EPA Method 525 Pesticide Standard Sub Conc Back Catalog number: 98307 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended PFOS-001S Perfluorooctane sulfonic acid, 100µg/ml in MeOH, 1ml Price on request 2231.20-10-AN Ochratoxin A, 10 µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 303-47-9 Price on request 8911.14 3-Methyl-2,2',4,6'-tetrachlorodiphenylmethane, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. Price on request