EPA Method 548.1 Analyte Back Catalog number: 30077 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3281.19-K-IO Methyl 9-trans-12-hydroxyoctadecenoate , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 7706-01-6 Price on request 677987 Isofenphos-methyl, 100 µg/ml, Toluene, 1ml Price on request 1339.31-50-IO 17 alpha(H),21ß(H)-(22R)-Homohopane, 50µg/mL in isooctane, 1ml Price on request