EPA Method 502.2 Surrogate Standard Back Catalog number: 91704 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 36055 EPA Method 552.2 - Haloacetic Acids, 1000µg/ml in in MTBE, 1ml Price on request DD-1478-S 1,4,7,8-Tetrachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane Price on request 97037 N,N-Dimethylformamide Price on request