SKC Inc was established in 1962 in Pittsburgh, USA founded by Lloyd V Guild. Originally called `Scientific Kit Corporation` when manufacturing and selling gas chromatography accessories and calorimeters, it officially became `SKC` in 1979. SKC Limited was established in 1982 as a European head office. SKC produced the first commercial sorbent tube in 1973. Today, SKC still remains on the leading edge of sorbent tube technology. Health and safety professionals around the world choose SKC sorbent tubes because we can offer: A complete range of tubes for occupational and environmental methods, quality and reliability for compliance sampling, large lots with consistent results, reproducible recoveries and low standard deviation, fast delivery, responsive customer service and free technical support.