18/01/2013 STS Instruments Ltd Case Study Misconnections – Birmingham UK Background • STS was invited independently by the Environment Agency and Severn Trent water to carry out a series of monitoring operations in an area which had a history of issues arising from the misconnection of waste water into a “clean” surface water sewer system. • Traditionally surveys of this type are carried out using contractors who are tasked to lift manhole cov

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