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<br />•t <br />A f . C <br />' a <br />3.~ Aeunoe of fNtration <br />~ 3.t Ganawl pracdu <br />h u normal ptatttoa to 11har apwow umpl.. ttuough .0.46 mlaott tAtar N the amotrte of a <br />spaowa M a0lutlon u balnq datamdMd. Shit praadura etAll eta ntnow of^y afu pordolu <br />and oolldda Iw than O.a6 ntieran kt dlartNtat. <br />Howawr, if the 'toUl' amount d a apaoNa is raqulrad, Vta ample N not fUnnd. Thla <br />praoeol la pndlGad on the het that the 4olida In tM umoM an nktivaly amaN and due <br />panicu4ta mater not dlsadwd wam the uinpb la pruarwd daa not aMatt the atutydcat <br />matnOd for tM apaobc balnp daurmin4d. <br />3.3.2 Lyalmaur l.9 ample <br />The lyalmatar aamplea collected from l3 wan not flturod, pnaunubly on the baaia that <br />'tonl•, tout erinlde waa m ba datarmirnd en the umpln, M has bwn Hood M uetlon <br />3.1 and 3.2, the lyalmatar umplw wIN Ululy carry ralativafy hlphar amourtn of paNeuNte <br />matter ineludlnq day alto m^tarlal and coadda, daa to ehalr amaN volume than would <br />normally ba as~arud In a one Nva aquaoua umpb toltactad Sot Mnlda anahnia. Non <br />flltratlon of the Ivdmatar aamplaa will moan that than li an enhanced potantfal ter <br />IntaAaranea In tM autoanalyasr analytlul mathotl as compared wlth normal aqueous <br />ample. <br />3.4 AMlylical mathpd fOr totd ryanltla <br />3.4.1 AVtOaMrypr method for total cy^nlda <br />The eutaanalyaar method for total tyanlda, (U6EPA Method 8012 ! APHA-AtyWA Standard <br />Method, Method 33b.3 involvaa dapradetlon of cyanide eompleaet In ph0aphorlo acld and <br />UV light antl me^sunmant of the rewltinp cyanl0^ compte^ with pyrltlln^ and berblturk acld <br />toburimavlully at bB00 ^naevc-.c. The Iawer t!mk for detection of evsnlde, ibut not <br />qusntiflutfonl, under Ideal soluucn ccndhiou Ir jinn as 0.005 mpfu wl•,h ^ aenaltivlN of <br />0.01 mp/L. Th^ mnhod reauin only i mlt o1 umcl^ o.r c^:uminedo~, <br />Tae metn00 It subject to inbrierenu ty thlocy.n^t^s, sulpnldes or ncuatl wlphur epacles <br />whitlh aNaCt the COlourlm^try, particulBtee (Int:ludine bollotdsl in M^ eamDla which CYUK <br />light acanarlnp In the Dhotomatry, and Ionic ^venpth of tna sample matrix which wn give <br />matrlr< Inurlaranca to the phomm^iry Ii not match^d rornctly with th^ ^tantlarde uc^d for <br />callDrattdn. <br />