Investigating landfill leachate as a source of trace organic pollutants

Bradley O. Clarke, Tarun Anumol, Morton Barlaz, Shane A Snyder

Research output: Contribution to journalArticle

52 Citations (Scopus)

Abstract

Landfill leachate samples (n=11) were collected from five USA municipal solid waste (MSW) landfills and analyzed for ten trace organic pollutants that are commonly detected in surface and municipal wastewater effluents (viz., carbamazepine, DEET, fluoxetine, gemfibrozil, PFOA, PFOS, primidone, sucralose, sulfamethoxazole and trimethoprim). Carbamazepine, DEET, PFOA and primidone were detected in all leachate samples analyzed and gemfibrozil was detected in samples from four of the five-landfill sites. The contaminants found in the highest concentrations were DEET (6900-143000ngL<sup>-1</sup>) and sucralose (<10-621000ngL<sup>-1</sup>). Several compounds were not detected (fluoxetine) or detected infrequently (sulfamethoxazole, trimethoprim and PFOS). Using the average mass of DEET in leachate amongst the five landfills and scaling the mass release from the five test landfills to the USA population of landfills, an order of magnitude estimate is that over 10000kg DEETyr<sup>-1</sup> may be released in leachate. Some pharmaceuticals have similar annual mean discharges to one another, with the estimated annual discharge of carbamazepine, gemfibrozil, primidone equating to 53, 151 and 128kgyear<sup>-1</sup>. To the authors knowledge, this is the first time that primidone has been included in a landfill leachate study. While the estimates developed in this study are order of magnitude, the values do suggest the need for further research to better quantify the amount of chemicals sent to wastewater treatment facilities with landfill leachate, potential impacts on treatment processes and the significance of landfill leachate as a source of surface water contamination.

Original languageEnglish (US)
Pages (from-to)269-275
Number of pages7
JournalChemosphere
Volume127
DOIs
StatePublished - May 1 2015

Fingerprint

Chemical Water Pollutants
Waste Disposal Facilities
DEET
Primidone
Organic pollutants
Land fill
trichlorosucrose
organic pollutant
landfill
Gemfibrozil
Carbamazepine
leachate
Fluoxetine
Sulfamethoxazole Drug Combination Trimethoprim
Waste Water
Solid Waste
Municipal solid waste
Surface waters
municipal solid waste
Wastewater treatment

Keywords

  • Contaminants of emerging concern
  • DEET
  • Landfill leachate
  • Primidone
  • Sucralose

ASJC Scopus subject areas

  • Environmental Chemistry
  • Chemistry(all)

Cite this

Investigating landfill leachate as a source of trace organic pollutants. / Clarke, Bradley O.; Anumol, Tarun; Barlaz, Morton; Snyder, Shane A.

In: Chemosphere, Vol. 127, 01.05.2015, p. 269-275.

Research output: Contribution to journalArticle

Clarke, Bradley O. ; Anumol, Tarun ; Barlaz, Morton ; Snyder, Shane A. / Investigating landfill leachate as a source of trace organic pollutants. In: Chemosphere. 2015 ; Vol. 127. pp. 269-275.
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