For issues related to username/password login issues, review of results, or data entry, please contact:
Laboratory Proficiency Rating Program
Tel: +1.217.693.4810
Email: technical@aocs.org
For issues related to subscription enrollment, change of analyst contact, or shipping issues, contact:
Laboratory Proficiency Rating Program
Tel: +1.651.454.7250 Ex. 131
Email: checksample@cerealsgrains.org
For technical questions about the Laboratory Proficiency Rating Program, contact:
Laboratory Proficiency Rating Program
Email: techcheck@cerealsgrains.org
