2,3,6,7-Tetrachloroxanthene , 1.2ml x 50ug/ml, toluene Back Catalog number: XE-2367-S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 1530.13-K-IOX5 Fluorene-d10, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 81103-79-9 Price on request S-4251-SET Aromatics Calibration Standards Kit (3 Internal Standard Version) 24 Analytes + 3 ISTD, each Vol.% as listed in isooctane; units: 5x1mL Set, one of each Std. 1-5 + opt. 1x1mL (Std. 6) To these calibration standards are 3 deuterated Internal Standards Price on request 53143 EPA 1620 Standard 5 Price on request