EPA Method 531.1 - Analytes Mixture Back Catalog number: 33042R Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679801 Ofloxacin, 100 µg/ml, Methanol, 1ml Price on request 1338.31-50-IO 17 alpha(H),21ß(H)-(22S)-Homohopane, 50µg/mL in Isooctane, 1ml Price on request 2128.12-K-IOX5 Arochlor 1254, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 11097-69-1 Price on request