EPA Method 549.1 Analytes

alpha-Endosulfan-d4 (1,1,5,5-d4),100 µg/mL,n-nonane,1mL,

Fichtelite, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2221-95-6

AH-7921