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You both may have a toxic tort claim against your employer and the the quarry for the toxic air that you've breathed.
First, you have to have your doctor provide a diagnosis/opinion that your health problems are caused by these factors. If you can get this done, you have a prima facie case against these businesses.
My suggestion is that you see a personal injury attorney in your area (you can find one at www.martindale.com), discuss your problems and determine whether you have a factual scenario to file suit.