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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, 0-1/4" (Ferro Corporation, Cleveland, Ohio) or <br /> equivalent. <br /> 2. Elcometer Model III Inspector gauge Scale range SE (25-250 <br /> thousands) (Ferro Corporation, Clevelnad, 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 (see <br /> Manufacturers spec. ) <br /> 2. Holiday Detector Tinker Rasor Model AP/W. Output Voltage <br /> Powerpak (6000 V - 16 ,000 BO. 15" Silicone Brush Electrode. <br /> 'In those areas where required. <br />