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ANNEX E <br />TEST FOR DETERMINING COATING THICKNESS <br />1. Use a thickness gauge such as an Elcometer Model 1, Type A <br />Scale 14, 0-4" (Ferro Corporation, Cleveland, Ohio) or <br />equivalent. <br />2. Elcometer Model III Inspector gauge Scale range 8E (25-250 <br />thousands)(Ferro Corporation, Cleveland, Ohio) or equivalent. <br />Follow the manufacturers instructions for standardizing the <br />thickness gauge. <br />*TEST FOR DETERMINING PINHOLES (Holiday) <br />1. Holiday Detector - electrical Holiday Detector Inspector <br />(see manufacturers spec) <br />2. Holiday Detector - Tinker Rasor Model AP/W. Output Voltage <br />Powerpak (6000 V - 16,000 V). 15" Silicone Brush Electrode., <br />*In those areas where required. <br />11/84 <br />