Study of ambient and indoor air quality in the building built on the former landfill

Anuar Ithnin, Nazipah Zakaria, Nor Azura Sulong, Shamrul Aizam Abd Rahman, Normah Awang, Kamaludin Nurul Farahana

Research output: Contribution to journalArticle

Abstract

Problem statement: The air quality study of PPR Taman Wahyu II, Selayang, Selangor was a residential project that was built on the former landfill site. The landfill site will produce landfill gases which can influence the air quality level in and outside the building. Approach: This air quality study also involving PPR Intan Baiduri, Batu Caves, Selangor as a control building. The air quality parameters chosen were physical, chemical and biological. Instruments used were HVS, Biogas Analyzer, Aeroqual, MultiRAE, ICP-MS, NMAM 7303 and gravimetric method. Gilian High Volume Air Sampler was used to measure heavy metal parameters that were conducted for 8 h, Personal Sampling Pump to measure total suspended particulates for 8 h, MultiRAE for H 2S and CH 4 gas, Aeroqual for CO 2 gas, Multilog for CO gas and a Tedlar bag for O 2 gas. For biological parameters, settle plate method was used and conducted for 20 min. Veloci CALC and wind probe were used to measure physical parameters. Results: In the ambient air, the mean concentration of Total Suspended Particulate (TSP), lead and cadmium were higher at an exposed location compared to the control with a reading of 0.325±0.29, 0.108±0.050 and 0.06±0.045 ng m -3 respectively. The reason was that the exposed location was a former landfill site and there were several co-founding factors. Mean concentration for chemical parameters were higher at the exposed location and all the chemical parameters were not exceeding the EPA Protocol Gas for Single Component. The mean concentration of oxygen is 20.95±0.005%, carbon dioxide 669.25±84.109 ppm and carbon monoxide 1.8±0.957 ppm. For biological parameters, mean for the colony total count also higher at the exposed location compared to control location where the mean for bacterial was 17.75±4.573cfu while for fungal, the mean is 8.0±2.828 cfu. Indoor air quality results showed that concentration means of CO 2 was 877.8±59.40 ppm, CO was 5.0±0.89 ppm and O 2 was 20.9±0.05%. The concentration means for Cd was 0.3±0.26 ng m -3, Pb was 0.5±0.21 ng m -3, TSP was 0.2±0.08 mg m -3, bacteria was 38±16 cfu and fungal was 11±7 cfu. Conclusion: The concentration mean of the gas parameters had fulfilled the guideline standard. The statistical analysis revealed that there were significant differences between CO 2, O 2, bacterial, fungal and TSP between research building and control building. Research also showed that there is no differentiation between former landfill ambient air and control ambient air quality.

Original languageEnglish
Pages (from-to)1194-1198
Number of pages5
JournalAmerican Journal of Applied Sciences
Volume9
Issue number8
DOIs
Publication statusPublished - 2012

Fingerprint

indoor air
ambient air
landfill
air quality
gas
parameter
biogas
carbon monoxide
sampler
cave
pump
statistical analysis
cadmium
carbon dioxide
probe
heavy metal
oxygen
bacterium
sampling
air

Keywords

  • Colony total count
  • Landfill site
  • Total suspended particulate

ASJC Scopus subject areas

  • General

Cite this

Study of ambient and indoor air quality in the building built on the former landfill. / Ithnin, Anuar; Zakaria, Nazipah; Sulong, Nor Azura; Rahman, Shamrul Aizam Abd; Awang, Normah; Nurul Farahana, Kamaludin.

In: American Journal of Applied Sciences, Vol. 9, No. 8, 2012, p. 1194-1198.

Research output: Contribution to journalArticle

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KW - Colony total count

KW - Landfill site

KW - Total suspended particulate

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