5210 B. 5-Day BOD Tnt
Transcription
5210 B. 5-Day BOD Tnt
Source . bup '"'ww!!llfMCO wPl'btmVI.bfteS! OIedpds. ~;IObfp hml 5210 BIOCHEMICAL OXYGEN DEMAND IBODr 5210 B. 5-Day BOD Tnt 1. a.n.tJIl DI.eulllon •. Pt~"""'.' The mettIod 00tIIitlt or /IIng wIlh NITlple. 10 lM!l1Iowing, ., Ilrlighl bolJle of the speafIecl IÎz. and Il1OJbltinog • • the Il*iJ'Jed lempll1Ilul1I /0( 5 d. Disoso/Yed OXV'iIen Is rnusuAlll lnillIIlly Ind Iller Il1OJbllIon.1I'Ill1tM 800" oomponedl'rom lhe clifI"eterlllIl befWr!en lnItiII and I\PIII 00. 8ecIUH the Intill 00 Il del.rrnIntO IhofIly .n.... 1IIe dilllllon Il mIde.lIIlllll)'gell UpIKlI oc.aJrmg illier Ihismel5Uremelllls lnd~ ln !hl BOO mnSlnmet'il. II. San,..", lIId PlJ{1II: SImpIIIs lor BOO .n.1ysÎ$ fMy _Ille aignifieantly ôurinO ltotlQI bel' un CCII'Idkln .ncI_ly:sI$. Ie5lJllng ln Iow BOO vllues. Minma. redI.Iction 01 BOO ~ lnI/yljng IImple prompWy or by ooollnglt ID lIIIar·fnlezîng Idi.,e.1Itunl during stol1Ige. fkrwe __• _ " kM lempll'ltln. UIp holding lime ID 1 iRllirTun. Wmn Cl'illed Nl'llpIe$ II) 20 1 3"c belote _lysiI. 1) GniD lII'I1lHS - Il' lnalysis il begun witIlin 2 " 01 çollec;tion, cclcIllGl1lQI .. Ullneeessllty. If il nDt Il.rted ....... 2 Il oIlI~e eoIIIelion. kllep $IIllpIII. or b&Iow 4'C 8IgIn Il.)'IiI wilItin e Il 01 eoIecliort: 'flflItfI1tIis " nDt .,.Iytb 'rom lhe tirnI of CDIII<llon. poss/bfI8 bIcIouM lM ...mping th .. dlsl.,. mm lhlllborlllory. tIOI'I" or beIDw 4"C and rwp:)rt Itngl" and IltPlperlt.... d 1t0f'lllll""" ltM ~ ln no cne SlIl1.f\IlyIlJ l'I'lCl1Ilh1n 24 Il Ill.... gtIlb $IlTlpIII eollllc:liQn. Wllen IlImpllls.re 10 bD used lor In.1ysIs wIlhln e Il d eoIe-etlon. 2) CciiiipOSÎtll_ilflleS _Keep~ 81 orbetllw.OC durIrç ~ UTIIl c:ornposltlng perlod 10 regulalDly IUT Ils mMe BYelY efb1 kJ deIver Simples for 24 1\. lille the SIITlll altllfla es for 5lcnge Dl' \If1Ib semples. startlng the measuntment oIllokllng and of OOi.$!illIililll periQd. SIàe 5ltnge tme and 00 dtioIiS IS 2. ~ tme l'rom of the reeul!lI. Appamui 1. ~ tr:oitJIIs: Use gI_ bOItlel hlving eo ml or OlMlet CIIl*iIy (3OO-fnl bolIlII ~ 1 ~Uli Sloppllf and 1 n.ecl rnouùl . . plef-.d). Clun boldII wiU'I 1 ~Ifllent. "'l'lM l!lofouGhly. and dreln beftlre use. A$ 1 pteCI1.IIion 1lIIin$l1ll'''i:1lI Iif lfIo Ille diIuIkIn boIllI dI.rlng lncublilofl. USI • Wller se". otllalll SI1Isfac:lOlY waler iUIs by ~k'Q bOIt... In 1 WItIl" tlIltI or bot lCldIllg will. la t!II Il.AllI lTI(lljh 01 speciII 900 bollles. PlIee • paper or pIIstIc: eup or kIII cap _ n....ed l'llOlAh cf bl:taIe ID r«1uee &laponllon of the wlt« HII duI1nQ lM"""!on. ~. ..., ~ 01: wdw biIttI, Ihermostltleal, eontrolIed " 20 .. 