Gastec as a solution for onsite soil screening & analysis The BACKGROUND QROS analysers were used on the Crossrail project in London to screen excavated soil from the tunnelling. The on-site screening was conducted for hydrocarbons, phenols, ammonium, cyanide and chlorinated solvents on a routine basis with over 15,000 samples analysed at a rate of over 80 samples a day. The CHALLENGE QROS needed a solution that allowed them to test the samples on site and analyse results immediately without the use of further lab equipment. The combination of low-cost rapid analysis together with accurate identification of contamination was a necessity for the project. The SOLUTION a1-cbiss were able to provide GASTEC Gas Detector Tubes & Pump for on-site sampling in coordination with a QROS designed anal

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