Section 3 CHEMICAL DECONTAMINANTS: PREPARATION AND USE

TM 9-1300-275/2

SECTION 3

CHEMICAL DECONTAMINANTS: PREPARATION AND USE

3-1 GENERAL.

3-2.4.2 This slurry is used to decontaminate G-series,

This section covers the chemical decontaminants with

V-series, and blister agents by leaving it on the

which technical escort personnel would normally be

contaminated surface for a 30-minute period and then

involved. Included are those used alone as stored and

washing it off with water, and testing for any remaining

those that must, before use, be mixed with water.

contamination.

A .dry mix may be placed under

equipment to decontaminate any agents flushed from

3-2 STB (Supertropical Bleach) SLURRY.

the equipment. (Handle dry STB carefully; it burns on

3-2.1 Composition.

contact with blister agents and DS-2 and gives off toxic

STB consists of commercial bleach with about 6 percent

vapors from G-agents).

of calcium oxide added.

3-3 DS-2 (DECONTAMINATING SOLUTION No. 2).

3-2.2 Packaging and Storage.

3-3.1 Composition.

3-2.2.1 STB is usually shipped in tightly-closed, 8-

DS-2 is a general-purpose decontaminant consisting of

gallon (50 pound) metal containers.

a 70-percent active agent, 28-percent solvent, and a 2-

3-2.2.2 It is fairly stable but decomposes when heated;

percent active-agent booster.

it loses about 1-percent of its 30- to 35-percent available

chlorine content each month. Therefore, it should be

3-3.2 Packaging and Storage.

stored in a cool dry place and discarded after expiration

3-3.2.1 DS-2 is available in 1 1/3-quart cans for filling

time. This chemical can explode when heated above

the M11 portable decontaminating apparatus. It is

300 .

packed in 5-gallon drums for application with brooms,

2-2.2.3 When placed in damp areas, it will corrode

swabs, or brushes.

metal and destroy most fabrics.

3-3.2.2 This solution is stable in storage, if protected

from temperature extremes.

3-2.3 Safety Precautions.

3-3.2.3 DS-2 is flammable and should not be used with

3-2.3.1 Detection. STB is a white powder with a

STB or HTH-HTB.

chlorine odor.

3-3.2.4

It will discolor, soften, or blister painted

3-2.3.2 Protection. No special protection is required,

surfaces, and corrode tin, zinc, and aluminum on

except when STB is in dust form in the air. In such

prolonged contact.

instance, wear a mask and impermeable apron, gloves,

and boots.

3-3.3 Safety Precautions.

3-2.3.3 Decontamination. Flush with large amounts of

3-3.3.1 Detection. DS-2 is a light-amber liquid with a

water and wash with soap containing lanolin.

slightly sweet odor.

3-2.3.4 First-Aid. STB dust is irritating to skin, eyes,

3-3.3.2

Protection.

Wear rubber gloves and a

and throat. It should be flushed out or off immediately,

protective mask when handling this solution. Do not

using plenty of plain water.

allow DS-2 to contact the voicemitter-outlet valve in the

M17 protective mask. DS-2 will destroy the mylar in this

3-2.4 Preparation and Use.

valve immediately upon contact. DS-2 will cause a fire

upon contact with dry HTH-HTB or STB.

3-2.4.1 Slurry for applications prescribed in this manual

3-3.3.3 Decontamination. Flush with large amounts of

is prepared by mixing one can (50 pounds) of STB with

water. Excess DS-2 may be disposed of by burning.

6 gallons of water. A "dry mix" can be prepared by

3-3.3.4 First-Aid. DS-2 will irritate the skin and eyes.

mixing 2 shovelsfull of STB with 3 shovelsfull of earth or

Treatment is the same as for any chemical burn. It can

similar material.

be removed readily from the skin, without harmful

effects, by washing immediately with water.