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REDWOOD — What began with a swamp and a dream will be celebrated on Sunday with swank and esteem when the Indian River Lakes Conservancy celebrates its 25th anniversary.
SGS AG: New Specification for Barrier Face Coverings The ASTM Subcommittee for Respiratory Protection (F23.65) has published F3502 - Standard Specification for Barrier Face Coverings. Intended to be worn by the general public and workers, barrier face coverings are defined as a product worn on the face specifically covering at least the wearer's nose and mouth with the primary purpose of providing source control and to provide a degree of particulate filtration to reduce the amount of inhaled particulate matter. ASTM F3502 establishes minimum design, performance (testing), labeling, user ins...