1. AGGREGATE,EXPANDED CLAY/SHALE,SIZE 3 D04 Arcadia Maintenance Unit (Bienville Parish) EXPANDED CLAY/SHALE FOR ASPHALTIC SURFACE TREATMENT MUST MEET THE REQUIREMENTS OF DOTD MS SPEC 274-006, REVISED 7/13/2023 AND BE AN APPROVED PRODUCT FROM THE APPROVED MATERIALS LIST (AML) FOR AGGREGATES. 2. AGGREGATE,EXPANDED CLAY/SHALE,SIZE 3 D04 Bossier City Maintenance Unit (Bossier Parish) EXPANDED CLAY/SHALE FOR ASPHALTIC SURFACE TREATMENT MUST MEET THE REQUIREMENTS OF DOTD MS SPEC 274-006, REVISED 7/13/2023 AND BE AN APPROVED PRODUCT FROM THE APPROVED MATERIALS LIST (AML) FOR AGGREGATES. 3. AGGREGATE,EXPANDED CLAY/SHALE,SIZE 3 D04 Coushatta Maintenance Unit (Red River Parish) EXPANDED CLAY/SHALE FOR ASPHALTIC SURFACE TREATMENT MUST MEET THE REQUIREMENTS OF DOTD MS SPEC 274-006, REVISED 7/13/2023 AND BE AN APPROVED PRODUCT FROM THE APPROVED MATERIALS LIST (AML) FOR AGGREGATES.