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<br /> D...Sign Envelope ID:79C5D167-136CA-4E59-134AC-AA38CC1 B20BD
<br /> GPDX
<br /> Occupational Safety and Health Admin., Labor §1910.1030
<br /> APPENDIX B TO §1910.1029—INDUSTRIAL HY- 10. Weigh the Teflon cup and the weight
<br /> GIENE AND MEDICAL SURVEILLANCE GUIDE- gain is due to the benzene soluble residue in
<br /> LINES half the Sample.
<br /> I.INDUSTRIAL HYGIENE GUIDELINES H.MEDICAL SURVEILLANCE GUIDELINES
<br /> A. Sampling (Benzene-Soluble Fraction A. General. The minimum requirements for
<br /> Total Particulate Matter). the medical examination for coke oven
<br /> Samples collected should be full shift (at workers are given in paragraph (j) of the
<br /> least 7-hour) samples. Sampling should be standard. The initial examination is to be
<br /> done using a personal sampling pump with provided to all coke oven workers who work
<br /> pulsation damper at a flow rate of 2 liters at least 30 days in the regulated area. The
<br /> per minute. Samples should be collected on examination includes a 14"x 17'posterior-an-
<br /> 0.8 micrometer pore size silver membrane fil- terior chest x-ray reading, pulmonary func-
<br /> ters (37 mm diameter) preceded by Gelman tion tests(FVC and FEV 1.0),weight, urinal-
<br /> glass fiber type A-E filters encased in three- ysis, skin examination, and a urinary
<br /> piece plastic(polystyrene)field monitor cas- cytologic examination. These tests are need-
<br /> settes. The cassette face cap should be on ed to serve as the baseline for comparing the
<br /> and the plug removed. The rotameter should employee's future test results. Periodic
<br /> be checked every hour to ensure that proper exams include all the elements of the initial
<br /> flow rates are maintained. exam, except that the urine cytologic test is
<br /> A minimum of three full-shift samples to be performed only on those employees
<br /> should be collected for each job classifica- who are 45 years or older or who have worked
<br /> tion on each battery, at least one from each for 5 or more years in the regulated area;
<br /> shift. If disparate results are obtained for periodic exams,with the exception of x-rays,
<br /> particular job classification, sampling are to be performed semiannually for this
<br /> should be repeated. It is advisable to sample group instead of annually; for this group, x-
<br /> each shift on more than one day to account rays will continue to be given at least annu-
<br /> for environmental variables(wind,precipita- ally. The examination contents are min-
<br /> tion, etc.) which may affect sampling. Dif- imum requirements; additional tests such as
<br /> ferences in exposures among different work lateral and oblique x-rays or additional pul-
<br /> shifts may indicate a need to improve work monary function tests may be performed if
<br /> practices on a particular shift. Sampling re- deemed necessary.
<br /> sults from different shifts for each job classi- B.Pulmonary function tests.
<br /> fication should not be averaged. Multiple Pulmonary function tests should be per-
<br /> samples from same shift on each battery formed in a manner which minimizes subject
<br /> may be used to calculate an average expo- and operator bias. There has been shown to
<br /> sure for a particular job classification. be learning effects with regard to the results
<br /> B.Analysis. obtained from certain tests,such as FEV 1.0.
<br /> 1. All extraction glassware is cleaned with Best results can be obtained by multiple
<br /> dichromic acid cleaning solution,rinsed with trials for each subject. The best of three
<br /> tap water, then dionized water, acetone, and trials or the average of the last three of five
<br /> allowed to dry completely. The glassware is trials may be used in obtaining reliable re-
<br /> rinsed with nanograde benzene before use. sults. The type of equipment used(manufac-
<br /> The Teflon cups are cleaned with benzene turer, model, etc.) should be recorded with
<br /> then with acetone. the results as reliability and accuracy varies
<br /> 2. Pre-weigh the 2 ml Teflon cups to one and such information may be important in
<br /> hundredth of a milligram (0.01 mg) on an the evaluation of test results. Care should be
<br /> autobalance AD 2 Tare weight of the cups is exercised to obtain the best possible testing
<br /> about 50 mg. equipment.
<br /> 3. Place the silver membrane filter and [39 FR 23502, June 27, 1974, 41 FR 46784, Oct.
<br /> glass fiber filter into a 15 ml test tube. 22, 1976, as amended at 42 FR 3304, Jan. 18,
<br /> 4. Extract with 5 ml of benzene for five 1977; 45 FR 35283, May 23, 1980; 50 FR 37353,
<br /> minutes in an ultrasonic cleaner. 37354, Sept. 13, 1985; 54 FR 24334, June 7, 1989;
<br /> 5.Filter the extract in 15 ml medium glass 61 FR 5508, Feb. 13, 1996; 63 FR 1290, Jan. 8,
<br /> fritted funnels. 1998; 63 FR 33468, June 18, 1998; 70 FR 1142,
<br /> 6. Rinse test tube and filters with two 1.5 Jan,5, 2005;71 FR 16672, 16673,Apr. 3,2006; 71
<br /> ml aliquots of benzene and filter through the FR 50189, Aug. 24, 2006; 73 FR 75585, Dec. 12,
<br /> fritted glass funnel. 20081
<br /> 7. Collect the extract and two rinses in a 10
<br /> ml Kontes graduated evaporative concen- §1910.1030 Bloodborne pathogens.
<br /> trator.
<br /> 8.Evaporate down to 1 ml while rinsing the (a)Scope and Application. This Section
<br /> sides with benzene. applies to all occupational exposure to
<br /> 9. Pipet 0.5 ml into the Teflon cup and blood or other potentially infectious
<br /> evaporate to dryness in a vacuum oven at 40 materials as defined by paragraph (b)
<br /> °C for 3 hours. of this section.
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