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Stock Purchase	9 Months Ended
	Sep. 30, 2013
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Stock Purchase	14. Stock Purchase During the third quarter of 2013, pursuant to the Board of Directors of the Company approval, the Company purchased 180,000 shares of CECO stock held by our Chief Executive Officer. The shares were purchased at the then current market price of $13.14 for a total transaction value of $2,400 and the shares were immediately retired. On August 10, 2011, the Board of Directors of the Company approved a share buyback program authorizing the purchase of up to 0.5 million shares of CECO Environmental Corp. common stock over an eighteen month period. During the three month period ended June 30, 2012, the Company repurchased and immediately retired 62,519 shares of common stock for $456. The Company did not repurchase any additional common stock and the program expired in February 2013.

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