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Table 5 Residues and DRI values for Chlorpyrifos Detected in US-Grown, conventional foods in 1999 PDP testing [Rule of 10 imposed]

From: The dietary risk index system: a tool to track pesticide dietary risks

Food Total Samples Number of Positives Percent Positive Mean of Positives (ppm) cRfC (ppm) Serving Size (g) Positive Samples DRI-M FS-DRI Percent FS-DRI
Apples-Single Servings 1354 416 30.7% 0.0374 0.0483 99 0.774 0.2378 52.9%
Apples 360 79 21.9% 0.0207 0.0483 99 0.428 0.0938 20.9%
Sweet Bell Peppers 515 24 4.7% 0.0815 0.0783 61 1.041 0.0485 10.8%
Pears-Single Servings 275 2 0.7% 0.119 0.0404 119 2.93 0.0213 4.74%
Pears 279 2 0.7% 0.0785 0.0404 119 1.94 0.0139 3.10%
Tomatoes 219 8 3.7% 0.0133 0.0500 96 0.265 0.0097 2.16%
Spinach, Frozen 693 47 6.8% 0.0114 0.0923 52 0.123 0.0084 1.86%
Cucumbers 377 4 1.1% 0.0430 0.0785 55 0.496 0.0053 1.17%
Strawberries 602 6 1.0% 0.0230 0.0500 96 0.460 0.0046 1.02%
Cantaloupe 548 9 1.6% 0.0122 0.0450 107 0.272 0.0045 0.99%
Tomatoes, Canned 352 6 1.7% 0.0050 0.0595 81 0.0840 0.0014 0.32%
Total Number of Samples: 5574         
Total Detections and DRI Across All Foods:   603      8.81 0.449  
Average Residues Detected per Sample:   0.108        
Number of Foods with Chlorpyrifos Detected: 11