EPA Method 525 - Tuning Standard

2-Methylthio-3-methyl- and 2-methylthio-5-methylpyrazine, Isomer mixture, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no.

Thiophanate-methyl, 100 µg/ml, Methanol, 1ml

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