Chromated Copper Arsenate
Found 8 free book(s)Specification Guide for Wolmanized Wood
www.americanpoleandtimber.comform of inorganic pentavalent arsenate — a naturally occurring trace element. In the treatment process, described on Page 6, the pentavalent arsenate becomes fixed, or chemically bound, in the wood cells as highly leach-resistant insoluble precipitates. 3 The reaction of chromated copper arsenate with the wood
Standard Barb Wire Fence - USDA
efotg.sc.egov.usda.govbe treated with a minimum of 0.40 lbs/cubic foot of chromated copper arsenate (CCA) type A, B, or C or ammoniated copper quat (ACQ) preservative by a method to ensure that complete penetration of the sapwood is obtained or have a 20 year warranty. All bark hall s be removed from the red cedar, osage orange and black locust.
RI DEM/Agriculture- Restricted Use Pesticides List
www.dem.ri.govChromated Copper Arsenate, CCA, Wood-Last, Wolman Conc. Wood Preservative Possible Oncogenic, mutagenic, reproductive effects Wood preservative uses Atrazine Aatrex, Bicep. Surpass, Bullet Buctril, Atrazine, Laddock Herbicide Groundwater water potential, worker exposure concerns Agricultural &/or industrial herbicide. Avermectin Zephyr, Gilmectin,
CCA-Treated Wood Factsheet
www.atsdr.cdc.govChromated copper arsenate (CCA) is a water-soluble inorganic pesticide most commonly used as a wood preservative to make it resistant to attack by termites and fungi that cause decay. The wood is dipped in a solution of CCA and subjected to vacuum pressure to force penetration of CCA into the wood. CCA-treated wood is also referred to as
Outdoor Home Plaground y Safety Handbook
www.cpsc.govSince December 31, 2003, wood that is pressure-treated with the chemical CCA (chromated copper arsenate) is no longer processed for residential use. The chemical contains arsenic. Alternative chemicals that do not contain arsenic are now being used to pressure treat wood for playground/residential use.
The Arsenic Rule - epa.gov
www.epa.gov• Arsenic is found in the preservative chromated copper arsenate (CCA) used to preserve wood. 90% of all arsenic consumed in the U.S. is used in the production of CCA. • Arsenic can be a by-product of mining and smelting, and is of particular concern in …
Methods of Removing Heavy Metals from Industrial Wastewater
jmess.orgindustries where a chromated copper-arsenate wood treatment produces arsenic containing wastes; inorganic pigment manufacturing producing pigments ... nickel, copper and zinc ions, in the solutions. Similarly, the negative ions in the resins such as hydroxyl and
Timber Pile Design and Construction Manual
preservedwood.orgTimber Pile Design and Construction Manual . Table of Contents . 1.0 Introduction . 1.1 Scope of Manual 1.2 Background 1.3 Seismic Design Considerations