30.4 TO ENSURE PCB CONFORMANCE, APPROVAL REPORT MUST INCLUDE MICRO-SECTIONING,IMPEDANCE TESTING, HI-POT TESTING AND INSERTION LOSS MUST BE MEASURED FOR SPECIFIED LAYERS AS DETAILED IN NOTE.5 . INSERTION LOSS MUST BEMEASUREMENTS. ALL IMPEDANCES MEASURED FOR SPECIFIED IMPEDANCE/LAYERS AS DETAILED IN NOTE 5.6. HI-POT TESTING AND MICRO-SECTIONING SHALL BE IN ACCORDANCE TO THE HPE-00022-00 SPECIFICAITON.