Method 8121 - Surrogate Standard Back Catalog number: 95989 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MPN-54 1,2,3,6,7-Pentachloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane Price on request 2732.29-100-HX-X5 24-Ethylcholest-5-en-3ß-ol, 100µg/mL, Solvent-n-hexane, Unit 1mL, # of units-5, Cas.no. 83-46-5 Price on request 59643 NIOSH 7903 - Inorganic Acid Scan Price on request