TOC Calibration Standard

1,2,3,7,8-Pentachloronaphthalene, 1.2mL x 50ug/mL, nonane

D6-Monuron, 100 µg/ml, Acetonitrile, 1ml

4-tert-Butylphenyldiphenyl phosphate-d13,100 µg/mL,isooctane,1mL