EPA Method 8260B - Purgeable Internal Std

Dimethoate, 100µg/ml in Acetonitrile, 5ml

GC-IRMS Standards (C15 (?13C: -30.22); C20 (?13C: -33.06); C25 (?13C: -28.21)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no.

1-Undecene, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 821-95-4