For your convenience, Diversified Laboratories offers a Weekend Service every Saturday.

Package sample(s) according to the instructions listed for Fats and Oils or Tissues and Feeds.

  • Obtain an Air Bill form from FedEx.

  • Under "Recipients Name" fill in "FedEx", as well as their local Herndon, Virginia address in the appropriate fields.

    Please use the address: 

    Diversified Laboratories
    13500 EDS Dr. 
    Herndon Va 20171

  • Under "Company" list Diversified Laboratories, as well as our phone number (703)222-8700.

  • Select FedEx Priority Overnight under section 4a of the Air Bill form.

  • Be sure to mark "HOLD FOR SATURDAY at FedEx location" which is located on your Air Bill form either under Section 6: Saturday Delivery OR beside the company name. (please refer to this example of a correct Air Bill form).


  • We also ask that you mark in BOLD lettering on the outside of the package "HOLD FOR SATURDAY PICKUP AT FEDEX OFFICE," or contact us and ask for our "hold for saturday" neon stickers to ensure your packages arrive at the correct destination.

Please provide an emergency name and phone number in case of any problems.

Your Certificate of Analysis will be emailed or faxed to you by 2:30 pm Saturday. 
A Weekend Fee will be applied to each sample received.


Weekend Contact Numbers: Peter Kendrick (CEO): 703-850-1147 Thomas Scott (Laboratory Director): 813-382-5804

Saturday Testing

4150 Lafayette Center Drive Suite 600 Chantilly Va 20151 Phone: (703)-222-8700