EPA Method 8270C Pesticide Mix #20 Back Catalog number: 91003 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2949.6-100-IO gamma-1,2,3,4,5,6-Hexachlorocyclohexane-d6, 100µg/ml in Isooctane, 1ml Price on request 676434 Atrazine-desethyl-desisopropyl, 100µg/ml, Acetonitril, 1ml Price on request 50302 Mix #2 Price on request