The particle fallout rate as measured by an Oregon standard method at a location approved by DEQ must not exceed:
- (1) 10 grams per square meter per month in an industrial area.
- (2) 5.0 grams per square meter per month in an industrial area if visual observations show a presence of wood waste or soot and the volatile fraction of the sample exceeds 70 percent.
- (3) 5.0 grams per square meter per month in residential and commercial areas.
- (4) 3.5 grams per square meter per month in residential and commercial areas if visual observations show the presence of wood waste or soot and the volatile fraction of the sample exceeds 70 percent.
Statutory/Other Authority
ORS 468.020 & 468A
Statutes/Other Implemented
ORS 468A.025 & 468A.035
History
DEQ 7-2015, f. & cert. ef. 4-16-15
DEQ 6-2001, f. 6-18-01, cert. ef. 7-1-01
DEQ 14-1999, f. & cert. ef. 10-14-99, Renumbered from 340-031-0045
DEQ 8-1988, f. & cert. ef. 5-19-88 (corrected 9-30-88)
DEQ 37, f. 2-15-72, ef. 3-1-72