1"C. El<dUde Il lIgIIIlo prewm poMibi~y d p/I<ll<lSynthel PfOàueIlOn 01 00. 3. RIIgtlnl$ GCH-6'2995 8101eC1uoo&osie elI\WnolCfllCflUlc H~ : 5.\.1 52lo.S ~lœl PfePlre relgents ln """nce but cbcard If ~ Il.-.y sIgn cA IftC4Àllltion Of bioIogie,ll orowth ln the SIOCIt bottles.. COm!TIer1HI equinlerts cA tI-. "'lIgII'â .... KCIlI:bble ..cIllitf_nt a10ek conc:enlf1Ition m.y 'De ",S«! il lloses .-e .,.usted PfOPOl1ioM1y. •• ~ bcItrer soMlion.: omotve $.5" KH~.. 21.7~ Iill(~•. 33.-41il ,....HPO.. 7~,.nd 1.7 iii NHoCIln .blIllt ~ ml dislilled • • MId diIule to 1 L The pH s/IoUld Ile 7.2 wiUIOIA fWÙ8" MljUSlment. AltemaIlivfIl)', cf 4... Q5 Il KHPQ. or 54.3 Il I(,HPO.ln 'lritll ~ NIOH .nd dilute to 1 L b. AlagrJN.Îl.m ~ 1OhJtiotI. Dis$llIVe .bol,II7lll1","~_ . AdjUll pH 10 7.2 22.5 Il MgSO..7H;:O ln diICiIed ...Ier Md dllllllO 1 L. 1:. ea.tiwn dobldlr MIIl.tiDn: OlSSOlYe 27.5 0 d. ~ cNoIfdIr ~. Ol5soIYI 0.25 Il ~ ln ftiIed __ Md dlute 10 1 L F~ ln (hliled ....... lInll dllull 10 1 L 1. Add and tIIkaII ~ lN. lof' MWl4iullon of CIUItic or .cid ~e s-mples. 1) Add _ SlDWly while stirrlng, .cid 28 ml oonc tulfllrie .cid 10 distllecl_er. 0IIUle to 1 L 2) ADuII_1JissoIve -40 1l5Odlum lI\Ôwdcle ln dIIlhd ...1.... f. SOdIiIm wtfë.autJoo: Di1«1M11.575" N~ OlIl.rte to 1 L ln 1llllO ml dlsmed wat~. Thl!l sokMoo III nat stable: pœPllnt dety. Il. Mtrî/IctJtiorI ~ 2-ehIoto-6-(lrichlorometll~ ~ne.· h, ~ fI(:id aoUiorI. Dry "'egenlll~ gllJOO5e n ref\lelltllrtMn 01l.Un'*: edd" lOS"e !or 111.,I,dd 150 malilkl::oslt.nd 150 ma glLUmle ~ 10 clsliled water.m ôlute 10 1 L F'fegeN frwIl 1mmel:I.."Y beloN lIMI. ~ Amrrlof*m r:NoildlllOldlcn: lJls3<We 1.15 Il NH.C11n.blIllt ~ ml. diItiI«t WllIIf, !MIll NIOH 1OIutlDn, n J. dlule to 1 L Solution conI.lrtI 0.3 mg ~ust pH 10 7.2 ~ DIIlli::Wl weteI'; Use dem/l.... aIzed. dislilled, IIp, Of I\IblI'IIIwat_ for ITIIIklng semple dilutions. "N1trtIc:alIon Ir4llblor. Formull2533. HICh Co.. lO'iela'ld. CO, or 1lI"'~ -4. Proudllft •. PrePf/flllM ofrflutbn -'-r.P\M» dl 1 MlIlOkmll 01.,..", 3iI11n. 6IIilItlII boaIl _Ir elldl 01 pI\OIphlite bulfer. UllSO.. ClIC!" .nd FeQ, ~ 01 u de=1bed ln 14<:1. Test cIlutlon ..."'. Il rte:K:i1bert ln 1411 iJO lI'I8t Seed dilution WlI1er, il ct • Ml, of -.1'«1 qulllil)' ~ Il 00'1 Before use blIng rtilUIion . . . . 1Im9I~10 20.!: 3'C. S811Jn11' wîth 00 _. botIle or br llerallrç wlth organlc.free lilIeted • . Meml\Mll)'. 110«1 in /or waler 10 Incl Idd 1 ml.. br $I'Illking ln. PlrIiIII)' fllMl ~~ lDng lIIClUQh bet;u,,,, SBllDIMl 'lritll DO. Protect water qullil)' b)' uMlg delln glas.swlIN, bJbinliI. 