Ariz. Admin. Code § tit. 18, ch. 11, art. 1, app A, tbl. 9

Current through Register Vol. 30, No. 45, November 8, 2024
Table 9 - Water Quality Standards for Dissolved Zinc

Acute and Chronic Aquatic and Wildlife coldwater, warmwater and edw

Acute Aquatic and Wildlife ephemeral

Hard. mg/L

Std. µg/L

Hard. mg/L

Std. µg/L

20

30.0

20

284

100

117

100

1112

400

379

400

3599

e(0.8473*LN(Hardness)+0.884)*(0.978)

e(0.8473*LN(Hardness)+3.1342)*(0.978)

Ariz. Admin. Code tit. 18, ch. 11, art. 1, app A, tbl. 9

Appendix A, Table 9 adopted by final rulemaking at 8 A.A.R. 1264, effective March 8, 2002 (Supp. 02-1). Appendix A, Table 9 amended by final rulemaking at 9 A.A.R. 716, effective April 8, 2003 (Supp. 03-1). Appendix A, Table 9 renumbered to Table 11; new Table 9 renumbered from Table 6 and amended by final rulemaking at 14 A.A.R. 4708, effective January 31, 2009 (Supp. 084). Appendix A, Table 9 repealed; new Table 9 made by final rulemaking at 22 A.A.R. 2328, effective August 2, 2016 (Supp. 16-4).