Environmental Fate of Tributyltin

Organic Pollutants An Ecotoxicological Perspective, Second Edition 

TBT levels have been monitored in coastal areas of Western Europe and North America. These have ranged upward to 5.34 pg/L in Western Europe, and 1.71 pg/L in North America (Environmental Health Criteria 116). The highest levels were recorded in the shallow waters of estuaries and harbors where there were large numbers of small boats. 

---