Perchlorate Level 2 Back Catalog number: 59340 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1998.10-10MG Octachloronaphthalene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 2234-13-1 Price on request 94250 Chlorinated Organics Standard Price on request 8611.3-K-ME 1-Chloro-3-propanol, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 627-30-5 Price on request