Monitoring environmental quality across selected sites within Metro Clark sanitary landfill, Capas, Tarlac

Date of Publication

3-2025

Document Type

Bachelor's Thesis

Degree Name

Bachelor of Science in Biology

Subject Categories

Biology

College

College of Science

Department/Unit

Biology

Thesis Advisor

Alen Clyde A. Canlas

Defense Panel Chair

Dennis A. Dolojan

Defense Panel Member

Hilarie P. Orario
Jessamine Gail M. Inson

Abstract (English)

Given the significant environmental risks that improper solid waste disposal poses, the importance of mitigating facilities, such as sanitary landfills, is a critical component for maintaining good environmental quality. The study assessed the environmental quality across five selected sites within the Metro Clark Sanitary Landfill located in Capas, Tarlac, Philippines, focusing on soil, water, and air quality. In situ analysis included pH, temperature, total dissolved solids (TDS), and electrical conductivity (EC) for water assessment, along with formaldehyde (HCHO), total volatile organic compounds (TVOC), carbon dioxide (CO2), temperature, and humidity for air assessment. Heavy metal concentrations in soil and water were determined via Flame Atomic Absorption Spectroscopy. Results revealed that while heavy metal concentrations in soil remained below regulatory limits, water samples in all sampling sites contained elevated levels of Pb, Cd, and Cr, exceeding Philippine water quality standards. In situ parameters remain within acceptable limits, indicating minimal alteration of bulk water properties. Comparisons considering relative locations showed that the raw leachate site exhibited highest EC, TDS, and temperature indicating a pollution hotspot. Water collected from downstream showed elevated levels of EC and TDS suggesting possible migration or contamination. Air qualiy analysis confirmed that pollutant levels were within safety limits. The analysis revealed that while air and soil samples were mostly compliant, water samples consistently exceeded regulatory thresholds for heavy metals, signifying potential contamination due to leachate migration, emphasizing the importance of continuous environmental monitoring. The researchers recommend future studies to explore other relevant quality standards for soil, water, and air quality assessment and conduct similar research on other landfill sites to provide a better understanding of long-term environmental and public health risks.

Keywords: waste disposal, sanitary landfill, environmental monitoring, heavy metal analysis, physicochemical analysis

Abstract Format

html

Abstract (Filipino)

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Abstract Format

html

Language

English

Format

Electronic

Keywords

Refuse and refuse disposal--Philippines--Tarlac; Sanitary landfills—Environmental aspects --Philippines--Tarlac; Environmental monitoring

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Embargo Period

8-16-2025

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