-656-1091
12.
CALCIUM HYPOCHLORITE, (Ca[OCl]2) technical, granular, 65% chlorine by
weight
Use: Algae control in cooling towers and disinfectant in treatment for
Legionnaire's Disease
Federal Specification: O-C-114, Calcium Hypochlorite, Technical
Package/NSN:
5-lb can,
NSN: 6810-00-238-8115
100-lb drum,
NSN: 6810-00-255-0472
13.
CAUSTIC SODA (see sodium hydroxide, item 43)
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