Cal. Code Regs. tit. 22 § 60301.630
Current through Register 2024 Notice Reg. No. 49, December 6, 2024
"NTU" (Nephelometric turbidity unit) means a measurement of turbidity as determined by the ratio of the intensity of light scattered by the sample to the intensity of incident light as measured by method 2130 B. in Standard Methods for the Examination of Water and Wastewater, 20th ed.; Eaton, A. D., Clesceri, L. S., and Greenberg, A. E., Eds; American Public Health Association: Washington, DC, 1995; p. 2-8.
Cal. Code Regs. Tit. 22, § 60301.630
Note: Authority cited: Section 13521, Water Code. Reference: Sections 13520 and 13521, Water Code.