Supplemental Calibration Solution, 500ul, nonane Back Catalog number: EPA-8290HRCC0.5 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 81414 Malathion, 1000µg/ml in Hexane 1ml Price on request 1350.1-1ML Chloroform, in Certan bottle, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 67-66-3 Price on request LA14075000CY epsilon-HCH, 10 ng/µl, 1ml Price on request