EPA Method 525 Surrogate Standard Back Catalog number: 93971 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8:2PAP Sodium 1H,1H,2H,2H-perfluorodecylphosphate, 1.2ml x 50ug/ml, methanol Price on request 9862.27-50-IO C27 Triaromatic sterane, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 80382-32-7 Price on request 11728.12-100-IO 2,3',4,5',6-Pentachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request