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KMID : 0855520160290030113
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Korean Journal of Physical Anthropology
2016 Volume.29 No. 3 p.113 ~ p.120
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Assessment of Formaldehyde Concentrations in an Anatomy Laboratory Equipped Dissecting Tables with Inbuilt Exhaust and an Air Diffuser/Return System
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Seo Je-Hoon
Hyun Jong-A
Oh Min-Kwang
Kim Ji-Young
Kim Yong-Dae
Kim Dong-Woon
Alfreda Stadlin
Sohn Hyun-Joon
Lee Eun-Young
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Abstract
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Formaldehyde (FA) used for preserving the body for anatomy dissection is harmful to the human body. In many countries, for the purpose of protecting the health of workers in the industrial field, the maximal allowable air concentration of FA has been set. The threshold limit values of time weighted average (TLV-TWA) and short-term exposure limit (TLV-STEL) of FA recommended by Ministry of Employment and Labor (MOEL) of Korea are less than 0.5 and 1 ppm, respectively. In the United States and Europe, TLV-TWAs of FA are recommended at between 0.3 and 2 ppm. In this study, we compared the air concentration of FA to domestic and foreign standards of FA in an anatomy laboratory equipped dissecting tables with inbuilt exhaust and an air diffuser/return system.
We installed ten elevated dissection tables, 18 air diffusers on the ceiling, and 10 air returns at the bottom of both side walls. The concentration of FA was measured at five sites in the anatomy laboratory and above the cadavers on the dissecting tables at a height of 1.5 m from the floor using a Formaldemeter.
The average concentration of FA in the anatomy laboratory (five sites) was 0.31 ppm (0.45 mg/㎥), range 0.21 to 0.41 ppm (0.26~0.51 mg/㎥). The average concentration of FA above the cadavers was 0.45 ppm (0.56 mg/㎥), range 0.31 to 0.64 ppm (0.39~0.80 mg/㎥). The average TWA of FA in the anatomy laboratory was 0.19 ppm (0.24 mg/㎥), range 0.13 to 0.26 ppm. The average TWA of FA above the cadavers was 0.28 ppm (0.35 mg/㎥), range 0.19 to 0.40 ppm. The anatomy laboratory dissecting tables equipped with inbuilt exhaust and air diffuser/return system met the criteria of the FA concentration recommended by MOEL of Korea and most foreign countries.
This study was the first evaluation of the air concentration of FA in an anatomy laboratory equipped dissecting tables with inbuilt exhaust and an air diffuser/return system in Korea. We expect it will be not only used as a standard of comparison for anatomy laboratories, but as a reference for design and construction to improve air quality in Korean Medical Colleges.
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KEYWORD
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Dissection, Cadaver, Ventilation, Air Quality, Safety, MOEL, Standards
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