'nc1 /). 0illAIi0rt....,.,. .... y . Sourol_er 113IJ ml)' Ile SlOAKl befonl U51U 1ang.5 ~ pœpIllICl dilution ...Ier mee\$ qu.lIy c:orItrol Clil.lrIIln the dilution WIller bIInlt (1 ~. Sud'I stcnoe lT'lIY improye the quIllIy of tome -.rel W1lt1tnl llLC lTIIIy .."". bIologIelll "rowItllO Cluse detefMnIIon ln lIlI'leB. Pi~bIy dO nat , Sten lA ....,-.lllllullon _ _ for monI tIIa'l 2. h .nef tdding ~ mlrMmIls. .nd buff&r unlllss diutlon """. blMks COOIlslentlY meelqutlity control imiII;. Oiseard $toted suœ _ter il diIuIion water bIlInk sI'lOWS more Ih.1'I 0.2 mgIl 00 deplelion ln 5 d. c. Gll.co~ lQd ctre<;Ir: ll~ bVthe PI IStICe oIlOldc1n1s Of by _ torUmlrIMed wtIh ooppet; _ WÎ\ll6\ldl a-- Il'lII BOO lest Is • bIoaslty ilI 1'8....11. ClIn bI irIfIueneed of. pool' IIedIl'lll material. DisIilled - . SMds _ feII\Iwty' lnIctMl. Law ~Itt we'_ ~.re .twlIys .re oblIinId seeâs end ....at... p ~ dleck <IUlon ""'Ir queUty, eeed en.::ii. Il. , end an.1ytICI1 tedwllqlle by mllkll'lll8OD...-nnwu 01'\ a rrilàunI 01150 mg ll~IMM'1....fld 150 mg glutamk; lC:.ldo\. e" ""'ndlrd" ct1edl t:OlUlion. GlllllllSll hIs an exceptionally hlQh.fld vart.bIe œddlltlol'l ntl. llI.t when. Is used INiIh glulamlc acid. u. œdd8llon nII.ls slabllize(J end it .simiIIl" 10 lhSII otllained wtIh l'l'IIny rl'lUrIIciI* W1l5l1S. AIlem8lNePy, •• psr1b.ll.-YA:SlewItef œnt.... III idInCiIIlllH m8jor OClI'\SIllIellllhtl conu1tu.. 1o the aoo. USfl tIK eon'lP)I.IncI ln pleot oIflellluc:oMillUlamlc Kld. oeltrmkle the SolI 2O"C BOO of. 3 cjkJIlon oIlhell~" • "h.tImIc .ckl5llf1d.llni dIedlllllution lI5ing the leC:h1'l~ lMIl'llld ln Ils 4(J.J. AdjuIl ~ flf conwnerdI' rnxwtes 10 QMI 3 no\. lllllCOllll ancl 3 mwt gkümieacidln Nd! GGA .... boille. E'JllIUaIe dIII as ...... ibed ln 10, Predeion and Bies. d. SIl~1g; 1) SMd lIOUl'ee _ . it nec 'Il')' to h.ave pre$Il'l' popcûIlon flf fI"'UOIllIO';SUl' tIPI"" of 0lCillizîng the ~8deble OfQIlIiC:meuer ln !he $ARlple. Dl1meslIt ....estewtter. unc:hlOfWlllled 0l"0lM0.... undbll'lfedld 1f'IluenI, frum bIologk:aIlNaSll trutmenI pltnts, 'nc1 ~ oontIln SlIIIstSdary mlaoblal PGPolIttlon (JlIf eKample, !IOlM popu~. Sorne surT~ 1NllI_ ree.M-og WISl_M. IIlImplee do nol. contIin 1 sul'litlenllftaOOill UI'lIl'Nled ~ INllMII.lieinlll:lld \JrIUles, h1gh-lemperMlJl'e_stes. arWiSIes wtIh eJdmne pH wIllesl. Far -.ch , ... seecll/le dillllion WlIIerar saonple by.cdng. PGPoll8Uol1 01 ~niIms. The prefl8rl'ld MId Is etnuent Of mlIlId Ilquof from a Ilk*IgbIlrNImenI .)'Item ~ l/'Ie _ste. 