Revised water usage and classification Water Quality Criteria Amending Section Nos. 68 and 69, chapter III of the 1978 NPCC Rules and Regulations (corrected version). officers'accreditation.
| Formáid: | LEABHAR |
|---|---|
| Teanga: | English |
| Foilsithe / Cruthaithe: |
Phils.
DENR
(1990)
|
| Sraith: | DENR Administrative Order No. 34 Series of 1990
|
| Ábhair: |