- Table 1, p. 2906: units for all of the occupational standards (i.e., units in the last three rows) should be in mg/m3; not in μg/m3.
- Table 2, p. 2909: units for reference  should be in μg/(m2 h); not in g/(m2 h).
- Paragraph 4, lines 3 and 4, p. 2911: For the following sentence citing reference , units should be in μg/(m2 h); not in mg/(m2 h).On an area basis, caulking has the highest emission rate, 310 μg m−2 h−1, among materials tested, followed by carpet pads (installed underneath carpets), 2.1 to 9.9 μg m−2 h−1. Emission rates fell below 1 μg m−2 h−1 for other materials tested, which included solid and engineered materials and flooring materials.
© 2011 by the authors; licensee MDPI, Basel, Switzerland. This article is an open-access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).