EPA Method 525.2Mix #1 Back Catalog number: 92207 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10226.11-100-ME iso-Butyl 4-hydroxybenzoate-2,3,5,6-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1219805-33-0 Price on request 10629.12-50-T 1,2,3,4,6,7,8-Heptachlorodibenzo-p-dioxin Price on request DD-12378-S 1,2,3,7,8-Pentachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane Price on request