DPWH DEPARTMENT ORDER NO. 90 s. 1993, April 01, 1993
REVISED SCHEDULE OF FEES AND CHARGES FOR LABORATORY TESTING OF CONSTRUCTION MATERIALS
National Administrative Register April 1, 1993
Adopted: 1 Apr. 1993
* Text available at the Office of the National Administrative Register, U.P. Law Center, Diliman, Quezon City.
(Sgd.) EDMUNDO V. MIR
Acting Secretary
* Text available at the Office of the National Administrative Register, U.P. Law Center, Diliman, Quezon City.