Landfill disposal of CCA-treated wood with construction and demolition (C&D) debris: Arsenic, chromium, and copper concentrations in leachate

Jenna R. Jambeck, Timothy G. Townsend, Helena M Solo-Gabriele

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

Although phased out of many residential uses in the United States, the disposal of CCA-treated wood remains a concern because significant quantities have yet to be taken out of service, and it is commonly disposed in landfills. Catastrophic events have also led to the concentrated disposal of CCA-treated wood, often in unlined landfills. The goal of this research was to simulate the complex chemical and biological activity of a construction and demolition (C&D) debris landfill containing a realistic quantity of CCA-treated wood (10% by mass), produce leachate, and then evaluate the arsenic, copper, and chromium concentrations in the leachate as an indication of what may occur in a landfill setting. Copper concentrations were not significantly elevated in the control or experimental simulated landfill setting (α = 0.05). However, the concentrations of arsenic and chromium were significantly higher in the experimental simulated landfill leachate compared to the control simulated landfill leachate (α = 0.05, p < 0.001). This indicates that disposal of CCA-treated wood with C&D debris can impact leachate quality which, in turn could affect leachate management practices or aquifers below unlined landfills.

Original languageEnglish
Pages (from-to)5740-5745
Number of pages6
JournalEnvironmental Science and Technology
Volume42
Issue number15
DOIs
StatePublished - Aug 1 2008
Externally publishedYes

Fingerprint

Demolition
demolition
Arsenic
Chromium
Land fill
Debris
Waste disposal
leachate
chromium
Copper
arsenic
landfill
Wood
copper
Chemical Water Pollutants
catastrophic event
Bioactivity
Aquifers
management practice
aquifer

ASJC Scopus subject areas

  • Environmental Engineering
  • Environmental Science(all)
  • Environmental Chemistry

Cite this

Landfill disposal of CCA-treated wood with construction and demolition (C&D) debris : Arsenic, chromium, and copper concentrations in leachate. / Jambeck, Jenna R.; Townsend, Timothy G.; Solo-Gabriele, Helena M.

In: Environmental Science and Technology, Vol. 42, No. 15, 01.08.2008, p. 5740-5745.

Research output: Contribution to journalArticle

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