Private Pesticide Applicator's Training Manual - University of ...

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Practices and Techniques for Waste Pesticide Reduction n Use Integrated Pest Management practices to avoid unnecessary pesticide use. n Purchase only the amount needed to reduce the need to store extra materials. Safe Handling of Pesticides Page 7-113 n Store all pesticides in a well ventilated, dry, and safe areas free from accidental mechanical contact and temperature extremes. n Make sure all containers are labeled. Management of Containers Rinsing plastic, glass, and metal containers Pressure- or triple-rinse all empty containers. All empty rigid plastic, glass, and non-pressurized metal pesticide containers must be properly rinsed before they can be recycled, disposed, or reconditioned. This is the most important step in handling of empty pesticide containers. Proper rinsing is required by federal and state regulations and is a good, sound agricultural and environmental practice. Containers that have been properly rinsed pose less hazard to people and the environment than unrinsed containers. Rinsing at the time of use allows the rinse water to be added into the spray tank. This eliminates the need to store unrinsed containers and to store the rinse water. In addition, some pesticides will solidify quickly and be difficult to clean from the container if not rinsed immediately. Properly rinsed pesticide containers should be stored separate from regular pesticide storage areas (preferably indoors), as well as separate from containers waiting to be properly rinsed. Container storage locations should be managed so that unrinsed containers are not placed with properly rinsed containers. Empty unrinsed pesticide containers must be capped, stored upright in a secure (locked) areas, and placed on an impervious surface. Unrinsed pesticide containers must be stored separate from pesticide containers that have been properly rinsed. Rinsing empty pesticide containers after the contents have dried may require additional steps and/or the use of cleansing material for rinsing. The best tactic is to rinse containers when the pesticide is used to avoid having any unrinsed containers to store. Two different procedures are effective for proper rinsing of pesticide containers: pressure-rinsing and triple-rinsing. Pressure-rinsing In pressure-rinsing, a special nozzle is attached to the end of a hose to force the remaining pesticide from the container. Pressure-rinsing, which may be faster and easier than triple-rinsing, and can be used with plastic and non-pressurized metal pesticide containers. To pressure-rinse containers: 1. Empty contents of container into spray tank, turning the container so that any product trapped in the handle is allowed to flow out. Once flow is down to a drip, allow the container to drain for an additional 30 seconds.
Page 7-114 Private Pesticide Applicator Training Manual 2. Immediately begin rinsing procedures or the product may become difficult to remove. 3. Hold the container so the opening can drain into the spray tank. 4. Force tip of the pressure nozzle through the lower portion of the side closest to the handle. 5. Connect nozzle to a clean water source of at least 40 psi. Turn the nozzle inside the container to assure good coverage of all sides, including the handle. 6. Rinse for at least 30 seconds. 7. Drain all rinse water into the spray tank. Triple-rinsing Rinse the container three times. Triple-rinsing can be used with plastic, non-pressurized metal, and glass containers. To triple-rinse containers: 1. Empty contents of container into spray tank, turning the container so that any product trapped in the handle is allowed to flow out. Once flow is down to a drip, allow the container to drain for an additional 30 seconds. 2. Immediately begin rinsing procedures or the product may become difficult to remove. 3. Fill the empty container one-fourth full of water. 4. Replace the cap on the container. With the container opening facing left, shake the container left to right over a distance of four to six inches. Shake the container about twice per second for 30 seconds. 5. Drain rinse water into spray tank as described in step 1. 6. Fill the container one-fourth full with clean water a second time. 7. Recap the container. With the opening of the container pointed toward the ground, shake the container as described in step 4. Then drain the rinse water into the spray tank. 8. Finally, fill the container one-fourth full with clean water a third time. 9. Recap the container. With the container in the normal, upright position, shake the container as you did before. Shake with a four- to six-inch vertical motion, twice per second for 30 seconds. 10. Pour the rinse water into the spray tank. Carefully rinse and spray residue from the outside of the container. There have been recent changes in Minnesota law affecting on farm waste disposal. Currently, the only legal way of disposing of pesticide containers is in an approved landfill or recycling and reconditioning. It is illegal to bury or burn any type of pesticide container on Minnesota farms. Check with local authorities, state agencies, or your local county extension office for more information.
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ADDITIONAL INFORMATION & REFERENCES
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Water Quality Best Management Pract
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