PDFWAC 173-422A-220

Diesel vehicle testing equipment specifications.

(1) An opacity meter that:
(a) Automatically recalibrates before each test.
(b) Provides for continuous measurement of exhaust opacity unaffected by rain or wind.
(2) The testing equipment must be able to perform the test online unless ecology grants prior approval.
[Statutory Authority: RCW 70.120.120. WSR 11-17-041 (Order 08-01), § 173-422A-220, filed 8/10/11, effective 7/1/12.]