Pyribencarb, 100 µg/ml, Acetonitrile, 1ml

delta-HCH, 10.0 µg/ml, Ethyl acetate, 10ml

4-Aminoantipyrine, 100mg

EPA 528 rev. 1.0 Sample Fortification Solution 1 100µg/mL in methanol; unit: 1x5mL 2420.6 2-Chlorophenol-3,4,5,6-d4 [93951-73-6]