Calibration Std. #1 Back Catalog number: 59892X Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71254 2,5-Dichlorophenol Price on request 11701.12-100-IO 2,3',4',5-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 11339.21-K-ME (-)-trans-11-Nor-9-carboxy-Δ9-THC, 1000µg/ml in MeOH, 1ml Price on request