GasorVapour tobeMeasured ChemicalFormula |
Gastec
Tube No. & Name |
Measuring Range (ppm) |
No.of Pump Strokes |
Shelf Life (year) |
Note | TLV- TWA,C (ACGIH) (ppm) |
||
Pentachloroethane Cl2CHCCl3 |
133L | Tetrachloroethylene | 20-500 | 1 | 2* | T | - | |
1,3-Pentadiene CH3CH:CHCH:CH2 |
174 | 1,3-Butadiene | 250-4000 | 1 | 3 | T | - | |
174L | 1,3-Butadiene | 42.5-850 | 4 | 3 | - | |||
Pentamethylenediamine H2N(CH2)5NH2 |
180L | Amines | 0.75-15 | 1 | 2 | T | - | |
n-Pentane CH3(CH2)3CH3 |
104 | Butane | 30-1680 | 1 | 3 | - | 600 | |
103 | Hydrocarbons (LowerClass) |
0.9-1.8% | 1/2 | 2 | ++ | |||
0.075-0.9% | 1 | |||||||
0.0375-0.075% | 2 | |||||||
2-Pentenenitrile CH3CH2CH:CHCN |
193 | 2-Pentenenitrile | 6-15 | 2 | 3 | +T | - | |
0.5-6 | 4 | |||||||
191L | Acrylonitrile | 0.24-7.2 | 2 | 3 | - | |||
3-Pentenenitrile CH3CH:CHCH2CN |
191L | Acrylonitrile | 0.4-12 | 2 | 3 | - | - | |
Pentyl acetate | See n-Amyl acetate | |||||||
Perchloroethylene | See Tetrachloroethylene | |||||||
Petroleum distillates | See Gasoline(Petrol) | |||||||
Petroleum ether | 106 | Petroleum naphtha | 14-28 mg/L | 1/2 | 3 | - | - | |
1-14 mg/L | 1 | |||||||
0.5-1 mg/L | 2 | |||||||
Petroleum naphtha | 106 | Petroleum naphtha | 14-28 mg/L | 1/2 | 3 | - | - | |
1-14 mg/L | 1 | |||||||
0.5-1 mg/L | 2 | |||||||
Phenol C6H5OH |
60 | Phenol | 62.5-187 | 1/2 | 2* | T | 5 | |
25-62.5 | 1 | |||||||
1-25 | 2 | |||||||
0.4-1 | 4 | |||||||
Phenylethylene | See Styrene | |||||||
Phosgene COCl2 |
16 | Phosgene | 5-20 | 1 | 1.5* | T | 0.1 | |
0.1-5 | 5 | |||||||
0.05-0.1 | 10 | |||||||
Phosphine PH3 |
7H | Phosphine | 2500-5500 | 1/2 | 2 | T | 0.3 | |
200-2500 | 1 | |||||||
7J | Phosphine | 500-1000 | 1/2 | 3 | - | |||
25-500 | 1 | |||||||
2.5-25 | 2-10 | |||||||
7 | Phosphine | 50-100 | 1 | 3 | - | |||
5-50 | 2 | |||||||
2.5-5 | 4 | |||||||
7L | Phosphine | 0.3-5 | 5 | 3 | - | |||
0.15-0.3 | 10 | |||||||
7LA | Phosphine | 2.5-9.8 | 1 | 2 | T | |||
1.5-2.5 | 3 | |||||||
0.1-1.5 | 5 | |||||||
0.05-0.1 | 10 | |||||||
α-Pinene C10H16 |
121 | Benzene | 95-1140 | 3 | 3 | - | - | |
Propane CH3CH2CH3 |
103 | Hydrocarbons (LowerClass) |
1.2-2.4% | 1/2 | 2 | ++ | 1000 | |
0.1-1.2% | 1 | |||||||
0.05-0.1% | 2 | |||||||
Propionaldehyde CH3CH2CHO |
91L | Formaldehyde | 0.76-38 | 1 | 3* | T | - | |
151L | Acetone | 24-1880 | 2 | 2* | T | |||
Propionic
acid CH3CH2COOH |
81 | Acetic acid | 3-75 | 1 | 3 | H | 10 | |
81L | Acetic acid | 0.25-10 | 1 | 2* | T | |||
Propionitrile CH3CH2CN |
191 | Acrylonitrile | 50-1200 | 4 | 3 | +T | - | |
Propyl acetate CH3CO2CH2CH2CH3 |
145 | Propyl acetate | 20-500 | 2 | 2 | T | 200 | |
Propyl
alcohol CH3(CH2)2OH |
113 | Isopropyl alcohol | 0.04-2.5% | 1 | 3 | T | 200 | |
113L | Isopropyl alcohol | 65-1040 | 1 | 3 | T | |||
113LL | Isopropyl alcohol | 13.6-136 | 2 | 2 | T | |||
Propylamine CH3(CH2)2NH2 |
180 | Amines | 6-120 | 1 | 3 | T | - | |
180L | Amines | 0.5-10 | 1 | 2 | T | |||
Propylene CH3CH:CH2 |
100A | LPG | 0.02-0.8% | 1 | 3 | - | - | |
Propylene dichloride CH3CHClCH2Cl |
131La | Vinyl chloride | 40-800 | 2 | 2* | + | 10 | |
Propylene
imine CH3CHCH2NH |
180 | Amines | 5.5-110 | 1 | 3 | T | 2 | |
180L | Amines | 0.35-7 | 1 | 2 | T | |||
Propylene
oxide CH3CHCH2O |
163 | Ethylene oxide | 0.065-3.9% | 1 | 3 | - | 2 | |
163L | Ethylene oxide | 1-100 | 1 | 1* | +T | |||
Propyl
mercaptan CH3(CH2)2SH |
70 | Mercaptans | 22.5-540 | 1 | 3 | - | - | |
70L | Mercaptans | 4.8-9.6 | 1/2 | 2 | - | |||
0.6-4.8 | 1 | |||||||
0.24-0.6 | 2 | |||||||
0.12-0.24 | 4 | |||||||
Pyridine C5H5N |
182 | Pyridine | 14-35 | 1/2 | 3 | T | 1 | |
0.5-14 | 1 | |||||||
0.2-0.5 | 2 |
T:Temp Correction | H:Humidity Correction | *:Refrigerator Store | Mesh:Correction Factor/Chart |