Washington Administrative Code
Title - Northwest Clean Air Agency
400 - STANDARDS
Sec2 402 - PARTICULATE FALLOUT STANDARDS
Universal Citation: WA Admin Code 402
Current through Register Vol. 24-18, September 15, 2024
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.
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