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RE: Wood Preservative

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David,

The following are still the most common forms of treatment for timber piles:

1. Water-borne (Copper Chrome Arsenic [CCA], Alkaline Copper Quaternary [ACQ], Copper Azole [CuAz])
2. Solvent-borne (Light Organic Solvent Preservative [LOSP])
3. Oil-borne (Creosote, Pigment Emulsified Creosote [PEC])

 

In regard to the CCA treatment, there are some alternative treatments listed at the following link: http://www.tanalised.com

 

HTH,

 

Randall Collier

 


From: M. David Finley, P.E. [mailto:pec(--nospam--at)isgroup.net]
Sent: Tuesday, April 12, 2005 8:50 AM
To: seaint(--nospam--at)seaint.org
Subject: Wood Preservative

 

Is chromated copper arsenate (CCA) still permitted for use in timber piles?  If not, what is the state of the art?

 

David Finley