EPA Method 8250/8250A Cal Check Cmpds Acids Back Catalog number: 82508 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50658 Fluoride (F -) Price on request 1653.13-100-IO 1,1,1,3-Tetrachlorotridecane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 67095-50-5 Price on request 9466.8-10MG (S)-Pregabalin, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 148553-50-8 Price on request