1 CHEMICALS DERIVED FROM PETROLEUM-NAMELY, PROPYLENE GLYCOL, PROPYLENE OXIDE, TERTIARY BUTYL ALCOHOL AND TERTIARY BUTYL HYDROPEROXIDE, USEFUL IN THE MANUFACTURE OF DRUGS, FOOD ADDITIVE SOLVENTS, HUMECTANTS, PET FOODS, DEMULCIFIERS, SURFACTANTS, GLYCERIN AND NON-TOXIC ANTIFREEZE