EPA Method 552.2 - Surrogate Standard Back Catalog number: 30109 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0936.6-100MG 2-Ethylthiophene, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 872-55-9 Price on request 689104 D6-Dimethachlor Metabolite CGA 369873, 100µg/ml in AL, 1ml Price on request 683351 3-Hydroxybenzoic acid, 1000mg Price on request