Sebuthylazin-desethyl, 100 µg/ml, Acetonitrile,

1,2-Bis(2,4,6-tribromo[13C6]phenoxy)ethane, 1.2ml x 50ug/ml, toluene

Linear Alkyl Benzene Sulfonate Stock solution, ISO, 1000µg/ml, Solvent-water, Unit 25mL, # of units-5, Cas.no. 69669-44-9

EPA Method 515.2 - Analytes