Granite Nightmare!
Learn from our mistakes before you have granite installed! We thought we were very careful, and still went through one of the worst times of our lives...http://www.redheadcandecorate.com/4/post/2012/03/granite-nightmare-pictures-to-prove-it.html
I do a lot of granite tile kitchen...by being tile they are small enough to cut on my wet ...»
I have to add that since it's been over two years since this happened you need to put it behind you and not let it keep eating at you. That's not good for your health either.
As for damage to your families health because of the dust, all you have to do is talk to your family doctor. With such a short exposure (thanks to your grabbing them and getting them outside) my guess would be it would have showed up almost immediately with signs of trouble breathing. If you are still worried please talk to your family doctor to ease your mind.
It does amaze me how folks like you had do your work stay in business in this day and age with online reviews.
Nice of you to pass this on here so anyone thinking of adding granite or other solid surface counters to their home will know how to prepare their home.
BTW...did your insurance company drop you after filling a 34 k claim?