Page 217 - The Engineering Guide to LEED-New Construction Sustainable Construction for Engineers

As in LEED 2.2, LEED 2009 allows 1 point for 10%, 2 points for 20%, and a third EP point for 30%. LEED 2009 warns about possible problematic air emissions in recycled materials. Include in IEQc4 for VOCs if As in LEED 2.2, LEED 2009 allows 1 point for 10% and 2 points for 20%. However, in LEED 2009 a third EP point is allowed for only 30%, whereas

• • applicable. • • for 5%. † •

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1 1 1 1 6 ∗ LEED 2009 requires: “If an existing building is found to contain contaminated substances, such as lead or asbestos, these materials should be remediated as † LEED 2009 lists additional examples of rapidly renewable materials: sunflower seed board panels, bio based paints, coir and jute geotextiles,

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1–2 1–2 1 1 14 MR Summary Table of Major Differences between Versions 2.2 and 2009 and Associated Points (Pts)

MRc4: Recycled Content 10% (postconsumer + ½ preconsumer) MRc4: Recycled Content 20% (postconsumer + ½ preconsumer) MRc5: Regional Materials, 10% Extracted, Processed, and Manufactured Regionally MRc5: Regional Materials, 20% Extracted, Processed, and Manufactured Regionally MRc6: Rapidly Renewable Materials (>2.5%) MRc7: Certifie

MRc4: Recycled Content MRc5: Regional Materials MRc6: Rapidly Renewable Materials MRc7: Certified Wood required by the EPA.” insulation and form, release agents, and straw bales. TABLE 5.0.0

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