Statutes, codes, and regulations
Arizona Administrative Code
Title 18 - ENVIRONMENTAL QUALITYChapter 11 - DEPARTMENT OF ENVIRONMENTAL QUALITY - WATER QUALITY STANDARDSArticle 1 - WATER QUALITY STANDARDS FOR SURFACE WATERS
Appendix A - Numeric Water Quality Standards
Table 3 - Chronic Water Quality Standards for Dissolved Cadmium

Ariz. Admin. Code § tit. 18, ch. 11, art. 1, app A, tbl. 3

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Current through Register Vol. 30, No. 50, December 13, 2024
Table 3 - Chronic Water Quality Standards for Dissolved Cadmium

Aquatic and Wildlife coldwater, warmwater, and edw

Hard. mg/L

Std. µg/L

20

0.21

100

0.72

400

2.0

e(0.7977*LN(Hardness)-3.909)*(1. 101672-LN(Hardness)*0.041838)

Ariz. Admin. Code tit. 18, ch. 11, art. 1, app A, tbl. 3

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 Appendix A, Table 3 repealed; new Table 3 made by final rulemaking at 22 A.A.R. 2328, effective August 2, 2016 (Supp. 16-4).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