本文就環境監測采樣問題進行了分析和探討,通過對水質、大da氣qi以yi及ji土tu壤rang等deng不bu同tong方fang麵mian的de因yin素su進jin行xing了le分fen析xi,結jie合he監jian測ce工gong作zuo的de實shi際ji狀zhuang況kuang,針zhen對dui性xing指zhi出chu了le在zai環huan境jing監jian測ce的de現xian場chang當dang中zhong需xu要yao對dui不bu同tong的de分fen析xi方fang式shi以yi及ji采cai樣yang的de方fang法fa的de運用,對采集樣本的有效保存、環境因素對樣本采集的影響以及采樣工具對土壤成分的影響等細節方麵的問題提出科學合理的建議。現xian場chang采cai樣yang作zuo為wei環huan境jing監jian測ce的de重zhong要yao環huan節jie,在zai進jin行xing現xian場chang采cai樣yang時shi會hui受shou到dao各ge種zhong各ge樣yang的de影ying響xiang因yin素su幹gan擾rao,如ru何he確que保bao現xian場chang采cai樣yang工gong作zuo的de順shun利li進jin行xing,保bao證zheng采cai樣yang數shu據ju的de準zhun確que性xing、完整性、精密性,很難確保環境監測工作的順利開展。
然(ran)而(er),監(jian)測(ce)出(chu)的(de)數(shu)據(ju)可(ke)以(yi)第(di)一(yi)時(shi)間(jian)反(fan)應(ying)出(chu)環(huan)境(jing)質(zhi)量(liang)的(de)狀(zhuang)況(kuang),這(zhe)也(ye)為(wei)管(guan)理(li)部(bu)門(men)的(de)決(jue)策(ce)提(ti)供(gong)出(chu)了(le)科(ke)學(xue)有(you)效(xiao)的(de)依(yi)據(ju)。對(dui)所(suo)采(cai)集(ji)的(de)樣(yang)品(pin)的(de)有(you)效(xiao)分(fen)析(xi)和(he)對(dui)數(shu)據(ju)的(de)處(chu)理(li)方(fang)式(shi)直(zhi)接(jie)決(jue)定(ding)了(le)數(shu)據(ju)的(de)準(zhun)確(que)性(xing),我(wo)們(men)需(xu)要(yao)不(bu)斷(duan)的(de)關(guan)注(zhu)環(huan)境(jing)監(jian)測(ce)工(gong)作(zuo)現(xian)場(chang)的(de)細(xi)節(jie)方(fang)麵(mian)問(wen)題(ti),不(bu)斷(duan)提(ti)升(sheng)環(huan)境(jing)監(jian)測(ce)的(de)質(zhi)量(liang),這(zhe)對(dui)環(huan)境(jing)保(bao)護(hu)工(gong)作(zuo)有(you)著(zhe)非(fei)常(chang)重(zhong)要(yao)的(de)現(xian)實(shi)意(yi)義(yi)。
1、水質采樣工作
(1)采取不同的分析方式
zaijinxinghuanjingjiancegongzuodangzhong,fenxifangshideyunyongshifouzhengque,jiangduizuizhongdejiancejieguodekexuezhunquexingchanshengzhijiexingdeyingxiang,xiangtongdejianceyangben,yinweiqilaiyuandexingshidechayi,duiqicaiqudefenxifangfayeyouzhejiaodadebutong。yingdangyizhaojiancexiangmuzaishuitihuozhewushuizhongdenongdushuiping、具體的執行標準的確定,選取最佳的監測方式;所檢出限應當低於執行標準值的1/5,以此來滿足監測工作可以充分滿足該監測樣本的基本要求。在zai選xuan取qu分fen析xi方fang法fa上shang首shou先xian需xu要yao將jiang抗kang幹gan擾rao能neng力li進jin行xing優you先xian考kao慮lv,采cai樣yang工gong作zuo人ren員yuan應ying該gai對dui其qi所suo采cai集ji的de樣yang品pin的de性xing質zhi進jin行xing詳xiang細xi的de了le解jie。