EPA Method 508 Standard Back Catalog number: 92358 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1160.40-100-IO n-Tetracontane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 4181-95-7 Price on request 71309 N-Methyldiethanolamine Price on request S-4711-500UL PIONA Mix.1 - Isoparaffins 36 Isoparaffins with varying Wt.% as listed below; units: 0.1mL, 0.5mL neat. Chiron No. Name: Wt.% Chiron No. Name: Wt.% 1231.5 2-Methylbutane Price on request