I would probably get an oil sample pump if I knew I was going to do a few uoa's. That way you ensure you are getting a more accurate sample instead of one taken at the beginning or the end of draining the oil, or one that actually comes from your car (in case the tech messes up
).
http://www.blackstone-labs.com/vacuum-pump.php
http://www.amsoil.com/shop/by-produc...analysis-pump/
-Dennis