比bi如ru我wo國guo某mou些xie化hua工gong企qi業ye在zai生sheng產chan過guo程cheng中zhong生sheng成cheng的de廢fei水shui是shi高gao氯lv廢fei水shui,在zai進jin行xing廢fei水shui監jian測ce的de工gong作zuo中zhong采cai集jiCOD 樣品則需要明確標準是氯氣校正的方式來進行監測分析,這樣才可以有效的保證最終監測結果的準確性。在進行環境監測現場采樣的工作中,自然因素是千變萬化的,自然因素的變化對所采集的樣品會造成一定的影響。比如:風速、環境溫度、雨yu雪xue等deng因yin素su都dou會hui造zao成cheng環huan境jing當dang中zhong存cun在zai的de汙wu染ran物wu的de分fen布bu發fa生sheng變bian化hua。在zai對dui地di表biao水shui進jin行xing采cai樣yang工gong作zuo中zhong,才cai幾ji點dian的de分fen布bu需xu要yao在zai同tong一yi個ge土tu壤rang斷duan麵mian上shang,要yao是shi監jian測ce采cai樣yang和he河he岸an相xiang距ju較jiao近jin,那na麼me所suo造zao成cheng的de誤wu差cha的de影ying響xiang就jiu會hui更geng大da,同tong時shi伴ban隨sui季ji節jie的de變bian化hua,河he道dao的de漲zhang潮chao的de時shi間jian會hui發fa生sheng一yi定ding的de變bian化hua,這zhe就jiu需xu要yao樣yang本ben采cai集ji人ren員yuan在zai工gong作zuo之zhi前qian實shi施shi充chong分fen的de實shi地di調tiao研yan的de準zhun備bei,防fang止zhi采cai集ji到dao錯cuo誤wu時shi間jian段duan的de樣yang本ben,影ying響xiang監jian測ce的de最zui終zhong結jie果guo。為了降低環境條件和微生物的新陳代謝活動以及其他化學作用的影響,最常用的樣本保存的方式有冷藏、冷凍以及加保護劑等方式。因為地表水、汙水樣本的主要成分是存在差異的,同樣保存的條件也很難保證對同一種類型的樣品中等待監測的物質都是完全可行的。我們以某燃氣電廠的驗收監測工作為例,采集的樣本二氧化硫的濃度較低,所使用的常規的儀器檢測法(地位電解法)dejiancejieguobingbunengjiancechuqizhongeryanghualiudezhunquenongdu,yinweihuaxuefadeshijijianchuxianyuanyuandiyuyiqifa,zhejiuxuyaoxiangguandejiancerenyuanxuyaoxuanyonghuaxuefalaijinxingcaiyanghefenxi,shidezuihoudejiancejieguogengjiadekexuezhunque。采用吸收液所收集的樣品,吸收液和采集的溶液的穩定性相對較差,非常容易受到空氣的氧化、yangguangdezhaosheyijixianchanghuanjingwendudebianhuachanshengfenjiedexianxiang,zhejiuxuyaoduiyangbenshishidiwenbaocun,youqishizaixiatianxuyaozaibingxiangdangzhonglengzang,bimianduisuojiancedejieguoxingchengwucha,zaiyangbencaijigongzuowanchengzhihouxuyaoduixishouguanshishimifengbaocun,bingqieyaojinkuaiduiyangbenjinxingfenxi。在(zai)出(chu)現(xian)樣(yang)品(pin)的(de)濃(nong)度(du)很(hen)高(gao),或(huo)者(zhe)是(shi)所(suo)選(xuan)取(qu)的(de)分(fen)析(xi)方(fang)法(fa)靈(ling)敏(min)度(du)較(jiao)高(gao)的(de)時(shi)候(hou),就(jiu)可(ke)以(yi)直(zhi)接(jie)使(shi)用(yong)采(cai)樣(yang)法(fa)對(dui)樣(yang)品(pin)進(jin)行(xing)采(cai)集(ji),最(zui)常(chang)用(yong)的(de)容(rong)器(qi)有(you)注(zhu)射(she)容(rong)器(qi)、塑料氣袋以及真空瓶等等。這些容器都需要進行氣密性檢測,防止在使用的過程中出現漏氣的狀況。