EPA Method 617 - Analytes Mix #2 Back Catalog number: 40008 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended XA10332000AL Atrazine-desisopropyl, 100µg/ml in Acetonitrile, 1ml Price on request PCB-ST-A Native PCB Stock Solution , 1.2ml , nonane Price on request 681952 Heptenophos, 10.0 µg/ml, Acetone, 10ml Price on request