The $170 million Haverhill (Mass.) Retirement Board and the $105 million Woburn (Mass.) Retirement Board each issued an RFP for an active or passive diversified commodity and clean-technology manager to run $8.5 million and $5 million, respectively, according to the website of Wainwright Investment Counsel, the plans investment consultant. Both plans are searching for inflation-protection investments that are expected to beat the consumer price index by 400 basis points; investments may include commodities, energy efficiency, climate change or other inflation-protection sectors. Woburn Administrator Maureen T. Marcucci and Haverhill Administrator Kathleen Gallant were unavailable for comment. Wainwright consultant Gus Aristizabal declined to answer questions about the searches. The RFPs are available on WICs website at http://www.winvcounsel.com/rfp.html. Proposals are due at 2 p.m. EDT June 9.