EPA Method 8270 Additionals Back Catalog number: 94422 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679803 Sarafloxacin hydrochloride, 100 µg/ml, Methanol, Price on request S-4341-10K-HXX10 Quality Control Standard of Mineral Oils 2 2x5000µg/ml in n-Hexane i 1ml crimp-top Price on request 59490 Common Anions Mix #2 Price on request