Zefon PCM 25mm air sampling cassettes are designed and manufactured to meet all applicable NIOSH, OSHA, and EPA standards. The cassette housings are injection molded in-house and are individually assembled and preloaded under stringent quality control standards. Once assembled, each cassette is individually tested prior to packaging for shipment. Random lot sample testing is performed daily by an independent laboratory to ensure low background fiber counts. Laboratory results are available upon request.
- Quality 0.8um MCE Filter Material with or without grids (PCM models)
- Quality 0.45um + 5.0um MCE Filter Material (TEM models)
- 2" Static Conductive Extension Cowl
- Meets NIOSH 7400/7402 specifications
- Meets AEHRA Requirements (TEM Model)
- Each cassette is marked with a unique serial number
- Preloaded - ready to use
PCM - Phase Contrast Microscope analysis is specified in the OSHA and NIOSH 7400 sampling methods. PCM methods are intended for personal monitoring pumps. The analyst examines a known area of the filter and counds fibers >5 μm long and >0.25 μm in diameter. All fiber types, asbestos and non-asbestos, are counted; fiber types cannot be distinguished. This method is used mainly for personal samples and occupational exposures to meet OSHA requirements. Total fiber concentrations are given in Fibers per mm2 of filter area and Fibers per mL (same as Fibers per cc). Particle sizing of material roughly 1-100 μm in size can also be performed using PCM.
BOX OF 50
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