'MIese suctllIlI«I it nor '~ailebll. use supernat.nI frum domestic .....81....... Ifl. eetdlrQ at room tempel'llUl1l for et Ite$t 1 h but no Io~ !h,n 30 1\. When eII\lerrt Of nitril'lCIdon" lTWId ~fJom' ~"lf1lSlJTIeflllllo.- ' le used, irIlIl*on or rec:ommenôed. Sorne SItIlpIn n-.y COOll.1n rNIle~s not deflraded II: normal rlIIl!S by Ille ITIÎCI'OOfVllnlem5ln MttIed cIomestIe waI_. s.Id sucIl $oimpe wIlh 11'\ ldIIlIed mIcroblal PGPolIation OIll.nId!rom the uncllsinfeded etlllIerrt Of ml:oced Ilquar DI. blcqIcal proc:-.e ll'NIil'llllhe .......... 11'I1IM.1lMncI or suctI. 1«:My, DOlain seed l'rom th. reoeMng _ _ beIuw (jM"""~, 310 a km) Ille point eueh seed 5OlonlI!S eI50 _ tef'IItll'lllll semple cf seIIIed uN 1 soit _pension Of not IV""'*'. d~ elop ln œ~. WI'lIIn IdIplld SIed in the IIbolstoo) by ClInIInucluIly doi."......eINllllf .rw:lldd!ng emeI dilly Il\tlemests cf ....SlI. OIlllonlly IiCIÎIfIIld sIudge, Of a COI'I' ,,1'CiI1 and prepel'lllon 10 oIltaIn the InlIl.el mcroblll PGPollllion. Oe!ei"iÎ1 '" the 1I:lCist&l'lte œ, selisfeaoty popuIlltion b)' lesting Ille per!ormlll'lCe of Ille seed ln 800 .... 01'\ Ille umple. 800 v...... lhIllnc>'u$e fIIftIl tme cf to , steMty hlgh Wllue lndIcate .,.pl.Ition succeuf\ll HIIlldllPllllïon. 2) Seed oonlIOl- Oetiw" .... BOO of \he seedilll maerial as 101' any othet $ample. Tl1Is Is U. SfHId ~. From ua. v",,", of lhe teed c:ontrolend e klla..1 _I~ deI~ Med l:ôM of \he Meding matertlll dlullon On ua. dIulIon DO upteke.lôNItY. melœ dlutlons 01 seed lUth Ih.' Ille I.rgesl q ~ resub ln .1e15l 50'" DO depletiCln. A plol of DO depletion, ln ITIlIgfwns per liler..... l'$IlS mlIIlIeIs 01 seecllor" bolIIel hmng 1 2-mg/l 'lelllllion and Il.lkrQ/l mininun rflIdlill DO lhoUld pl lM 1 Sll'aIghlIlne for wIIIch the lIope indicaI.es DO depIellon pel" millier ol SMd. TIle ~ illelœpt Is axygen depIlIIIon tI\ISoId by the dlküJn waler end shDllId Ile . . . Ih.... 0 1 ~ ft 411). Al,"""""" divlde DO depIetIon by velume 01 $Hel in millilers for Iec/I seed coMrOI bollIe having e 2-4!9'L depletlon end e 1.G-<'r'llII\. reslduel DO.... ~ dle resub lor el bOttleI meeting mirWnU'll depll!t10li end resIdllf,l DO Clleria. The DO upleke alIl!.. • .... lothe seed lIdded 10 eedl bollIe $IlOI*l Ile betl"een 0.11100 1.0 mgIl. lM \he emount of sr:ed lICldlId $IlOI*l Ile edjusted from lhk l'Inge k11t1e118:l11lfed 10 provide gJul:os&.Qlutarnic edd cheell reslAls ln \he l'Inge of let!,j, 3O.S rr9L To dItefmlllll 00 llpllke fol" 1 lest bollle. M.IOIfIe::t 00 trom totel DO updIte (_1 S). TeeI1niques for eddlng seedfrç mateMl te dilution WIler .re desalbed Ior lvfO . . . . <IIWoIl methods uptelte et!1IblltIIbIll 10 