Modified 525.2 Pesticide Standard #1 Back Catalog number: 31006 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79265 Tetrachloroethene Price on request 2857.18-50-ME 1H,1H-Perfluorooctadecan-1-ol , 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 242142-82-1 Price on request 0460.15-10MG 2-Methylanthracene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 613-12-7 Price on request