土tu壤rang存cun在zai的de不bu均jun一yi性xing是shi對dui采cai樣yang工gong作zuo造zao成cheng誤wu差cha的de一yi個ge最zui主zhu要yao的de原yuan因yin,在zai進jin行xing采cai樣yang工gong作zuo之zhi前qian需xu要yao實shi施shi現xian場chang的de勘kan察cha以yi及ji對dui相xiang關guan資zi料liao進jin行xing收shou集ji和he分fen析xi,依yi照zhao土tu壤rang的de類lei型xing、feilidengjiyijidixingfangmiandeyinsu,jiangshijiyanjiudefanweihuafenchengruogangequyu,zaimeigequyuzhongcaiyangdeturangdouxuyaozuidaxiandushangzuodaopingjunyizhi,caiyangdeqijubunengyudengdaicaiyangdegufeiwuzhichanshengfanying,bunengrangdaicaigongyegufeiwutiwuran、分層以及丟失。對(dui)噪(zao)音(yin)的(de)監(jian)測(ce)工(gong)作(zuo)主(zhu)要(yao)包(bao)含(han)了(le)工(gong)業(ye)企(qi)業(ye)噪(zao)音(yin)監(jian)測(ce)與(yu)環(huan)境(jing)敏(min)感(gan)點(dian)噪(zao)音(yin)的(de)監(jian)測(ce)。在(zai)對(dui)工(gong)業(ye)企(qi)業(ye)進(jin)行(xing)噪(zao)音(yin)監(jian)測(ce)的(de)過(guo)程(cheng)中(zhong),首(shou)先(xian)需(xu)要(yao)重(zhong)點(dian)關(guan)注(zhu)是(shi)調(tiao)查(zha)統(tong)計(ji)企(qi)業(ye)的(de)實(shi)際(ji)生(sheng)產(chan)狀(zhuang)況(kuang),主(zhu)要(yao)對(dui)生(sheng)產(chan)的(de)設(she)備(bei)開(kai)機(ji)台(tai)數(shu)和(he)運(yun)行(xing)的(de)狀(zhuang)況(kuang)進(jin)行(xing)詳(xiang)細(xi)的(de)記(ji)錄(lu),同(tong)時(shi)還(hai)需(xu)要(yao)調(tiao)查(zha)機(ji)器(qi)在(zai)運(yun)行(xing)的(de)具(ju)體(ti)時(shi)間(jian)段(duan),像(xiang)每(mei)天(tian)幾(ji)班(ban)運(yun)行(xing)等(deng)方(fang)麵(mian)。噪(zao)聲(sheng)監(jian)測(ce)工(gong)作(zuo)同(tong)時(shi)還(hai)需(xu)要(yao)注(zhu)意(yi)天(tian)氣(qi)條(tiao)件(jian),要(yao)求(qiu)在(zai)無(wu)雷(lei)雨(yu)天(tian)氣(qi)下(xia),並(bing)且(qie)風(feng)速(su)在(zai)5m/s 以下的條件下來進行。(1)建(jian)立(li)和(he)完(wan)善(shan)質(zhi)量(liang)管(guan)理(li)體(ti)製(zhi)。建(jian)立(li)健(jian)全(quan)各(ge)項(xiang)質(zhi)量(liang)管(guan)理(li)製(zhi)度(du),並(bing)嚴(yan)格(ge)的(de)貫(guan)徹(che)執(zhi)行(xing),保(bao)證(zheng)各(ge)項(xiang)規(gui)章(zhang)製(zhi)度(du)落(luo)到(dao)實(shi)處(chu)。做(zuo)好(hao)監(jian)督(du)管(guan)理(li)工(gong)作(zuo),對(dui)監(jian)測(ce)現(xian)場(chang)進(jin)行(xing)不(bu)定(ding)期(qi)的(de)抽(chou)查(zha),真(zhen)正(zheng)發(fa)揮(hui)質(zhi)量(liang)監(jian)督(du)和(he)指(zhi)導(dao)的(de)作(zuo)用(yong),保(bao)證(zheng)監(jian)測(ce)現(xian)場(chang)的(de)工(gong)作(zuo)質(zhi)量(liang)。(2)做zuo好hao現xian場chang采cai樣yang人ren員yuan的de管guan理li。對dui現xian場chang采cai樣yang人ren員yuan定ding期qi進jin行xing專zhuan業ye知zhi識shi的de培pei訓xun和he學xue習xi,提ti供gong監jian測ce人ren員yuan的de業ye務wu能neng力li。