the seed ('f .1). e, .sampIe ~ Chedl: pH ol" Hmple, belore lestlng unIeM pll.h lS experlencAt Indtc.lIIU IhM pH If; withln 1IM _ptatH l'Inge. 1) sa'lJlIescon.eirinll ça,at;c eIkeIInIy (pH ~ 1.5) orecdty!PH '" 8.0)' Neulrelize Jamples 10 pH8.S 10 1.5 wiItl • -*'lion of IUlturtc acld (H28Oo) or 5Od1l.m IlylllOldde ~ of lUdI strength 1tIeI\he quentily of retgllIIl doe:$ llOl djlute!he sen1Pe by lTIO!tI thIn O."'. TM pH 01 d~utlon WllIer $hOUId nol Ile etfected by the lowesI umple dlutlon.. ~ seed SIJIlp!el 1tIeI heve been pIoMdfuillld. 2) 8a'nPes oonteIr*lg resldual dllorlne œmpoundI-1f pl 'bill, lV'Olcl ~ lXIMelr*lg ~ dIlorInlI by samplng .hNd ol ctJIclfirl (~1 dellldeble ehlofIlllI rnlduel Il pl pl'" ~Tt. seed 'II. Il' Ille semple htlS beel'I eIlI<lmItecllM no Ihe dikl:1on ",'er,1I resk\uel dlklf'o"is present. oecnlollneto Hmple and MId lM diIllllon WIler(f./). 00 IlOllest ctJlOf1~semplea witIlout lIHding !he dill1110n water. In tome ..""*,, cIlkWlne .... dlsslpaü VI'ltt*ll 10 2 h ol Sianding in 1Ile Iight. ThIl ont" oocurs dl.ring _,.,... tn"'flOllend llendllng. For semples ln wtlIcIl et...... resil:Iual does nol dissll*e in e ree5CMlllb/y short tîme. deltlllY cIllollne resldllal b'J' ecbIng ~ lIOkIlion. Oetetn'ène ~ YOIumt 01 N~ ~Ion Ol'I e 100. 10 10l:l1)..mL porlIoo 01 neulnIlzed semple lIy Mklilg 10 ml.. 011 + 1 - ' c eetd or 1 + 50 H,SO.. 10 ml.. pollsslum locIde (XI) 5OlImon (10 (il00 ml) per 1000 ml.. portion, end ItrMIng wIltI Ne,SQ, solution 10 !he SUidi>lodlne n poirIl for rniduel. Adcllo neutreliHd ~!he rel.-veVOhme 01 ~soIutIon do!t&"iÎIlild by ~ lbovelest, mbl, and e/Ilf 10 10 20 n*l dIlidr. semple lor reslduer dllortne.(NOTE: F" • CIfl8ln Ne~ ""eltS .... 0ll)'Q8f1 dM\II'Id and mets slowIy with orverllç eNol ..,.... toliipounds Illet mly Ile IQ$CInt in chlol1nellld _iipl",) 3) SlImple:s: eortelrq olher IlIllIc substenon· C«1eIn industriel WQtes. forell8lT1Pe. plellng w85tH, oonteln lOIde meteb. SUctI semples olten requirtl IPtcillltudy end 1tUilmtflt. 4) ~ SlJpetSltutllted oMlh 00 - SamPes toIUIning moN Ihan 1 mg DOi L al eneourll-.d ln llDld wMefS or ln ...cetwl'lere phoI~ oocu..... 2O"C rnay be To prnent 1055 or 0X'flIl!'I1 dul1ng lneul*ion 01' such s.amples. reduee 00 10 satul'\I6on" 2O"C II)' brlnging samPie 10 aoout 2O"C in pnaly a.d tIIIlu...m1le 8lI~8tI~ II)' 'ofIgorous sNIUlg .5) S8mpI8lmnpet1ltUflllIdjusIrnerI. BrrQ Of II)' MntifIg wilh de8n,lV1erecl eon1PlU5ed er. _'IPM 10 20 '" l·C before rNIking 61utions. e) NItrWIc:a1lotllnhlbtlon -. nIlrtIIc8lion inhibition it lIalfed iIdd 3 mg 2-e1llclro-6-(\riehloIo metllyl) pyrIdlne (TCMP) 10 eldl3OO-mL boIIllI befOI'\l e.ppng Of iIdd ~ ernomls mlhe 61U1ion ~151 to make a ~I c.onc:el'llratlon 0110 mWL (NOTE. PIA TCMP may dissoMl 5Iowly and cali noal OIlIOP orlha sample. Sorne CGlii""dal fom1ul.IlIorts l;\i&6otve n'lOI'IIl'\Iadlly 1llA . . nollOO'1lo TCMP; acljusl. closaoe fl!JQ\àflI nitriIIcallon ltIh1bl1on lndude, but . . nol hmiled 10, bioIoglcaly truted tiIIuenls, Mm'" .alded wiIh bIoIoglc:.Dly!tulfld 8ftklen\$, anc:t river NoM lhe lIM 01' l'IIlrugan ln/ibilioI'I iI'I reporting ruuha. M:COIdlrVY.) 5am1lle5 thaI m.y waI'"", (0I\tl0tI M$~: Mlk. _rII cIlullons of semple Ihet -..il fil...." ln 1 flI$ldUlil 00 or alleasll/T9'L and. 00 U~. 01 al1eall21'1'O'\.1fter • .5--4lneub8tlol1. fMllliMIonI . . '8ClOi,".... lded UI'IIe:5I IJlpIf!ellCl with • PlIrticUar S8ITlI)le sIlOIWs Ihl! use of • srnaIer number oIl!1ution1 procIuee. al Iell5t Iwo bottin gImg aeœp_ble m1nmum 00 deplellon 8IId res!du81 ....... A lIlIlR rapkl.nlllysls, sucll •• cao, may b8 00lTIl8I1Kl .,pwdl'''eIy oMlh l!IOO and serve. 'lIl1ide ln "'ldl~ dtulIons. In the absence of pI10r knowIellge, use ltIe 1'*""10111 dilulion5: 0.0 10 1.11... for lIlJOng il'ldUSll1l111""'stes, 1 10 5" for IWW 8nd settled ........ ewater,.510 ~~ for bioIogkaly ttPlad aflbanl, end 2S 10100'1l0 for poIUled ItYMtmllB. P1epfIre cHutionI eiIher ln 1Ill1l1ual8Cl eytlndiarS Of lIOlumalr'oc: g\a$SWlIfII, am Iht!n trans1er to l!IOO boftles or prePll'll dii6dl) ln BOO bo«leI. Eilher dlullOIl INUlOll çan be c;ombinld wilh eoy 00 m e ~ lechniq..... l ~ and WIlen Tlle numller 01 bolIIl!:!. 10 be prepared for elCll llNtion llependl OIltlle 00 thll'll.mb8r of l'1IflIlçaln ·d!5111lll U$I"" ~Id cyInde~ or YOlurnelItc: 18Sk$\0 PfePlIfII dlutillnt, and lfIIIleI'I M,(tiolll Il _ l ' l , edd seed eflllerdir8ic:lly 10 dilullon Willer or 10 InllMllual ~rd8rs or l\Is.ks berore dlllllon. 5eedlng 0I1ndiYidu8l ctloideiw or.-u awIda a deciniolg raio ol"Mell aD urJ1lIlI8$1IlauYIg dlutlone 'rI rTlICle. 'MIen dilutions 8r1 prepared dinK::IIy if'I800 boIIleI end when ~Inv b I*'n.ry, aôll seed dlreal)' 10 cliIlAIOn WlI\eI" or dinldly 10 the l!IOO bolIleI. \Mlefl. bolIIe 00Ill81ns Il1OI1Ilhan e~ d Iht! NmPI8 SIller dikI\ion. IlUIrienu m.y b8 1Imit., if'Iltle cliIuIed sample and $Ubsequently leduoe lliologIl;aII actIYIy.1n sudI aemplas. edd tlle nUlI1lnt. Ind bulrer sc*IIIonI ri 38 through al difllQl)' l<I mlnel". Irdri:luel BOO bon/IM al 'l'SiI.e 011 mlA. (0.33 mu 3Ol).mL boille) or lJ5e oommeru.r prepared solutiorls dMigned 10 ÔOiM tIlIappropriale boille slza. 1) 0i1Wor'lll prel*ed Î'lg""." c:yirodeI1i Of vQlOOJelric I\a$k$ - !fIlle azIde modilleallon 01 tha tlJ'rnetric:: iodomettk; .. 