Gas Internal/Surrogate Standard Back Catalog number: 92805 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1838.8-1G p-Toluic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 99-94-5 Price on request 97937 PAH Mix #2 Price on request 36055 EPA Method 552.2 - Haloacetic Acids, 1000µg/ml in in MTBE, 1ml Price on request