EPA Method 507 Analyte Mix #8 Back Catalog number: 94131 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 90125 Aroclor 1232 Price on request 673692 Pyriproxyfen, 100 µg/ml, Ethyl acetate, 5ml Price on request 10906.16-10MG Methoxychlor-d6 (dimethoxy-d6),neat,neat,10mg, Price on request