EPA Method 525.2 Pesticide Level 5 Back Catalog number: 92842 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59211 Anion Mix #2 Price on request DD-123789-S 1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin , 1.2ml x 50ug/ml, nonane Price on request 55016 WS pH @ 25°C Price on request