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Every civilization has had to find a way to organize their waste materials. The most common method has historically been burial of the waste. According to Wikipedia (completely reliable, as we all know) the Mayans had dumps that exploded occasionally and burned. Landfills, depending upon the items being buried, still have the same dangers today and must be monitored closely to maintain safety for those in contact with the site. A sometimes significant amount of hazardous gas can be crea …

I recently got some questions regarding RAE Systems Gas Detection Tubes and I wanted to clarify their use. First, what are they? Gas detection tubes offer a quick way to determine the presence or concentration of specific chemicals in air. This is well established technology, and has been offered by a few manufacturers for many years. The theory is that specific reagents change color as they absorb certain chemicals. This color change, or stain, is predictable and measurable. This is …