Surrogate Standard

13C4-Fipronil, 100 µg/ml, Acetonitrile, 1ml

ASTM D-4815 Quantitation Peak ID Mix

1,5-Bis-(1-methylethyl)-biguanide HCl, 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 45095-69-0