JAMALUS ISHAK, NIM. 1110247234. Analysis of Heavy Metals in Singkep Island Coastal Waters Riau Archipelagos, Supervised by Bintal Amin and Thamrin. Analysis of heavy metals content of Cu, Pb and Zn in seawater, sediment and snails (C. obtusa) in Singkep Island coastal waters Riau Archipelagos has been conducted on 28 November 2013 - 5 Januari 2014. All water quality parameters measured were st…