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The California Office of Environmental Health Hazard Assessment issued a [ https://oehha.ca.gov/advisories/del-valle-reservoir fishing advisory ] regarding the mercury levels of fish caught from the body of water .
 California Office of Environmental Health Hazard Assessment
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:
 California Office of Environmental Health Hazard Assessment