ACPA is soliciting proposals to develop a synthesis that identifies and evaluates candidate technologies for detecting and measuring aggregate moisture in concrete batch plants. The synthesis will include an assessment of the potential for successfully implementing these technologies in concrete batching processes. The project is funded at $25,000, and proposals will be due (electronically) by 5 pm CST on January 31st, 2022. The complete Request for Proposals (RFP) is available at