🌱 PH Environmental Standards Reference

Your quick reference for Philippine environmental standards — PNSDW drinking-water limits, DENR DAO 2016-08 water-body classification & general effluent standards, water-quality parameters (BOD/COD/DO/coliform), NAAQS air-quality standards, solid-waste basics, the key environmental laws, typical treatment design values, and the core formulas. Search, filter, and export to PDF. Free to use.

⚠️ Curated reference — the values here are the widely-taught standard figures from the PNSDW, DENR DAO 2016-08, RA 8749 NAAQS and related issuances. Standards are revised periodically and vary by water-body / air classification. Always verify against the official current PNSDW and DENR issuances and your professor's notes before using them in a design, report, or exam answer.

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Tip: tap a category header to collapse it. Standards vary by water-body / air classification and are revised periodically — this is a study aid, not a substitute for the official PNSDW / DENR issuances.