MRDLs are enforceable in the same manner as maximum contaminant levels and are specified in Table 7. The MRDL for chlorine and chloramines shall be calculated as a running annual average according to OAR 333-061-0036(4)(i). The MRDL for chlorine dioxide is determined by follow-up monitoring according to OAR 333-061-0036(4)(i).

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

Statutory/Other Authority

ORS 448.131

Statutes/Other Implemented

ORS 448.131, 448.150 & 448.273

History

PH 2-2018, amend filed 01/10/2018, effective 01/10/2018
PH 5-2016, f. 2-10-16, cert. ef. 4-1-16
PH 4-2009, f. & cert. ef. 5-18-09
OHD 23-2001, f. & cert. ef. 10-31-01
OHD 7-2000, f. 7-11-00, cert. ef. 7-15-00