Elevated lead contamination in boat-caulkers' homes in southern Thailand

Chamnong Thanapop, Alan F. Geater, Mark G. Robson, Pitchaya Phakthongsuk

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


Surface-wipe lead loading was measured at various locations in the homes of 31 boat-caulkers and 31 locationmatched controls to identify factors associated with household lead contamination. Data were obtained by observation checklist and questionnaire. Lead loading was significantly higher in caulkers' than in control households. Median lead loadings (in μg/ft2) of various locations in caulkers' homes were windowsill, 43.9; exterior entrance, 9.5; interior entrance, 21.1; living room floor, 9.8; and bedroom floors 15.6. Corresponding levels in control homes were all less than 0.2 μg/ft 2. Regression modeling indicated that lead loading was higher in caulkers' homes that were closer to a boat-yard, in which the caulker had a longer duration of boatyard work, and in which there were no children aged under 6 years resident. Exterior and interior entrance and living room floors had lower lead loading than windowsills. However, bedroom floors had significantly higher lead loading, similar to windowsills.

Original languageEnglish (US)
Pages (from-to)282-290
Number of pages9
JournalInternational Journal of Occupational and Environmental Health
Issue number3
StatePublished - 2009

All Science Journal Classification (ASJC) codes

  • Public Health, Environmental and Occupational Health


  • Boat-caulkers
  • Lead exposure
  • Lead loading
  • Surface lead contamination
  • Take-home lead


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