5.000 mg/l chromium (total)

1.370 mg/l copper (total)

0.423 mg/l lead (total)

0.030 mg/l mercury (total)

0.047 mg/l molybdenum (total)

0.222 mg/l nickel (total)

0.753 mg/l zinc (total)

300 mg/l BOD₅

150 mg/l soluble BOD₅

300 mg/l total suspended solids

6.0 minimum pH in standard units

9.0 maximum pH in standard units

10 percent reduction in effluent UV transmissivity (per cm at 254nm wavelength)

10 percent decrease in the maximum effluent concentration which has no observable detrimental effect (NOEC) in any whole effluent toxicity test. [Ord. 4169 § 1, 2014; Code 1970 § 13.62.020(E).]