Research Article
Characteristics, Distribution, and Source Analysis of the Main Persistent Toxic Substances in Karst Groundwater at Jinan in North China
Table 2
Detection limits of the organic compounds.
| No. | Organic compounds | Detection limits (μg/L) |
| 1 | Trichloromethane | 0.1 | 2 | Carbon tetrachloride | 0.1 | 3 | 1,1,1-Trichloroethane | 0.1 | 4 | Trichloroethylene | 0.1 | 5 | Tetrachloroethylene | 0.1 | 6 | Dichloromethane | 0.2 | 7 | 1,2-Dichloroethane | 0.2 | 8 | 1,1,2-Trichloroethane | 0.1 | 9 | 1,2-Dichloropropane | 0.2 | 10 | Bromoform | 0.2 | 11 | Vinyl chloride | 0.1 | 12 | 1,1-Dichloroethylene | 0.1 | 13 | cis-1,2-Dichloroethylene | 0.1 | 14 | Chlorine benzene | 0.1 | 15 | Phthalates | 0.1 | 16 | Dichlorobenzene | 0.1 | 17 | Benzene | 0.2 | 18 | Toluene | 0.1 | 19 | Ethylbenzene | 0.1 | 20 | Ditoluene | 0.2 | 21 | Styrene | 0.1 | 22 | Total BHC | 0.01 | 23 | γ-BHC (lindane) | 0.01 | 24 | Total DDT | 0.002 | 25 | Hexachlorobenzene | 0.01 | 26 | Benzo(a) pyrene | 0.002 |
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