Image Number D907-1 |
(From left) Lynn Swarthout, driver for Agricultural Chemicals Development Services, Inc., Emy Pfeil, physical scientist, and Paul Schwartz, coordinator of the ARS IR-4 program, unload frozen sweetpotato, cabbage, peach, and coriander samples from IR-4 field trials in Tennessee, California, Colorado, and Texas. The samples will be analyzed for pesticide residues in Pfeil’s Beltsville, Maryland, laboratory.
Photo by Peggy Greb.