Wash. Admin. Code Northwest Clean Air Agency, 400, 402

Current through Register Vol. 25-01, January 1, 2025

Section 402 - PARTICULATE FALLOUT STANDARDS

402.1 Particle fallout shall not exceed the standards enumerated below at the conditions stated:

402.11 The particle fallout rate measured at an ambient air monitoring station shall not exceed:

402.111 Ten (10) grams per square meter per month in an industrial area, or

402.112 Five (5) grams per square meter per month in an industrial area if visual observations show a presence of wood waste and the volatile fraction of sample exceeds seventy percent.

402.113 Five (5) grams per square meter per month in residential and commercial areas.

402.114 Three and one half (3.5) grams per square meter per month in residential and commercial areas if visual observations show the presence of wood waste and the volatile fraction of the sample exceeds seventy percent.

402.12 Measurement for particle fallout shall be in approved jars or their equivalent as stipulated by the Control Officer or the WDOE.

402.2 Sampling and analysis for particle fallout shall be conducted according to methods outlined in Section 180.

Wash. Admin. Code Northwest Clean Air Agency, 400, 402

AMENDED: October 13, 1982