EPA Method 624 Standard

Sodium 2,2'-methylene-bis-(2,4-di-tert-butylphenyl

Propamocarb hydrochloride, 100 µg/ml, Methanol,

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)