waste management Groundwater_Well

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waste management Groundwater_Well

  1. 1. Typical Groundwater Monitoring Well Protective Sampling Cap Surface Casing Protection Post Weep Hole Concrete Pad Seal Soil Soil Varies Seal Highest Seasonal Groundwater Level Slotted Casing Lowest Seasonal Groundwater Level Bottom Cap Gravel Monitoring Well Depth Varies. (Not to scale) Typical groundwater monitoring wells are used to enhance environmental protection at landfills. WM has stringent standards, policies, and procedures in place to ensure that a high level of consistency and quality is built into each monitoring location. Samples are collected routinely at permit-specified time intervals, and analyzed by state approved and qualified independent laboratories. The lab results are evaluated and then sent to local or state regulatory agencies for review. This process allows potential environmental concerns to be identified early, and aggressively evaluated and corrected (when necessary) in accordance with regulations and sound scientific approaches. www.wm.com ©2003, Waste Management From everyday collection to environmental protection, Think Green. Think Waste Management. SM

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