28th Partial List of Initial Accreditation of DPWH Materials Engineers. Category: Department OrderSub Category: human-resourceSeries: 2014No: 99File: DO_099_S2014.pdfDate: Monday, September 18, 2017Tags: 28th Partial List Initial Accreditation Materials Engineers human BRS 099Bureaus and Services: Bureau of Research and Standards Read more about 28th Partial List of Initial Accreditation of DPWH Materials Engineers.