According to PAMALAKAYA, Silverquest Mining Resources, Inc. received an ECC for a seabed quarry project in 2021. The project covers 2,214 hectares of municipal waters off Ternate and Naic, Cavite. Another clearance was issued to Dutch dredging firm Royal Boskalis Westminster N.V. (Boskalis) in Rosario, Cavite, PAMALAKAYA said.