Calendar.

Sept. 17-19

Investment Recovery Seminar & Trade Show, Orlando, Investment Recovery Association, [phone] or [e-mail]

Sept. 18-20

ISRI Commodities Roundtable Forum, Rosemont, III., Institute of Scrap Recycling Industries Inc., [phone]

Sept. 20-22

West Coast Green, San Francisco, Calif., [phone], or www.westcoastgreen.com

Oct. 16.18

ICUEE, Louisville, Ky., www.icuee.com

Oct. 16-18

Wastecon 2007, Reno, Nev., Solid Waste Association of North America, (800) GO-SWANA or www.swana.org

Nov. 1-2

Asphalt Shingle Recycling Forum, Chicago, Construction Materials Recycling Association, www.shinglerecycling.org

[ILLUSTRATION OMITTED]

Nov. 7-9

Greenbuild 2007, Chicago, www.greenbuildexpo.org

Nov. 11-13

2007 AEM Annual Conference of Member Companies, The Association of Equipment Manufacturers, Naples, Fla., www.aem.org or [e-mail]

Nov. 28-29

Canadian Waste & Recycling Expo, Vancouver, B.C., Canada, Messe Frankfurt Inc. [phone] or www.CWRE.ca

Dec. 4-7 ConExpo Asia, Guangzhou, China, www.conexpoasia.com