18tI1Od (S8dion 4500-0.C) Il uMd. carwtull)' slphon dlution Willer....lled If naœslll')'. inIo e 1- 10 2-\. Il «l, lluk or C)'IFoIter. fil liait ru. wltr'oouI entrWnÎllll8Îr. Add deHed quartlly 01 cal'llf~ miqd Nmple end dilule 10 aP9f'OlXlale Ievel 'IiiltI dlution l'fat«. Mill wei wiltI. plwIgfi-I)'pII1ftoIng rad, iIYOIll8t'llfa1nl~ air. SIphon mîlœd 61ubon lnto Iwo BOO bo"*. Determine Inll\al • 1000 . l, m . 1 r r: sea • 0 d Incubate 10 5 .p on dnutlo rn ,ra nta 0 elearœl~' ,20·C. 1 BOO aœd co tents WIIh sampi ,dnutlo 01' e' te for 5 d at 20·0. th ne OU, dl no bubbTes. For d uUo en uslng . Calcul 1·0 G For uctIlest boille celculela mea"'" Ille 2.o.nv'l ~ DO de'pIetIon .-1 Ille I.D-mgIL reslduel DO, BClOo es lolIows: 'Nhan cIlullon w..... IlOt "I~: 0, • DO Of dlllllld .-npIe lmmedlately llfIlH" prepltetlon, rngIl, D.l- DO cl dlluted ..m~ aner S d lneubatlon el 2O"C, rr9'\-, P - cIeclr'Nl vollM'llellk fnK::l1on Of 5lImpie used, e, - 00 Of seed oon1rol betore Incubllllon, mgA.. (14d), ~. DO cl M«I eottrol eIl~ IneubliltlDn mgA..114dl, eoo , - ratio 01 ued ln dik.ted ~a 10 lelld in ued control- {'At ued in diklled NmPe)/("lt Mad ln &Md """"' '16'I"Id ~. edded dÎlec:tIJ 10 semple «10 ued eontn>l boilles: ,. (Volume cl eMd ln dîIultd NrTll*)/(Yokme cl Mec! in ued COllltOl) AiIpOfl r.-ullS .. CSiOO, If nitriflcetion '_bn _ ~ Inhibhd. umple dlulion l'I'IMIS Ille CIlefla Of a residual 00 Of al 1e15l1 mg/\. end 1 00 Cle9letlol. Of li! leesl: 2 "9'l endltHtte is no ~ Of loxlcity li! ~Ilet $ample c:onoent~« lhe exilIlence Of en otMous enomlIPf, _ age resulls ln the lIDClIlptebIe range. ln Ihfle ceIculeIIons, do IlOt mile UM.edIoi.s for 00 upteke by lhe dIuIIon -œr Ill.nt du~ng Ino.lbelion. TIwe COIftIdlon bi unlMlœssery • dilIAIon _ter meefs!he blInk a'ilelte SlIDUllled aboYa. If!he dllr..tlon wM'" doM IlOt meeI. lhe5e aùIriI, IIIOl)er UM.ections are dil'lk:ult : do IlOt reeonl resulls Of, es a mlnlmum, merIt. \lIem as not meetirQ <pJ&lity conII'CIl eneN. Trlef1l1s no me-m lot esl'bisIlirIg blIs Oft:lltl BOO prooedure Tllt gh- ~ ia g1l1lerrie edd c:ladt PlellQôbed ln 1 4c Is Inlended la be • f1lfeRflDI poInl for lNeluelion cl dUIon WIter qualIty. seed e~, eeld 50hrtlOll eoo ~ ~ teeh.-qu.. B;ngle 1 h_1lory lesb UIinlIe ~ mtud glucose glutllmlc Ille Iobo'Ing Itilllls: NImber cl motlths; 14 Nwnbef clll1pl1c:;ileS: 421 "~1IlOfIltIy .eco.ary. 2lM mgIL pap:7dcl AYet'Ige monill/y tindalll deYI8tion: IO.4/f9\. of ÎIUII18tlOl'IIlSlIldin,' ellCh IlMIImg 2 to 112 lllbOlaloriel (and 85 many ..,alysts and III a _ seed !IOO~, 5-d 800 trlNSIJremenll were lMlle on synlh~ic Wlltr .."pel OOllI"ni'lg 1 1:1 l!'tI4ufe of gIllOOMlnd gloMmle Iâd ln thl104ll concent~ renge of 3.3 10 231 mgJI.. The regresslon eqUlliDnI for mun vllue, X; Ind $laIldard deIIIItion, S, from I r - Sludiel ... ~ x- 0.