Calibration Standard Set Back Catalog number: 53032 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-23478-S 2,3,4,7,8-Pentachlorodibenzofuran , 1.2ml x 50ug/ml, nonane Price on request 94475 Alcohol-Glycol Standard, 4000µg/ml in Water, 1ml Price on request 71999 Triclosan, 1000µg/ml in MeOH, 1ml Price on request