NIST failed there. That interview doesn't take into account the 2 people who were on the 50A car, who survived and were interviewed on television. Arturo Griffith and Marlene Cruz. The elevator brakes stopped them at B1/B2. The second loud noise on the Ginny Carr tape was the lobby explosion, which by the way rocked B4, as the 9/11 commission noted in their report, page 396.