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A team from the University of Pennsylvania and the British Geological Survey have measured organic pollutants and mercury in the sediments within the refuge and Barnegat Bay and Little Egg Harbor .
 University of Pennsylvania, British Geological Survey, Barnegat Bay, Little Egg Harbor
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 University of Pennsylvania, British Geological Survey, Barnegat Bay, Little Egg Harbor