Help Help Help - Plumbing problem + small asbestos question

Here is my problem.
I had to renovate my kitchen and move the kitchen sink. Now the only way I could run the new drain pipe was to run the pipe between the studs on the exterior wall. It is a small house with the roof facing the front and back of the house. The kitchen wall in question is on the side of the house. Basically the rain water runs down the front and back of the house or roof. I know this sounds confusing. I am getting the load wall mixed up. I think the load wall would be the front and back of the house.
Now the problem,
Since I ran the new pipe between the studs on the outside wall, I had to obvisouly drill a 2 and 9/16 hole between each stud, but in the centre of the stud. I have about a half inch of wood left on both the front and back part of the stud. I hope this will not affect the structure of the house. I only had to do this to about 4 or 5 studs in total. The studs are rock solid since it is an old house, but I am still concerned that i messed with the structure or strength of the studs. Did I totally mess up? If I mention this to my wife she will think the house will now fall down or the exterior wall will colapse.
Please advise.
Now to my asbestos question.
I have to drill 2 new holes for the water lines through the kitchen floor. Under the old hardwood there is that old fire barrier shhet of asbestos liner. I have to drill these holes as I do not want to run the new pipes in the exterior wall. I am thinking about putting a bag and sealing the area where I will be drilling with duct tape and then let it sit for a day and remove the bag with the wood chips and ripped up/drilled asbestos sheet. Is this the right thing to do? Is this a major concern? I also noticed that when we pulled the old water pipes out of it's old location that I may have, but not totally sure that I may have disturbed a very very small portion of the asbestos. Like is this going to kill me or my wife. I hear crazy things about this stuff, but I am wondering if this small bit of drilling or pulling the pipes is a major major deal.
Please advise as well!!!
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One way I have seen drill problem for asbestos is to spray some foamy shaving cream on the area you need to drill. Crazy as it sounds, it is suposed to work very well, as it encapsulates the fibers and does not let them become airborn. You simply wipe up the cream and put into garbage. This should take care of that problem. The key is do not let the fibers get airborn. mick (ima joker) D. :-0
"Plumbers Crappy Problem" >

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Wet it down , but i have never heard of Asbestos Liner, You worry to much.....
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All exterior wall carry some load.

back
Any hole will weaken the stud somewhat. I don't have a good answer for this though.

in
Is
This is not a big deal. You don't want the stuff to be airborne and breath in the dust. Hand contact is not a big deal. Generally, it takes a lot of exposure over time to cause problems. I like the shaving cream advice that was offered.
What would I do? I'd just drill the holes. People really over react to this sort of thing.
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Plumbers Crappy Problem wrote:

You have been "overly freaked out" by the media. Asbestos IS a problem if allowed to enter the airspace as dust. It's effects are cumulative and take substantial exposure over long periods to cause a problem. The problems take 20 or more years to manafest themselves. You won't fall over dead if exposed to a tiny bit such as you are talking about. The shaving cream idea would work to "encapsulate" the dust for the short period you are talking about. Go for it.
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