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PDFWAC 173-270-070


(1) BMP effectiveness monitoring.
(a) Monitoring procedures. WSDOT shall formulate and implement monitoring procedures for each type of BMP employed. The procedures shall include a quality assurance and control plan.
(b) Waivers. After application by WSDOT, ecology may grant a waiver from monitoring a BMP if ecology determines there is adequate knowledge about the BMP's water quality performance.
(2) Pesticide monitoring. WSDOT shall formulate a pesticide monitoring policy, including but not limited to, threshold determination and frequency of monitoring. WSDOT also shall formulate procedures for monitoring pesticides, including the use of benthic organisms.
[Statutory Authority: Chapters 90.48 and 90.70 RCW. WSR 91-11-091 (Order 91-06), ยง 173-270-070, filed 5/21/91, effective 6/21/91.]
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