Demeton-S-methyl-sulfoxide, 100 µg/ml, Acetonitri

EPA Method 8260 - Surrogate Standard

2,4-Di-sec-butylphenol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1849-18-9

Method 429 Alternate Standard Stock Solution, 1.2ml, isooctane