OAR 340-040-0130: Method and Criteria for Establishment of Maximum Measurable Levels of Contaminants in Groundwater: Human Health and Environmental Advisories

(1) The Department shall provide Human Health and Environmental Advisories for each substance of concern and contaminant to be regulated under OAR 340-040-0110. This advisory shall generally follow a standardized format, and shall include, but not be limited to the following information, if known, for the substance of concern or contaminant: (a) The common and technical name; CAS number; chemical identity; and synonyms; (b) How it is released to the environment; how it occurs naturally; and its fate in the environment, with particular reference to groundwater quality; (c) The occurrence, or potential for occurrence in groundwater in Oregon; (d) Means of human exposure; fate of the chemical in humans and the human health effects; (e) The environmental effects, including both aquatic and terrestrial organisms; (f) The maximum measurable level established, if any, and the basis for its establishment; (g) How to obtain testing; (h) Brief summary of how to initiate the process of establishing a groundwater area of concern, or groundwater management area; (i) Other information, including but not limited to, reference to the Department’s staff report upon which the maximum measurable level was proposed; means of treating contaminated water; and reference to various agencies with information relating to groundwater quality. (2) A draft of each Human Health and Environmental Advisory shall be submitted with the DEQ staff report when the proposed maximum measurable level is authorized for public hearing. (3) The public shall be allowed to comment on the advisory in the public hearing process. The Department will modify the draft advisory, if appropriate, to reflect the public comments.