Article(id=1321170824690778161, tenantId=1146029695717560320, journalId=1319373219989389464, issueId=1321170720168726830, articleNumber=null, orderNo=null, doi=10.11847/zgggws1146151, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1730304000000, receivedDateStr=2024-10-31, revisedDate=1732723200000, revisedDateStr=2024-11-28, acceptedDate=1744387200000, acceptedDateStr=2025-04-12, onlineDate=1792921270773, onlineDateStr=2026-10-25, pubDate=1754755200000, pubDateStr=2025-08-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792921270773, onlineIssueDateStr=2026-10-25, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792921270773, creator=13701087609, updateTime=1792921270773, updator=13701087609, issue=Issue{id=1321170720168726830, tenantId=1146029695717560320, journalId=1319373219989389464, year='2025', volume='41', issue='8', pageStart='897', pageEnd='1024', issueExtLink='null', onlineDate='null', pubDate='1754755200000', pubDateStr='2025-08-10', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792921245852, creator='13701087609', updateTime=1792921245852, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=996, endPage=1000, ext={EN=ArticleExt(id=1321170824942436402, articleId=1321170824690778161, tenantId=1146029695717560320, journalId=1319373219989389464, language=EN, title=Heavy metal transfer in soil-rice systems and health risk assessment in Wanzhou, Chongqing, columnId=1320427686514770171, journalTitle=Chinese Journal of Public Health, columnName=Survey and Report, runingTitle=null, highlight=null, articleAbstract=
Objective To investigate the migration characteristics of lead (Pb), cadmium (Cd), chromium (Cr), mercury (Hg), arsenic (As), copper (Cu), zinc (Zn), and nickel (Ni) in soil and rice in Wanzhou district, Chongqing city, and to assess their potential health risks, providing data support for the formulation of scientific prevention and control strategies.
Methods Based on previous soil monitoring data, five representative areas were selected in Wanzhou district, Chongqing city, in August - September 2023. A stratified sampling method was used to establish 25 sampling points. The geo-accumulation index and potential ecological risk index methods were used to evaluate soil pollution. At each sampling point, contiguous paddy fields were selected, and corresponding soil and rice samples were collected, with 25 samples for each. The migration characteristics of heavy metals and their potential impact on human health were analyzed using the bioconcentration factor and health risk assessment model.
Results A total of 25 soil samples were collected, mostly acidic. Except for zinc (Zn), the average values of other heavy metals did not exceed the soil background values. Cadmium (Cd) exceeded the risk screening value at three sampling points but did not exceed the risk control value; other heavy metals did not exceed the risk screening value. Mercury (Hg) had the largest coefficient of variation, > 1 (1.03), indicating its highly uneven distribution. The geo-accumulation index assessment showed no overall soil pollution. Ecological risk assessment indicated that Hg and Cd contributed the most to ecological hazards, at 44.65% and 36.76%, respectively. Among the 25 rice samples, Cr had the highest over-standard rate at 80.00%, followed by Hg, As, and Cd, all at 12.00%. Enrichment factor analysis showed that Cd and Hg had higher enrichment factors in rice, at 0.341 and 0.329, respectively. Health risk assessment showed that, except for As, other heavy metals posed low chronic health risks, but the combined health risk of heavy metals in rice may have chronic effects on human health (mean = 3.53).
Conclusions There is a certain degree of Cd and Hg migration pollution in the soil and rice of Wanzhou district, Chongqing city. Arsenic (As) may have chronic health effects on humans, and there may be synergistic effects of multiple metals.
