EPA Method 8040 - Surrogate Standard Mix Back Catalog number: 80413 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3512.12-100 Tetrasul, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 2227-13-6 Price on request 12116.18-100MG Clindamycin hydrochloride,neat,neat,100mg, Price on request 680915 Carboxin, 10.0 µg/ml, Acetonitrile, 10ml Price on request