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The rate at which a volume of light non-aqueous phase liquid, such as oil, will flow through a unit width of porous material, such as soil, for a unit gradient is termed LNAPL transmissivity. Being able to measure LNAPL transmissivity is an important aspect of environmental assessment work. It is possible to measure LNAPL transmissivity via several methodologies (for example, baildown tests,…
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As interest in energy efficiency and green buildings continues to build, it is easy to imagine that property due diligence by prospective buyers and lessees will begin to include such environmental considerations, which can impact property values and rental rates. This is particularly true in light of legislation such as California’s Assembly Bill 1103, a new law that became effective Jan. 1 and…, ASTM WK24707, , Guide for Building Energy Performance Disclosure, is under the jurisdiction of Subcommittee E50.02 on Real Estate Assessment and Management. ASTM WK24707 will be used by professionals conducting due diligence for prospective property purchasers and lessees. “It is anticipated that energy disclosure obligations will be incorporated into the traditional legal obligations of landlords and sellers…
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Outbreaks of the H1N1 influenza this year have increased the public’s awareness and use of leave-on hand antiseptics, popularly known as hand sanitizers. ASTM International Committee E35 on Pesticides and Alternative Control Agents is now developing a proposed new standard that will measure the antibacterial activity of hand sanitizers on people’s hands. ASTM WK23789 , Test Method for Evaluation…
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Six months after the spring 2008 publication of ASTM standard E2600 , Practice for Assessment of Vapor Intrusion into Structures on Property Involved in Real Estate Transactions, the task group that developed it surveyed users to receive feedback on the new standard. According to Anthony Buonicore, CEO of the Buonicore Group and chair of the vapor intrusion task group, the survey results have led…
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Subjects Include Vented Construction Systems, Furnace Exposure and Tunnel Fire Resistance, Subcommittee E05.11 on Fire Resistance, part of ASTM International Committee E05 on Fire Standards, is currently developing a number of proposed standards, including the following three test methods on vented construction systems, furnace exposure on test samples and tunnel fire resistance. All parties interested in working on fire resistance standards are encouraged to join in the activities of…, Vented Construction, Understanding how construction systems will perform in the earliest moments of a fire is crucial. A proposed new ASTM standard, WK22660 , Test Method for Evaluating Fire Performance of Vented Construction, will provide tests for evidence on how vented construction systems are affected by the first five minutes of a fire and will be used to complement existing fire testing methods test results “…, Furnace Exposure, Fire test laboratories and fire protection engineers will be the primary users of proposed new standard ASTM WK23795 , Test Method for Measuring the Uniformity of Furnace Exposure on Test Samples. The proposed standard provides general principles for measuring the uniformity of furnace exposure on samples tested in accordance with the following standards: - ASTM E119 , Test Methods for Fire…, Tunnel Fire Resistance, Fires in tunnels can reach temperatures as high as 2,500°F [1371°C], but current standards that deal with building fires provide for a maximum temperature of 2,000°F [1093°C] and are not specific to tunnels. A proposed new standard, ASTM WK23821 , Test Methods for Tunnel Fire Resistance, will be developed with the special considerations of tunnel fires in mind. According to Barry Badders, manager…
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The U.S. Environmental Protection Agency has determined that the 2008 revision to an ASTM International standard describing the environmental assessment needs of parties involved in the acquisition of forestland and rural properties is now compliant with the agency’s All Appropriate Inquiries Rule (40 CFR Part 312, Standards and Practices for All Appropriate Inquires). The EPA decision came in a…
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Biofilm, which is defined as microorganisms living in a self-organized cooperative community, is still under the radar for many industry, medical, professional and regulatory agencies. A newly approved ASTM International standard is the latest in a series of biofilm standards being developed by Committee E35 on Pesticides and Alternative Control Agents. The new standard, E2647 , Test Method for…
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ASTM International Committee E35 on Pesticides and Alternative Control Agents has now published the last in a series of three ASTM International standards that address the activity of hand hygiene agents against microbes that can be transmitted via contaminated hands. Subcommittee E35.15 on Antimicrobial Agents developed the new standard, ASTM E2613 , Test Method for Determining Fungus-…
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The ASTM standard that describes the environmental assessment needs of parties involved in the acquisition of forestland and rural property has been revised. The revision is an important step toward making ASTM E2247 , Practice for Environmental Site Assessments: Phase I Environmental Site Assessment Process for Forestland or Rural Property, compliant with the U.S. Environmental Protection Agency…
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ASTM International Committee E35 on Pesticides and Alternative Control Agents has begun work on the latest in a series of standards on biofilm. The proposed new standard, WK17813 , Test Method for Quantification of a, Pseudomonas aeruginosa, Biofilm Grown with Low Shear and Continuous Flow Using a Drip Flow Biofilm Reactor, is being developed by Subcommittee E35.15 on Antimicrobial Agents. According to Darla M. Goeres, senior research engineer, Center for Biofilm Engineering, and E35 member, biofilm is defined as microorganisms living in a self-organized cooperative community. These communities, which are embedded in slime and can be…, Pseudomonas aeruginosa, Biofilm Grown with High Shear and Continuous Flow Using CDC Biofilm Reactor; and E2196 , Test Method for Quantification of a, Pseudomonas aeruginosa, Biofilm Grown with Shear and Continuous Flow Using a Rotating Disk Reactor) is that biofilm is grown under low fluid shear close to the air/liquid interface and that the drip flow reactor is a plug flow reactor system, resulting in biofilm that is visible to the naked eye and smooth and slimy in appearance. Biofilm generated in a drip flow reactor could represent those found in a wide spectrum of…