This study was conducted to efficiently manage THC, which was previously managed only through self-measurement. Using Selected Ion Flow Tube Mass Spectrometers, a real-time air quality measurement device, VOCs were measured in five industrial complexes, and methyl ethyl ketone was measured at the highest concentration in the industrial complexes. THC measurements were conducted at business sites located in the area. As a result of the measurements, printing processes, drying processes, etc. exceeded the emission standard of 110 ppm in three processes, and the outlets that exceeded the emission standard were instructed to improve prevention facilities such as activated carbon replacement, thereby reducing highconcentration VOC emissions. The results of the study suggest that if inspection agencies measure VOCs in real time and conduct Total Hydro Carbon measurements, etc. mainly in high-concentration areas, VOCs and Total Hydro Carbon, which are the causes of greenhouse gases and odors, can be efficiently reduced.

Abstract
1. 서 론
2. 연구 방법
    2.1 산업단지 VOCs 측정기기(SIFT-MS)
    2.2 사업장 배출구 THC 농도 측정
    2.3 측정개요
3. 연구 결과
    3.1 SIFT-MS 측정결과
    3.2 THC 측정결과
    3.3 THC 개선결과
4. 결 론
References

• 서현정(수도권대기환경청) | Hyun-Jeong Seo (Metropolitan Air Quality Management Office)
• 신현준(수도권대기환경청) | Hyun-Jun Shin (Metropolitan Air Quality Management Office) Corresponding author