EPA Method 8040 - Surrogate Standard Back Catalog number: 80403 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72262 Sulfamerazine, 1000µg/ml in MeOH, 1ml Price on request 8988.8-100MG 4-(Trifluoromethyl)cyclohexan-1-carboxylic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 95233-30-0 Price on request D491652 5,5-(Diphenyl-d10) Hydantoin, 5mg Price on request