Wash. Admin. Code § 296-848-30010
| Exemption: | • Periodic exposure evaluations aren't required if exposure monitoring results conducted to fulfill requirements in Exposure evaluation, WAC 296-848-20060, are below the action level (AL). |
You must obtain employee exposure monitoring results as specified in Table 2 by repeating Steps 2, 4, and 5 of the Exposure Evaluation Process found within this chapter, in Exposure evaluations, WAC 296-848-20060.
| Note: | If you document that one work shift consistently has higher exposure monitoring results than another for a particular operation, then you limit sample collection to the work shift with higher exposures and can use results to represent all employees performing the operation on other shifts. |
Table 2
Periodic Exposure Evaluation Frequencies
| If 8-hour employee exposure monitoring results: | Then: |
| Are between the:– Action level (AL) of 5 micrograms per cubic meter (µg/m3);AND– Permissible exposure limit (PEL) of 10 µg/m3 | Conduct additional exposure evaluations at least every six months for the employees represented by the monitoring results. |
| Are above the PEL | Conduct additional exposure evaluations at least every three months for the employees represented by the monitoring results. |
| For employees previously above the PEL, have decreased:– To a concentration between the PEL and AL;AND– The decrease is demonstrated by two consecutive exposure evaluations made at least seven days apart | You may decrease your evaluation frequency to every six months for the employees represented by the monitoring results. |
| Have decreased to below the AL;ANDThe decrease is demonstrated by two consecutive exposure evaluations made at least seven days apart | You may stop periodic employee exposure evaluations for employees represented by the monitoring results. |
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 18-22-116, § 296-848-30010, filed 11/6/18, effective 12/7/18; WSR 05-01-173, § 296-848-30010, filed 12/21/04, effective 5/1/05.]