PubMed · 5617562
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N B Akesson, W E Burgoyne. 1967. Spray atomization, application volume and coverage.. https://pubmed.ncbi.nlm.nih.gov/5617562/
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Dispersal of 10-14-mesh corncob granules was evaluated in 2 random-stacked tire piles, one shingle-stacked tire pile, and one column-stacked tire pile located in a used-tire storage facility in Chicago, IL. Ninety percent and 98%, respectively, of the tires in the 2 random-stacked piles contained granules. In the shingle-stacked tire pile 87% of the tires sampled contained granules, and the number of granules per tire was dependent on depth. The 2 bottom rows of tires were 73.9% less likely to contain granules than the 5 rows above them. In the column-stacked tire pile 91.2% of the tires contained granules and the relationship between granule recovery and tire depth was logarithmic. Overall, the dispersal of 10-14-mesh corncob granules was comparable to that of 8-mesh corncob granules evaluated in a previous study at this site.
A variation of the battery-powered slide impinger is described. The impinger uses a commercially available cordless screwdriver to rotate teflon-coated glass microscope slides for collection of aerosol droplets. The device is inexpensive and easy to construct.
The basic strength of the AMCA family is the wide range of expertise and "can do" attitude of its diverse membership. The AMCA is currently experiencing problems with federal legislation and fiscal stability because we have not fully utilized member strengths to reevaluate the association's direction and set new goals to address change. However, the AMCA Board of Directors and many committee chairpersons met, reevaluated direction and clarified goals, and initiated major changes to meet the challenges facing the association and its members. Members of the AMCA are encouraged to contribute their individual talents to ensure that the association prosper and serve the needs of the mosquito and vector control family.