№ lp_1_2_18365
This document is a certification letter that verifies the approval of aggregate materials for use in Illinois Department of Transportation projects, including compliance with specified standards and testing protocols.
Year: 2023
Region / city: Springfield, Illinois
Topic: Aggregate material certification for transportation contractors
Document type: Certification letter
Organization / institution: Central Bureau of Materials (CBM)
Author: Not specified
Target audience: Department of Transportation contractors
Effective period: Until rescinded
Approval date: Not specified
Modification date: Not specified
Price: 8 / 10 USD
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