


(°C) pH 6.7 Actual ndard 53 3.0 ppm NSF Target – Health Effects 3.0±0.3 ppm Average 0.12 ppm Maximum 0.30 ppm Average Minimum 95% 90% 23 23 Copper 2.9 ppm 3.0±0.3 ppm 0.26 ppm 0.52 ppm 91% 81% 1.3 ppma .1.0 ppmb 120 20 8.5 Mercury 6.1 ppb 6±0.6 ppb 0.3 ppb 0.5 ppb 95% 91% 2 ppb 1 ppbc 21 20 6.6 Mercury 5.9 ppb 6±0.6 ppb 0.3 ppb 0.7 ppb 94% 88% 2 ppb 1 ppbc 120 20 8.7 Cadmium 29 ppb 30±3 ppb 0.81 ppb 1.2 ppb 97% 95% 5 ppb 5 ppbc 24 20 6.7 Cadmium NSF/ANSI StaChlorine 30 ppb ndard 42 2.1 ppm 30±3