Section 31-6-101 - Definitions(a) As used in this act: (i) "Alcohol concentration" means as defined in W.S. 31-5-233(a)(i);(ii) "Controlled substance" includes:(A) Any drug or substance defined by W.S. 35-7-1002(a)(iv);(B) Any glue, aerosol or other toxic vapor which when intentionally inhaled or sniffed results in impairment of an individual's ability to drive safely;(C) Any drug or psychoactive substance, or combination of these substances, capable of impairing a person's physical or mental faculties.(iii) "Department" means the department of transportation;(iv) "Peace officer" means as defined in W.S. 7-2-101;(v) "This act" means W.S. 31-6-101 through 31-6-108.(b) The definitions provided by W.S. 31-5-102(a) apply in this act.