New Hampshire Code of Administrative Rules
Env - Department of Environmental Services
Subtitle Env-Ws - Division of Water
Chapter Env-Ws 300 - NEW HAMPSHIRE DRINKING WATER RULES
Part Env-Ws 347 - BEST AVAILABLE TREATMENT - ORGANICS
Section Env-Ws 347.01 - BAT for Volatile Organic Chemicals

Universal Citation: NH Admin Rules Env-Ws 347.01
Current through Register No. 13, March 27, 2025

The required technologies listed in Table 347-1 below shall be the best technology, treatment techniques, or other means available for achieving compliance with the MCL level for volatile organic chemicals (VOCs) specified in Env-Ws 315.01(a).

Table 347-1

Best Available Treatment for Volatile OrganicChemicals (VOCs)

VOC Treatment
Granular Activated Carbon(AC) Packed Tower Aeration (PT)
Benzene AC PT
Carbon tetrachloride AC PT
cis-1,2 Dichloroethylene AC PT
1,2 Dichloroethane AC PT
Trichloroethylene AC PT
Para-dichlorobenzene (1,4-Dichlorobenzene) AC PT
1,1 Dichloroethylene AC PT
Dichloromethane (Methylene chloride) PT
1,2 Dichloropropane AC PT
Ethylbenzene AC PT
Methyl tertiary-butyl ether (MtBE) AC PT
Monochlorobenzene (chlorobenzene) AC PT
o-Dichlorobenzene AC PT
Styrene AC PT
Tetrachloroethylene AC PT
Toluene AC PT
trans-1,2 Dichloroethylene AC PT
1,2,4 Trichlorobenzene AC PT
1,1,2 Trichloroethane AC PT
Trichloroethylene AC PT
1,1,1 Trichloroethane AC PT
Vinyl chloride AC
Xylene (Total) AC PT

(See Revision Note at chapter heading Env-Ws 300) #6521, eff 6-4-97; amd by #7261, eff 5-4-00; ss by #8497, eff 11-30-05

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