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Pressure Treated Wood With/Without Ammonia (AWPA E12)

Pressure Treated Wood With/Without Ammonia (AWPA E12)

(OP)
Hi all,

I am going to conduct an AWPA E12 test to determine the relative corrosiveness of various PT woods in contact with steel. My goal is to compare the corrosiveness of PT wood with and without ammonia, since western treaters often use ammonia as an additional carrier (these species of wood are harder to treat than SYP). My question is, how difficult will it be to find PT wood for this testing. Ideally, I would like to keep the retention level controlled, and the wood species should be Doug Fir, if possible. The woods that I need will be;

1. CCA
2. ACQ-B (ammonia)
3. ACQ-D (ethanolamine)
4. ACQ-C (ammonia)
5. ACQ-C (ethanolamine)
6. CA-B (no ammonia)
7. CA-B (ammonia added)

I am based out of California, but would not have a problem in having these shipped from various distributors. Any ideas on where to start?

Thanks,
M

RE: Pressure Treated Wood With/Without Ammonia (AWPA E12)

So, ideally you're looking for 7 different Douglas fir lumber samples, each pressure treated with one of the seven treatments listed... did i get that right?t

RE: Pressure Treated Wood With/Without Ammonia (AWPA E12)

How about contacting the pressure treaters in that region directly and asking for samples/scrap of wood with whichever different treatments they use?

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