There some truth in these posts, youll be fine welding with it, but yes it does displace air. Argon is a heavier than air gas, which means when it gets into your lungs, it sits at the bottom of your lungs and isnt exhaled. The more argon you breath in, the more your lungs fill with it, until there isnt any room left in your lungs for the air that they need.
A Helpful RAC Program Overview. Recovery audit contractors are responsible for identifying improper or erroneous Medicare payments under fee-for-service plans. The program is currently one of the best resources to ensure that waste and abuse of Medicare funds is kept to a minimum.
Audit is defined as an all-encompassing scope of the construction process from solicitation of bids to final payment. Not just looking for cost recoveries or overbillings, but also provide process improvement recommendations for the project management team.