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Comparative Study on the Efficiency Test Using Remodeled Bubble Generating Pump for Aquarium Fish and Established Air Sampling Pump

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$ q $ g q ~ : ~ q q x l 41153 3 3 (m5q 12%) J Korean Scc Occup Environ Hyg m5;15(3):183- 191

Comparative Study on the EXciency Test Using Remodeled Bubble Generating Pump for Aquarium Fish and Established Air Sampling Pump

Bong-Ki Jang 9

.

Jae-Young Chun

.

Bu-Soon Son

.

Jong-Wha Lee

.

Jong-An Park Department of Environmental Health Science, S o o n c w a n g University

This study is designed to compare the performance of established samplers (personal air sampler and MiniVOL poaable air sampler) commonly used in the air environment or work environment with that of the sampler made by remodehg the air bubble generator for aquarium fishes. Sampling method used in this study is the filter collection method for PMlO and total suspended particles (TSP), the liquid collection method for sulfur dioxide (SOz) and nitrogen dioxide (NOz), and the solid collection method for toluene, respectively. There is not a significant difference in the average concentration of TSP between the Gian personal air sampler (1 4 0.3 16 10.095; 2nd 0.191 kO.090; 3rd, 0.185 i0.073 mg/m3) and the remodeled sampler (lst, 0.3 17 i0.106, 2nd 0.201 i 0.050; 3rd 0.189 2 0.081 mg/m3). There are also not ~ i ~ c a n t differences in the average concentration of PMlO among the Gilian personal air sampler (0.058 k 0.006 d n f ) , the remodeled sampler (0.052 k 0.008 d m 3 ) and the MiniVOL p d l e air sampler (0.054 i 0.007 m$nf). The average concentration of the SO2 by the established sampler and the remodeled one is 3.79 k0.21 ppb and 3.45 i0.15 ppb, respectively. In addition, there are not sigmficant differences in the average concentration of the NO2 between the Gilian personal air sampler (lst, 0.325 10.068; 2nd

0.341 10.206; 3rd, 2.971 20.078 \~g/mn~) and the remodeled sampler (lst, 0.300 k0.062; 2nd 0.332 iO.144, 3rd 2.%8

+

0.085 pdrn3). There are not sigruficant differences in the average concentration of toluene between the G h personal air sampler (lst, 0.499 k0.072; 2nd 0.598 i0.112; 3rd 2.284 i0.077 fig/

rn3

and the remodeled sampler (lst, 0.463i0.133; 2nd 0.603 kO.082; 3rd 2.353 l o . 115 dm3). From these results, we can conclude that the performance of the remodeled sampler is not different fiom that of established samplers. There is possibiity that the remodeled sampler can be used as a alternative device for Gilian personal air sampler in area and personal air sampling.

Key Words : air sampling pump, eficiency test, remodeled bubble generating pump, personal and area sampling

(2)

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Table 1. Analvsis and measurement method

Measurement Agent of Analpcal Flow Sampling No. of samples

method -led method ( l lrnin) time (hrs.1 Established Remodeled

sampler m l e r

TSP Weighmg 1 6 5 5

Fdtration

PMIO Weighing 1.7 6 5 5

Liquid SOz PmsaniIine 0.5- 1 6 5 5

sampling NOz Griess- 0.4 6 5

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Sampling Flow ( l Irnin)

No. Rate of

material Before (B) After (A) change (%)*

PMio 30 1.680 i 0.343 1.670 i0.345 0.60

TSP 30 0.920 i0.133 0.908 k0.151 1.30

No2 30 1.007kO.019 1.002i0.054 0.50

So2 30 0.819 t 0.294 0.804 k0.300 1.83

Toluene 26 0.207 k0.013 0.200 iO.006 3.38

* : Rate o f charge (96) =

B

Table 3. Rate of flow change of remodeled pump

sampling No. Flow ( elmin) Rate of

material Before After change(%)

