Identification and Determination of Organohalogen Compounds in Swimming Pool Water

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Abstract
Volatile organohalogen compounds were determined in a swimming pool using three methods: determination of volatile organic halogen (VOX) after sorption on XAD-4 solid sorbent, thermal desorption and coulometric titration of the halides formed; identification and determination of the individual organohalogen compounds after sorption on XAD-4, solvent extraction and chromatographic determination; direct injection of aqueous samples to the chromatographic column. The concentration of organohalogen compounds varied from 35.9 to 99.7 μg/dm3 for trichloromethane, 22.0 to 57.7 μg/dm3 for dichloromethane, 2.4 to 27.4 μg/dm3 for trichloroethylene, 2.3 to 14.7 μg/dm3 for bromodichloromethane and 4.2 to 7.6 μg/dm3 for tetrachloromethane. The results obtained by the three methods are consistent in principle.