EPA Method 551.1 Performance Check Sol’n

Triazole alanine, 10mg

Metribuzin, 100 µg/mL in MeOH, 1ml

4,5-Dichloroguaiacol , 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 2460-49-3