EPA Method 552.1 - Surrogate Standard

2-Isopropoxy-3(6)-methylpyrazine, Isomer mixture, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no.

N-Nitroso-D,L-proline-d7

Methiocarb-sulfone, 100 µg/ml, Acetonitrile, 5ml