CLP Program - Acid Matrix Spike Solution Back Catalog number: 19173 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3620.12-K-IO 3,3'-Difluorodiphenyl ether, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1800-48-2 Price on request 683260 Medroxyprogesterone, 100mg Price on request 80413 EPA Method 8040 - Surrogate Standard Mix Price on request