EPA Method 8250/8250A Cal Check BNS Back Catalog number: 82507 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10077.4-K-ME N-Nitropiperazine-2,2,3,3,5,5,6,6-d8, 1000µg/mL, Solvent-methanol, Unit 1.1mL, # of units-1, Cas.no. Price on request 3659.6-1ML 1,4-Dibromobenzene, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 106-37-6 Price on request 679746 Ciprofloxacin HCl monohydrate, 100μg/ml in MeOH, 1ml Price on request