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Evaluating The Corrective Action Plan Essay

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The laboratory submitted its corrective action plan (CAP) to the deficiencies referenced in your letter on July 1, 2016.

With the submission, the laboratory provided completed actions for the following Items:
• Item 1: Sample preservation qualification.
• Item 2: Assurance of balance being level before use.
• Item 4: Application for USGS solid methods. A second PT study was analyzed and submitted to WVDEP by Phenova on 07/08/2016. Both studies (R17601 closed 6/17/16 and R17949 closed 7/8/16) show the laboratory obtained acceptable results.
• Item 5: TSS retraining on pre-wetting filters.
• Item 6: Calibration verification for non-Class A graduated cylinders being used.
• Item 7: Use of more sensitive chlorine strips for BOD analysis.
• Item 8: Recording Barometric Pressure calibration for BOD analysis.
• Item 13: Corrected the LIMS designation on solid ammonia MS and MSD samples to tabulate percent recoveries.
• Item 14: See Item 13.
• Item 15: Phosphorus LCS specifications corrected.
• Item 16: Phosphorus CCV specifications corrected.
• Item 17: Calibration data included with every TOC analytical run.

The following lists the corrective actions taken for the remaining Items.

Item 3. The analyst responsible for working thermometer calibration did not have associated training documentation and was unaware of the related SOP for thermometer calibration. All analysts responsible for quality assurance procedures must have access to the detailed instructions needed to

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