Profile: Severn Trent Services Group is a provider of analytical services to the water utility, construction, and waste management industries. Our key areas are potable water, waste water, water utilities, waste management, asbestos management, and facilities management. To meet water and waste water requirements, we offer a comprehensive range of environmental testing solutions including laboratory analysis, on-site testing, and in-field sampling & monitoring. We cover a range of industries including manufacturing, waste management, industrial processing, pharmaceuticals, utilities, and sewage treatment sector. We carry out water quality monitoring and analysis on a wide range of samples. Our analysis work includes ground water, effluent testing, leachates, boreholes, and process waters. Our analysis for wastewater also includes volatile organic & semi-volatile organic compounds, biochemical oxygen demand, chemical oxygen demand, alkalinity, and phenols. We are able to determine steroid estrogens in sewage influent, effluent & sludge, surface & potable waters, sediments, and soils. Estrogenic activity is measured using vitro yeast estrogen assay.