1,1-Difluoroethane, 20mg/mL in MeOH, 1ml Back Catalog number: 34411 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677919 Profluralin, 100 µg/ml, Ethyl acetate, 1ml Price on request 72644 N-Nitrosodiethylamine-d10 Price on request 95227 EPA Method 525 Internals & Surrogates Price on request