Posted below are several links to articles on "Mysterious Odors Reported Nationwide"

Bellaire, Ohio Strange Smell [Sep 20]
http://www.wtov9.com/news/4998742/detail.html

'A mysterious smell has been lingering around numerous neighborhoods in one local community, and now residents want to know where that odor is coming from and if it's dangerous.'

[and from another source]

NBC Central Texas: Strange Odor Prompts School Evacuation [Sep 22]
http://www.kcentv.com/news/c-article.php?cid=1&nid=8089

[and from another source]

Washington Post: Mysterious Stench Nauseates Northeast [Sep 30]
http://www.washingtonpost.com/wp-dyn/content/article/2005/09/28/AR2005092802417.html 

[and from another source]

LA Times: Mysterious Stench Swirls Around City [Sep 22]
http://www.latimes.com/news/local/la-me-smell22sep22,0,7427412.story?coll=la-home-local

'And so it went across the Southland, as some detected strong odors from the coast to the Valley. Workplaces and weblogs were buzzing, with descriptions comparing the smell to old socks, rotting cabbage soup, moldy wet wallboard and the catīs litter box.'

[and another source]

Thunder Bay Canada: Strange Smell in Lonlac [Sep 27]
http://www.tbtv.com/Localnews/index.asp?cid=77361

'Municipal officials are urging Longlac residents to exercise caution as they investigate reports of gasoline-type odours in the towns sewer system.'

[and from another source]

NBC Washington Affiliate: Mystery Odors Reported Around District [Sep 28]
http://www.nbc4.com/news/5031069/detail.html

'Students returned to class Wednesday afternoon at two adjacent schools in Northeast Washington, but the mystery continues over what caused the odor that led to evacuations.'

[and from another source]

NBC Greenville, South Carolina: Workers Sickened at Downtown Greenville Building [Sep 29]
http://www.wyff4.com/news/5036653/detail.html

'A foul smell at a downtown Greenville building sickened several workers and forced an evacuation. Four people were sent to Greenville Memorial Hospital for treatment of nausea.'

[and from another source]

Lake Erie burps and nearby residents smell it [Sep 30]
http://www.post-gazette.com/pg/05273/580563.stm

'State and federal environmental officials are trying to determine the cause of a big stink reported along Lake Erie. Hundreds of residents called authorities or the National Weather Service yesterday to report the smell, which has been variously described as like gasoline, natural gas or even decaying garbage and rotten eggs.'

Stinky Smell Plaguing A Carroll County Community [Sep 30]
'Some residents in Carroll County, PA are breathing a little easier after complaints of a foul smell in Sykesville are finally getting results. County engineers recently confirmed the stench is caused by hydrogen sulfide and is coming from the sewers.'