Remove the entire section:OPTION 2Calculated indoor air concentrations that are less than or equal to thoselisted in Table 1 for furniture systems and seating determined by aprocedure based on the EPA Environmental Technology Verification(ETV) Large Chamber Test Protocol for Measuring Emissions of VOCsand Aldehydes (September 1999) testing protocol conducted in anindependent air quality testing laboratory.OR

At the end of the paragraph, add the following text:Mineral-based finish flooring products such as tile, masonry, terrazzo,and cut stone without integral organic-based coatings and sealants andunfinished/untreated solid wood flooring qualify for credit without any IAQtesting requirements. However, associated site-applied adhesives,grouts, finishes and sealers must be compliant for a mineral-based orunfinished/untreated solid wood flooring system to qualify for credit.

Replace the text of the fourth bulleted item with the following:All hard surface flooring must meet the requirements of the FloorScore?standard (current as of the date of this rating system, or more stringentversion) as shown with testing by an independent third-party. Mineral-basedfinish flooring products such as tile, masonry, terrazzo, and cutstone without integral organic-based coatings and sealants andunfinished/untreated solid wood flooring qualify for credit without any IAQtesting requirements.

Re-number the footnotes so they become the following:? CO2 monitoring is required in densely occupied spaces, in addition tooutdoor air intake flow measurement.? Project teams wishing to use ASHRAE approved addenda for thepurposes of this credit may do so at their discretion. Addenda must beapplied consistently across all LEED credits.

Update the footnote references in the section so the text becomes the following:Monitor CO2 concentrations within all densely occupied spaces (thosewith a design occupant density of 25 people or more per 1,000 squarefeet).

At the bottom of the page, insert the footnote text "?If the common hallways are pressurized with respect to the residential units then doors in the residential units leading to the common hallways need not be weather-stripped provided that the positive differential pressure is demonstrated as in Option 2, Case 1 above, considering the residential unit as the smoking room.

In the third line of the paragraph, remove the text ", found at (http://www.energy.ca.gov/title24_1998_standards/residential_acm/CHAPTER0...)." so the text becomes "...Approval Manual."

Below the text of the "PATH 2" section text, insert the following section:Path 3. Pilot Credit (1 point)Attempt a pilot credit available in the Pilot Credit Library atwww.usgbc.org/pilotcreditlibrary. Register as a pilot credit participant andcomplete the required documentation. Projects may pursue more than 1pilot credit; however, a maximum of 1 point will be awarded.(Please note that this section was updated on Februrary 2, 2011).

In the third line of the first paragraph, replace the word "includesincludes" with "includes"

In the seventh line of the first paragraph, replace the text "Credit 2" with "Credits 2.1 and 2.2"