EPA Method 8080 - Surrogate Standard Back Catalog number: 90435 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677425 Tilmicosin, 100mg Price on request 8481.22-500MG Diltiazem hydrochloride, neat, Solvent-neat, Unit 500mg, # of units-1, Cas.no. 33286-22-5 Price on request 677984 Phosalone, 100 µg/ml, Toluene, 1ml Price on request