Simple Measurement Set for Chlorocarbons in Drainage
■Measurement for solvent concentration is easy by measuring the head space gas with the detector tube.
| Type of harmful chemicals | Detector tube used | Measuring range after water solvent conversion | Drainage criteria |
|---|---|---|---|
| Tetrachloroethylene | 135SA | 0.14 - 8.20mg/L | 0.1mg/L |
| 135SB | 0.03 - 0.64mg/L | ||
| Trichloroethylene | 134SA | 0.15 - 8.80mg/L | 0.3mg/L |
| 134SB | 0.03-1.0mg/L | ||
| 1,1,1-Trichloroethane | 160S | 0.67 - 9.00mg/L | 3mg/L |
| Dichloromethane | 180S | 2.0 - 54.0mg/L | 0.2mg/L |
| 1,2-Dichloroethane | 230SA | 0.3 - 3.7mg/L | 0.04mg/L |
| 1,1-Dichloroethylene | 132SC | 0.01 - 0.27mg/L | 1mg/L |
| cis-1,2-Dichloroethylene | 145S | 0.1 - 2.7mg/L | 0.4mg/L |
| 1,1,2-Trichloroethane | 236SA | 1.4 - 5.6mg/L | 0.06mg/L |
| 1,3-Dichloropropene | 132SC | 0.02 - 0.50mg/L | 0.02mg/L |
| Carbon tetrachloride | 147S | 0.1 - 1.0mg/L | 0.02mg/L |
| Benzene | 118SC | 0.1 - 1.5mg/L | 0.1mg/L |
