EPA Method 515.1 Surrogate Standard Back Catalog number: 30022 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8647.12-50-T 1,2,3,8,9-Pentachlorodibenzo-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. Price on request 40001 EPA Method 601 - Purgeables Mix #1 Price on request CA14031500 Glufosinate-N-acetyl, certified, 10mg Price on request