D4-Prochloraz Metabolite BTS44596, 100 µg/ml, Ace

1,3-Phenylenediamine, 1000µg/mL in methylene chloride, 1ml

Brassicasterol, 100µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 474-67-9

EPA Method 502.2 Surrogate Standard