EPA Method 8141 / 1618 Pesticide Mix B Back Catalog number: 91398 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0975.27-10-IO d4 C27 alpha alpha alpha (20R)-Cholestane, 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 205529-74-4 Price on request 9126.4-K-IO Mono-n-butyltin-d9 trichloride, 1000µg/mL in Isooctane, 1ml Price on request 683859 Halosulfuron-methyl, 100 µg/ml, Acetonitrile, 5m Price on request