Why Buy This Book? Because the content in this book may prevent you from wasting hours of your life and possibly thousands of dollars due to misunderstanding concrete reports and submittals. The concrete industry has a variety of concrete reports. If not careful, these reports can waste a significant amount of time, energy, and possibly money. This book provides clear, concise, and practical information about different concrete reports such as the core report, the cement mill certification report, and the petrographer's report.