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| 620 days ago |
Treated Wood Identification, Testing - 3 replies Anyone know good web sites, references, contacts to help identify treated lumber, not new lumber which should be labelled, but salvaged wood that may be several decades old? Creosote is fairly obvious, but older CCA (copper chromium arsenic) treated wood is often not (newer looks greenish). Also concerned about “penta” (pentachloroph... |