, authors=Longfeng CHENG
1, Hanlin LIU
1, Chenggen LI
1, Yongqiong TANG
1, Xiangqiang HUANG
1, Lian XIANG
1, Lei TONG
2, Ji LI
1, authorsList=Longfeng CHENG, Hanlin LIU, Chenggen LI, Yongqiong TANG, Xiangqiang HUANG, Lian XIANG, Lei TONG, Ji LI, authorCompany=null, correspAuthors=Ji LI, authorNote=null, correspAuthorsNote=
, copyrightStatement=Copyright © 2025 Chinese Journal of Public Health. All rights reserved., copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1321170827836506169, articleId=1321170824690778161, tenantId=1146029695717560320, journalId=1319373219989389464, language=CN, title=重庆万州土壤水稻重金属迁移与健康风险评估, columnId=1320427686770622717, journalTitle=中国公共卫生, columnName=调查报告与分析, runingTitle=null, highlight=null, articleAbstract=
目的 探究重庆市万州区土壤及稻谷中铅(Pb)、镉(Cd)、铬(Cr)、汞(Hg)、砷(As)、铜(Cu)、锌(Zn)和镍(Ni)的迁移特征,并对其可能存在的健康风险进行评估,为制定科学的防控策略提供数据支撑。
方法 2023年8—9月,基于前期土壤监测数据,在重庆万州区选取5个具有代表性的区域,采取分层抽样,设置25个采样点,结合地积累指数法和潜在生态风险法评价土壤污染状况,在每个采样点,挑选成片的稻田,并采集相应的土壤和稻谷样本,每种样本各25份。同时通过生物富集系数与健康风险评估模型,对重金属元素的迁移特性及其对人体健康的潜在影响进行分析。
结果 共采集25份土壤样品,以酸性土壤为主。除锌(Zn)外,其余重金属均值均未超过土壤背景值。其中3个点位的镉(Cd)超过风险筛选值,但未超过风险管制值,其余重金属均未超过风险筛选值。汞(Hg)的变异系数最大且>1(1.03 ),表明其分布非常不均匀。地积累指数评价显示土壤总体无污染。生态风险评估表明,汞(Hg)和镉(Cd)对生态危害的贡献率最高分别为44.65%和36.76%。25份稻谷样本中,铬(Cr)的超标率最高为80.00%,其次是汞(Hg)、砷(As)和镉(Cd)均为12.00%。富集系数分析显示,镉(Cd)和汞(Hg)在稻谷中的富集系数较高为0.341和0.329。健康风险评估表明,除了砷(As)外,其他重金属的慢性健康风险较低,但稻谷中重金属的联合健康风险可能对人体健康产生慢性影响(均值为3.53)。
结论 重庆市万州区土壤水稻存在一定程度的Cd和Hg迁移污染,砷(As)可能对人体有慢性健康效应,存在多种金属协同影响效应。
, authors=程龙凤
1, 刘汉林
1, 李成根
1, 唐永琼
1, 黄祥强
1, 向恋
1, 童磊
2, 黎吉
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程龙凤(1988—),副主任医师,硕士,研究方向:环境与食品卫生
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Environmental Science and Pollution Research, 2021, 28(48): 68897-68908., articleTitle=null, refAbstract=null), Reference(id=1321170837118501010, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1321170824690778161, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=19, rfOrder=18, authorNames=null, journalName=null, refType=null, unstructuredReference=生态环境部, 国家市场监督管理总局. 土壤环境质量 农用地土壤污染风险管控标准(试行): GB 15618—2018[S]. 北京: 中国标准出版社, 2018., articleTitle=null, refAbstract=null), Reference(id=1321170837193998483, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1321170824690778161, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=20, rfOrder=19, authorNames=null, journalName=null, refType=null, unstructuredReference=中华人民共和国国家卫生健康委员会, 国家市场监督管理总局. 食品安全国家标准 食品中污染物限量: GB 2762—2022[S]. 北京: 中国标准出版社, 2022., articleTitle=null, refAbstract=null), Reference(id=1321170837265301652, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1321170824690778161, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=21, rfOrder=20, authorNames=null, journalName=null, refType=null, unstructuredReference=杨清可, 王磊, 李平星, 等. 长江干流沿江地区土壤重金属的分布、来源及潜在生态风险[J]. 