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  • Users: cwarf
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  1. cwarf

    Groundwater Sampling Protocol

    I have been charged with reviewing our company SOP for groundwater sampling of monitoring wells. Our current SOPs provide guidelines for groundwater sampling by bailing and low flow. The low flow SOP follows EPA guidance, so there isn't much to modify. However, the SOP for bailing discusses...
  2. cwarf

    Asphalt Density Testing using ASTM D2922

    We recently had some asphalt installed and tested the density by ASTM D2922 (Nuclear Method). The sampling occurred while it was raining and the asphalt surface was wet. I was wondering if the surface water had any impact on the density results. Our results did not meet our spec.

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