United States Department of Agriculture

Agricultural Marketing Service

Science & Technology

Pesticide Data Program

Annual Summary Calendar Year 1998
Pesticide
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Pesticide Data Program - Annual Summary, Calendar Year 1998

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Pesticide Data Program (PDP)

Annual Summary, Calendar Year 1998















Pesticide Data Program - Annual Summary, Calendar Year 1998

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Pesticide Data Program - Annual Summary, Calendar Year 1998

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a pesticide tolerance is defined as “a reasonabl e Residues exceeding the tolerance were detected in 0.15

from aggregate percent of all composite samples tested in 1998.

Appendix A

Commodity History

(A Chronological Listing)

 Appendix A shows a chronological listing of all commodities sampled since the

inception of the program through 1999.
APPENDIX A. COMMODITY HISTORY

Fresh Commodities


Appendix B
 APPENDIX B. SAMPLE ORIGIN BY GROWER, PACKER, OR DISTRIBUTOR

(Number of Samples per State/Country)

Part 1. Domestic Samples
Pd2t 2. Impo2ted Samples
Processed F&V No. of % of 

AJ GB GJ OJ SP SZ WZ MK Mixed Total
Appendix C

Quality Assurance Program Elements

PDP’s Quality Assurance (QA) program covers all aspects of data gathering, from

sample
Appendix C. Page 1 of 2
Appendix C. Page 2 of 2

spike mixtures (to avert coelution problems), which, in turn, resulted in lengthy run times.

During 1998, PDP laboratories quantitated a total of 29,380 matrix spikes, with an overall mean

recovery of 92% and overall standard deviation of 25%.

d. Process Control Spike: A compound of physical and chemical characteristics, similar to

those of the pesticides being tested, is used to evaluate the analytical process on a sample-bysample basis. Each of the analytical set components, except the reagent and matrix blanks,

is spiked with process controls. During 1998, PDP laboratories quantitated a total of 36,248

process controls on 8,500 samples, with an overall mean recovery of 94% and overall standard
Appendix D

Import vs. Domestic Pesticide Residue Comparisons

PDP was designed to provide a comprehensive statistical picture of pesticide

residues in the U.S. food supply, representing all sources including imports. Most
Origin Year

# of 

Samples 

Analyzed

# of Samples 

w/ Detections

% of Samples 

w/ Detections

# of Residues 

Detected

United States 1997 258 90 35 173

1998 347 146 42 208

1997-1998 605 236 39 381

Mexico 1997 161 71 44 107

1998 170 68 40 110

1997-1998 331 139 42


Appendix E

Distribution of Residues by Pesticide 

in Fruit and Vegetables 

In

Pesticide
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Appendix F 

Distribution of Residues by Pesticide in Milk

Appendix F shows residue detections for all milk samples tested for pesticides,

minimum and maximum concentrations repor

Pesticide

Total 

Samples 

Screened

Samples 

with 

Detections

% of 
Pesticide

Total 

Samples 

Screened

Samples 

with 

Detections

% of 
Pesticide

Total 

Samples 

Screened

Samples 

with 

Detections

% of 
Pesticide

Total 

Samples 

Screened

Samples 

with 

Detections

% of 
Appendix G 
Pesticide

Total 

Samples 

Screened

Samples 

with 

Detections

% of 

Samples w/ 

Detections

Range of 

Values 

Detected, 

ppm LODs, ppm

EPA 

Tolerance 

Level, ppm

Codex 
Pesticide

Total 

Samples 

Screened

Samples 

with 

Detections

% of 

Samples w/ 

Detections

Range of 

Values 

Detected, 

ppm LODs, ppm

EPA 

Tolerance 

Level, ppm

Codex 

MRL/EMRL 

ppm
Appendix H 

Distribution of Residues by Pesticide in Corn Syrup

Appendix H shows residue detections for all corn syrup samples tested for

pesticides,
APPENDIX H. DISTRIBUTION OF RESIDUES BY PESTICIDE IN CORN SYRUP

Pesticide
Pesticide

Total Sd-ples 

Screened

Sd-ples 

with 

Detections

% of 

Sd-ples w/ 

Detections

Range of Values 

Detected, ppm LODs, ppm

DDE o,p' 298 0.001^

DDE p,p' 298 0.002^

DDT o,p' 298 0.001^

DDT p,p' 298 0.001^

Demeton-S sulfone 274 0.002^

Diazinon 298 0.002^

Dichlorvos-DDVP 298 0.001^

Dicloran 298 0.004^

Dicofol o,p' 189 0.001^

Dicofol p,p' 298 0.001^

Dieldrin 298 0.002^

Dimethoate 274 0.001-0.003

Disulfoton 60 0.010^

Disulfoton sulfone 60 0.002^

Diuron 59 0.010^
Pesticide

Total Sd-ples 

Screened

Sd-ples 

with 

Detections

% of 

Sd-ples w/ 

Detections

Range of Values 

Detected, ppm LODs, ppm

Ld-bda cyhalothrin (insecticide) 298 0.001^

Ld-bda cyhalothrin isomer 298 0.001^
Pesticide

Total Sd-ples 

Screened

Sd-ples 

with 

Detections

% of 

Sd-ples w/ 

Detections

Range of Values 

Detected, ppm LODs, ppm

Propachlor (herbicide) 286 0.004-0.013

Propargite 285 0.008^

Propiconazole (fungicide) 298 0.008^



Appendix J 

Cumulative Distributions of Residues for Selected

Pesticide/Commodity Pairs

In Appendix J, the concentrations detected (in parts per million, except wher
Percentiles

Concentration - (parts per million)

Acephate / Green Beans
Percentiles

Concentration - (parts per million)

Malathion / Soybeans
Percentiles

Concentration - (parts per million)

Methomyl / Strawberries (Fresh)

60

1.0

1.2

1.4

1.6

1.8

2.0••••••
Percentiles
Appendix K


Appendix L

Samples Reported to FDA as Exceeding the Tolerance 

or Without Established Tolerance

(per Code of Federal Regulations, Title 40, Part 180)

Appendix L shows residues reported to FDA as exceeding the tole

Pesticide

Samples 

Screened

Samples 

Reported% of Samples 

Range of Values 

Detected, ppm

Range of 
Pesticide

Samples 

Screened

Samples 

Reported % of Samples 

Range of Values 

Detected, ppm

Range of 

LODs, ppm

EPA 

Tolerance 

Level, ppm

12 Tomatoes

Acephate 717 4 0.6 0.008 - 0.033 0.002 - 0.010 NT

Demeton-S sulfone 108 1 0.9 0.076 ^ 0.003 - 0.005 NT

Iprodione 717 3 0.4 0.025 - 0.13 0.015 - 0.050 NT

Vinclozolin 717 4 0.6 0.012 - 0.10 0.006 - 0.010 NT

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