Interpretaion & Evaluation of PAUT & TOFD Data:
1. Development of Codes and Standards for Paut & TOFD
    BS 7706 guide to calibration and setting-up of TOFD
2. ASME adaotation to TOFD
    ASME SECTION VIII Code case 2235
3. Indication from surface breaking flaws
    3.1 Scanning surface discontinuity
    3.2 Opposite surface discontinuity
     3.3 Through wall discontinuity
4. Indications from embeded discontinuities
    4.1 Point-like discontinuity
    4.2  Elongated discontinuity with no measurable height
5.  basic of dimensioning
     5.1 Depth & Height measurement
            Method commonly used to determine the location of signals are:
            Method 1: Straight Point
            Method 2: Point of first maximum
            Method 3: Point of maximum amplitude
6.  Legth Measurements
     6.1 Measuring the parabolic shape
      6.2 Measuring the disturbed area
7.  Examples
     7.1 Scanning Surface Discontinuity
     7.2 Opposite Surface Discontinuity
     7.3 Through Wall discontinuity


Interpretation of PAUT & TOFD DATA Images