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한국환경분석학회> 환경분석과 독성보건> 경기도 지하수 수질측정망의 수질특성에 관한 연구

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경기도 지하수 수질측정망의 수질특성에 관한 연구

Water Quality Characteristics of the Gyeonggi-do Groundwater Quality Monitoring Network

서인숙 ( Insuk Seo ) , 최양희 ( Yanghee Choi ) , 김태현 ( Taehyun Kim ) , 권상조 ( Sangjo Guen ) , 송진호 ( Jinho Song ) , 이현경 ( Hyunkyung Lee ) , 정선희 ( Seonhee Jung ) , 김채림 ( Chaelim Kim ) , 윤홍철 ( Hongcheol Yoon ) , 김태화 ( Taehwa Kim )
  • : 한국환경분석학회
  • : 환경분석과 독성보건 23권3호
  • : 연속간행물
  • : 2020년 09월
  • : 141-154(14pages)

DOI


목차

1. 서 론
2. 재료 및 방법
3. 결과 및 고찰
4. 결 론
감사의 글
참고문헌

키워드 보기


초록 보기

In this study, a survey of the number of excess water quality standards, an average concentration analysis, and a trend analysis to calculate the grade of groundwater contamination using data from the groundwater quality monitoring network (GQMN) in Gyeonggi-do were conducted. A water pollution map of underground water was provided, and the water quality characteristics between analysis items and influencing factors were identified by statistical analysis. The indication contamination rate-the ratio of three determined contamination indicators-from high to low was Cl- (31.2%) > NO3--N (27.9%) > pH (20.8%) > ‌Trichloroethylene (8.9%) > Arsenic (6.3%) > Tetrachloroethylene (1.5%). According to the contamination grade analysis, the ‘clean grade (0)’ was classified as less than 68.8% (Cl-), the ‘possibly contaminated grade (1)’ was less than 30.1% (Cl-), the ‘contaminated grade (2)’ was less than 7.1% (NO3--N), and the ‘seriously contaminated grade (3)’ was classified as less than 1.9% (NO3--N). A mean contamination index rank difference test was conducted for each influencing factor in highly contaminated areas, non-drinking facilities, unopened facilities, private facilities, industrial waters, and industrial areas that showed statistically significant differences.

UCI(KEPA)

간행물정보

  • : 공학분야  > 환경공학
  • : KCI등재
  • :
  • : 계간
  • : 2672-0175
  • : 2672-1139
  • : 학술지
  • : 연속간행물
  • : 2019-2020
  • : 42


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발행기관 최신논문
| | | | 다운로드

1GC-ECD를 이용한 서울시 도시하천 퇴적물 중 PCBs의 정량과비용효과적인 Dioxin-like PCBs의 추정

저자 : 이제승 ( Je-seung Lee ) , 조석주 ( Suk-joo Cho ) , 길혜경 ( Hye-gyeong Gil ) , 이목영 ( Mok-young Lee )

발행기관 : 한국환경분석학회 간행물 : 환경분석과 독성보건 23권 3호 발행 연도 : 2020 페이지 : pp. 127-140 (14 pages)

다운로드

(기관인증 필요)

초록보기

In this study, the concentration of polychlorinated biphenyls (PCBs) remaining in the sediment of Han River and its 4 tributaries was investigated in a cost-effective method using gas chromatography-electron capture detector (GC-ECD). The concentration of total PCBs was calculated by summing up the individual Aroclor concentration quantified using specific congeners of each Aroclor. By quantifying individual Aroclors, the concentration of dioxin-like PCBs (dl-PCBs) and toxicity equivalency quotient (TEQ) for sediment samples could be estimated using simple formulae derived from the information of dl-PCBs content in individual Aroclors. Although it was not possible to compare the estimated concentration of dl-PCBs with the concentration analyzed by high-resolution mass spectrometry (HRMS) for the same sample, acceptable results were obtained through comparison with the concentration of sediment samples at adjacent points in previous studies. As a result, PCB concentration remaining in the sediments in the urban stream was relatively high in the sediments near the industrial area. In the case of the two tributaries adjacent to the industrial area, the concentrations of PCBs in most sediment samples exceeded the effective range low (ERL) value and at certain points exceeded the effective range median (ERM) value. In addition, most high concentrations of PCBs were commonly detected at the junction of the river and its tributary where the flow rate slowed noticeably. Therefore, it is necessary to consider the junction of rivers as an important sampling point when investigating PCBs in sediments.

