(10) chloro ethylene tetrachloride. (Tetrachloroethylene) must not exceed 5 micrograms per 
liter. (11), toluene (Toluene) must not exceed 1,000 micrograms per 
liter. (12), tri chloro ethylene. (Trichloroethylene) must not exceed 5 micrograms per 
liter. (13) 1, 1, 1 - tri chloro ethane (1, 1, 1 - Trichloroethane) must not exceed 200 micrograms per 
liter. (14) 1, 1, 2 -. tri chloro ethane (1, 1, 2 - Trichloroethane) must not exceed 5 micrograms per 
liter. (15), total xylenes (Total Xylenes) must not exceed 10,000 micrograms per liter.
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