溫州市(shi)永(yong)(yong)(yong)強(qiang)北(bei)(bei)片(pian)區永(yong)(yong)(yong)中(zhong)(zhong)(zhong)單(dan)元(0577-WZ-YB-08)G-01地(di)(di)(di)塊(kuai)一期(qi)位于溫州市(shi)龍灣區永(yong)(yong)(yong)中(zhong)(zhong)(zhong)街道,東側和(he)南側靠溫州市(shi)永(yong)(yong)(yong)強(qiang)北(bei)(bei)片(pian)區永(yong)(yong)(yong)中(zhong)(zhong)(zhong)單(dan)元(0577-WZ-YB-08)G-01地(di)(di)(di)塊(kuai)二期(qi)拆遷(qian)空(kong)地(di)(di)(di),西臨建中(zhong)(zhong)(zhong)南路,北(bei)(bei)鄰(lin)拆遷(qian)空(kong)地(di)(di)(di)和(he)滄上河,中(zhong)(zhong)(zhong)心坐標為東經120.815270°,北(bei)(bei)緯27.919768°,地(di)(di)(di)塊(kuai)總占地(di)(di)(di)面積約(yue)19321 m2(29畝(mu))。該調查地(di)(di)(di)塊(kuai)現狀由廠房拆遷(qian)空(kong)地(di)(di)(di)組(zu)成,地(di)(di)(di)塊(kuai)歷史(shi)上的(de)(de)(de)土(tu)地(di)(di)(di)利(li)用(yong)類(lei)型以工業用(yong)地(di)(di)(di)為主;歷史(shi)上曾有企業進駐,分別為浙(zhe)江五(wu)星鋼管制(zhi)(zhi)造有限(xian)(xian)公(gong)司(si)、溫州市(shi)正茂鋼管制(zhi)(zhi)造有限(xian)(xian)公(gong)司(si)、溫州市(shi)雙馬鋼管制(zhi)(zhi)造有限(xian)(xian)公(gong)司(si)和(he)浙(zhe)江嘉泰異型鋼管廠4家企業,行業類(lei)型為黑色金屬冶(ye)煉及(ji)壓延加工業。根據《溫州市(shi)永(yong)(yong)(yong)強(qiang)北(bei)(bei)片(pian)區永(yong)(yong)(yong)中(zhong)(zhong)(zhong)單(dan)元(0577-WZ-YB-08)控制(zhi)(zhi)性(xing)詳細規劃(修(xiu)編)》,溫州市(shi)永(yong)(yong)(yong)強(qiang)北(bei)(bei)片(pian)區永(yong)(yong)(yong)中(zhong)(zhong)(zhong)單(dan)元(0577-WZ-YB-08)G-01地(di)(di)(di)塊(kuai)一期(qi)今后(hou)的(de)(de)(de)用(yong)地(di)(di)(di)類(lei)型為R2二類(lei)居(ju)住用(yong)地(di)(di)(di),屬于《土(tu)壤(rang)(rang)環(huan)境質量(liang)建設用(yong)地(di)(di)(di)土(tu)壤(rang)(rang)污染風險管控標準(試行)》(GB 36600-2018)規定(ding)的(de)(de)(de)第(di)一類(lei)用(yong)地(di)(di)(di)。
根據《中華人民共和國土壤污染防治法》文件第五十九條規定,用途變更為住宅、公共管理與公共服務用地的,變更前應當按照規定進行土壤污染狀況調查。鑒于此,溫州市龍灣城市中心區開發建設管理委員會于2020年4月委托浙江中藍環境(jing)科技有限公(gong)司(si)對溫(wen)州(zhou)(zhou)市(shi)永(yong)(yong)強北(bei)片(pian)區永(yong)(yong)中(zhong)單元(0577-WZ-YB-08)G-01地(di)塊(kuai)一(yi)期開展土(tu)壤(rang)(rang)污(wu)染狀(zhuang)況(kuang)(kuang)初步(bu)調查(cha)工(gong)作。我公(gong)司(si)編制(zhi)了《溫(wen)州(zhou)(zhou)市(shi)永(yong)(yong)強北(bei)片(pian)區永(yong)(yong)中(zhong)單元(0577-WZ-YB-08)G-01地(di)塊(kuai)一(yi)期土(tu)壤(rang)(rang)污(wu)染狀(zhuang)況(kuang)(kuang)初步(bu)調查(cha)報告(gao)》,于2021年1月(yue)(yue)完成土(tu)壤(rang)(rang)污(wu)染狀(zhuang)況(kuang)(kuang)初步(bu)調查(cha)工(gong)作并通過專家評審,并于2021年2月(yue)(yue)取得溫(wen)州(zhou)(zhou)市(shi)生態環境(jing)局龍(long)灣分局評審意見(jian)。