Quoted from JoAnn

She suggested that I call the company directly with my concerns. I suggested that she, or someone from town hall call since they initiated the service.

Quoted from CICERO

Of course it's your responsibility to call the contractor the town is paying to pump smoke into your home.  Why would you think it's the responsibility of a town worker?TIC

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"Even though these tests don't identify any harmful quantities of toxic compounds, you will need to warn your customers of dangerous sewer gases that may be traveling with the smoke".

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Sewer gas problems can also be caused by plumbing vent pipes that are clogged. This can happen in old homes where a cast iron vent pipe gets clogged by years of rust scale that falls off the inside of the pipe and clogs a 90 degree bend in the pipe.
Tennis balls, leaves, and all sorts of other debris can clog plumbing vent pipes. When a vent pipe is clogged, the replacement air needed by the system will get sucked into the pipes through a fixture inside the house. When a large amount of water is placed into the drain pipes by a toilet or a powerful washing machine pump, it can readily suck the water out of a nearby bath tub trap or even a kitchen sink trap. Once this happens, sewer gas immediately enters the room through the dry fixture trap.
To slow evaporation from fixture traps that are not used on a frequent basis, fill them with water and then slowly pour four ounces of mineral oil into the fixture or floor drain. This mineral oil will evaporate far more slowly than water and the trap will remain wet for many months.