Facility Firestop Barriers

Items designed to create physical barrier or firestop within buildings to prevent fire, smoke, or toxic gas spread. Barrier types include: preformed blocks, sleeves, and sheets.

Grainger PUTTY CERAMIC 3 LB.

502760397 PUTTY CERAMIC 3 LB.

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Grainger DT Cartridge Hg(NO3)2 0.2256 N

DT Cartridge Hg(NO3)2 0.2256 N

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Grainger DT Cartridge NaOH 0.1600 N

DT Cartridge NaOH 0.1600 N

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S2 Media 10mL EC Medium, 16x125mm Polystyrene Tube with Inverted Durham Tube, 50/box

EC (Escherichia coli) Medium is a selective enrichment broth utilized for the detection of coliform bacteria and Escherichia coli at elevated temperatures. EC Broth, developed by Hajna and Perry, is a buffered lactose medium with casein peptones and bile salts. Lactose supports coliform growth, peptones provide nutrients, and bile salts inhibit gram-positive bacteria. Fecal coliforms are detected by lactose fermentation with gas production in Durham tubes under elevated incubation: 24 h at 44.5 °C for water, wastewater, and shellfish; 48 h at 45.5 °C for other foods (44.5 °C for shellfish).• Product meets AOAC, APHA, BAM, EPA, ISO, and SMWW reference methods and performance criteria.• EC Broth should be used by trained professionals within a laboratory setting. • Product is not intended for use in the diagnosis or treatment of disease or other human conditions.