…round-water scientist and establish that: ( i ) An existing physical obstacle prevents monitoring well installation at the hydraulically downgradient limit of the waste management area; and ( ii ) The selected alternate downgradient location is as close to the limit of the waste …

… 264.96 The owner or operator must implement a corrective action program that prevents hazardous constituents from exceeding their respective concentration limits at the compliance point by removing the hazardous waste constituents or treating them in place. The permit will speci…

…-40-6 1/1/95 Isobutyraldehyde 78-84-2 1/1/87 Isodrin 465-73-6 1/1/95 Isofenphos 25311-71-1 1/1/95 Isoprene 78-79-5 1/1/11 Isopropyl alcohol (Isopropanol) (only persons who manufacture by the strong acid process are subject, no supplier notification) 67-63-0 1/1/87 4,4′-Isopropyli…