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國家海洋局天津海洋環境監測中心站南港海洋環境監測站地塊土壤污染狀況調查公示

2023-07-11 14:13

2023年5月,國家海(hai)(hai)洋(yang)(yang)局(ju)(ju)天(tian)津海(hai)(hai)洋(yang)(yang)環(huan)(huan)境監測中(zhong)心(xin)(xin)站(zhan)委托世紀(ji)鑫海(hai)(hai)(天(tian)津)環(huan)(huan)境科技有限公司(si)開展南(nan)(nan)港(gang)海(hai)(hai)洋(yang)(yang)環(huan)(huan)境監測站(zhan)土壤污染狀況調查工(gong)作(zuo),國家海(hai)(hai)洋(yang)(yang)局(ju)(ju)天(tian)津海(hai)(hai)洋(yang)(yang)環(huan)(huan)境監測中(zhong)心(xin)(xin)站(zhan)南(nan)(nan)港(gang)海(hai)(hai)洋(yang)(yang)環(huan)(huan)境監測站(zhan)(以下簡稱南(nan)(nan)港(gang)海(hai)(hai)洋(yang)(yang)站(zhan))地(di)(di)塊位于濱(bin)海(hai)(hai)新區開發區南(nan)(nan)港(gang)工(gong)業(ye)區,海(hai)(hai)濱(bin)三(san)(san)道以西,創(chuang)業(ye)二(er)路以北(bei)。四至(zhi)(zhi)范(fan)圍為(wei):東(dong)至(zhi)(zhi)海(hai)(hai)濱(bin)三(san)(san)道、南(nan)(nan)至(zhi)(zhi)創(chuang)業(ye)二(er)路、西至(zhi)(zhi)規(gui)劃(hua)用(yong)(yong)地(di)(di)、北(bei)至(zhi)(zhi)規(gui)劃(hua)用(yong)(yong)地(di)(di),占(zhan)地(di)(di)面積3326.2m2。目前地(di)(di)塊規(gui)劃(hua)為(wei)商業(ye)用(yong)(yong)地(di)(di),即第二(er)類用(yong)(yong)地(di)(di),未(wei)來仍作(zuo)為(wei)第二(er)類用(yong)(yong)地(di)(di)使用(yong)(yong),規(gui)劃(hua)調整后用(yong)(yong)途(tu)為(wei)科研用(yong)(yong)地(di)(di)。

該地(di)塊(kuai)(kuai)歷史上(shang)為圍海造地(di),屬于填海平整(zheng)后開發利用,熟(shu)化后作為南港工(gong)業(ye)(ye)區(qu)建設用地(di)。地(di)塊(kuai)(kuai)內無構建筑(zhu)物(wu)、無生產歷史、無固(gu)廢(fei)堆存等情況,地(di)塊(kuai)(kuai)現狀平坦,長有荒(huang)草。地(di)塊(kuai)(kuai)緊鄰(lin)區(qu)域無生產企(qi)業(ye)(ye)。

地(di)(di)塊面積小于5000平(ping)方(fang)米,依(yi)據(ju)《建設用(yong)地(di)(di)土(tu)(tu)壤(rang)污(wu)(wu)染(ran)狀況調(diao)查(cha)技術導則》(HJ25.1-2019),初(chu)步調(diao)查(cha)過程地(di)(di)塊內(nei)共(gong)(gong)布設4個(ge)土(tu)(tu)壤(rang)采樣(yang)(yang)點位(其中(zhong)(zhong)3個(ge)兼(jian)做地(di)(di)下(xia)(xia)水(shui)采樣(yang)(yang)點),滿足技術要求。共(gong)(gong)采集土(tu)(tu)壤(rang)樣(yang)(yang)品9組(zu)(含平(ping)行樣(yang)(yang)1組(zu)),采集地(di)(di)下(xia)(xia)水(shui)樣(yang)(yang)品4組(zu)(含平(ping)行樣(yang)(yang)1組(zu))。分析檢(jian)測(ce)結果顯示地(di)(di)塊內(nei)土(tu)(tu)壤(rang)樣(yang)(yang)品中(zhong)(zhong)pH值(zhi)介于8.02~8.47之(zhi)間,偏(pian)堿性(xing)。重(zhong)金屬砷、鎘、銅、鉛(qian)、汞、鎳(nie)六種重(zhong)金屬及石(shi)油烴(jing)(C10-C40)有檢(jian)出(chu)(chu),檢(jian)出(chu)(chu)率為100%。六價鉻(ge)、揮發性(xing)有機(ji)物、半揮發性(xing)有機(ji)物檢(jian)測(ce)濃度低于方(fang)法檢(jian)出(chu)(chu)限。土(tu)(tu)壤(rang)中(zhong)(zhong)檢(jian)出(chu)(chu)污(wu)(wu)染(ran)物濃度均滿足《土(tu)(tu)壤(rang)環境質量(liang)建設用(yong)地(di)(di)土(tu)(tu)壤(rang)污(wu)(wu)染(ran)風(feng)險(xian)管(guan)(guan)控標準(試行)》(GB36600-2018)中(zhong)(zhong)的第二類用(yong)地(di)(di)篩選(xuan)值(zhi)。地(di)(di)下(xia)(xia)水(shui)樣(yang)(yang)品檢(jian)出(chu)(chu)數據(ju)滿足《地(di)(di)下(xia)(xia)水(shui)質量(liang)標準》(GB/T14848-2017)中(zhong)(zhong)的IV類標準限值(zhi),地(di)(di)下(xia)(xia)水(shui)中(zhong)(zhong)石(shi)油烴(jing)(C10-C40)檢(jian)出(chu)(chu)濃度均滿足《上海市建設用(yong)地(di)(di)土(tu)(tu)壤(rang)污(wu)(wu)染(ran)狀況調(diao)查(cha)、風(feng)險(xian)評估、風(feng)險(xian)管(guan)(guan)控與修復(fu)方(fang)案編(bian)制、風(feng)險(xian)管(guan)(guan)控與修復(fu)效果評估工作的補(bu)充規(gui)定(試行)》中(zhong)(zhong)石(shi)油烴(jing)的第二類用(yong)地(di)(di)篩選(xuan)值(zhi)。

綜上(shang),本項目地(di)塊內土(tu)壤及地(di)下水(shui)中(zhong)檢測的(de)污(wu)染物含量均未超(chao)過(guo)相應(ying)的(de)限(xian)值標準(zhun)。因此,該(gai)地(di)塊不屬(shu)于(yu)污(wu)染地(di)塊,滿足后期作為科研用地(di)的(de)土(tu)壤環境質量要求,無(wu)需進一步開(kai)展土(tu)壤污(wu)染狀況調查(cha)工作。