EPA Method 508 Surrogate Standard

n-Tetracosane-d50, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 16416-32-3

S-Metolachlor, 100 µg/ml, Acetone, 1ml

Triphenyl phosphate D15, 50mg