农业工程学 报, 2024, 40(9): 190-198., articleTitle=null, refAbstract=null), Reference(id=1321170837340799125, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1321170824690778161, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=22, rfOrder=21, authorNames=null, journalName=null, refType=null, unstructuredReference=符倩, 李路, 张皓月, 等. 改性生物炭对汞污染土壤绿豆生长及汞含量的影响[J]. 西北农业学报, 2023, 32(3): 358-367., articleTitle=null, refAbstract=null), Reference(id=1321170837416296598, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1321170824690778161, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=23, rfOrder=22, authorNames=null, journalName=null, refType=null, unstructuredReference=刘娅君, 李彩霞, 梅楠, 等. 三峡库区稻田土壤重金属污染特征及风险评价[J]. 环境科学, 2023, 44(6): 3520-3530., articleTitle=null, refAbstract=null), Reference(id=1321170837483405463, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1321170824690778161, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=24, rfOrder=23, authorNames=null, journalName=null, refType=null, unstructuredReference=梁延鹏, 李宗林, 张学洪, 等. 重金属单一与复合污染下水稻对铬的富集特征[J]. 生态环境学报, 2016, 25(9): 1540-1545., articleTitle=null, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1321170828314656826, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1321170824690778161, xref=1, ext=[AuthorCompanyExt(id=1321170828331434043, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1321170824690778161, companyId=1321170828314656826, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1重庆市万州区疾病预防控制中心环境与食品卫生科,重庆 404000)]), AuthorCompany(id=1321170828650201149, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1321170824690778161, xref=2, ext=[AuthorCompanyExt(id=1321170828658589758, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1321170824690778161, companyId=1321170828650201149, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2重庆三峡医药高等专科学校公共卫生与管理学院,重庆 404000)])], figs=[ArticleFig(id=1321170833352015990, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1321170824690778161, language=EN, label=Tab.1, caption=
Detection indicators and methods for soil and rice
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| 样品类型 | 检测指标 | 检测方法 | 检测方法代号 |
|---|
| 土壤 | pH | 土壤pH测定 | NY/T 1377—2007[9] |
| Hg | 土壤和沉积物总汞的测定催化热解–冷原子吸收分光光度法 | HJ 923—2017[10] |
| Pb、Cd、Cr、As、Cu、Zn、Ni | 土壤和沉积物 12种金属元素的测定王水提取–电感耦合等离子体质谱法 | HJ 803—2016[11] |
| 稻谷 | Hg | 食品中总汞及有机汞的测定第二法直接测汞法 | GB 5009.17—2021 第二法[12] |
| Pb、Cd、Cr、As、Cu、Zn、Ni | 食品中多元素的测定电感耦合等离子体质谱法 | GB 5009.268—2016 第一法[13] |
), ArticleFig(id=1321170833448484983, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1321170824690778161, language=CN, label=表1, caption=
土壤和稻谷检测指标与方法
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| 样品类型 | 检测指标 | 检测方法 | 检测方法代号 |
|---|
| 土壤 | pH | 土壤pH测定 | NY/T 1377—2007[9] |
| Hg | 土壤和沉积物总汞的测定催化热解–冷原子吸收分光光度法 | HJ 923—2017[10] |
| Pb、Cd、Cr、As、Cu、Zn、Ni | 土壤和沉积物 12种金属元素的测定王水提取–电感耦合等离子体质谱法 | HJ 803—2016[11] |
| 稻谷 | Hg | 食品中总汞及有机汞的测定第二法直接测汞法 | GB 5009.17—2021 第二法[12] |
| Pb、Cd、Cr、As、Cu、Zn、Ni | 食品中多元素的测定电感耦合等离子体质谱法 | GB 5009.268—2016 第一法[13] |
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Classification of potential ecological risk levels