Toluene 26 0.230 k0.050 0.220 i0.044 4.35

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Table 4. Comparison of TSP concentrations with established pump and remodeled pump

(unit :

mdm3)

First Second Third

Repeat Established Remodeled Established Remodeled Established Remodeled

sampler sampler sampler sampler sampler sampler

Mean 0.316 0.317 0.191 0.201 0.185 0.189

f S.D t 0.095 t0.106 fO.090 k0.050 f 0.073 -t 0.08 1

N.S : Notsi~nificmce between establiskd s a m l e r a r d rermdeled s a n l ~ l e r b y W k o x o n sirmedrank test

(6)

Table 5. Comparisons of PMio concentrations with established P A ) S 3 { 4 4

/.d%q

2)617) pump, remodeled pump and MinNOL sampler (unit : nlg/m3)

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Rep Established Remodeled Established Remodeled Minivol

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Wilcoxm signed rank test.

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, 2 q 3) (0.341 ,.J$~'vs. 0.332 &/m3), Table 6. Comparison of SO2 concentrations with established pump and remodeled pump

(unit : ppb)

First Second Third

Established Remodeled Established Remodeled W l i s h e d Remodeled

sampler sampler sampler sampler sampler sampler

Mean 3.79 3.45 2.83 2.99 2.56 2.55

kS.D k0.21 k0.15 k0.17 k 0.08 k0.08 k0.08

N.S : Not significance between established sampler and remodeled sampler by Wilcoxon signed rank test

(7)

Table 7. Comparison of NO2 concentrations with established pump and remodeled pump

(unit :

,udrn7)

First Second Third

Re* Established Remodeled Established Remodeled Established Remodeled

sampler sampler sampler sampler sampler sampler

Mean 0.325 0.300 0.341 0.332 2.97 1 2.%8

f S.D k 0.068 f0.062 k0.206 +O. 144 k0.078 f 0.085

N.S : Not significance between established sampler and remodeled sampler by Wilcoxon signed rank test

334x1 (2.971 dm' vs. 2.968 @Im3) P 3343\ollAj 10eH?jl E

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Table 8. Comparison of to1 uene concentrations with established pump and remodeled pump

(unit : , d m J )

First Second Third

Repeat Established Remodeled Established Remodeled Established Remodeled

sampler sampler sampler sampler sampler sampler

Mean 0.449 0.463 0.598 0.603 2.284 2.353

kS.D k0.072 f 0.133 k0.112 k0.082 k0.077 f 0.115

- -- - - - - - - -- - - -

N.S : Not significance between established sampler and remodeled sampler by Wilcoxon signed rank test

(8)

toluene

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Chenie JW. The beginning of the science underpinning occupational hygiene.

Ann Occup Hyg 2003; 47(3): 179- 185 Harper M, b e l l CT. Diffusive samphg;

A review. Am Ind Hyg Assoc J 1987;

48(3): 214218

Lippmann M. Sampling aerosols by filtmtion, in air sampling instruments, 7th, ed, Hering SV, Cincinnati, OH:

American Conference of Governmental Industrial Hygienists;

1989, pp. 305-336

NIOSH. Manual of Analytical Methods.

3rd ed, Cincinnati: NIOSH; 1994 OSHA. Sampling and Analytical Method

Manual. OSHA, 1998

Sherwood RJ, Greenhalgh DMS. A personal air sampler. Ann Occup Hyg 1960; 2: 127-132

수치

Table  1.  Analvsis and measurement method
Table 4.  Comparison of TSP concentrations with established pump and remodeled pump
Table  5.  Comparisons  of PMio concentrations  with established  P  A ) S 3 { 4 4   /.d%q  2)617)  pump, remodeled pump and MinNOL sampler  (unit  :  nlg/m3)  $2  301  ~J7)45jr;f
Table 8.  Comparison of to1 uene concentrations with established pump and remodeled pump

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