Ariz. Admin. Code § tit. 18, ch. 11, art. 1, app A, tbl. 6

Current through Register Vol. 30, No. 25, June 21, 2024

Table 6 - Water Quality Standards for Dissolved Lead

Acute Aquatic and Wildlife coldwater, warmwater and edw		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	Hard. mg/L	Std. µg/L
20	10.8	20	0.42	20	22.8
100	64.6	100	2.5	100	136.3
400	281	400	10.9	400	592.7
e(1.273*LN(Hardness)-1.46)*(1.46203-e (LN(Hardness))*(0.145712))		e(1.273*LN(Hardness)-4.705) * (1.46203-(LN(Hardness))*(0.145712))		e(1.273*(LN(Hardness))-0.7131) * (1.46203-(LN(Hardness))*(0.145712))

Ariz. Admin. Code tit. 18, ch. 11, art. 1, app A, tbl. 6

Appendix A, Table 6 adopted by final rulemaking at 8 A.A.R. 1264, effective March 8, 2002 (Supp. 02-1). Appendix A, Table 6 amended by final rulemaking at 9 A.A.R. 716, effective April 8, 2003 (Supp. 03-1). Appendix A, Table 6 renumbered to Table 9; new Table 6 made by final rulemaking at 14 A.A.R. 4708, effective January 31, 2009 (Supp. 08-4). Appendix A, Table 6 repealed; new Table 6 made by final rulemaking at 22 A.A.R. 2328, effective August 2, 2016 (Supp. 16-4). Amended by final rulemaking at 25 A.A.R. 2515, effective November 9, 2019 (Supp. 19-3).