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[ DENR ADMINISTRATIVE ORDER NO. 34, March 20, 1990 ]
[ DENR ADMINISTRATIVE ORDER NO. 34, March 20, 1990 ]
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National Administrative Register
REVISED WATER USAGE AND CLASSIFICATION/WATER QUALITY CRITERIA AMENDING SECTION NOS. 68 AND 69, CHAPTER III OF THE 1978 NPCC RULES AND REGULATIONS
[ DENR ADMINISTRATIVE ORDER NO. 34, March 20, 1990 ]