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Performance testing of the OSIRIS dust monitoring system

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      <subfield code="a">Performance testing of the OSIRIS dust monitoring system</subfield>
      <subfield code="c">B. Roebuck, N.P. Vaughan and K.Y.K. Chung</subfield>
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      <subfield code="a">OSIRIS is a monitoring system for non-fibrous dusts based on optical scattering methods. It was developed by HSE's Safety Engineering Laboratory primarily for use in the coal-mining industry as an alternative to gravimetric sampling. Up to eight dust monitors can be controlled by a microcomputer via a two-wire telemetry link at distances of up to 8 km. The paper reports the results of comparative tests between OSIRIS and the MRE 113A gravimetric sampler in a calm air dust box, in a wind tunel and in field trials at two collieries. Results show that OSIRIS can be calibrated against the MRE 113A for a given dust and that the calibration is maintained over the normal working range of 0-40 mg m-3</subfield>
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      <subfield code="a">The Annals of occupational hygiene</subfield>
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      <subfield code="t">The Annals of occupational hygiene</subfield>
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      <subfield code="g">nº 3, June 1990 ; p. 263-279</subfield>
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