EPA Method 8141 / 1618 Pesticide Mix B Back Catalog number: 91398 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0686.29-100-IO (24S)-24-Ethylcholesta-3,5,22-triene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 102491-96-3 Price on request 59340 Perchlorate Level 2 Price on request 3023.6-1ML 4-Methyl-cis-2-pentene, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 691-38-3 Price on request