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HAGER LABORATORIES, INCORPORATED
ANALYTICAL SERVICES FOR INDUSTRY
REPORT ON SERVICE NUMBER 10808
March 16, 1984
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To : Analysis: Method:
Results: Discussion:
D. H. Morman Shell Development Houston, TX
The following samples were submitted for analysis: Thirty-seven membrane filter samples and one blar*T< for asbestos count.
ASBESTOS (count) The asbestos content of each filter sample was analyzed following NIOSH procedure P&CAM 239. Wedges from each filter were examined at 450 power using polarizing and phase contrast microscopes. Birefringent fibers longer than five (5) microns with a length-to-width ratio of 3:1 or more were counted as asbestos.
Data is tabulated in Table 1 and 2 of this report.
The OSHA permissible exposure limit (PEL) for asbestos is 2 fibers/cc.
ND( ) indicates none of the substance was detected, with a detection limit shown in the parentheses.
LT( ) indicates "less than" with a detection limit for the analysis shown in the parentheses.
Laboratory data are filed and available upon request.
Submitted RNH/nl
-Robert N. Hager,)/Jr. Laboratory Direp tor
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4725 Paris Street/Denver, Colorado 80239/(303) 371-1441
ABS-047095
SN10808 3/16/84
ASBESTOS COUNT Sample Number
4SC021684-5 4SC021684-6 4SC021684-7 4SC021684-4 4SC021684-3 4SC021684-1 4SC021584-5 4SC021584-3 4SC021584-4 4SC021584-2 4SC021584-1 4SC021684-2 4SC021584-6 4SC021584-7 4SC022884-3 4SC022884-2 4SC022884-1 4SC022984-2
TABLE 1
Total Fibers
ND(5100) L T(5100)
8900 LT(5100)
18000 22000
5100 7700 L T(5100) 13000 L T(5100) 110000 29000 5100 44000 110000 37000 63000
Air Volume (liters) 630 780 326 478 820 830 404 720 720 876 880 826 510 506 270 270 262 948
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Air Concentration (fibers/cc) ND(0.009 ) LT(0.007) 0.03 L T(0.02) 0.02
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0.01 0.01 LT(0.008) 0.01 LT(0.006) 0.13 0.06 0.01 0.2 0.41 0.1 0.066
LAM 028206 ABS-047096
SN10808 3/16/84
ASBESTOS COUNT Sample Number
4SC022984-1 4SC022984-3 4SC022184-2 4SC022084-1 4SC022184-3 4SC022184-1 4SC022084-6 4SC022084-5 4SC022084-4 4SC022084-2 4SC022 084-3 WIL021584-1 WIL021584-2 WIL021684-1 WIL021684-2 WIL021684-3 WIL021684-4 WIL021684-5 WIL021684-6
TABLE 2
Total Fibers
170000 77000 8900 5100 21000 6400
140000 87000 12000
LT(5100) LT(5100)
8900 7700 ND(5100) ND(5100) LT(5100) 7700 5100 40000
Air Volume (liters) 952 946 530 978 280 280 482 670 494 782 780 404 590 32 32 36 36 193 714
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Air Concentration (fibers/cc) 0.18 0.081 0.02 0.005
0.02 0.29 0.13 0.02 LT(0.007) LT(0.007) 0.02 0.01 ND(0.2) ND(0.2) L T ( 0.2 ) 0.2 0.03 0.06
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