VPH Primary Calibration Rev 1.1 Back Catalog number: 51167 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2126.12-10-IOX10 Arochlor 1242 , 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 53469-21-9 Price on request 92477 VRX 8260 IS & Surrogate Standard Price on request C11601300 Chlorpyrifos-methyl-desmethyl sodium, 25mg Price on request