R 336.1123 Definitions; W.

Rule 123. As used in these rules: (a) "Waxy, heavy pour crude oil" means any of the following: (i) A crude oil with a pour point of 30 degrees Fahrenheit or higher as determined by the standard test method set forth in ASTM-D97, entitled "Test Method for Pour Point of Petroleum Oils," adopted by reference in R 336.1902. (ii) A crude oil containing more than 2.5% N-paraffin content (C-17 to C-40). (iii) A crude oil with a viscosity of more than 500 seconds universal sayboldt (SUS) at 20 degrees Fahrenheit. (b) "Wayne county permit" means a permit or a certificate of operation issued pursuant to the Wayne county air pollution control ordinance adopted pursuant to the home rule charter for Wayne county, resolution no. 85-305, as amended by resolution no. 89-213. (c) "Weight of evidence," a term of art, means a description of the likelihood that a chemical is a human carcinogen based on evaluation of tumor data from human or animal studies and examination of relevant supporting information, including any of the following information: (i) Structure-activity relationships. (ii) Short-term test findings. (iii) Results of appropriate physiological, biological, and toxicological observations. (iv) Comparative metabolism and pharmacokinetic studies.