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.,.., <br />Ae <br />'" `. <br />Engineering, Inc. <br />Solutions for a Changing Environment <br />Certification of Visible Opacity Reading <br />Scott Cowman <br />qualified to conduct EPA Method 9 Tests for visible opacity in accordance with the <br />methods established for such qualification in 40 CFR Part 60 Appendix A. <br />Certification Date: October 18, 2012 <br />Expiration Date: April 18, 2013 <br />