Test Standard

ITEM

Toxicant

Concentration

(mg/L)

Working time

(minute)

Cyanogen Chlorine

3.0

40

Hydrocyanic acid;

Cyanogen Chlorine;

arsenic hydride;

phosgene; BTC;

Chloropicrin; Benzene;

Methyl bromide

Dichloromethane;

Lewisite; Mustard gas;

Phosphine; Toxic smoke and fog.

Cyanogen Chlorine

3.0

55

Cyanogen Chlorine but not include the toxic gas or fog

Benzene

16.2(0.5)

130

Organic gas or vapor;

Benzene; chlorine;

acetone; alcohol; aniline; sulfur dioxide;

carbon tetrachloride;

chloroform; Methyl bromide; Chloromethane;

Nitromethane; chloropicrin

Ammonia

3.6(0.5)

60

Ammonia and Hydrogen sulfide

CO

5.8(0.5)

110

CO

Hydrocyanic acid;

CO

3.4(0.5)

5.8(0.5)

40

80

CO;Organic vapor;

Hydrocyanic acid;

Toxic smoke and fog

Sulfur dioxide

5.5(0.5)

32

Acid gas or vapor; Sulfur dioxide; chlorine;

Hydrogen sulfide; oxide of nitrogen; phosgene;

Phosphorous; organic pesticides contain chlorine

Hydrogen sulfide

7.1(0.5)

120

Hydrogen sulfide