{
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 "description": "General Plan-Environmental Management Element (Adopted April 23, 2002) The noise contour lines depicted in this map represent average Day-Night levels (Ldn). Noise measurements taken at many locations throughout the City have shown that overall noise levels have remained fairly constant in Berkeley over the last 20 years. The map shows the general level of noise that can be expected on any given day.",
 "summary": "",
 "title": "Noise Contours",
 "tags": [],
 "type": "",
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 "url": "",
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}