EPA Method 8315 Calibration Mix #1 Back Catalog number: 83509 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679306 D4-Difenoconazole, 100 µg/ml, Acetonitrile, 1ml Price on request 8915.14 6-Methyl-2',3,4,6'-tetrachlorodiphenylmethane, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. Price on request X9111 Heptachlor Price on request