A final determination of pipe condition is shown based upon the retirement date calculations. Retirement date is the actually the most important final statistic in any investigation since a very low corrosion rate extended over 70 or 90 years will just as likely produce a low estimated remaining life value or failure as a high corrosion rate over 5 or 10 years.

     Some general comments are offered relating to test results, other observed problems, comparison to other locations, as well as recommendations for improvement.

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