Ariz. Admin. Code § tit. 18, ch. 11, art. 1, app A, tbl. 7

Current through Register Vol. 30, No. 50, December 13, 2024

Table 7 - Water Quality Standards for Dissolved Nickel

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	120.0		20	13.3		20	1066
100	468		100	52.0		100	4158
400	1513		400	168		400	13436
e(0.846*LN(Hardness)+2.255)*(0.998)			e(0.846*LN(Hardness)+0.0584)*(0.997)			e(0.846*LN(Hardness)+4.4389)*(0.998)

Ariz. Admin. Code tit. 18, ch. 11, art. 1, app A, tbl. 7

Appendix A, Table 7 adopted by final rulemaking at 8 A.A.R. 1264, effective March 8, 2002 (Supp. 02-1). Appendix A, Table 7 amended by final rulemaking at 9 A.A.R. 716, effective April 8, 2003 (Supp. 03-1). Appendix A, Table 7 amended by final rulemaking at 14 A.A.R. 4708, effective January 31, 2009 (Supp. 08-4). Appendix A, Table 7 repealed; new Table 7 made by final rulemaking at 22 A.A.R. 2328, effective August 2, 2016 (Supp. 16-4).