EPA Method 602 - Surrogate Standard Back Catalog number: 19097 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9138.7-1G Mesalazine, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 89-57-6 Price on request 9400.19-10MG Doxepin hydrochloride Price on request S-4881-500-WX10 Congener alcohols, 500μg/ml in Water, 10 x1ml Price on request