2,7-Dichlorodibenzofuran, 1.2ml x 50ug/ml, nonane Back Catalog number: DF-27-S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 3896.7-100-ME Benzothiazole, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-, Cas.no. 95-16-9 Price on request 54145 Bromide (Br-) Price on request 19494 EPA Method 524 & 624 - Internal Standard Price on request