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Herbicide Reference Guide For Landowners <br /> The purpose of this guide is to provide information helpful in <br /> deciding which herbicide may be most appropriate for a small <br /> acreage landowner. There is no intended endorsement of the <br /> products listed, nor is discrimination intended towards any product <br /> that may have been omitted. This guide is not intended to <br /> substitute for a product label. Always read the label and keep in <br /> mind "the label is the law." Colorado now requires a permit <br /> called the National Pollutant Discharge Elimination System <br /> (NPDES) through the Clean Water Act for applications in or <br /> near water. Check with Colorado Department of Public <br /> Health and Environment (CDPHE ) or the Weed District <br /> before making any applications in or near water to insure <br /> compliance. This book references instances where aquatic <br /> herbicides are recommended, be sure of compliance with <br /> NPDES before proceeding with these applications. The user of <br /> any pesticide is liable for all aspects of handling the product, <br /> including but not limited to mixing, loading, application, spill <br /> control and disposal of pesticides or containers. <br /> It is a violation of federal law to use any pesticide in a manner <br /> inconsistent with its labeling, with the following four exemptions: <br /> - Application at a rate or frequency less than specified on the <br /> label. <br /> - Application on a target species not specified on the label as <br /> long as application is to the site or use specified on the label, <br /> unless the label specifically prohibits use on that specific pest. <br /> - Employing any method of application not prohibited on the <br /> label. <br /> - Mixing with a fertilizer, as long as such a mixture is not <br /> prohibited on the labeling. <br /> Acronyms and Definitions for Herbicide Reference <br /> Surfactants - Surfactants are additives to a post emergent <br /> herbicide spray solution that enhance activity and effectiveness of <br /> the herbicide. Surfactants increase spray coverage and penetration <br /> on leaf surfaces, and reduce evaporation rate, thereby increasing <br /> the amount of an herbicide that translocates into a target plant. <br />