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EWOCDS Compound List
| EWOCDS COMPOUNDS | May 2004 | EWOCDS
Acronym | COMPOUND | CAS NUMBER | MCL (ppb)
Drinking Water | VC | Vinyl Chloride | 75-01-4 | 2 | | V-2 | 1,1-Dichloroethene | 75-35-4 | 7 | | M-2 | Dichloromethane | 75-09-2 | 5 | | TV-2 | trans-1,2-Dichloroethene | 156-60-5 | 100 | | CV-2 | cis-1,2-Dichloroethene | 156-59-2 | 70 | | M-3 | Chloroform | 67-66-3 | ** | | A-TRI | 1,1,1-Trichloroethane | 71-55-6 | 200 | | M-4 | Carbon Tetrachloride | 56-23-5 | 5 | | Benzene | Benzene | 71-43-2 | 5 | | EDC | 1,2-Dichloroethane | 107-06-2 | 5 | | TCE | Trichloroethene | 79-01-6 | 5 | | PDC | 1,2-Dichloropropane | 78-87-5 | 5 | | BDCM | Bromodichloromethane | 75-27-4 | ** | | Toluene | Toluene | 108-88-3 | 1000 | | B-TRI | 1,1,2-Trichloroethane | 79-00-5 | 5 | | PERC | Tetrachloroethene | 127-18-4 | 5 | | DBCM | Dibromochloromethane | 124-48-1 | ** | | CL-Ben | Chlorobenzene | 108-90-7 | 100 | | ET-Ben | Ethylbenzene | 100-41-4 | 700 | | BR-3 | Bromoform | 75-25-2 | ** | | Xylene(s) | Dimethylbenzene(s) (m, o, and p xylenes) | 1330-20-7 | 10,000 | | Styrene | Styrene | 100-42-5 | 100 | | 1,4Ben | 1,4-DichloroBenzene
(p-dichlorobenzene) | 106-46-7 | 75 | | 1,2Ben | 1,2-dichlorobenzene
(o-dichlorobenzene) | 95-50-1 | 600 | | 1,2,4-Ben | 1,2,4-TrichloroBenzene | 120-82-1 | 70 | · Maximum Contaminant Level MCL · Part per billion ppb · Early Warning Organic Compound Detection System - EWOCDS · This list represents the compounds analyzed by EWOCDS since 1/1/00. · Maximum contaminant level values listed above are obtained from the EPA's web site on Drinking Water Regulations, last updated 7/02. For more information see http://www.epa.gov/safewater.mcl.htm **These compounds are trihalomethanes and are regulated in drinking water at a maximum combined total of 100 ppb. |
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