3 edition of Evaluating ACQ as an alternative wood preservative system found in the catalog.
Evaluating ACQ as an alternative wood preservative system
1994 by U.S. Environmental Protection Agency, Risk Reduction Engineering Laboratory in Cincinnati, OH .
Written in English
|Statement||Abraham S.C. Chen|
|Contributions||Risk Reduction Engineering Laboratory (U.S.)|
|The Physical Object|
ACQ Treated Wood SDS US Page 1 of 8!! SAFETY DATA SHEET!! 1. Identification t identifier ACQ Treated Wood!! Other means of identification SDS number!! KPC! Recommended use Preservative Treated Wood for various interior and exterior applications.! Recommended restrictions None known.!!!
United States Environmental Protection Agency Risk Reduction Engineering Laboratory Cincinnati, OH Research and Development EPA//SR/ April Project Summary Evaluating ACQ as an Alternative Wood Preservative System Abraham S. Chen This evaluation addresses the waste reduction/pollution prevention and eco- nomic issues involved in replacing chromated copper arsenate.
Evaluating ACQ as an Alternative Wood Preservative System [U.S. Environmental Protection Agency] on *FREE* shipping on qualifying offers. The U.S. Environmental Protection Agency (EPA) was introduced on December 2, by President Richard Nixon. The agency is charged with protecting human health and the environment.
EPA Report Number January EVALUATING ACQ AS AN ALTERNATIVE WOOD PRESERVATIVE SYSTEM by Abraham S. Chen Battelle Columbus, Ohio Contract No. CO Work Assignment No.
Technical Project Monitor Paul Randall Pollution Prevention Research Branch Risk Reduction Engineering Laboratory Cincinnati, Ohio RISK REDUCTION. Alkaline copper quaternary, usually abbreviated ACQ, is a type of water-based wood preservative product containing a soluble copper (II) complex and quaternary ammonium alkyl - or aryl -substituted compounds ("quats").
Thus the product was originally called ammoniacal copper/quaternary ammonium. Copper complex. Quaternary ammonium cations. Get this from a library. Evaluating ACQ as an alternative wood preservative system: project summary.
[Abraham S C Chen; Risk Reduction Engineering Laboratory (U.S.)]. Wood is sealed in the treatment cylinder and a prelimi-nary vacuum is applied for a half an hour or longer to remove the air from the cylinder and as much air as possible from the wood.
The preservative (at ambient temperature or higher, depending on the system) is. wood preservative, resists leaching because it is relatively insoluble in water. Little information is available on the in-service leaching rates of any of these wood preservatives, although CCA has been studied more extensively than the other preservatives.
August Lebow, Stan. Leaching of wood preservative components and their. SOLID W OOD PRODUCTS PRESERVATIVE TREATMENT EVALUATION WITH CCA AND ACQ-B OF FOUR APPALACHIAN WOOD SPECIES FOR USE IN TIMBER TRANSPORTATION STRUCTURES J EFFREY J.
SLAHO R C URT C. HASSLE R R ODNEY C. DEG ROOT D OUGLAS J. GARDNE R A BSTRACT This work investigates the treatability of four Appalachian hardwoods with the. evaluating disodium octaborate tetrahydrate (DOT) wood preservative systems, except when noted otherwise in this % criteria.
Preservative-treated lumber and plywood that is in accordance with this acceptance criteria is subject to the following exposure limitations: % Preservative-treated Wood Exposure Limitations.
Evaluating ACQ as an alternative wood preservative system Technical Report Chen, A.S.C. The evaluation addresses the waste reduction/pollution prevention and economic issues involved in replacing chromated copper arsenate (CCA) with ammoniacal copper/quaternary ammonium. Alkaline Copper Quaternary (ACQ) ACQ wood preservatives (types A, B, C, and D) are composed of copper oxide and a quaternary ammonia compound.
The absence of chemicals like arsenic or chromium has made ACQ one of the most widely used residential wood preservatives. Alkaline copper quaternary (ACQ) Type D is one of several pesticide replacements for CCA as a wood preservative.
To understand any potential for health risks to consumers from the use of ACQ- treated wood, an extensive hazard evaluation and risk assessment was undertaken and is reported herein. The following topics are addressed. Innovation and Benefits: ACQ Preserve ® is an environmentally advanced wood preservative designed to replace chromated copper arsenate (CCA) wood preservatives, which have been phased out because of their toxicity.
