EPA Method 630/630.1 Stock Solution #2 Back Catalog number: 40025 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70356 Dichloroacetonitrile Price on request 1633.11-100-ME Cimetidine carboxamide dihydrochloride (free base), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 110592-19-3 Price on request 2839.4-50-ME 3,3,4,4,4-Perfluorobutan-1-ol , 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 54949-74-5 Price on request