EPA Method 8121 Surrogate Standard

Bis(2,4-diisopropylphenyl) phenyl phosphate, 1.2ml x 50ug/ml, toluene

Propachlor ESA sodium salt, 100µg/ml in MeOH, 1ml

ß-Ionone, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 79-77-6