The concentration of lead and its compounds in ambient air must not exceed:

1. (1) 0.15 micrograms per cubic meter as a maximum arithmetic mean averaged over a calendar quarter, as measured by a reference method based on appendix G of 40 CFR part 53 or an equivalent method designated in accordance with 40 CFR part 53.

2. (2) The standard is met when the maximum arithmetic 3-month mean concentration for a 3-year period, as determined in accordance with appendix R of 40 CFR part, is less than or equal to 0.15 micrograms per cubic meter.

   [NOTE: This rule is included in the State of Oregon Clean Air Act Implementation Plan that EQC adopted under OAR 340-200-0040.]

   [NOTE: View a PDF of referenced appendices by clicking on "Tables" link below.]

   [ED. NOTE: To view attachments referenced in rule text, click here for PDF copy.]

Statutory/Other Authority

ORS 468.020 & 468A

Statutes/Other Implemented

ORS 468A.025 & 468A.035

History

DEQ 13-2019, amend filed 05/16/2019, effective 05/16/2019
DEQ 7-2015, f. & cert. ef. 4-16-15
DEQ 11-2013, f. & cert. ef. 11-7-13
DEQ 5-2010, f. & cert. ef. 5-21-10
DEQ 6-2001, f. 6-18-01, cert. ef. 7-1-01
DEQ 14-1999, f. & cert. ef. 10-14-99, Renumbered from 340-031-0055
DEQ 4-1993, f. & cert. ef. 3-10-93
DEQ 24-1991, f. & cert. ef. 11-13-91
DEQ 8-1988, f. & cert. ef. 5-19-88 (corrected 9-30-88)
DEQ 1-1983, f. & ef. 1-21-83
DEQ 85, f. 1-29-75, ef. 2-25-75