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2. Wood preservation - Wikipedia

   en.wikipedia.org/wiki/Wood_preservation

   The PTI preservative imparts very little color to the wood. Producers generally add a color agent or a trace amount of copper solution so as to identify the wood as pressure treated and to better match the color of other pressure treated wood products. The PTI wood products are very well adapted for paint and stain applications with no bleed ...

3. Copper naphthenate - Wikipedia

   en.wikipedia.org/wiki/Copper_naphthenate

   In addition to broad efficacy against decay fungi and wood-destroying insects, its low mammalian toxicity is a key reason why copper naphthenate has gained market acceptance as a proven effective wood preservative that is specified and used extensively for environmental reasons by utilities and railroads as a less toxic alternative to creosote ...

4. Chromated copper arsenate - Wikipedia

   en.wikipedia.org/wiki/Chromated_copper_arsenate

   Chromated copper arsenate (CCA) is a wood preservative containing compounds of chromium, copper, and arsenic, in various proportions.It is used to impregnate timber and other wood products, especially those intended for outdoor use, in order to protect them from attack by microbes and insects.

5. Alkaline copper quaternary - Wikipedia

   en.wikipedia.org/wiki/Alkaline_copper_quaternary

   Wood products treated with ACQ preservative were commercially produced in Canada for the first time in 2004. [ 4 ] [ 1 ] ACQ became a widely used wood preservative after concerns were raised about possible environmental contamination by chromium and arsenic from wood treated with chromated copper arsenate (CCA), through contact (especially in ...

6. Acetylated wood - Wikipedia

   en.wikipedia.org/wiki/Acetylated_wood

   Acetylated wood is a type of modified wood that is produced through a chemical modification process and does not contain any toxic substances. [1] It produced from a chemical reaction (named as acetylation), involving acetic anhydride and a modification process to make wood highly resistant to biological attacks by fungi and wood-boring insects and durable to environmental conditions.

7. Should you throw out your black plastic cooking utensils? - AOL

   www.aol.com/lifestyle/black-plastic-spatulas...

   Megan Liu, lead study author and science and policy manager at Toxic-Free Future, tells Yahoo Life that this was a “minor point” in the study. “We feel bad that this happened,” she adds.

8. Creosote - Wikipedia

   en.wikipedia.org/wiki/Creosote

   Currently, all creosote-treated wood products—foundation and marine pilings, lumber, posts, railroad ties, timbers, and utility poles—are manufactured using this type of wood preservative. The manufacturing process can only be a pressure process under the supervision of a licensed applicator certified by the State Departments of Agriculture.

9. Possibly toxic chemical may be widespread in drinking water ...

   www.aol.com/possibly-toxic-chemical-may...

   A previously unidentified chemical has been discovered in the tap water of about one-third of U.S. homes, a new study has found, and scientists are actively investigating whether it's toxic. The ...