1. (1) You must separate the HIV and HBV work areas from areas that are open to unrestricted traffic flow within the building.

2. (2) You must use two sets of doors to separate HIV and HBV work areas from access corridors or other contiguous areas.

   Note:	You may provide a physical separation of the high-containment work area from access corridors or other areas or activities by providing:
   	1. A double-doored clothes-change room (showers may be included);
   	2. Airlock; or
   	3. Other access facilities that require passing through two sets of doors before entering the work area.

3. (3) You must make sure the surfaces of doors, walls, floors, and ceilings in the work area are water resistant so they can be easily cleaned. These surfaces must be sealed or capable of being sealed to facilitate decontamination.
4. (4) You must make sure access doors to the work area or containment module are self-closing.

5. (5) You must provide a ducted exhaust-air ventilation system.

   1. (a) This system must create directional airflow that draws air into the work area through the entry area and you must verify this airflow.

   2. (b) The exhaust air must:

      1. (i) not be recirculated to any other area of the building;
      2. (ii) Be discharged to the outside;
      3. (iii) Be dispersed away from occupied areas and air intakes.
6. (6) Make sure an autoclave for decontamination of regulated waste is available within or as near as possible to the work area.

[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050. WSR 15-23-086, § 296-823-18055, filed 11/17/15, effective 12/18/15. Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. WSR 07-03-163, § 296-823-18055, filed 1/24/07, effective 4/1/07; WSR 04-12-070, § 296-823-18055, filed 6/1/04, effective 9/1/04; WSR 03-09-110, § 296-823-18055, filed 4/22/03, effective 8/1/03.]