Ariz. Admin. Code § tit. 18, ch. 11, art. 1, app A, tbl. 2

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

Table 2 - Acute Water Quality Standards for Dissolved Cadmium

Aquatic and Wildlife coldwater		Aquatic and Wildlife warm water, and edw		Aquatic and Wildlife ephemeral
Hard. mg/L	Std. µg/L	Hard. mg/L	Std. µg/L	Hard. mg/L	Std. µg/L.
20	0.40	20	2.1	20	4.9
100	1.8	100	9.4	100	22
400	6.5	400	34	400	80
e(0.9789*LN(Hardness)-3.866)*(1.136672-LN(Hardness)*0.041838)		e(0.9789*LN(Hardness)-2.208)*(1.136672-LN(Hardness)*0.041838)		e(0.9789*LN(Hardness)-1.363) (1.136672-LN(Hardness)*0.041838)

Ariz. Admin. Code tit. 18, ch. 11, art. 1, app A, tbl. 2

Appendix A repealed; new Appendix A, Table 2 adopted effective April 24, 1996 (Supp. 96-2). Appendix A, Table 2 amended by final rulemaking at 8 A.A.R. 1264, effective March 8, 2002 (Supp. 02-1). Appendix A, Table 2 amended to correct references to footnotes (Supp. 02-4). Appendix A, Table 2 footnotes amended by final rulemaking at 9 A.A.R. 716, effective April 8, 2003 (Supp. 03-1). Appendix A, Table 2 repealed; new Appendix A, Table 2 made by final rulemaking at 14 A.A.R. 4708, effective January 31, 2009 (Supp. 08-4). Appendix A, Table 2 repealed; new Table 2 made by final rulemaking at 22 A.A.R. 2328, effective August 2, 2016 (Supp. 16-4).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).