• Evaluation of Distribution Characteristics for Petroleum Hydrocarbon in Groundwater by TPH Fraction Analysis
  • Kim, Deok Hyun;Park, Sunhwa;Choi, Min-Young;Kim, Moonsu;Yoon, Jong Hyun;Lee, Gyeong-Mi;Jeon, Sang-Ho;Song, Dahee;Kim, Young;Chung, Hyen Mi;Kim, Hyun-Koo;
  • National Institute of Environmental Research;National Institute of Environmental Research;National Institute of Environmental Research;National Institute of Environmental Research;National Institute of Environmental Research;National Institute of Environmental Research;Geum River Basin Environmental Office;Geum River Basin Environmental Office;Department of Environmental Engineering, Korea University;National Institute of Environmental Research;National Institute of Environmental Research;
  • 석유계 총 탄화수소(Total Petroleum Hydrocarbons, TPH) 분획분석법을 이용한 지하수 중 유류오염물질 분포특성 평가
  • 김덕현;박선화;최민영;김문수;윤종현;이경미;전상호;송다희;김영;정현미;김현구;
  • 국립환경과학원;국립환경과학원;국립환경과학원;국립환경과학원;국립환경과학원;국립환경과학원;금강유역환경청;금강유역환경청;고려대학교 대학원 환경공학과;국립환경과학원;국립환경과학원;
Abstract
Total petroleum hydrocarbon (TPH) is a mixture of various oil substances composed of alkane, alkene, cycloalkane, and aromatic hydrocarbons (benzene, toluene, ethylbenzene, xylene, etc.). In this study, we investigated 92 groundwater wells around 36 gas stations to evaluate distribution characteristics of petroleum hydrocarbons. Groundwater in the wells was sampled and monitored twice a year. The fraction analysis method of TPH was developed based on TNRCC 1006. The test results indicated aliphatic and aromatic fractions accounted for 28.6 and 73.8%, respectively. The detection frequencies of TPH in the monitoring wells ranged in 21.6 - 24.2%. The average concentration of TPH was 0.11 mg/L with the concentration range of 0.25~0.99 mg/L. In the result of TPH fraction analysis, in aliphatic fractions were 19% (C6-C8 : 0.2%, C8-C10 : 0.4%, C10-C12 : 0.4%, C12-C16 : 0.5%, C16-C22 : 1.0%, C22-C36 : 16.6%), and aromatic fractions were 81% (C6-C8 : 1.1%, C8-C10 : 0%, C10-C12 : 2.9%, C12-C16 : 0.3%, C16-C22 : 4%, C22-C36 : 66.8%). Fractions of C22-C36 were detected in about 83% of the monitoring wells, suggesting non-degradable characteristics of hydrocarbons with high carbon content.

Keywords: Fractionation;Groundwater;Monitoring;TPH;

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