8/15/2019 Astm d 5162-91 Discontinuity Testing 1/4 8/15/2019 Astm d 5162-91 Discontinuity Testing 2/4 8/15/2019 Astm d 5162-91 Discontinuity Testing 3/4 8/15/2019 Astm d 5162-91 Discontinuity Testing 4/4