Pressure-treated wood ratings

Where can I find information detailing standards for pressure-treated lumber? Looking for some minimum weathering specifications. PT Green Doug Fir vs PT Redwood, number of years in-ground before rot, number of years above ground, etc.
Does the lumber industry or any other agency publish standards like these, roughly equivalent to milspec for other materials?
-Frank
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Take a look at the PDF at this site, specifically, chapter 14:
http://www.fpl.fs.fed.us/documnts/fplgtr/fplgtr113/fplgtr113.htm
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PDQ

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"Frank Warner" < snipped-for-privacy@verizonDOTnet.net> wrote in message
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Thanks. Lots of material here. Will take a while to sift through it.
-Frank
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