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  • Air Sampling & Analysis, LAB III
    square root of 2 Perform this calibration for the 10X and 40X objectives View the stage micrometer with the 100X objective using immersion oil Take care to contact only the cover slip the 100X objective with oil Do not attempt to clean the objective Calibrate the graticule at 100X magnification Prepare a calibration for each objective as shown in Table I Part III Sizing of collected particles density 2 65 gm cc Prepare a slide from the open face filter sample collected for microscopic analysis as follows 1 Cut a pie shaped wedge of the filter with an arc of about 1 cm and place it on the end of a clean glass slide 2 Place a drop of mounting medium on the center of the slide with the applicator Do not allow the applicator to touch the slide or anything else With a toothpick smear the oil into a shape and size similar to the filter wedge 3 With forceps place the wedge on top of the oil and allow it to soak through There should not be too much oil on the slide that it washes across the filter surface The oil should be completely absorbed by the filter 4 Place a cover slip on top of the filter and wait few minutes for the filter to become transparent If the slide is not satisfactory try again Determine the size distribution of the collected particles with the 40X objective as discussed below 1 Focus on the filter and choose a field at random eyes away from the microscope One by one compare all the particles whose centers fall within the field the six rectangles on the left side of the reticule to the nine Porton circles For each particle select the circle which has the same projected area or a projected area slightly larger than the particle s projected area Indicate your selection by pressing the appropriate lever on the counter or by a tally matrix 2 There should be 3 7 particles in each small rectangle Fewer particles will require more time for sizing and more particles means that it may not be possible to keep track of which particles have been sized and which have not 3 When all particles on a given field have been sized select a new field at random Continue until you have sized 200 particles Present the size distribution data as shown in Table II and plot the data on the provided log normal distribution graph paper Include all information related to the optical system used in the experiment objective type magnification numerical aperture etc Repeat the size distribution measurement with the 100X objective under oil immersion Prepare a new data Table II Plot the data on the same log normal graph sheet used for the 40X sizing Part IV Answer the following questions 1 Describe the appearance of the particles Include such things as shape color and other identifying characteristics 2 Describe the difference in appearance of the particles in

    Original URL path: http://campus.murraystate.edu/academic/faculty/BAtieh/lab3.htm (2016-01-26)
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  • AIHA, MSU Student Chapter
    subsidized expenses Graduate school and placement recommendations To be considered for local chapter membership undergraduates must be in good academic standing with a minimum GPA of 2 7 and graduates with a minimum GPA of 3 00 AIHA ASSE ASSE is NOT a substitution to AIHA Dues Apply to all students National 10 00 per year Student Local Chapter 15 00 per term Subscription to the AIHA journal is 35

    Original URL path: http://campus.murraystate.edu/academic/faculty/BAtieh/general.htm (2016-01-26)
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  • AIHA, Chapter's Policy
    to the AIHA Student Local Chapter at Murray State University is a privilege and not a right The Chapter will respect this and indisputably enforce it The Student Local Chapter shall not tolerate passive members and irresponsible students The Chapter

    Original URL path: http://campus.murraystate.edu/academic/faculty/BAtieh/policy.htm (2016-01-26)
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  • AIHA, Chapter's Goals & Objectives
    encourage study groups and academic support among students To encourage students to use our open hours laboratories for more hands on learning experience To have at least 4 speakers per year to address industrial hygiene topics and issues of interest to students To restore and maintain our scholarship program and to offer at least one scholarship award during the spring semester To create a chapter s homepage and to actively

    Original URL path: http://campus.murraystate.edu/academic/faculty/BAtieh/goals.htm (2016-01-26)
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  • AIHA, Chapter's Term Activities
    responsible to log all members activities and keep records of earned points Officers are responsible to regularly up date the Kentuckiana Local Section Local Sections Council and National AIHA of all activities achieved and scheduled by the Chapter Officers are responsible to forward the list of all actively enrolled students and a copy of their attendance record to all above agencies Officers at the end of every semester are responsible

    Original URL path: http://campus.murraystate.edu/academic/faculty/BAtieh/term.htm (2016-01-26)
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  • AIHA, Chapter's Achievements
    chapter to receive this award 2001 2002 Student Section of the Year Award 2003 2004 Student Section of the Year Award 2005 2006 Student Section of the Year Award 2007 2008 Student Section of the Year Award 2009 2010 Student

    Original URL path: http://campus.murraystate.edu/academic/faculty/BAtieh/awards.htm (2016-01-26)
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  • AIHA, Students' Scholarship Providers
    AIHA The Essential Source Students Scholarship Providers AIHA Foundation Kentuckiana AIHA Local Section Middle Tennessee AIHA Local Section Mid South AIHA Local Section AIHA MSU Student Chapter

    Original URL path: http://campus.murraystate.edu/academic/faculty/BAtieh/funds.htm (2016-01-26)
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  • AIHA Related Links
    Industrial Hygiene Association ABIH American Board of Industrial Hygiene ACGIH American Conference of Governmental Industrial Hygienists National Institute for Occupational Safety and Health NIOSH Pocket Guide NIOSH International Chemical Safety Cards U S Environmental Protection Agency U S Food and

    Original URL path: http://campus.murraystate.edu/academic/faculty/BAtieh/links.htm (2016-01-26)
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