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United States Department of Agriculture

Agricultural Research Service

Environmental Fate and Transport Research

CalcPTF Files

Executable/Example and Source Code Files

Click here to download all Executable and Source files listed below, contained in one zipped file (, 153 kB, last updated December 2010)
  • Executable/Example Files
    1. CalcPTF.xls (426 kB)
    2. ptf.IN (1 kB)
    3. PTFG.exe (222 kB)
    4. WC.OUT (1 kB)
    5. WR.PAR (4 kB)

  • Source Code Files
    1. VGpar.for (6 kB)
    2. PTFG.for (22 kB)
Reprints (pdf)

Comments, questions, and suggestions will be gratefully received by email at

Environmental Microbial and Food Safety Laboratory
Henry A. Wallace Beltsville Agricultural Research Center, Beltsville, MD 20705
Building 173 BARC-East, Phone 301.504.5607

Last Modified: 1/29/2014