1,3,5-Trichlorobenzene 1000µg/mL in Hexane, 1ml Back Catalog number: EPA-1240 Availability: In the manufacturer's stock Price on request - + Recommended 50828 ICP-MS Calibration Standard Price on request 683040 Acetamiprid-N-desmethyl, 100 µg/ml, Acetonitrile, Price on request 679464 Atrazine, 100 µg/ml, Methanol, 1ml Price on request