(4) 1, 1 - dichloro ethylene (1, 1 - Dichloroethylene) must not exceed 7 micrograms per liter.
(5) cis - 1, 2 - dichloro ethylene (cis - 1,. 2 - Dichloroethylene) must not exceed 70 micrograms per liter.
(6) trans - 1, 2 - dichloro ethylene (trans - 1, 2 -Dichloroethylene) must not exceed 100 micrograms per liter.
(7) dichloro Robert methane (Dichloromethane) must not exceed 5 micrograms per liter.
(8), ethyl benzene (Ethylbenzene) must not exceed 700 micrograms per liter.
(9), polystyrene (Styrene) must not exceed 100 micrograms per liter.
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