Brookline (Mass.) Retirement System is searching for an active emerging markets equity manager to run $8 million to $12 million, confirmed Frank Zecha, the $225 million systems executive director. All cap sizes and styles are being considered. Emerging markets equity is a new asset class for the system. Funding could come from an assortment of the funds other holdings depending on what the market is doing when the selection is made, but the system doesnt plan to terminate any existing managers, Mr. Zecha said. The RFP is available on consultant Meketa Investment Groups website at http://www.meketagroup.com/mgrCenter.php. Proposals are due by 4 p.m. EDT May 28, with a selection expected before the end of July, Mr. Zecha said.