Field Split Sample Test Form

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    Two samples in clean wide mouth collection bottles (the ones used in the weekly testing, not Islechem bottles) should be prepared. Samples can be two different stream samples, or two dilutions of calibration solution. If stream samples are not available, a synthetic stream sample can be prepared by diluting a small volume of calibration fluid 5-fold or 10-fold with distilled water. The Qualified Sentinel and the Tested Team must use their own Meters to take conductivity measurements for each of the two samples.

    For the values below, each Sentinel/Team should calibrate their meter using their own calibration fluid.

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    If the % Difference was not between -20% and +20%, the Tested Team should calibrate their meter using the Qualified Sentinel's calibration solution before continuing.

    The Qualified Sentinel and the Tested Team must use their own Meters to take conductivity measurements for each of the two samples.
    This is a required question
    This is a required question
    This is a required question
    This is a required question
    This is a required question