經jing驗yan豐feng富fu的de采cai樣yang人ren員yuan以yi傳chuan幫bang帶dai的de方fang式shi幫bang助zhu新xin員yuan工gong盡jin快kuai掌zhang握wo實shi踐jian技ji能neng,以yi能neng夠gou盡jin快kuai參can與yu到dao實shi踐jian工gong作zuo中zhong。不bu定ding期qi進jin行xing業ye務wu考kao核he,建jian立li合he理li的de激ji勵li機ji製zhi,督du促cu監jian測ce人ren員yuan提ti高gao自zi身shen的de業ye務wu能neng力li。(1)yaobaozhengxianchangcaiyanggongzuozhiliang,shouxianbixujiaqiangduicaiyangrenyuandepeixun,chizhengshanggang。duiyumeigejiancerenwuquedingyimingxianchangfuzeren,youxianchangfuzerenzhidingcaiyangjihuabingzuzhishishi。yaoqiuxianchangfuzerenyaochongfenlejiegaijiancerenwudemudeheyaoqiu,qingchujiancedianweibushejizhouweiqingkuang,shuxigongkuanghezhafangfa、采樣方法、樣品保存要求。(2)weileshizhiliangkongzhigongzuogenghaodirongruhuanjingjiancequanguochengzhong,nengjiaokuaidefaxiancunzaicuowudehuanjie,youliyuduibufuheguifandegongzuojinxingjiuzheng,shixianchangjiancegongzuozhubuguifanhua,bianzhixianchangjiancezhiliangjiandujianzhabiao。zhiliangjianduyuanjiehegongzuoshijizhidingguifandeyangpinbianhaochengxuheyangpinliuzhuanchengxu,quebaoyangpindeweiyixingbiaoshi,tongshibaozhengcaijidaodeyangpinfenxiqijianzufenhehuaxuexingzhibufashengbianhua。(3)現場監測人員要依照規範進行操作,做好現場記錄,詳細記錄監測用儀器設備編號、監測點位、采樣位置、采樣時間、氣象條件、工gong況kuang負fu荷he及ji淨jing化hua設she施shi運yun行xing情qing況kuang等deng,並bing附fu現xian場chang監jian測ce點dian位wei圖tu或huo流liu程cheng圖tu,保bao證zheng溯su源yuan性xing。同tong時shi,每mei批pi樣yang品pin都dou應ying做zuo全quan程cheng序xu平ping行xing空kong白bai樣yang,必bi要yao時shi采cai集ji現xian場chang―實驗室質控樣品進行質控核查。(4)每台監測用儀器與設備均應設立檔案,粘貼唯一性標識;依法對儀器與設備進行檢定或校準,並在合格有效期內使用;製定儀器與設備的年度核查計劃,並按計劃執行;定期對儀器與設備進行維護保養,同時填寫維護保養記錄;製定儀器與設備的管理程序和操作規程,使用時做好使用記錄;每(mei)台(tai)儀(yi)器(qi)與(yu)設(she)備(bei)有(you)責(ze)任(ren)人(ren)負(fu)責(ze)日(ri)常(chang)管(guan)理(li),監(jian)督(du)儀(yi)器(qi)與(yu)設(she)備(bei)的(de)規(gui)範(fan)性(xing)操(cao)作(zuo),保(bao)證(zheng)儀(yi)器(qi)與(yu)設(she)備(bei)處(chu)於(yu)完(wan)好(hao)狀(zhuang)態(tai),在(zai)監(jian)測(ce)時(shi)運(yun)行(xing)正(zheng)常(chang)。現(xian)場(chang)采(cai)樣(yang)完(wan)成(cheng)後(hou),監(jian)測(ce)人(ren)員(yuan)要(yao)對(dui)儀(yi)器(qi)設(she)備(bei)進(jin)行(xing)清(qing)理(li)、jianzha,bingyutongzurenyuanzuohaoduijie,heduiyiqideshuliangjibianhao,zuohaorukujilu。