WAC 296-62-07304   Definitions.  The definitions set forth in this section apply throughout WAC 296-62-073 through296-62-07316 .

     (1) Absolute filter - is one capable of retaining 99.97 percent of a mono disperse aerosol of 0.3 micron size particles.

     (2) Authorized employee - an employee whose duties require him to be in the regulated area and who has been specifically assigned to those duties by the employer.

     (3) Clean change room - a room where employees put on clean clothing and/or protective equipment in an environment free of carcinogens listed in WAC 296-62-07302. The clean change room shall be contiguous to and have an entry from a shower room, when the shower room facilities are otherwise required in this section.

     (4) Closed system - an operation involving carcinogens listed in WAC 296-62-07302 where containment prevents the release of carcinogens.

     (5) Decontamination - the inactivation of a carcinogen listed in WAC 296-62-07302 or its safe disposal.

     (6) Disposal - the safe removal of a carcinogen listed in WAC 296-62-07302 from the work environment.

     (7) Emergency - an unforeseen circumstance or set of circumstances resulting in the release of a carcinogen which may result in exposure to or contact with any carcinogen listed in WAC 296-62-07302.

     (8) External environment - any environment external to regulated and nonregulated areas.

     (9) Isolated system - a fully enclosed structure other than the vessel of containment of a listed carcinogen which is impervious to the passage of listed carcinogens and which would prevent the entry of carcinogens into regulated areas, nonregulated areas, or the external environment, should leakage or spillage from the vessel of containment occur.

     (10) Laboratory-type hood - a device enclosed on three sides and the top and bottom, designed and maintained so as to draw air inward at an average linear face velocity of 150 feet per minute with a minimum of 125 feet per minute, designed, constructed and maintained such that an operation involving a listed carcinogen within the hood does not require the insertion of any portion of any employees' body other than his hands and arms.

     (11) Nonregulated area - any area under the control of the employer where entry and exit is neither restricted nor controlled.

     (12) Open-vessel system - an operation involving listed carcinogens in an open vessel, which is not in an isolated system, a laboratory-type hood, nor in any other system affording equivalent protection against the entry of carcinogens into regulated areas, nonregulated areas, or the external environment.

     (13) Protective clothing - clothing designed to protect an employee against contact with or exposure to listed carcinogens.

     (14) Regulated area - an area where entry and exit is restricted and controlled.



[Statutory Authority: RCW 49.17.010, [49.17].040, [49.17].050. 02-12-098, § 296-62-07304, filed 6/5/02, effective 8/1/02. Statutory Authority: Chapter 49.17 RCW. 87-24-051 (Order 87-24), § 296-62-07304, filed 11/30/87. Statutory Authority: RCW 49.17.040 and 49.17.050. 81-07-048 (Order 81-4), § 296-62-07304, filed 3/17/81. Statutory Authority: RCW 49.17.040, 49.17.050, 49.17.240, chapters 42.30 and 43.22 RCW. 80-17-014 (Order 80-20), § 296-62-07304, filed 11/13/80.]