EPA Method 8121 Surrogate Standard Back Catalog number: 81204 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1853.16-100MG 1,8-Anthracenedicarboxylic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 93655-34-6 Price on request 79423 2-Chloroethyl vinyl ether Price on request 57014 Silicon (Si), 1000µg/ml in 2%-HNO3/Water, 100ml Price on request