ACQ Preserve ® will eliminate the use of 40 million pounds of arsenic and 64 million pounds of hexavalent chromium each year. It also avoids the potential risks associated with.
ACQ-B treated wood has a dark greenish-brown color that fades to a lighter brown and may have a slight ammonia odor until the wood dries.
Wood treated with ACQ-D has a lighter brown color and little noticeable odor, while the appearance of wood treated with ACQ-C varies between that of wood treated with ACQ-B or ACQ-D, depending on the Size: KB.
Chapter 15 Wood Preservation Before a wood preservative can be approved for pressure treatment of structural members, it must be evaluated to ensure that it provides the necessary durability and that it does not greatly reduce the strength properties of the wood.
The EPA typically does not evaluate how well a wood pre-servative protects the wood. Our preservative products Ecolife®, Preserve® ACQ and Preserve® CA are all treated under the AWPA standards for above ground or ground contact retentions to provide proven wood protection. Ecolife, with its built-in wood stabilizing system, has been specifically designed for above ground use, and as such has been proven to perform.
Ecolife. ACQ, or Alkaline Copper Quat, is a copper based preservative system that provides long term protection from rot, decay, and termites without the presence of hazardous chemicals.
For over ten years, ACQ Preserve has been the standard for environmentally sensitive wood treatment, offering long-term protection for a wide variety of residential and. ACQ was the recipient of the US EPA Presidential Green Chemistry Challenge.
Ecolife Stabilized Weather-Resistant Wood is an environmentally-advanced wood protection system, the only wood preservative with an integrated stabilizer standardized by the American Wood. Alternatives to CCA Treated Wood – Revised 7/22/04 Page 2 ACQ treated wood does not have a detectable odor from the preservative.
It can also be painted and stained with both oil and latex paints. Adhesion of paint and stain on ACQ treated wood performs the same as on untreated wood and out-performs CCA treated wood.
It can beFile Size: KB. IMPACTS OF WOOD PRESERVATIVES (CCA, CCB, CDDC, ACZA, ACQ AND ACC) ON THE SETTLEMENT AND GROWTH OF FOULING ORGANISMS B. Tarakanadha1*, Jeffrey J. Morrell2, and K. Satyanarayana Rao1 1Institute of Wood Science & Technology, Malleswaram, BangaloreIndia 2 Department of Wood Science & Engineering, Oregon State University, Corvallis, Oregon File Size: 76KB.
The NatureWood® lumber preservative is a waterborne, alkaline copper quaternary preservative system developed to provide long-term protection of wood exposed in exterior applications. The NatureWood® system is based on the well-established effectiveness of copper combined with an organic quaternary compound and is applied to wood by pressure.
Wood treated with chemicals other than arsenic Ammoniacal Copper Quaternary (ACQ): Like Chromated Copper Arsenate, ACQ acts as a biocide to prevent insects and fungi from attacking wood. ACQ treated wood can be used above ground, in contact with ground, and in fresh water immersion applications.
ACQ is not approved for saltwater Size: 46KB. WOOD PRESERVATION & WOOD PRODUCTS TREATMENT PEST CONTROL STUDY GUIDE Volume X ( - Version) NEVADA STATE DEPARTMENT OF AGRICULTURE Capitol Hill Ave.
McLeod St Reno, Nevada Las Vegas, File Size: 6MB. The AWPA specifications require that the temperature of the preservative during the entire pressure period not exceed degrees Fahrenheit (49 degrees Celsius) for ACC and CCA and degrees Fahrenheit (60 degrees Celsius) for ACQ-B, ACQ-D, ACZA, CBA-A, CA-B, and CDDC.
The maximum temperature for inorganic boron is degrees Fahrenheit ( OECD () OECD Guidance on the Estimation of Emissions from Wood Preservative-Treated Wood to the Environment: for Wood held in Storage after Treatment and for Wooden Commodities that are not covered and are not in Contact with Ground.
Series on Testing and Assessment No. OECD Environment, Health and Safety : Lebow Stan, Lebow Patricia, Hirth Kolby.
NatureWood® (ACQ) & (CA) End Uses. When using treated wood in “close proximity” to the ground or in applications in or around fresh water areas, it is recommended that all treated wood products used be treated to a “Ground Contact” preservative retention level. Examples for “close ground proximity” are ground level deck joists.
