Gas
or Vapour to be Measured Chemical Formula |
Gastec
Tube No. & Name |
Measuring Range (ppm) |
No.of Pump Strokes |
Shelf Life (year) |
Note | TLV- TWA,C (ACGIH) (ppm) |
||
1,1,2,2-Tetrabromoethane Br2CHCHBr2 |
135L | Methyl chloroform | 0.92-9.2 | 4 | 2 | +T | - | |
Tetrachlorodifluoroethane (R112) CCl2FCl2F |
51H | Fluorochlorocarbons (Pyrotec tube) |
1000-3000 | 1/2 | 3 | + | 500 | |
125-1000 | 1 | |||||||
51 | Fluorochlorocarbons (Pyrotec tube) |
7-280 | 1 | 3 | + | |||
51L | Fluorochlorocarbons (Pyrotec tube) |
20-54 | 1 | 3 | + | |||
1-20 | 2 | |||||||
1,1,2,2-Tetrachloroethane Cl2CHCHCl2 |
131L | Vinyl chloride | 2-30 | 4 | 2* | +T | 1 | |
Tetrachloroethylene Cl2C:CCl2 |
133HA | Tetrachloroethylene | 300-900 | 1/2 | 2* | T | 25 | |
20-300 | 1 | |||||||
7-20 | 2 | |||||||
133M | Tetrachloroethylene | 100-250 | 1/2 | 2* | T | |||
5-100 | 1 | |||||||
2-5 | 2 | |||||||
133L | Tetrachloroethylene | 25-70 | 1/2 | 2* | T | |||
2-25 | 1 | |||||||
1-2 | 2 | |||||||
133LL | Tetrachloroethylene | 3-9 | 1/2 | 2* | T | |||
0.2-3 | 1 | |||||||
0.1-0.2 | 2 | |||||||
132HH | Trichloroethylene | 0.075-1.5% | 1 | 3 | T | |||
Tetrachloromethane | See Carbon tetrachloride | |||||||
Tetrahydrofuran C4H8O |
159 | Tetrahydrofuran | 50-800 | 1 | 3 | T | 50 | |
20-50 | 2 | |||||||
159L | Tetrahydrofuran | 80-232 | 1/2 | 1* | T | |||
5-80 | 1 | |||||||
161 | Ethyl ether | 0.056-1.4% | 1 | 3 | T | |||
Tetrahydrothiophene C4H8S |
76H | Tetrahydrothiophene | 10-200 | 1 | 2 | +T | - | |
76 | Tetrahydrothiophene | 1-10 | 4 | 2 | +T | |||
76M | Tetrahydrothiophene | 10-100 mg/m3 |
2 | 2 | +T | |||
Tetramethylenediamine H2N(CH2)4NH2 |
180 | Amines | 8.5-170 | 1 | 3 | T | - | |
180L | Amines | 0.8-16 | 1 | 2 | +T | |||
Thionyle chloride SOCl2 |
5La | Sulphur dioxide | 1.44-21.6 | 2 | 3 | T | C1 | |
Toluene C6H5CH3 |
122 | Toluene | 300-690 | 1/2 | 3 | - | 50 | |
10-300 | 1 | |||||||
5-10 | 2 | |||||||
122L | Toluene | 50-100 | 1 | 3 | - | |||
2-50 | 2 | |||||||
1-2 | 4 | |||||||
161 | Ethyl ether | 0.02-0.8% | 1 | 3 | T | |||
Toluol | See Toluene | |||||||
o-Toluidine C6H4(CH3)(NH2) |
181 | Aniline | 5-60 | 2 | 3 | - | 2 | |
Trichloroacetic
acid CCl3COOH |
15L | Nitric acid | 1-37.5 | 1 | 3 | H | 1 | |
1,2,4-Trichlorobenzene C6H3Cl3 |
131La | Vinyl chloride | 0.65-13 | 4 | 2* | + | C 5 | |
1,1,1-Trichloroethane (Methyl chloroform) CH3CCl3 |
