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PORTABLE SECONDARY CONTAINMENT PAD
Summary:
A portable pad can be used to collect residual liquids from pesticide loading, mixing, washing, or rinsing operations, making them available for use in the next application. The pad not only prevents unnecessary pesticide exposure to the environment, but also ensures compliance with applicable environmental and agricultural regulations.

 

Applicable Regulations
State of Michigan Act 451 Part 83.

 

Overview of Procedure
A portable pad is placed under the pesticide application equipment prior to loading, mixing, washing, or rinsing operations. Any spillage and all rinsate is collected by the pad and placed back in the application device (rinsates are held in equipment tank or reservoir and used as diluents during next application).

The University of Michigan (U-M) Grounds & Waste Management Services Department uses an inflatable pad constructed of 45 mil reinforced geomembrane with a tensile strength of 2,300 pounds. The membrane vinyl is oil resistant and is highly resistant to a broad range of chemicals. The geomembrane is not susceptible to temperature changes or UV rays.

Any U-M employee who applies pesticides as a part of their regular job responsibilities must be certified and/or registered in accordance with MDA Regulation R 285.636.

 

Waste Minimization Procedure
The initial step is to consider if there are non-chemical controls that can be implemented to manage the particular pest problem. When chemicals must be used, consider all selection factors as outlined in your company's IPM plan and select the least toxic, least persistent active ingredient. Also, determine the best formulation and delivery method to minimize off target drift for outdoor application.

Next, set up mixing and loading equipment on the pad to collect all spillage. At the completion of application, rinse all equipment on the pad and return the rinsate to the holding tank for reuse as a diluent.

 

Known Limitations
None known.

 

Safety & Health Precautions/Personal Protective Equipment
Follow all applicable safety and health protocols and regulations as established by your institution.

 

Benefits
A portable containment pad can be set up in any suitable location to collect spillage (from loading/mixing operations) and rinsate (from washing/rinsing operations), making the pesticide available for subsequent use and preventing contamination of the environment.

 

Disadvantages
None known.

 

Project Related Costs
Information obtained from Hunter Agri-Sales indicates the pad comes in standard sizes ranging from 12' x 10' to 36' x 40' and can be customized to fit specific containment needs. The price ranges from $707 for a 12' x 10' to $3,040 for a 36' x 40' pad.

 

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