Ariz. Admin. Code § 11-1-121
In these rules, unless the context otherwise requires, the following definitions apply:
1. "Acid plant" means any operation that manufactures sulfuric acid.
2. "Adequate" means sufficient, safe, reasonable and feasible for intended use.
3. "American Conference of Governmental Industrial Hygienists" means the "Documentation of the Threshold Limit Values for Substances in Workroom Air," third edition, adopted by ACGIH for 1971, and Supplements for those Substances Added or Changed Year 1978 (V), pages 453 through 476.
4. "American National Standard Specification for Sound Level Meters" means ANSI Standard 1.4-1971 (R1976), approved April 27, 1971.
5. "American National Standard Practices for Respiratory Protection" means ANSI Standard Z88.2-1969, approved August 11, 1969.
6. "American National Standard Safety Code for Elevators, Dumbwaiters, Escalators and Moving Walks" means ANSI Standard A17.1-1978 and ANSI 17.1a-1979, approved February 15, 1979.
7. "American Table of Distances" means the April 1977 edition of "The American Table of Distances for Storage of Explosives" published by the Institute of Makers of Explosives.
8. "Approved" means tested and accepted for a specific purpose by a nationally recognized agency.
9. "Authorized person" means a person approved or assigned by mine management to perform a specific type of duty or duties or to be at specific location or locations in the mine.
10. "Competent person" means a person having abilities and experience to qualify him to perform the duty to which he is assigned.
11. "Compressed air receivers" means any vessels of 100 cubic foot capacity or more which are used for the purpose of receiving and holding compressed air.
12. "Conveyance" means an elevator, dumbwaiter, escalator, moving walk, manlift, personnel hoist, material hoist, stage lift, and special purpose personnel elevator located at mines.
13. "Dam" means any artificial barrier, including appurtenant works, for the purpose of controlling liquid borne material.
14. "Flammable" means capable of being easily ignited and of burning rapidly.
15. "Flammable liquid" means a liquid having a flash point below 100° F and having a vapor pressure not exceeding 40 P.S.I. (absolute) at 100° F.
16. "Imminent danger" means any conditions or practices in any place of employment which are such that a danger exists which could reasonably be expected to cause death or serious physical harm immediately or before the imminence of such danger can be eliminated through the enforcement procedures otherwise provided by this Article.
17. "Leaching" means vat leaching, dump leaching and leaching of ore in place.
18. "National Electrical Code" refers to the code as adopted by the National Fire Protection Association and the American National Standard Institute as NFPA 70-1978 (ANSI).
19. "National Electrical Safety Code" means ANSI Standard C2-1977 Edition.
20. "Powder chest" means a substantial, nonconductive portable container equipped with a lid and used at blasting sites for explosives other than blasting agents.
21. "Suitable" means that which fits and has the qualities or qualifications to meet a given purpose, occasion, condition, function, or circumstance.
22. "Working level (WL)" means any combination of the short-lived radon daughters in one liter of air that will result in ultimate emission of 1.3 x 105 MeV (million electron volts) of potential alpha energy, and exposure to these radon daughters over a period of time is expressed in terms of "working level months" (WLM). Inhalation of air containing a radon daughter concentration of 1 WL for 173 hours results in an exposure of 1 WLM.
23. "Working place" means any place in or about a mine where work is being performed.
Ariz. Admin. Code § R11-1-121