2경기도 지하수 수질측정망의 수질특성에 관한 연구

저자 : 서인숙 ( Insuk Seo ) , 최양희 ( Yanghee Choi ) , 김태현 ( Taehyun Kim ) , 권상조 ( Sangjo Guen ) , 송진호 ( Jinho Song ) , 이현경 ( Hyunkyung Lee ) , 정선희 ( Seonhee Jung ) , 김채림 ( Chaelim Kim ) , 윤홍철 ( Hongcheol Yoon ) , 김태화 ( Taehwa Kim )

발행기관 : 한국환경분석학회 간행물 : 환경분석과 독성보건 23권 3호 발행 연도 : 2020 페이지 : pp. 141-154 (14 pages)

다운로드

(기관인증 필요)

초록보기

In this study, a survey of the number of excess water quality standards, an average concentration analysis, and a trend analysis to calculate the grade of groundwater contamination using data from the groundwater quality monitoring network (GQMN) in Gyeonggi-do were conducted. A water pollution map of underground water was provided, and the water quality characteristics between analysis items and influencing factors were identified by statistical analysis. The indication contamination rate-the ratio of three determined contamination indicators-from high to low was Cl- (31.2%) > NO3--N (27.9%) > pH (20.8%) > ‌Trichloroethylene (8.9%) > Arsenic (6.3%) > Tetrachloroethylene (1.5%). According to the contamination grade analysis, the 'clean grade (0)' was classified as less than 68.8% (Cl-), the 'possibly contaminated grade (1)' was less than 30.1% (Cl-), the 'contaminated grade (2)' was less than 7.1% (NO3--N), and the 'seriously contaminated grade (3)' was classified as less than 1.9% (NO3--N). A mean contamination index rank difference test was conducted for each influencing factor in highly contaminated areas, non-drinking facilities, unopened facilities, private facilities, industrial waters, and industrial areas that showed statistically significant differences.

3대청호 유입 소하천 유기물질 유출 특성

저자 : 김상욱 ( Sang-wook Kim ) , 조윤해 ( Yoon-hae Cho ) , 채민희 ( Min-hee Chae ) , 길기범 ( Gi-beom Kil ) , 석광설 ( Kwang-seol Seok )

발행기관 : 한국환경분석학회 간행물 : 환경분석과 독성보건 23권 3호 발행 연도 : 2020 페이지 : pp. 155-164 (10 pages)

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(기관인증 필요)

초록보기

While BOD5 has been improved in Korea's major rivers and reservoirs over the last 10 years, CODMn is still on the rise. The purpose of this study was to investigate the leakage characteristics of refractory organic oatter (ROM) in Juwon stream and Pumgok stream flowing into Daecheong Reservoir, the most important drinking water source of Geum River basin. ROM was extracted with hydrophilic (Hi) and hydrophobic (Ho) organics using the XAD resin method. XAD analysis showed that hydrophobic ratios were 52.1-77.1 % and 52.7-97.1 % of dissolved organic carbon (DOC), respectively, in the Juwon and Pumgok streams. Hydrophobic organic matters were classified as humic substances originating from forest areas upstream of the watershed. In addition, the Ho/Hi ratio increased during the rainfall period (seven-nine months) and decreased during the non-rain period, and the Ho component, including hydrophobic acid (HoA) during rainfall, was the main component flowing into Daecheong Reservoir through the runoff. Total organic carbon (TOC) and COD showed a strong positive correlation between organics to confirm the association between ROMs. The results of this study confirmed the characteristics and background concentrations of the ROMs of some tributaries into the Daecheong Reservoir. In the future, continuous investigation and research will be needed to manage the natural organic matter of the main stream of Geum-river, including Daecheong Reservoir.

4통계기법을 활용한 정도관리 결과 분석

저자 : 황종연 ( Jong Yeon Hwang ) , 이혜리 ( Hyeri Lee ) , 고상호 ( Sang Ho Go ) , 이경로 ( Kyong Ro Lee ) , 전수아 ( Sooa Jeon ) , 김지혜 ( Jeehye Kim ) , 이진주 ( Jin Joo Lee ) , 박창희 ( Park Chang Hee ) , 정현미 ( Hyen-mi Chung ) , 최종우 ( Jong-woo Choi )

발행기관 : 한국환경분석학회 간행물 : 환경분석과 독성보건 23권 3호 발행 연도 : 2020 페이지 : pp. 165-169 (5 pages)

다운로드

(기관인증 필요)

초록보기

The results of proficiency tests and on-site assessments regularly conducted by environmental testing and inspection organizations from 2011 to 2019 were analyzed. The non-conformity rate of the proficiency test decreased from 6.71% in 2011 to 1.17% in 2019, while the non-conformity rate of on-site assessments decreased from 17.9% in 2011 to 3.7% in 2019. By comparing the results of the two tests from 2011 to 2019, it was concluded that the quality control ability of environmental testing and inspection institutions has improved greatly. Moreover, it was established that the ability of the proficiency test to evaluate the physicochemical analysis capability and the ability of the on-site assessments to evaluate the operational capability of the laboratory were highly correlated.

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