3,6-Dichloro-9H-carbazole, 1.2ml x 50ug/ml, nonane Back Catalog number: CCZ-36 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 93188 EPA Method 528 Internal Standard Price on request S-4052-20-10LW Sulfur Calibration Mixtures: Di-n-butyl sulfide in Light White Oil (less than 20mg/kg S) Unit : 10mL screw-capped bottle Light White Mineral Oil Heavy White Mineral Oil (20 cSt at 40°C) (70 cSt at 40°C) Price on request 30070 EPA Method 502/524 Surrogate Standard #1 Price on request