EFFECTS OF COATINGS ON ARSENIC DISLODGED FROM THE SURFACE

05/07/02


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PPT Slide

EFFECTS OF COATINGS ON ARSENIC DISLODGED FROM THE SURFACE

Average Arsenic Dislodged from Surface Before, After, and up to One Year After Coating

ARSENIC (ug/100cm^2)

Oil Coating – By Board – Time Effects – High and Low Sample Days Match (Day 60 and 365 all high)

PPT Slide

Chromium (ug/100cm^2)

Coatings Test Conclusions

Coatings Test Conclusions

Durability of Finishes Feist and Ross, “Performance and Durability of Finishes on Previously Coated CCA-Treated Wood” 1995, Forest Products Journal

California Study Polyurethane and Oil Based Stains worked initially, but less clear over time. (n=?)

CPSC – Oil and Water Based Stains – No effect

Do Coatings Reduce As Dislodged From Surface?

Coatings Future Work

Author: Authorized User