11. None was found where air sampling for asbestos was done at repair stations. 12. Using a vacuum air monitor, an air sample was also taken and analyzed. 13. By comparison, air samples not containing Asian air had just 71 parts per trillion. 14. Tests of air samples showed that long term activities caused greater risk of cancer. 15. Either way, this age difference is a critical uncertainty in dating ice-core air samples . 16. It looks okay down to the subsection " Breathing Zone Air Sampling Procedures ". 17. An air sample will be brought back when Lu and Malenchenko return to Earth. 18. Applied to aircraft modified for weather monitoring and air sampling . 19. Officials planned to take air samples Monday to check for radioactivity from the lab. 20. Air samples were collected using an RCS microbial air sampler.
