Calibration Standard Mix 1 Back Catalog number: 53043 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended AHCH a-1,2,3,4,5,6-Hexachlorocyclohexane, 1.2mL x 100ug/mL, nonane Price on request 30007 EPA Method 525.2 Pesticide Mix #8 Price on request 675416 PSA-C18-Mix 10 Price on request