IMPORTANT:

Use of employee rotation to control exposures is not advisable since inorganic arsenic is a known carcinogen.

1. (1) You must establish and implement a complete written exposure control plan that includes at least the following, for exposure control areas:

   1. (a) A description of each operation releasing inorganic arsenic, for example:

      1. (i) Crew size.
      2. (ii) Current exposure controls.
      3. (iii) Materials processed.
      4. (iv) Machinery used.
      5. (v) Operating procedures.
      6. (vi) Maintenance practices.
   2. (b) Exposure evaluation data.
   3. (c) A report of the technology considered for exposure controls.
   4. (d) Engineering plans and studies used as a basis for selecting exposure controls.

   5. (e) A detailed schedule for implementing:

      1. (i) Feasible exposure controls, if immediate implementation is not possible.
      2. (ii) Changes to enhance current exposure controls, when necessary.
   6. (f) An analysis of the effectiveness of the exposure controls considered, when controls will not reduce exposures to or below the permissible exposure limit (PEL).
   7. (g) Other relevant information.
2. (2) You must review and update your exposure control plan at least every six months to keep it current.
3. (3) You must implement exposure controls on the quickest schedule feasible if controls will not reduce exposure to or below the PEL.
4. (4) You must provide a copy of your exposure control plan to affected employees and their designated representatives, when they ask to review or copy it.

[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 18-22-116, § 296-848-40005, filed 11/6/18, effective 12/7/18; WSR 05-01-173, § 296-848-40005, filed 12/21/04, effective 5/1/05.]