EPA Method 525.2 - IS/SS Mix Back Catalog number: 37031 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11410.17-K-ME Norhydrocodone hydrochloride,1000 µg base/mL,MeOH,1mL, Price on request 1664.8-K-IO 1,2-Dichlorooctane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 21948-46-9 Price on request 94996A Fluorobenzene Price on request