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back toward the injection pump. The pesticide injection pipeline must contain a functiona l, <br />norma lly closed, solenoid-operated valve located on the intake side of the injection pump and <br />connected to the system interlock t o prevent fl ui d fro m being withdrawn from the supp ly tank <br />when the irrigation system is either automatically or manually shut down. <br />See Treatment Instructions, below. <br />SPRINKLER CHEMIGATION : <br />The system must contain functiona l interlockin g controls to automatically shut off the pesticide <br />injection pump when the water pump motor stops, or in cases where there is no water pump, <br />when the water pressure decreases to the point where pesticide distribution is adversely affected. <br />Systems must use a metering pump, such as a positive displacement injecti on pump (e.g., <br />diaphragm pump) effectively designed and constructed of materials that are compatible with <br />pesticides and capable of being fitted with a system interlock. The system must contain a <br />functional check valve, vacuum relief valve, and low pressure dra in appropriately located on the <br />irrigation pipeline to p revent water source contamination from backflow. The pesticide injection <br />pipeline must contain a functional, automatic, quick-closing check va lve to prevent the flow of f luid <br />back toward the injection pump. This pipeline must also contain a functional , normal ly closed , <br />solenoid-operated va lve located on the intake side of the injection pump and connected to the <br />system interlock to prevent fluid from being wit11drawn from the supply tank when the irrigation <br />system is either automatically or manually shut down. The system must contain functional <br />interlocking controls to automatica ll y shut off the pesticide injection pump when the water pump <br />motor stops. The irrigation line or water pump must include a functional pressure switch which will <br />stop the water pump motor when the water pressure decreases to the point where pesticide <br />distribution is adversely affected. Systems must use a metering pump, such as a positive <br />displacement injection pump (e.g., diaphragm pump) effectively designed and constructed of <br />materials that are compatible with pesticides and capab le of being fitted with a system interlock. <br />TREATMENT INSTR UCTIONS: <br />Do not appl y when wind speed favors drift beyond the area intended for treatment. When mixing, <br />fil l nurse tank h alf full with water. Add Copper Sulfate Crysta ls slowly to tank whlle hydraulic or <br />mechanica l agitation is operating and continue filling with water. Stickers, spreaders, <br />insecticides, nutrien ts , etc. should be added last. If compatibility is in question, use the <br />compatibility jar test before mixing a whole tank. Because of the wide variety of possible <br />combinations wh ich can be encountered, observe all cautions and limitations on the label of all <br />products used in mixtures. Copper Su lfate Crystals should be added through a traveling irrig ation <br />system continuous ly or at the last 30 minutes of solid set or hand moved irrigation systems. <br />Agitation is recommended. <br />ST ORAGE AND DISPOSAL <br />Do not contaminate water, food or feed by storage or disposal. <br />PESTICIDE STORAGE: Keep pesticide in original container. Do not put concentrate or dilutions <br />of concentrate in food or drink containers. <br />PESTICIDE DISPOSAL: Pesticide wastes are acutely hazardous . Improper disposal of excess <br />pesticide, spray mixture, or rinsate is a violation of Federal law. If these wastes cannot be <br />disposed of by use according to label instructions, contact your State Pesticide or Environmental <br />Control Agency, or the Hazardous Waste representative at the nearest EPA Regional Office for <br />guidance. Open burning and dumping is prohibited. <br />CONTAINER HANDLING: Nonrefillab le container (bag). Do not reuse or refill this container. <br />Completely empty bag into application equipment. Offer for recycling, if available . Or, dispose of <br />empty bag in a sanitary landfill or by incineration. or if a ll owed by state and local authorities. by <br />burning. If burned, stay out of smoke. <br />(FOR RIGID, NONREFI LLAB LE CONTAINERS, EQUAL TO OR LESS THAN 50 LBS) <br />CONTAINER HANDLING : Nonrefillable container. Do not reuse or refill this conta iner. Triple rinse <br />container (or equivalen t) promptly after emptying Triple rinse as follows : Empty the remaining <br />contents into application equipment or a mix tank. Fill the container Y.. full with water and recap. <br />Shake for 1 0 seconds. Pour rinsate into application equipment or mix tank or store rinsa te for <br />later use or disposal. Drain for 10 seconds after the f low begins to drip. Repeat this procedure <br />two more times. Then, offer for recycling , if available, or puncture and dispose of in a sanit ary <br />landfill , or by incineration. <br />ll <br />6.3.A. - Page 134