29739
Near the town of Sillamäe , site of a former uranium enrichment plant , about 1,200 tons of uranium and about 750 tons of thorium had been dumped into a reservoir on the shore of the Gulf of Finland .
 Sillamäe, Gulf of Finland
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Sillamäe, Gulf of Finland