GFAA Initial Calibration Verification Back Catalog number: 53315 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11708.12-100-IO 2,2',3,3',4-Pentachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 83593 4-Nitrophenol Price on request 9475.18-10MG Iprovalicarb, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 140923-17-7 Price on request