EPA Method 527 Surrogate Standard Back Catalog number: 95053 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0083.5-100MG 2-Methyl-2-butanethiol, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 1679-09-0 Price on request 0012.22-200-T Napht[1,2-a]anthracene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 195-06-2 Price on request C14867050 Mepanipyrim-2-hydroxypropyl, 10mg Price on request