Herbicide Free Acids Standard Back Catalog number: 94103 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended BDF-247 2,4,7-Tribromodibenzofuran, 1.2ml x 50ug/ml, toluene Price on request 91703 EPA Method 502.2 Internal Standard Price on request DD-27-S 2,7-Dichlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane Price on request