Profile: Horizon Technology, Inc. is a manufacturer of automated sample preparation systems for the analysis of organic compounds in aqueous samples and oil & grease testing. Our SPE-DEX 4790® automated extraction system is a fully automated sample preparation system designed to process samples for trace level analysis of organic chemical contaminants from aqueous samples. Our Atlantic™ SPE disk is used to extract analytes from water samples, both drinking water and waster water. Our DryDisk® separation membrane is a disposable sample preparation device that provides a simple approach for removing residual water from non-polar solvents.