EPA Method 508 Surrogate Standard Back Catalog number: 19042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8108.18-250MG 2,4,6-Tri-tert-butylphenol, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 732-26-3 Price on request 1348.20-100-T Benzo[b]fluoranthene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 93951-98-5 Price on request S-4140-03-10IO Nitrogen Calibration Set-Low Boiling Solvents Units: 1x1mL ampoules or 10mL screw-capped bottle Nitrogen introduced using Pyridine Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4140-0 Blank S-4140-03 0.3 Price on request