EPA Method 505/507 - Pesticide Standard Back Catalog number: 91936 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-11455A1-1ML Chlorotoluron, 100µg/ml in Acetonitrile, 1ml Price on request 10629.12-50-NN 1,2,3,4,6,7,8-Heptachlorodibenzo-p-dioxin ,50 µg/mL,n-nonane,1mL, Price on request 59082 Metals Mix #2 Price on request