A cradle-to-grave life cycle assessment was done to identify the environmental impacts related to alkaline copper quaternary (ACQ)-treated lumber used for decking and to determine how the impacts compare to the primary alternative product, wood plastic composite (WPC) by: CLEAR-GUARD TM is applied to wood products through vacuum pressure impregnation as described in the American Wood Protection Associations (AWPA) Standards.
PRODUCT DESCRIPTION AND INFORMATION CLEAR-GUARD TM is a colorless, solvent-based (low odor mineral spirits) preservative system containing Permethrin (insecticide) and IPBC (fungicide) which. ACQ preservative solution (2%) was prepared and the full-cell method was used to ensure preservative retention of specimens above kg/m 3 (K2 grade), kg/m 3 (K3 grade), and kg/m 3 (K4 grade) according to the Chinese National Standard First, the wood specimens were placed into an impregnation vessel and preliminary vacuum was Cited by: 6.
T he following guidelines can help field employees select wood preservatives that are most appropriate for their projects (figure 6). Selecting a Wood Preservative. The type of preservative that is most appropriate depends on the species of wood being treated, the type of structure, the cost, the availability of treated wood, and the specific area where the wood will be used.
Our preservative products Ecolife®, Preserve® ACQ and Preserve® CA are all treated under the AWPA standards for above ground or ground contact retentions to provide proven wood protection. Ecolife, with its built-in wood stabilizing system, has been specifically designed for above ground use, and as such has been proven to perform.
Micronized Copper Azole Preservative YellaWood ® brand products are treated with a micronized copper preservative. Micronized Copper Snapshot. Treatment Type: Micronized Copper Azole (MCA) Environmental Certification of the Treatment Process: Environmentally Preferable Product certification by Scientific Certification Systems based on Life-Cycle Assessment for Koppers MCA treated products.
Preservative treatment ACQ preservative solution (2%) was prepared and the full-cell method was used to ensure preservative retention of specimens above kg/m 3(K2 grade), kg/m (K3 grade), and kg/m3 (K4 grade) according to the Chi-nese National Standard.
ACQ is considered as an alternative to CCA treatment. Nevertheless, because of its higher level of copper, ACQ-treated wood is more corrosive to common steel and the use of double-galvanised or stainless steel fasteners is necessary for this kind of treated wood processing (US DOI, ).
Preservative treatment evaluation with CCA and ACQ-B of four Appalachian wood species for use in timber transportation structures. Forest Prod. 47(9) Nowadays Tanalith® E (which is a copper azole based preservative) is the most widely used alternative wood preservative across Europe.
In the present paper Tanalith® E impregnated wood. Preserve® is treated with ACQ®, a new generation copper plus quat preservative system that provides long-term protection from rot, decay and termites for a wide variety of residential, commercial and industrial building applications.
Product Features zProtected with ACQ, a new generation wood preservative zDoes not contain arsenic or chromiumFile Size: 27KB. The timber is loaded into a pressure chamber, preservative is added and high pressure is applied to force the preservative deeper into the wood.
Pressure treatment is preferred over alternative brush, spray, or bathing options as surface treatments are not suitable for long term integrity. Earlier studies documented the loss of wood preservatives from new wood.
The objective of this study was to evaluate losses from weathered treated wood under field conditions by collecting rainfall leachate from 5 different wood types, all with a surface area of m samples included weathered chromate copper arsenate (CCA) treated wood at low ( kg/m 3), medium ( kg/m 3) and.
Water based preservatives like AMQUAT SS leave a dry, paintable surface. ACQ is registered for use on: lumber, timbers, landscape ties, fence posts, building and utility poles, land, freshwater and marine pilings, sea walls, decking, wood shingles, and other wood structures.
Wood preservation is the pressure or thermal impregnation of chemicals into wood to provide effective long-term resistance to attack by fungi, bacteria, insects, and marine borers. Wood preservation The degree of protection afforded by a wood preservative depends upon the Quantity of preservative retained by the timber, The depth of penetration.What is Treated Wood.
Treated wood is manufactured by pressure injection of a preservative into wood. The longevity of common species of wood can be increased significantly through this process.
When properly treated and used, wood can resist damage from termites and decay fungi for decades. Typical applications for this wood include.The NatureWood wood preservative is a waterborne, preservative system developed to provide long-term protection of wood exposed in exterior applications.
The NatureWood system is based on the well-established effectiveness of copper combined with a co-biocide .