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cessive residue levels,
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modifies from the market. The department also , makes every effort to loca te the source of the probl em and seeks action to mini mlze future occurrences, VDA also has the responsibllit y for controlling harmful pi ant pests ' in Virginia, and itfs pesticide 1 program follows approved !
methods of application conduct \ ed under a monitoring pro- 1 gram." Several divisions of the VDA work together to carry out these programs in accordance with guidelines prescribed by the FDA and the* United States Department of Agriculture. During the p;ast year VDA tested 6,231 samples in its harmful resid ue.-s laboratory. The FDA “total diet" studies were designed i:o reveal the presence of herbicides and fungicides, as well as organophosphate and chlorinated pesticides. Preparations such as Dieldrin, Aid rin, Lindane, Heptachlor, and the like are among the chlor Lnated types. The analytical testing methods utilized, which are capable of detecting very minute quantities; of residues, showed that the harmful residue levels found in the samples checked were ve ry low—generally less than one per cent of the safe leg al tolerance. Many of the most commonly used pesticides werenotfound at all. The 1964: tests showed lowen residue levels than those of earlier studies. Samples used ! by FDA represented 12 majo: r food groups, including meats , fruits, vegetables, and othier commodities. They cariie from three U. S. regions a nd were purchased direct f rom retail outlets in market ’baskets. Trained dieticians p repared the specimens for the table, and composite sam pies were then tested In FDA. laboratories.
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