5.01.010 Ambient Air Quality Standards for PCBs
(a) Annual Standard The concentration of polychlorinated biphenyls (PCBs) in ambient air on the Reservation shall not exceed 0.5 ng/m3 as measured on a rolling 12-month basis. Exceedance of this standard during any 12-month period shall be a violation of this standard.
(b) Short-Term Standard The concentration of PCBs in ambient air on the Reservation shall not exceed 5 ng/m3 during any 24-hour period.