xianchangjiancerenyuanyingdangshuxiyiqidegouzao,jubeixiaoguzhangdepaichunengli,bunengpaichudeyingjishizaiyiqixiangtishangtiebiaoqianbingzhumingguzhangqingkuang,yiqisonghuishi,zhijiejiaoyouyiqishiguanlirenyuan;儀器室管理人員對儀器進行初步檢修,確定排除故障後儀器入庫,初步檢修無法排除故障的,應負責聯係儀器廠家盡快維修、保養,並認真填寫維修記錄,確保所有儀器均處於良好的運行狀態。(5)weilebaozhengzhiliangkongzhidexiaoguo,xianchangjiancedecaiyangjilushifuxiancaiyangqingjingdeyigezhongyaotujing,zaihuanjingjiancexianchangcaiyanggongzuowanchengyihou,shouyangrenhaiyaofuzeduixianchangcaiyangjilujinxingjianzha,baozhengyangpinshijizhuangtaiyuxinxijiludeyizhixing。yangpinshijizhuangtaiyujilubuyizhi,caiyangjiluxinxibuquanshi,shouyangrenbudejieshouyangpin。lingwai,zaijianzhagongzuowanchengyihou,yaoduijianceguochengjinxingyidingdepinggu。pingguneirongbaokuo:監測內容是否正確,樣品、ziliaoshifouwanzheng,shifoudadaozhiliangkongzhimubiao。tongguoduizhexieyinsudezonghepinggu,nenggoujishifaxianxianchangjiancezhongcunzaidewentibingjishijinxingjiejue。zaiduijianceguochengjinxingjianzhahepinggudejichushang,wanchengxianchangjiancezongjiedebianxie,duiyuxianchangjiancexiangguandegexiangneirong,baokuojiancefangan、準備工作、現場監測取樣、yangpinjiziliaodeshoujidengjinxingfenxi,zongjiechuzhenggejiancegongzuohaodejingyanhebuzu,yibianzaijinhoudejiancegongzuozhongjiayibaochihegaijin,yibianyutigaohuanjingjiancegongzuodezhiliang。
對(dui)所(suo)采(cai)集(ji)的(de)樣(yang)品(pin)的(de)有(you)效(xiao)分(fen)析(xi)和(he)對(dui)數(shu)據(ju)的(de)處(chu)理(li)方(fang)式(shi)直(zhi)接(jie)決(jue)定(ding)了(le)數(shu)據(ju)的(de)準(zhun)確(que)性(xing),這(zhe)就(jiu)需(xu)要(yao)不(bu)斷(duan)的(de)關(guan)注(zhu)環(huan)境(jing)監(jian)測(ce)工(gong)作(zuo)現(xian)場(chang)的(de)細(xi)節(jie)方(fang)麵(mian)問(wen)題(ti),不(bu)斷(duan)提(ti)升(sheng)環(huan)境(jing)監(jian)測(ce)的(de)質(zhi)量(liang),改(gai)善(shan)當(dang)前(qian)我(wo)國(guo)環(huan)境(jing)狀(zhuang)況(kuang),同(tong)時(shi)對(dui)人(ren)們(men)生(sheng)活(huo)質(zhi)量(liang)和(he)良(liang)好(hao)的(de)社(she)會(hui)發(fa)展(zhan)氛(fen)圍(wei)都(dou)起(qi)到(dao)至(zhi)關(guan)重(zhong)要(yao)的(de)促(cu)進(jin)作(zuo)用(yong),所(suo)以(yi)不(bu)斷(duan)完(wan)善(shan)和(he)實(shi)施(shi)環(huan)境(jing)監(jian)測(ce)工(gong)作(zuo)是(shi)對(dui)我(wo)國(guo)社(she)會(hui)快(kuai)速(su)發(fa)展(zhan)的(de)一(yi)種(zhong)有(you)力(li)保(bao)障(zhang)。