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🧪Materials Instructional Memorandums (IMs)
Materials Instructional Memorandums (IMs)
WebIowa Department of Transportation (Iowa DOT)2023 Standard Specifications
Iowa DOT Materials IMs provide test method and acceptance procedures for construction materials.
Iowa uses "IMs" — Instructional Memorandums
Local terminology: Iowa calls its materials & testing "Materials Instructional Memorandums (IMs)" — the label used throughout this page reflects that convention.
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