根據土(tu)壤(rang)(rang)污(wu)染狀(zhuang)況(kuang)(kuang)初步(bu)調查(cha)結(jie)果,調查(cha)地(di)塊(kuai)土(tu)壤(rang)(rang)重金屬鎳濃(nong)度(du)超過相應評價(jia)標準,確定本地(di)塊(kuai)為污(wu)染地(di)塊(kuai),需(xu)進行下一(yi)步(bu)的詳細(xi)調查(cha)等系列工(gong)作,因此(ci)我公(gong)司(si)在(zai)地(di)塊(kuai)詳細(xi)調查(cha)與(yu)采樣(yang)工(gong)作基礎上,編制(zhi)了《溫(wen)州(zhou)(zhou)市(shi)永(yong)(yong)強北(bei)片(pian)區永(yong)(yong)中(zhong)單元(0577-WZ-YB-08)G-01地(di)塊(kuai)一(yi)期土(tu)壤(rang)(rang)污(wu)染狀(zhuang)況(kuang)(kuang)詳細(xi)調查(cha)報告(gao)》。
按照《污(wu)染(ran)地塊(kuai)(kuai)土(tu)壤(rang)環境(jing)(jing)管(guan)理辦法》(環境(jing)(jing)保護部令 第42號)“對(dui)疑似污(wu)染(ran)地塊(kuai)(kuai)開(kai)(kai)展的土(tu)壤(rang)環境(jing)(jing)初步調查(cha)活動(dong),以及(ji)對(dui)污(wu)染(ran)地塊(kuai)(kuai)開(kai)(kai)展的土(tu)壤(rang)環境(jing)(jing)詳(xiang)細(xi)調查(cha)、風險評估、風險管(guan)控、治理與修(xiu)復及(ji)其(qi)效(xiao)果評估等活動(dong)”的要(yao)求(qiu),通過對(dui)溫州市永(yong)強北片區永(yong)中(zhong)單元(0577-WZ-YB-08)G-01地塊(kuai)(kuai)一期(qi)開(kai)(kai)展地塊(kuai)(kuai)土(tu)壤(rang)污(wu)染(ran)狀況詳(xiang)細(xi)調查(cha)結果可知:
地(di)塊土(tu)壤(rang)監(jian)測指(zhi)標在第(di)一類(lei)(lei)用地(di)規(gui)劃下存在不同(tong)程(cheng)度的(de)超篩(shai)(shai)選值(zhi)污染,其(qi)中鎳和六價鉻超過《土(tu)壤(rang)環境質量 建設用地(di)土(tu)壤(rang)污染風險(xian)管(guan)控標準(試行(xing))》(GB36600-2018)的(de)第(di)一類(lei)(lei)用地(di)篩(shai)(shai)選值(zhi),氟(fu)化(hua)物超浙(zhe)江省《建設用地(di)土(tu)壤(rang)污染風險(xian)評(ping)估技術導則(ze)》(征求意見后(hou)修(xiu)訂(ding))的(de)第(di)一類(lei)(lei)用地(di)篩(shai)(shai)選值(zhi),鎳、六價鉻和氟(fu)化(hua)物的(de)檢出最大濃度分(fen)(fen)別為7410 mg/kg、18.8 mg/kg和32000 mg/kg,單項污染指(zhi)數分(fen)(fen)別為49.40、6.27、16.00倍(bei),其(qi)中鎳的(de)超管(guan)制值(zhi)倍(bei)數為12.35倍(bei)。
對(dui)比《地下(xia)水質量標(biao)準(zhun)》(GB14848-2017)Ⅳ類標(biao)準(zhun)限值,地下(xia)水中檢(jian)出指標(biao)鉻(ge)和鋅均滿足(zu)《地下(xia)水質量標(biao)準(zhun)》中IV類標(biao)準(zhun);氨氮(dan)、高錳酸鹽(yan)指數、鎳、氟化物和六價鉻(ge)不能滿足(zu)《地下(xia)水質量標(biao)準(zhun)》中IV類標(biao)準(zhun)。
根據《中華人(ren)民共和國土(tu)壤(rang)污(wu)染防治(zhi)法(fa)》與《污(wu)染地(di)塊土(tu)壤(rang)環境(jing)(jing)管理辦法(fa)》(環境(jing)(jing)保(bao)護部令 第42號),調查(cha)地(di)塊土(tu)壤(rang)環境(jing)(jing)質量未滿足(zu)《土(tu)壤(rang)環境(jing)(jing)質量 建設用地(di)土(tu)壤(rang)污(wu)染風險管控標準(試行)》(GB 36600-2018)中的第一類用地(di)要(yao)求(qiu),需(xu)開(kai)展后續風險評估及修復等系列工作。