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Table 2 Passing rates of formaldehyde emission of medium-density fiberboard and blockboarda

From: Indoor Air Pollution and Its Control in China

Year Medium-density fiberboard Blockboard
Sample number Passing rate (%) Sample number Passing rate (%)
2003 41 75.6
2004 91 80.2
2009 93 86.0 188 89.4
2010 119 93.3 1,206 90.8
2011 189 96.3 200 88.0
  1. aCalculated from inspection results by the General Administration of Quality Supervision, Inspection and Quarantine of the People’s Republic of China [9]