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iLab Process Documentation for Gas Demurrage from Indiana Oxygen

The iLab billing process for gas demurrage from Indiana Oxygen company has been modified as follows:

  1. Demurrage charges on WBS numbers will be uploaded on iLab by 5th of every month. There will be a 10-day window for departments to approve the charges on iLab and update any missing payment information after which the billing will auto post on iLab.
  2. Demurrage charges on internal orders will be uploaded through a journal entry by 10th of every month.
  3. AOBO will work with the departments for updated payment information on charges that have invalid WBSE/IO and could not be uploaded on iLab/JV respectively.
  4. Any correction to payment information on past iLab charges should be sent to MMADBilling@purdue.edu for processing. AOBO will process the change and confirm within 7 days.
  5. Any changes to future payment information (Cylinder demurrage account change form) should be docusigned by the department and sent to purdue@indianaoxygen.com with a copy to MMADBilling@purdue.edu. AOBO does not need to be on the approval path for the Docusign.
  6. Addition of an account to a person/lab for AO iLab billing core should be sent to brmccaul@purdue.edu and trapp5@purdue.edu
  7. To return a cylinder, please complete the Empty Cylinder Pickup Form.

Key Contacts

ProcessContact PersonEmail
Cylinder orderKelly Pannebakerkpanneba@purdue.edu
Cylinder returnCoty Powell (Indiana Oxygen), Kelly Pannebaker (Purdue)purdue@indianaoxygen.com kpanneba@purdue.edu
iLab correctionAmy TrappMMADBilling@purdue.edu
Cylinder demurrage account changeEric Bailey (Indiana Oxygen), Alli Haase (Purdue)purdue@indianaoxygen.com MMADBilling@purdue.edu
AO iLab billing – Account additionAmy TrappMMADBilling@purdue.edu
iLab user additionDepartment Business Office
iLab invoice approvalDepartment Business Office
iLab Technical HelpHugh Gardnerilabhelp@purdue.edu

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Last modified: April 17, 2026

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