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3. Clean Aire Inc. Air Testing Report; Meadowfield Elementary School, Columbia, SC. Unpublished document, November 30, 1995.
4. Clean Aire Inc. Final Report-Microbial Test Data; AC Moore Elementary School, Columbia, SC. Unpublished document, November 16, 1995.
5. Clean Aire Inc. Air Testing Report; Meadowfield Elementary School, Columbia, SC. Unpublished document, October 17, 1996.