Quote Quoting lintywaver
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They use the most potent and toxic smelling chemical cleaners to spray surfaces, and the smell lingers in the air for quite some time. These harsh chemical cleaners cause severe allergic reactions.
Just because you don't like the smell of the cleaners that are used doesn't mean that they contain harsh or toxic chemicals. There may be nothing toxic in them.

If there is a brand name on the bottles, you can look up the MSDS (material safety data sheet) on a MSDS database website. Google MSDS database and then look up the brand name. The data sheet will tell you if there are health safety concerns in the use of the product.

If you find any, you will be in a much better position to get something done about the product use.