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IDIMP.— <br /> ................ <br /> In A firiv'! tah" 011�-h irml 6- n(Nnfl"Off "nd 111,111 rrtra4terl by ttrqnq Of Alifl- <br /> hamm,7r. Thn op-ri rndn of thr, ont.1plo hri�r r4re rnVnred wt1h Alorninum foil ar"I <br /> PlAntir, ond copa, Excr-gh nitiminum. foil iq rr�m�)Yod ntid thn vilgo, of the <br /> plootic o.nd cop# ig tightly r-rair,-d ngainat tbo o"trr aurfar-O of tim brZtQ;1 <br /> llnt-r with art unbrokon wrnp mnd,? with a tnpp %ehich hnn lj#,rn fontnfl t,i <br /> thht it dr;-nr; not contlibutfo rompounfli% thnt wutdd bv dot"- .trd In the type of <br /> onalyr.on inttndod for th;! tnmpin conWnod Inikida of the bri.ing tiller. Tile <br /> brana liner .# th(,n Inbolr!d "th tho npproptl4to [dontificntion ntjmb-�ro which <br /> t4rmcify thr� rmnpling nctivitY druf4mition num!mr, P;implp collection Are", <br /> dtipth o1c, that apply to Usat particular o4mplo. Tho oltmple linar It% then <br /> VInred In an 1co chnnt which contnino pre-frorca blockn of fin in"rt fco <br /> aubatituto nuch a Blue Ice or Supnr Ico. <br /> Water uAmplon are cojll-�-,ctrd In any of re.veral opproprIato deviceo nuch on <br /> b4iltrit, C011WOAall. Middloburg wompling pump# etc. which are dvocribqd In <br /> detAll only hu warranted by their omploymcint. at n givon #Ito. Sample liquid <br /> lit decantod Into now "alpto contninern In a manner which rcducati %be loon of <br /> volatile conatituenta and follows the applicable FPA procc-dures for handling <br /> volatile organic and aetzi-volntilo com;4undn. On!y two VArI*t!nnsj from tht'. <br /> EPA onothods are generally amployod. First, preavrvative in added to the <br /> sAmple container prior to tkddltion of tb;r a#mpla liquid. Thipt mrthod wA4 <br /> pioneered by Stioner Labiratortea In 1982 and suboequently sdoptod by <br /> laboratorlem and environmental conatilting firms as o. practical mrs"Is of <br /> reducing the time thnt a liquid lei allowed to aerate prior to orlotturo of the? <br /> gampling container. Second, because tasto havo shown that the pr*Aorvativo <br /> readily mixes with "mple liquid* Claca at-Irring rode are not uAcd to altltotq <br /> the a4mple/preservative mixture. <br /> SAMPLE DMGNATIONS <br /> All riamples containers are idantiflLtd with both tin Activity numt�er and a <br /> discrete &4-mpla identiftcntlon. Plt%me notft thht tho octivity num4e-r Ift thk- <br /> number that apptare on our choln of custody. It lit roughly equivalent to is <br /> Job numbort but Applies only to work done on it particular d,%y of the year <br /> rather than spanning "vetal days as an &ctujil activity often doosk This Is <br /> followed by the sample I.D. number which In usually a; simple number such alt <br /> CHAIN OF CUSTODY <br /> Samples are continuously maintained In either is chilled Ito chest, <br /> refrigerator, or freezer from the 0no of collvction until acceptance by the <br /> State certified Hazardous Motorists Teatinor Lab-oratory selected t.o perform <br /> the Analytical procadurviL It the xa=plea are taken charge of by a differont <br /> pa rty I auc h a a-a noth a r-pe r wan from-ou r,offleq, courfor-etc..)-pnor-t* be-Ing <br /> delivered to the lAborstory, appropriate roleust and acceptance records are <br /> made on the chain at cus"y (time# datt, and alInatur-a of prmn Meaning <br /> the samples follownd by the (ine, dato miad alinsture of the person Atcepting <br /> cuistody of the s3mpltvil. <br /> S.4=pliftjr PAPOrt NOSS-C-2 CHEVRON 1218 Me 10 <br />