How to Detect Source of Cigarette Smoke?


How can I determine the source of cigarette smoke that has been coming into my apartment so I can block it.
I live on the third floor rear of a six-floor brownstone in NYC. There are two apartments on each floor, front and rear (except one on the 6th). I believe that only the people in the fourth floor front smoke. All my windows face a backyard area. The backs of a restaurant up the block and two large apartment buildings also face this area.
My building has no central air conditioning system. I've closed off the two exhaust vents (in the kitchen and bathroom) with thick plastic and duct tape.
Lately, I have noticed a constant smell of cigarette smoke, usually starting mid-day and lasting until 4 a.m. or 5 a.m. This goes on for a few days or a few weeks and then stops for a few days or a few weeks and then starts again. The the people in the first floor rear apartment have also noticed it.
The smell is strongest in my bedroom, which is farthest away from the smokers in the front apartment upstairs.
I suspect that the smoke is from the restaurant's exhaust, due to the hours I smell it. And I think I only smell it sometime because of changes in wind direction. (I just thought of this and will keep track of that going forward.)
But I'm not sure, and it may be that some is also entering my apartment from somewhere in my building.
Are there any tests or chemicals to determine the source of the smoke?
Thanks for any help.
Ellen
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What will you do when you find the source?
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Thanks Mark, Norminn and Joe for your recommendations. I think blocking the intake sources will help a lot.
In the meantime, I've used some fans to pressurize my apartment and that has helped quite a bit. Unfortunately, all my windows face what seems to be a source of the smoke.
Ellen Kelly
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CA has on the Nov. ballot an increase of the tax on a pack. Like $2.60 increase. a pack of smokes will cost about $7. that should help everyone. you can foley some of the children some of the time. time to vote some off the island.
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On Wed, 11 Oct 2006 08:41:35 -0700, maginot line

What it will do is create a fairly large cottage industry bootlegging cigarettes.
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wrote:

It almost exists in NY. They're MUCH cheaper on the native reservations. The state occasionally makes big noises about taxing the natives, but then the noise stops. I suspect some cash drips out of the casino owners' pockets into someone else's pockets. Just like in Washington.
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doesn't bother them. As a matter of fact, teen smoking is on the rise in NY
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Third floor? NYC?
Get back to healthy 100% auto exhaust...
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Kelly wrote:

Sealing up possible entries is the way to take care of it. Air car migrate unit to unit through wall openings, and there are gaps at bottom of walls and around electrical openings. Caulk around bottom of baseboards to seal off those as much as possible. A foam insulation around light fixtures and wall outlets might help. Anything with an exhaust that draws air into the apartment will pull air in under doors and leaky areas around windows.
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find a window or other source of fresh air and use a fan to blow that fresh air into your apratment. That will raise the air pressure in your apt a little and keep the smoky air from coming in.
Mark
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Whats REALLY needed is the tobacco industry starts losing all lawsuits BIGTIME.
at 50 bucks a pack to cover liabilitry costs the industry will die just as well as its killed some many of its customers.........
it should be called child abuse around kids and illegal in any public place.....
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And do the same thing equally with alcohol! Right?

States file lawsuits in the name of education and smoking education. Time goes by. When settled and received, big percentages silently get diverted to totally unrelated projects. I've seen it...personally.
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Me, too. Money went to a stupid ferry project, hauling people from Rochester to Toronto. Too bad nobody wanted to ride on it.
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