WP Total Hardness

EPA 606 Control Sample Mixture 6 Analytes, each concentration as listed in acetone; units: 5x1mL, 1x5mL 1224.4 Bis(2-ethylhexyl) phthalate [117-81-7] 500µL/mL 1227.19 Benzyl butyl phthalate [85-68-7] 100µL/mL 1226.16 D

2-Nitrophenol, 100 µg/ml, Methanol, 1ml

Sulfur Calibration Mixtures: Di-n-butyl sulfide in Heavy White Oil (less than 20mg/kg S) Unit : 10mL screw-capped bottle Light White Mineral Oil Heavy White Mineral Oil (20 cSt at 40°C) (70 cSt at 40°C)