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MDP - SOPs for Laboratory Activities  
The MDP SOPs are in the Adobe Portable Document Format (PDF). Download the free Adobe Reader to view/print the documents.

Notice: The use of trade, firm, or corporation names, references to published work, and analytical methodology referred to in these SOPs is for the information and convenience of the reader. Such use does not constitute an official endorsement or approval by the U.S. Department of Agriculture of any product, service, or analytical method to the exclusion of others that may be suitable.

Laboratory Operations / Shipping  
  • MDP-LABOP-02 Sample Receipt, Elution, Preenrichment, and DNA Extraction (Rev. 18, 9/01/11) (PDF)


  • MDP-LABOP-08 Procedure for Testing and Maintenance of Control Strains (Rev. 4, 4/01/09) (PDF)

  • MDP-SHIP-03 Procedures for Packaging, Shipping, and Archiving Microbiological Cultures (Rev. 5, 9/01/11) (PDF)

Analytical Methods  
  • MDP-MTH-04 Detection of Salmonella in Fresh Produce by BAX® PCR (Rev. 5, 7/01/10) (PDF)

  • MDP-MTH-06 Isolation and Identification of Escherichia coli O157 by Immunomagnetic Separation (IMS) and Cultural Methods (Rev. 7, 9/01/11) (PDF)

  • MDP-MTH-09 Detection of Salmonella using VIDAS® Method (Rev 1, 9/25/09) (PDF)

  • MDP-MTH-10 Isolation and Identification of Salmonella using Cultural Methods (Rev. 4, 9/01/10) (PDF)

  • MDP-MTH-11 Real-time PCR Detection of Shiga-toxing Producing Escherichia coli (STEC), Serotype O157 and non-O157 in Fresh Produce and Food (Rev. 1, 9/01/11) (PDF)

  • MDP-MTH-12 BAX® System Real-time PCR Assay for Escherichia coli O157:H7 in Fresh Produce (Rev. 1, 9/01/11) (PDF)

Data Handling and Reporting  
  • MDP-DATA-01 Data Entry, Record Keeping and Results Reporting (Rev. 11, 9/01/11) (PDF)

Quality Assurance / Quality Control  
  • MDP-QA-02 Proficiency Test Samples (Rev. 4, 10/01/10) (PDF)

  • MDP-QA-03 Quality Assurance (QA) Controls (Rev. 7, 10/01/10) (PDF)

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  Last Modified Date: 02/13/2012