EPA Method 8270C Pesticide Mix #20 Back Catalog number: 91003 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 90840 Dimethyl sulfate Price on request C16908001 Sarafloxacin D8 hydrochloride trihydrate, certified, 10mg Price on request 2281.8-K-IPX5 4-Ethylphenol-d10, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. 352431-18-6 Price on request