Table 2. Sample dates and phosmet residues found on pooled samples of Mcintosh apple. Also 

 included are the dates of the last phosmet application. 1999 Phosmet Bridging Study. 



1. N.D: no residues were detected on a specified number of pooled samples collected on that date. 



2. Harvest date. 



appropriately until later analysis. 



After the initial collection period (end of June) had been 

 completed, the EPA published two relevant draft guidelines 

 which resulted in a modification of the above protocol to 

 comply more closely with EPA guidance. Specifically, we 

 henceforth collected three composite samples from each 



treatment block on each sample date, with the last sample 

 date corresponding to the pre-harvest interval (PHI) for the 

 material. By the time the draft EPA guidance was published 

 (7/29/99), it was impossible to comply with certain suggested 

 aspects of the EPA protocol, mcluding collection of a con- 

 trol sample prior to any application of pesticide or collec- 



Fruit Notes, yolume 65, 2000 



51 



