EPA Method 8330 - Calibration Mix #1 Back Catalog number: 83525 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11896.13-10MG Lacosamide, 10mg Price on request 675902 Propylene thiourea, 250mg Price on request 2527.11-100MG 4-Isobutylbenzoic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 38861-88-0 Price on request