Technical Advisory Committee Board of Directors of the TRB is hereby Undersecretary TEODORO T. ENCARNACION as Chairman Category: Department OrderSub Category: committee-board-TWGSeries: 1990No: 251File: DO_251_S1990.pdfDate: Friday, August 31, 1990Tags: Toll Regulatory Board (TRB) 251 Read more about Technical Advisory Committee Board of Directors of the TRB is hereby Undersecretary TEODORO T. ENCARNACION as Chairman