EPA Method 8021B Internal Standard

Propargite,100 µg/mL ,MeOH,1mL,

2,2,3-Trimethylbutane, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 464-06-2

EPTC, 100 µg/ml, Acetonitrile, 1ml