Insert the term "Predevelopment" in alphabetical order with the accompanying text "Predevelopment refers to before the LEED project was initiated, but not necessarily before any development or disturbance took place. Predevelopment conditions describe conditions on the date the developer acquired rights to a majority of the buildable land on the project site through purchase or option to purchase."

Replace the term description with the text "Green cleaning is the use of cleaning products and practices that have lower environmental impacts and more positive indoor air quality impacts than conventional products and practices."

In the second bulleted item, replace the text "MR Credit 2: Sustainable Purchasing - Durable Goods" with "MR Credit 2.1: Sustainable Purchasing - Electric-Powered Equipment" and, below as a new bulleted item, "MR Credit 2.2: Sustainable Purchasing - Furniture"

Replace the first paragraph with the following:List all new wood products (not reclaimed, salvaged, or recycled)on the project and identify which components are FSC certified.The cost of all new wood products, both FSC certified and not,must be tallied. Develop a spreadsheet to calculate the amount ofnew wood and the amount of FSC certified wood permanentlyinstalled on the project.

In the fourth row, insert a "

Remove the last sentence in the section ("If electricity is also...") and replace with "If a combined heat and power system is used to comply with the credit requirements, show equivalence by demonstrating that energy savings from the CHP plant are greater than or equal to the energy savings that would result from using components that are 10% better than ANSI/ASHRAE/IESNA Standard 90.1-2007."

Replace "CE" with "(1 - CE)"

Replace the second sentence in the first paragraph with the following text: Section 1.4 covers mechanical system design intended to closely match actual building loads and to meet ASHRAE 55; Section 2.9 covers Mechanical Equipment Efficiency Requirements; Section 3.10 covers Variable Frequency Drives.

Replace text as indicated in the supplemental document.

Replace the fourth bulleted item with the following text:If the classroom has a volume of over 13,500 cubic feet, acoustical panelson both ceiling and walls may be needed to achieve appropriatereverberation time. For this reason, project teams with room volumesbetween 13,500 cubic feet and 20,000 cubic feet are strongly encouragedto use the methods described in ANSI Standard S12.60-2002 to confirmthat the room design meets the intent of the prerequisite.