Contamination level by PCB, organochlorines pesticides and mercury for <i>Anadara tuberculosa</i> and other species at Punta Morales, Puerto Alto and Jicaral during 2 sampling periods in 1988. The data were digitized by VLIZ from the original report: de la Cruz, E. (1989). Organochlorine and total mercury in the Anadara tuberculosa bivalve and other species from the Nicoya Gulf, Costa Rica. MSc Thesis. KBIN: Brussel. 59 pp.

Water, sediment, suspended matter and biota were sampled along the Western Scheldt from 2002 to 2006. All matrices were analysed for PAK's, Organotin, PCB's, PBDE's and OCl pesticides using GCMS and GCMS/MS.