Assessments - 1, GPA: 4 ( )

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To ensure compatibility, the selected exhaust duct material should match the enclosure, procedures and chemical applications. 15 Chapter 3: Getting Started Figure 3-2 XPert Filtered Balance Station only Model Series 3940200, 3940300, and 3940400 16 Chapter 3: Getting Started Figure 3-3 Exhaust Duct Connection Kit shown installed on XPert Filtered Balance System (Optional) Kit #3924400 (2'), 3924401 (3'), and 3924402 (4') 17 Chapter 3: Getting Started HEPA ACCESSORY CARBON Installation of HEPA Filters and Accessory Odor Control CarbonFilters HEPA Filters HEPA filters are shipped installed with the gasket on the downstream side. The HEPA filters are leak checked at Labconco. A second leak check is recommended before using the enclosure and at least annually thereafter. Consult your Safety Officer and Chapter 6 for the HEPA Filter Leak Test and HEPA Filter BagIn/ Bag-Out Procedure. See Figure 4-2 for HEPA filter location, HEPA filter gasket, filter clamp bolts, and bag-in/bag-out flange. The XPert enclosures have a true bag-in/bag-out HEPA filter to safely dispose of the filter. All seams upstream of the HEPA filter are jacketed by negative pressure. This intrinsically safe design ensures containment. Carbon Filters (Accessory for Odor Control only) For carbon filter installation, first remove the upper perforated cover, secured by Phillips head screws, on the top of the enclosure. See Figures 4-1 and 4-2 for location of the upper perforated cover. See Chapter 7 for a list of available carbon filters. All carbon filters are simply gravity installed with the gasket side down and down stream on the exhaust side of the HEPA filter. Install the correct carbon filter for the application. 18 Chapter 3: Getting Started Filter Type Appropriate Use HEPA 2' 3707900 3' 3707901 4' 3707902 HEPA filters are high-efficiency particulate air filters having a particulate removable efficiency of 99.99% for particles with a diameter of 0.3 micron. Organic Vapor Activated Carbon 2' 3937200 3' 3937300 4' 3937400 Adsorbs organic compounds designated by NIOSH guidelines as acceptable for use with chemical cartridge-type respirators. Concentrations in the enclosure’s work area must not exceed the IDLH for the chemical and the exhaust from the enclosure must not exceed the TWA. Formaldehyde (Formalin) 2' 3937201 3' 3937301 4' 3937401 Formaldehyde requires the use of an impregnated carbon for the treatment of formaldehyde. Concentrations in the enclosure’s work area must not exceed the IDLH for the chemical and the exhaust from the enclosure must not exceed the TWA. Ammonia and Amines 2' 3937202 3' 3937302 4' 3937402 Treats ammonia, low molecular weight amines and other bases designated by NIOSH as acceptable for use with ammonia cartridge type respirators. Requires the use of an impregnated carbon. Concentrations in the enclosure’s work area must not ...

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