Mumbai, August 19 The Mumbai Metropolitan Region Development Authority (MMRDA) has identified six new dumping grounds for the entire Mumbai Mertropolitan Region (MMR), in an effort to end the solid waste generation problem the region is facing. The sites identified in Bhiwandi (on Thane-Bhiwandi Road), Ulhasnagar-Ambrnath, Kalyan (Shil Patha Road), Taloja (near Taloja Industrial Area), Airoli (after the Mulund Airoli Bridge on both sides) and one on the Panvel-Pune highway, are said to be large enough to cater to at least two to three urban local bodies each. In fact, the biggest site