PPT-Groundwater sampling

and purge techniques Acquiring a representative sample Your Resources ISO Standards 5667 GNS National Protocol What are we trying to achieve 3 Why is this so important A REPRESENTATIVE SAMPLE. Use of brackish groundwater could supplement or in some places replace the use of freshwater sources and enhance our Nations water security However a better understanding of the location and charac ter of brackish groundwater is needed to expand dev A DEMONSTRATION THE GROUNDWATER FOUNDATION www.groundwater.org Groundwater is water found underground in the spaces and cracks between rocks, sand, soil and clay. Groundwater is stored in geolo 2. Groundwater Sampling. Sampling a well with a tennis shoe?. Standards, Directives, Guidelines................... 4. Standards, Directives, Guidelines. Hierarchy:- “more or less a general consensus” EN/AS/NZS=. Sampling is perhaps the most important step in assuring that good quality aggregates are being used on INDOT contracts. Since a sample is just a small portion of the total material, the importance th The Unseen Part of the Water Cycle. Salt Groundwater. Ground Water. Reservoir. . The present-day surface hydrologic cycle. The numbers in parentheses refer to volumes of water in millions of cubic kilometres,. Steve Gaffield – Montgomery Associates. Thomas Hovel – City of Fitchburg, WI. Madeline Gotkowitz – Wisconsin Geological Survey. Topics. Groundwater basics & current issues. Madison’s drinking water issues. sandstone and . Rogersville shale play area, eastern Kentucky. Kentucky . Geological Survey, University of . Kentucky. GSI . Environmental Inc., . Austin. , . TX. Possible Contamination Pathways of Hydraulic Fracturing to Groundwater Aquifers . Groundwater Initiatives. A Summary Review. Virginia DEQ. October 2015. Groundwater Initiatives. Under drains. : adding consistency and clarity to the permitting, monitoring, and reporting process.. Groundwater User Survey. Groundwater Sustainability Agency . Governance Formation. REGINA RUBIER. WATER RESOURCES MANAGER. CITY OF STOCKTON - MUNICIPAL UTILITIES DEPARTMENT. JANUARY 26, 2016. Agency Boundary Overlap. SEWD. WID. A link between Continuous-time/Discrete-time Systems. x. (. t. ). y. (. t. ). h. (. t. ). x. [. n. ]. y. [. n. ]. h. [. n. ]. Sampling. x. [. n. ]=. x. (. nT. ), . T. : sampling period. x. [. n. ]. x. Who Are We?. Two Laws require cleanup of contaminated soil, water and air at active industrial sites:. 1)The Federal RCRA. (Resource Conservation and Recovery Act). 2)The State MTCA. (Model Toxics Control Act). . G. . . D. S. Floridan Aquifer. Extent. Hydrologic Horizons. Pressure. Tension. θ. pwp. < . θ. < n. θ. fc. < . θ. < n. θ. = n. θ. = n. Geologic Profiles . (Stratigraphy). saturates . pore spaces of . bedrock.. The rate of movement of groundwater is gravity driven, varying between 0.6 inches per day (in sandstones) to several inches per year (in . granites. ). The source of groundwater is rain and melt water infiltrating and percolating through fractures/pores in soil and . Fall 2019Semi-Gude LandfillMontgomery County MarylandPrepared forDepartment of Environmental ProtectionRecycling and Resource Management DivisionMontgomery County Maryland20850Prepared byEA Engineerin