Cereals & Grains Association
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​Contact the Laboratory Proficiency Rating Program


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