Amending the Guidelines on the Accreditation of Private Testing Laboratories. Category: Department OrderSub Category: equipment-supplies-propertiesSeries: 2018No: 22File: DO_022_s2018.pdfDate: Wednesday, January 31, 2018Tags: Amending the Guidelines on the Accreditation of Private Testing Laboratories equipment BRS 022Bureaus and Services: Bureau of Research and Standards Read more about Amending the Guidelines on the Accreditation of Private Testing Laboratories.