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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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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…
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Healthcare workers who inspect radiation protection garments will be the primary users of a proposed new ASTM International standard, WK15823 , Practice for the Fluoroscopic Inspection of Radiation Protection Garments. The proposed practice is being developed by Subcommittee F23.70 on Radiological Hazards, part of ASTM International Committee F23 on Protective Clothing. “Besides visual…
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Biofilm, self-organized communities of bacteria that can have both positive and negative effects in a variety of industries, is the subject of a new ASTM International standard, E 2562 , Test Method for Quantification of Pseudomonas aeruginosa Biofilm Grown with High Shear and Continuous Flow Using CDC Biofilm Reactor. The new standard is under the jurisdiction of Subcommittee E35.15 on…
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Two proposed new standards currently being developed by ASTM International Committee F23 on Protective Clothing will each contribute to the safety of protective clothing. Interested parties are invited to participate in the development of both proposed standards, which are WK14247 , Specification for Air-Fed Protective Ensembles and WK14442 , Antimicrobial Activity of Textiles Following Multiple…, WK14247, Specification for Air-Fed Protective Ensembles, Subcommittee F23.30 on Chemicals invites users and manufacturers of air-fed protective ensembles to participate in the development of a proposed new standard WK14247 . This proposed specification would establish design, performance, documentation, labeling and certification requirements for protective ensembles that rely on principal air supply to the wearer via an air line or air filtered…, WK14442, Antimicrobial Activity of Textiles Following Launderings with Bleach, Antimicrobial treatments often are applied to textiles to impart durable efficacy, reducing the survival and growth of microorganisms on the textile. A proposed new ASTM standard, WK14442 , under the jurisdiction of F23’s biological subcommittee, F23.40 , would ensure these antimicrobial agents would continue to work throughout a garment’s life span. “Over the last 10 years, the industry has…
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Responding to a new emphasis by regulatory agencies that firms manufacturing drug products demonstrate the efficacy of disinfectants used in controlled environments, ASTM International Committee E35 on Pesticides and Alternative Control Agents has begun to develop a proposed new standard, WK12880 , Guide for Evaluation of Clean Room Disinfectants. WK12880 is under the jurisdiction of Subcommittee…
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ASTM International Committee F23 on Personal Protective Clothing and Equipment has developed a new standard in response to a United States Food and Drug Administration ruling to change how the marketing of surgical gowns is regulated. The new standard, F 2407 , Specification for Surgical Gowns Intended for Use in Healthcare Facilities, is under the jurisdiction F23’s biological subcommittee, F23.…
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ASTM International Committee F16 on Fasteners has recently approved an important new standard that deals with coated threaded fasteners and washers by hot-dip zinc galvanizing. The standard, F 2329, Specification for Zinc Coating, Hot-Dip, Requirements for Application to Carbon and Alloy Steel Bolts, Screws, Washers, Nuts and Special Threaded Fasteners, is under the jurisdiction of Subcommittee…
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A new publication about the performance of protective clothing is now available from ASTM International. STP 1462, Performance of Protective Clothing: Global Needs and Emerging Markets, 8th Symposium , includes 19 peer-reviewed papers that address topics related to the performance of protective clothing for government and industrial workers, first responders, and civilians. A vital resource for…