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eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2011
ISBN: 978-0-8031-7519-8
... A need exists to develop realistic surfaces, with differing degrees of surface roughness, to standardize methods for sampling and cleaning of environmental contaminants. This study reports on development and characterization of a novel means to create reproducible wood surfaces...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2011
ISBN: 978-0-8031-7519-8
... < 0.0001 ). The median value and the variance ofthe result distribution were higher in flooded buildings as compared to non-flooded buildings. In the non-flooded buildings, surfaces were divided into visually clean and visually dirty. As expected the level of bacteria was higher on the visually dirty...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2000
ISBN-10: 0-8031-2875-4
ISBN: 978-0-8031-2875-0
... treatment methods that were evaluated to determine if there is an effective means of restoring or providing a more uniform granite finish. granite weathering stone deterioration cleaning Michael J. SchefflerI and John D. Lesak2 Natural Weathering of Granite: A Case Study Reference: Scheffler, M...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2000
ISBN-10: 0-8031-2871-1
ISBN: 978-0-8031-2871-2
... heats of combustion, two for flat gasket combustion, two for oxygen aging of polymeric materials, one test specific for metals combustion, and five cleaning processes. This paper presents short summaries for many of these test procedures. oxygen oxygen-enriched oxygen systems compatibility...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1997
ISBN-10: 0-8031-2401-5
ISBN: 978-0-8031-2401-1
... percent oxygen can be handled in the same manner as high pressure air. This approach would include the use of materials are that are not very oxygen compatible, and little or no cleaning or contamination control. In this article, the authors would like to assert that this approach carries...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1996
ISBN-10: 0-8031-2049-4
ISBN: 978-0-8031-2049-5
... by cleaning; and that preconstruction testing of sealants and proper material selection can help to avoid staining of sealant. ASTM cleaning dirt oil penetration polyurethane poultice sealant silicone stain substrate testing Ian R. Chin, 1 Todd A. GolTell,2 and Michael J. Scheffler3...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1996
ISBN-10: 0-8031-2006-0
ISBN: 978-0-8031-2006-8
... In historic structures, other criteria for evaluation of stone cleaning become as or more significant than mere cleanliness. Preservation of the original surface, the effect on the surface's future durability, environmental effects, and the nature and causes of distress, must be considered. New...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1996
ISBN-10: 0-8031-1987-9
ISBN: 978-0-8031-1987-1
... with mass spectrometry, showed a variety of contaminants, some a significant concentrations. The relative effectiveness of six laundering techniques was determined against five materials using a technique to reproducibly contaminate and evaluate contaminant levels with six target chemicals. Dry cleaning...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1996
ISBN-10: 0-8031-2405-8
ISBN: 978-0-8031-2405-9
... of validation. Once the process is defined, it can be successfully scaled up to prepare clinical trial material. SOPs must be written for buffer preparation, operation and maintenance of the columns and systems, storage, cleaning, and criteria for acceptability of a column for initial use and lifetime...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1994
ISBN-10: 0-8031-1993-3
ISBN: 978-0-8031-1993-2
... The quality of silicone sealant adhesion to anodized aluminum varies widely. Key parameters that affect adhesion are the degree of surface sealing, the nature of the cleaner, and the time period allowed between cleaning the substrate and sealant application. While the cleaners display different...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1993
ISBN-10: 0-8031-1496-6
ISBN: 978-0-8031-1496-8
... An aqueous fine clean process has been developed for large-scale, complex rocket engine hardware required to meet a cleanliness level of less than 10 mg/m 2 (<1 mg/ft 2 ) nonvolatile residue (NVR) and no particles greater than 400 μm in any dimension. The hardware must be compatible...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1991
ISBN-10: 0-8031-1461-3
ISBN: 978-0-8031-1461-6
... Inspection of a new liquid oxygen (LOX) component revealed that it was not visibly clean. A sampling procedure was developed to sample the contaminant for chemical analysis, the composition of the contaminant was determined, and the component was cleaned. Finally, an assessment is made...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1991
ISBN-10: 0-8031-1461-3
ISBN: 978-0-8031-1461-6
... Due to the risk, of fire, oxygen compressors are distinctly different,from machines for other gases. Consequently, it must be ensured through active and passive measures during construction, selection of material, manufacture, cleaning, erection, commissioning and quality assurance that any...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1990
ISBN-10: 0-8031-1406-0
ISBN: 978-0-8031-1406-7
... coupon tests coupon quality cleaning pickling oxide formation pyrophoric film Te-Lin Yau, 1Jeff A. Andrews, 1 H. Rob Henson, 1 and Derrill R. Holmes 1 Practice for Conducting Corrosion Coupon Tests on Zirconium and Its Alloys REFERENCE: Yau, T.-L., Andrews, J. A., Henson, H. R., and Holmes, D. R...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1988
ISBN-10: 0-8031-4477-6
ISBN: 978-0-8031-4477-4
... Optical absorption values of uncoated calcium fluoride and fused silica substrates were measured at 351 nm using the 3-slope laser calorimetry technique. In addition, various substrate cleaning techniques were tried in order to lower the absorption, and to assess the contribution of surface...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1988
ISBN-10: 0-8031-1164-9
ISBN: 978-0-8031-1164-6
.... anchorage anchor holes bond breakers caulking cleaning epoxy finish freeze-thaw granite jointing limestone marble natural stone panels permeability precast concrete properties repair responsibilities safety factors samples sandwich panels shear capacity shop drawings sizes thickness...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1985
ISBN-10: 0-8031-0402-2
ISBN: 978-0-8031-0402-0
... The author proposes a decision chart for the use of building owners, designers, and contractors to assist with the selection of an appropriate technique for cleaning masonry walls. The decision chart considers the nature of the masonry, the source of the soiling, and most importantly the reason...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1984
ISBN-10: 0-8031-0236-4
ISBN: 978-0-8031-0236-1
... In the early 1960s the concept of cleaning/protecting steel surfaces was pioneered by the Steel Structures Painting Council (SSPC). The discovery was made that zinc could be transferred from the steel shot to the steel substrate during the cleaning operation in such a way that the onset of re...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1980
ISBN-10: 0-8031-0705-6
ISBN: 978-0-8031-0705-2
... titanium alloys copper alloys cleaning geothermal W. R. Braithwaite^ and K. A. LichtP Surface Corrosion of Metals in Geothermal Fluids at Broadlands, New Zealand REFERENCE: Braithwaite, W. R. and Lichti, K. A., "Surface Corrosion of Metals In Geothermal FInids at Broadlands, New Zealand," Geothermal...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1979
ISBN-10: 0-8031-0334-4
ISBN: 978-0-8031-0334-4
... Erosion damage was estimated for the first stage of a large electric utility gas turbine based on projected particle distributions in the gas leaving the hot gas cleaning system of a pressurized fluidized-bed gasifier system. Based on the assumptions used in making the estimates, cleaning...