Before revision: These include BTEX compounds (benzene, toluene, ethylbenzene, and xylene found in gasoline , and solvents including trichloroethylene and tetrachloroethylene.
After revision: )These include BTEX compounds (benzene, toluene, ethylbenzene, and xylene found in gasoline , and solvents including trichloroethylene and tetrachloroethylene.