Compressed Air Air is a nonflammable gas that is colorless and odorless Minneapolis businesses can get from Toll Company. The calibration and monitoring requirements mandated for optimal performance require precise and accurate baselines. The air we breathe, while containing about 21% oxygen in nitrogen, has a number of other components that may vary by location, climate and immediate environment. Generally speaking the concentrations of these different components are the subject of the measurement. In most instances, just filtering ambient air can eliminate most of the particulate contamination but cannot consistently provide a stable “zero” baseline.PurityPlus Air, Zero Air and Ultra Zero Air are what you should select for baseline calibration. These blends aren’t specialty filtered air, but rather are blends of 21% extremely high purity oxygen in the equivalent purity nitrogen. Based off the measuring requirements, total impurities can be as low as one part per million, with specific impurity analysis in the 100 part per billion level, or lower.Toll Company produces PurityPlus Air that is used in or as a calibration gas for environmental, automobile and diesel engine emissions monitoring, industrial hygiene monitors for flammability, toxicity and explosivity, as well as trace impurity analyzers that monitor compounds that may provide longer term health risks. And PurityPlus Air is also used as a balance gas for many specialty gas mixtures to establish a second point of calibration in addition to the zero level provided by PurityPlus Air itself.If you are looking for someone to supply specialty air gases in Minneapolis then you should contact Toll Company - they are backed by a national network of labs to ensure high purity standards but provide customer service and support in your community. Give them a call today at 612-581-9889 or contact them through their online form.