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| 单项潜在生态危害指数(Ei) | 综合潜在生态危害指数(RI) | 风险等级 |
|---|
| ≤40 | ≤150 | 轻度危害 |
| 41~80 | 151~300 | 中度危害 |
| 81~160 | 301~600 | 强度危害 |
| 161~320 | 601~1 200 | 很强危害 |
| >320 | >1 200 | 极强危害 |
), ArticleFig(id=1321170833603674233, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1321170824690778161, language=CN, label=表2, caption=
潜在生态风险程度分级
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| 单项潜在生态危害指数(Ei) | 综合潜在生态危害指数(RI) | 风险等级 |
|---|
| ≤40 | ≤150 | 轻度危害 |
| 41~80 | 151~300 | 中度危害 |
| 81~160 | 301~600 | 强度危害 |
| 161~320 | 601~1 200 | 很强危害 |
| >320 | >1 200 | 极强危害 |
), ArticleFig(id=1321170833683366010, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1321170824690778161, language=EN, label=Tab.3, caption=
Detection results of 8 heavy metal contents and pH in paddy soil
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| 项目 | pH值 | Pb | Hg | As | Cr | Cd | Cu | Ni | Zn |
|---|
| 最小值/(mg/kg) | 4.70 | 12.60 | 0.02 | 2.94 | 26.80 | 0.12 | 8.90 | 11.00 | 19.80 |
| 最大值/(mg/kg) | 7.60 | 26.70 | 0.31 | 10.10 | 71.40 | 0.51 | 42.00 | 33.40 | 203.00 |
| 平均值/(mg/kg) | 5.99 | 20.14 | 0.05 | 6.18 | 60.24 | 0.27 | 16.02 | 25.65 | 90.46 |
| 中位数 | | 20.10 | 0.04 | 5.88 | 60.00 | 0.26 | 14.50 | 26.00 | 85.20 |
| 标准差 | | 3.61 | 0.06 | 1.66 | 9.58 | 0.09 | 6.48 | 4.97 | 34.69 |
| 变异系数/% | | 17.92 | 103.92 | 26.90 | 15.90 | 32.68 | 40.43 | 19.39 | 38.35 |
| 超风险筛选值样本率/% | | 0.00 | 0.00 | 0.00 | 0.00 | 12.00 | 0.00 | 0.00 | 0.00 |
| 超过重庆背景值的样本率/% | | 0.00 | 12.00 | 44.00 | 0.00 | 36.00 | 4.00 | 8.00 | 60.00 |
| 重庆土壤背景值/(mg/kg) | | 28.10 | 0.07 | 6.62 | 74.40 | 0.28 | 24.60 | 31.60 | 81.90 |
| 农用地风险筛选值 | ≤5.5 | 80.00 | 0.50 | 30.00 | 250.00 | 0.30 | 50.00 | 60.00 | 200.00 |
| 农用地风险筛选值 | 5.5~6.5 | 100.00 | 0.50 | 30.00 | 250.00 | 0.40 | 50.00 | 70.00 | 200.00 |
| 农用地风险筛选值 | 6.5~7.5 | 140.00 | 0.60 | 25.00 | 300.00 | 0.60 | 100.00 | 100.00 | 250.00 |
| 农用地风险筛选值 | >7.5 | 240.00 | 1.00 | 20.00 | 350.00 | 0.80 | 100.00 | 190.00 | 300.00 |
), ArticleFig(id=1321170833767252091, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1321170824690778161, language=CN, label=表3, caption=
稻田土壤中8种重金属含量和pH检测结果
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| 项目 | pH值 | Pb | Hg | As | Cr | Cd | Cu | Ni | Zn |
|---|
| 最小值/(mg/kg) | 4.70 | 12.60 | 0.02 | 2.94 | 26.80 | 0.12 | 8.90 | 11.00 | 19.80 |
| 最大值/(mg/kg) | 7.60 | 26.70 | 0.31 | 10.10 | 71.40 | 0.51 | 42.00 | 33.40 | 203.00 |
| 平均值/(mg/kg) | 5.99 | 20.14 | 0.05 | 6.18 | 60.24 | 0.27 | 16.02 | 25.65 | 90.46 |
| 中位数 | | 20.10 | 0.04 | 5.88 | 60.00 | 0.26 | 14.50 | 26.00 | 85.20 |
| 标准差 | | 3.61 | 0.06 | 1.66 | 9.58 | 0.09 | 6.48 | 4.97 | 34.69 |
| 变异系数/% | | 17.92 | 103.92 | 26.90 | 15.90 | 32.68 | 40.43 | 19.39 | 38.35 |
| 超风险筛选值样本率/% | | 0.00 | 0.00 | 0.00 | 0.00 | 12.00 | 0.00 | 0.00 | 0.00 |
| 超过重庆背景值的样本率/% | | 0.00 | 12.00 | 44.00 | 0.00 | 36.00 | 4.00 | 8.00 | 60.00 |
