Hexavalent Chromium Groundwater Sampling

Zone 7 Water Agency desires to hire a qualified and reliable contractor for Project Title . Zone 7’s groundwater quality program was developed to track the migration and changes in groundwater quality over time. One component of our groundwater quality monitoring program involves sampling for hexavalent chromium (Cr-6). Zone 7 anticipates the need for up to 150 Cr-6 samples, with a maximum sampling frequency of 25 samples per month. The exact sampling schedule will be developed in coordination with a representative from Zone 7. In addition, some of these wells may also be sampled for Per- and Polyfluoroalkyl Substances (PFAS), Metals and Minerals, and/or Bacteria. Quotes must be submitted through the E-Procurement Portal at https://procurement.opengov.com/portal/zone7water , no later than Response Submission Time on Response Submission Date .

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