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Purpose: To explain the function of internal standards, the ITP, internal test procedure to the Court. To obtain an admission that the ITP system needs annual or periodic maintenance, just like the optical bench, so that the instrument can continue to function in accordance with manufacturer's specifications. To obtain an admission that any adjustment or re-calibration of the optical bench also requires re-calibration of the internal standards. Sample cross-examination of a C

Purpose: To educate the Court about the Analytical Theory of the 8000C Optical Bench including Emitter, Sample Chamber, Dual Detectors, Inverse Logarithmic relationship, and building the Calibration Curve based on the theory that differing ethanol concentrations have differing % absorption of IR light. To lay the groundwork for the importance of calibration and re-calibration respecting the reliability of any approved instrument. To explain the auto-calibration function of th