| 重庆土壤背景值/(mg/kg) | | 28.10 | 0.07 | 6.62 | 74.40 | 0.28 | 24.60 | 31.60 | 81.90 |
| 农用地风险筛选值 | ≤5.5 | 80.00 | 0.50 | 30.00 | 250.00 | 0.30 | 50.00 | 60.00 | 200.00 |
| 农用地风险筛选值 | 5.5~6.5 | 100.00 | 0.50 | 30.00 | 250.00 | 0.40 | 50.00 | 70.00 | 200.00 |
| 农用地风险筛选值 | 6.5~7.5 | 140.00 | 0.60 | 25.00 | 300.00 | 0.60 | 100.00 | 100.00 | 250.00 |
| 农用地风险筛选值 | >7.5 | 240.00 | 1.00 | 20.00 | 350.00 | 0.80 | 100.00 | 190.00 | 300.00 |
), ArticleFig(id=1321170833842749564, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1321170824690778161, language=EN, label=Tab.4, caption=
Detection results of eight heavy metals in rice
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| 项目 | Pb | Hg | As | Cr | Cd | Cu | Ni | Zn |
|---|
| 最小值/(mg/kg) | 0.014 | 0.002 | 0.010 | 0.010 | 0.003 | 0.343 | 0.150 | 1.060 |
| 最大值/(mg/kg) | 0.107 | 0.064 | 0.794 | 2.820 | 0.306 | 3.510 | 1.890 | 27.400 |
| 平均值/(mg/kg) | 0.056 | 0.012 | 0.218 | 1.557 | 0.073 | 2.060 | 0.962 | 16.161 |
| 标准差 | 0.019 | 0.012 | 0.159 | 0.698 | 0.084 | 0.783 | 0.396 | 5.853 |
| GB 2762—2022限值/(mg/kg) | 0.2 | 0.02 | 0.35 | 1.0 | 0.2 | | | |
| 超标率/% | 0.00 | 12.00 | 12.00 | 80.00 | 12.00 | | | |
), ArticleFig(id=1321170833914052733, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1321170824690778161, language=CN, label=表4, caption=
稻谷中8种重金属含量检测结果
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| 项目 | Pb | Hg | As | Cr | Cd | Cu | Ni | Zn |
|---|
| 最小值/(mg/kg) | 0.014 | 0.002 | 0.010 | 0.010 | 0.003 | 0.343 | 0.150 | 1.060 |
| 最大值/(mg/kg) | 0.107 | 0.064 | 0.794 | 2.820 | 0.306 | 3.510 | 1.890 | 27.400 |
| 平均值/(mg/kg) | 0.056 | 0.012 | 0.218 | 1.557 | 0.073 | 2.060 | 0.962 | 16.161 |
| 标准差 | 0.019 | 0.012 | 0.159 | 0.698 | 0.084 | 0.783 | 0.396 | 5.853 |
| GB 2762—2022限值/(mg/kg) | 0.2 | 0.02 | 0.35 | 1.0 | 0.2 | | | |
| 超标率/% | 0.00 | 12.00 | 12.00 | 80.00 | 12.00 | | | |
), ArticleFig(id=1321170834023104638, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1321170824690778161, language=EN, label=Tab.5, caption=
Health risk assessment results of eight heavy metals in rice
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| 项目 | 目标危险商THQ | 危险指数HI |
|---|
| Pb | Hg | As | Cr | Cd | Cu | Ni | Zn |
|---|
| 最小值 | 0.01 | 0.02 | 0.12 | 0.00 | 0.01 | 0.03 | 0.03 | 0.01 | 0.55 |
| 最大值 | 0.09 | 0.75 | 9.27 | 0.01 | 1.07 | 0.31 | 0.33 | 0.32 | 9.91 |
| 平均值 | 0.05 | 0.13 | 2.55 | 0.00 | 0.26 | 0.18 | 0.17 | 0.19 | 3.53 |
), ArticleFig(id=1321170834106990719, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1321170824690778161, language=CN, label=表5, caption=
稻谷中8种重金属健康风险评估结果
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| 项目 | 目标危险商THQ | 危险指数HI |
|---|
| Pb | Hg | As | Cr | Cd | Cu | Ni | Zn |
|---|
| 最小值 | 0.01 | 0.02 | 0.12 | 0.00 | 0.01 | 0.03 | 0.03 | 0.01 | 0.55 |
| 最大值 | 0.09 | 0.75 | 9.27 | 0.01 | 1.07 | 0.31 | 0.33 | 0.32 | 9.91 |
| 平均值 | 0.05 | 0.13 | 2.55 | 0.00 | 0.26 | 0.18 | 0.17 | 0.19 | 3.53 |
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