&.S8 (1dUed lev&\. mw'lJ. 0.280 mgIL S- 0.100 {8dded Ievel, For lIM! ~ milled mwLl • 0.547 mgIL PI1marY 5llIndard. the ....... 5-d 80D WlMl be 198 mgIl with IIlIndIIll dtr.1111oo of 30.5 mg,IL \MIen ~ inhibitDn''' lIMd, GGA ln resuItI fallinog outIide the 188. 30.5 œnllOllnjl qUle oIlen IndJc:lle use of lncomra _!'Its 01 Ille GOA tut 10 Kt1IIMIlMIJb IlIlrG Mllin I/lÎS a. ~ 1I1W$; t1I,.. s.eeo. Adjust IITIOUnt of MId Idl*llo Beeause of IN", laaors Ifredlng 900 lests ln mulIllbolMOly MuClie$1IId I/Ie resuIllng exil" ... variabillty in telIl resulls. 0lIl standard devIItIon, as delll .. iÎiMid by Intll1ootloi'1ltol'y lestS. le I.oonlne..dtd. 1 oontroIlimlI fat lndIvlduIlliobiHllviltts. AlIl1'llliwly, fol' .1dI1lbclrMllC'1, estlbllsh Ils COl'W1llIImltI by petfon'nlng 1 mîntTun 01 25 gI~ut.am;ç acid c:hIcb ('( "c) __ a period of seVItIl we.... or lTICll'Il'-lIId e..... 4l1ing Ule meln Ind slIndard ~on. usa tI'llI meln '" 3 s1andM'll deYtIlIonI IilIllle COI'bOI'" forfUtln lib' ' 1I11Umk: lÔIl dledlI. eœ laboflltory lests ~ e d Ibove Ind 10 1nIl1f1aboiwlOi, 1lMl % 30_5, c:IIlcl.Q1td COl'W1llIIrrils lo the slngIo 00l"Ilnll1L<nl\$ Ire outslôe tfla I1Inge of _",,*e lhe contrul ~ Ind inYeeliO'" -.rel of the probIem. ,,~~ BOO ror. lllucose-glllllmîe Idd eheek Il Olltsbe the ao:epted oonlroI ionII range, rtIjed. tests medlI with lhIl MId .nd dIutlon _el". b. ~ l1IfJQl' and dfJf«;(W)j,ImI:"ThI WOf\.II'lg raI'QIls ecp,IIoIlO Ille dirreilllœ bIt....n the _ m Initill DO (7 10 Il mgIl) and mirlimum DO re5ldual of 1 mgII. ~ by lhe dlution fldor.'" ~ dltlCllon limlI of 2 mgJI. Ii lSlablihld by the ~ll'" ,MIfllIor 1 mîlWl1um DO deplellon of 2 "9'1-. 7.R~n« 1. U.S. EIM_IolEHTAL P ~ N;;.ucf, CIma! 011 Rf.~ _ OEvFt.oPwiNT. 1lllM1. MdllOd by Me\IIod ~Iœ lrom W&ef ~ ('M') l.Ibcntory Pertonnllnel EVllualkln Stldes. Quafty Assuranee ~neh. EnvIrunmenlII Monllomg.nd Suppon Lab.. ClndnMd. OhIo. &. Biblioll~hy YouNO, J.C" G."'. MeOfJlloOl'T" O.~. 1881 ....."Mlons ln 1he BOO P10e1ô1n for Ille 15th Idllion 01 SLandatd Melhods for Ille ExIn'irIatIon 01 Waler and wa!ll.lWIler. J. w.ter PoIuf. Con/n;II Fed 5'1:1253. C6tllndllllliettlClds fortl'lll Enminallon 01 Wller and w.stewIl•• 2OU'I Ed. Amerlean Publc He.1th .t.1IOd'll1on.1>.mIrieIn Will.... WorkI As5oclIlIon, W~ ErMroomenl FIdII1IIÎOfI. plJtlclel •