Title

Determination of lead contamination in a landfill in Barangay Salawag, Dasmarinas City, Cavite

Date of Completion

6-2019

Document Type

Thesis

Degree Name

Grade 12

Keywords

Waste Disposal Facilities, lead contamination, landfill

Abstract

Landfill wastes are a major cause of toxic heavy metal pollution in soils, which remain a primary health concern in the environment. Phytoremediation techniques are efficient ways to address this problem. The study was conducted in a landfill in Brgy. Salawag, Dasmarinas City, Cavite. Using Atomic Absorption Spectrometry (AAS), 1 soil and 4 plant samples, Mimosa pudica (Makahiya) and Amaranthus spinosus (Spiny Pigweed), thriving in the landfill were collected for testing at Chempro Analytical Services Laboratories Inc. for lead uptake and contamination, respectively. Results presented to presence of Lean (Pb) detected in the soil sample, therefore, the plant samples have no accumulation of lead in terms of their roots and shoots. The Biological Accumulation Factor, Biological Concentration Factor, and Translocation Factor cannot be measured due to the said result. Factors, that affected the phytoremediating process, included climatic conditions. Wastes, being main sources of lead, are segregated from other junks by scavengers. Furthermore, the landfill is overlaid with topsoil daily, contributing to the non-detection of lead in the soil. Hence, the soil in the said landfill is not considered hazardous and toxic to the health of the people in terms of lead contamination around the study site. The study recommends investigation of other heavy metals presence and seasonal changes be taken into consideration.

First Advisor

Carmelette C. Davila

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