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Home / DOT Specifications / Iowa / Standard Specifications for Highway and Bridge Construction / 4160
Division 41 — Construction Materials

4160Wood Preservatives

IA · 2023 Standard Specifications✓ Full text on BuildSpecBook pages 1160–1161 Save this section

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4160.01GENERAL REQUIREMENTS

Meet the requirements for the material specified. Meet the requirements of all Federal, State, and local regulations. A.

Creosote. Meet the requirements of AASHTO M 133 (AWPA P1).

B.

Pentachlorophenol (PCP-A). Meet the requirements of AASHTO M 133 (AWPA P35). Ensure petroleum solvent meets the requirements of AWPA HSA for Hydrocarbon Solvent Type A.

C.

Copper Naphthenate (CuN). Meet the requirements of AASHTO M 133 (AWPA P36). Ensure petroleum solvent meets the requirements of AWPA HSA for Hydrocarbon Solvent Type A.

D.

Ammoniacal Copper Zinc Arsenate (ACZA). Meet the requirements of AASHTO M 133 (AWPA P22).

E.

Chromated Copper Arsenate (CCA). Meet the requirements of AASHTO M 133 (AWPA P23).

F.

Micronized Copper Azole (MCA). Meet the requirements of AASHTO M 133 (AWPA P61).

4161.03

Preservative Treatment

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Wood Preservatives in other states

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Source: Iowa Standard Specifications for Highway and Bridge Construction, 2023 Edition. Pages 1160–1161 of 1,288. View official source ↗
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