135 | 1,1,1-Trichloroethane (Methyl chloroform) |
500-2000 | 1/2 | 3 | +T | 350 | |
100-500 | 1 | |||||||
135L | 1,1,1-Trichloroethane (Methyl chloroform) |
200-900 | 1/2 | 2 | +T | |||
20-200 | 1 | |||||||
6-20 | 2 | |||||||
171 | Acetylene | 0.06-1.2% | 1 | 3 | T | |||
1,1,2-Trichloroethane Cl2CHCH2Cl |
135 | Methyl chloroform | 220-750 | 2 | 3 | +T | 10 | |
Trichloroethylene Cl2C:CHCl |
132HH | Trichloroethylene | 1-2.5% | 1/2 | 3 | T | 50 | |
0.05-1% | 1 | |||||||
132HA | Trichloroethylene | 500-1300 | 1/2 | 2* | T | |||
50-500 | 1 | |||||||
20-50 | 2 | |||||||
132M | Trichloroethylene | 100-250 | 1/2 | 2* | T | |||
5-100 | 1 | |||||||
2-5 | 2 | |||||||
132L | Trichloroethylene | 25-70 | 1/2 | 2* | T | |||
2-25 | 1 | |||||||
1-2 | 2 | |||||||
132LL | Trichloroethylene | 4-8.8 | 1/2 | 2* | T | |||
0.25-4 | 1 | |||||||
0.125-0.25 | 2 | |||||||
Trichlorofluoromethane (R11) CCl3F |
51H | Fluorochlorocarbons (Pyrotec tube) |
2200-6600 | 1 | 3 | + | C 100 | |
275-2200 | 2 | |||||||
51 | Fluorochlorocarbons (Pyrotec tube) |
8-320 | 1 | 3 | + | |||
51L | Fluorochlorocarbons (Pyrotec tube) |
16-43 | 1 | 3 | + | |||
0.8-16 | 2 | |||||||
Trichloromethane | See Chloroform | |||||||
Trichloronitromethane | See Chloropicrin | |||||||
1,2,3-Trichloropropane CH2ClCHClCH2Cl |
135L | Methyl chloroform | 36-360 | 2 | 2 | +T | 10 | |
1,1,2-Trichloro -1,2,2-trifluoroethane (R113) CClF2CCl2F |
51H | Fluorochlorocarbons (Pyrotec tube) |
2000-6000 | 1/2 | 3 | + | 1000 | |
250-2000 | 1 | |||||||
51 | Fluorochlorocarbons (Pyrotec tube) |
10-400 | 1 | 3 | + | |||
51L | Fluorochlorocarbons (Pyrotec tube) |
20-54 | 1 | 3 | + | |||
1-20 | 2 | |||||||
Trichlorotrifluoroethane (R113a) CCl3CF3 |
51H | Fluorochlorocarbons (Pyrotec tube) |
1600-4800 | 1/2 | 3 | + | 1000 | |
200-1600 | 1 | |||||||
51 | Fluorochlorocarbons (Pyrotec tube) |
10-400 | 1 | 3 | + | |||
51L | Fluorochlorocarbons (Pyrotec tube) |
16-43 | 1 | 3 | + | |||
0.8-16 | 2 | |||||||
Triethylamine (C2H5)3N |
180 | Amines | 4.5-90 | 1 | 3 | T | 1 | |
180L | Amines | 0.3-6 | 1 | 2 | T | |||
Trimethylamine (CH3)3N |
3M | Ammonia | 25-250 | 1 | 3 | 5 | ||
180 | Amines | 3.5-70 | 1 | 3 | T | |||
180L | Amines | 0.25-5 | 1 | 2 | T | |||
Trimethyl benzene C6H3(CH3)3 |
123 | Xylene | 10-300 | 2 | 3 | - | 25 |
T:Temp Correction | H:Humidity Correction | *:Refrigerator Store | Mesh:Correction Factor/Chart |