EPA Method 525 Surrogate Standard Back Catalog number: 93971 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2124.12-10-IOX5 Arochlor 1016 , 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 12674-11-2 Price on request M8FOSA-I Perfluoro-1-[13C8]octanesulfonamide, 1.2ml x 50ug/ml, isopropanol Price on request 98234 Benzene [50 ppm] Price on request