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11virnin&IlLien .MdrInt f ourth (1uint r 199'{ GIOnndU stc.r Mont toring <br /> FFchruary 7 1999 <br /> Pare 7 <br /> tolICLILd »itlf a 1 Lflon dipping cup and lranslerrLd to two 40-milliliter glass vials fitted with I eflon-lined caps <br /> SurtaLe ,%Atet -,amplLs DDS (drainagL ditch south) and DDN (drainage ditch north) were collected approxlmatLly <br /> five ILLI and 100 tett north of }-tght MILL Road respeLtively Surface water samples IDCW (island drainage <br /> LhannLI wL,t) and IDC F (island drainage channel cast) mere Lollected from the westLrn terminus of the island <br /> dramagL LhannLl and approximately 100 feet ca,t of the LonfluLnLL of the drainage ditch and thi- i land drainage <br /> LhannLI respLLttvLly (refer to I igurc 5) EaLh ,anlple Lontainer was labLled and placed In a Looter Lh111Ld with <br /> ILL and dt-h�Lred undLr chaln-01-Lu,tody pmLLdures to (jeoAnal)-tical 1 aboratorles Inc In ModL,to, C aldornta <br /> Iwithin 24 hour~ of sample L0l1LLtI0n Results of the laboratory analyses are di,cu-,sed 1n Sectuon 1 3 <br /> 4.2 LABORATORY ANALYTICAL. METHODOLOGY <br /> The laboratorN analytical mLthods for the surface Nkater ,ample-, LalleLted on DecLmber 30, 1998, are <br /> summarized in I.tb]L a <br /> I TABLE 4 <br /> Laboratory Analytical Mc thods <br /> Analytes <br /> (rasolme <br /> 13 I L X TPH-C, Oxygenates/Additives <br /> "--6-02 — - <br /> Analvttcal MLlhods 5030/1 Uf T 8260 <br /> DLILClion i emits 0 3 }tg1L (13Tr) 0 05 mg/l, 1 0 µg/1 <br /> 0 6 Ng/I (X) 10 0 µg11, (tort Butanol) <br /> N 13 I F X bt n7(-nL tolm m. Lth)l bLn.LnL and total x)ILnes <br /> I PIM 7 loch pdroILttm hN droLjrbonr qu inlitiLd ati&,1WIML <br /> (I.�SofInt-OergLnaIL,,/Addtit�,t5—moth�I ILrttary hut}I cthLr(M 1 131-) cth Incl tLrtfary-butanol <br /> dt-isoprop)I LihLr(I)IPI ) Lth)I ILrtIdty-but)I LthLr(I I til )and tLrttary amyl MLth)I LthLr(TA MI ) <br /> I4.3 LABORATORY ANALYTI AL RESULTS <br /> None of the analytes of interest were detected at or above the laboratory reported detection limits in any of the <br /> surface water sarnples, with the exception of M"1 BI~ MTBE was detLcted in the surface water samples collected <br /> from the drainage ditch (samples DDN and DDS) at concentrations of 1 4 and 1 0 pg/l, respectively A summary <br /> of laboratory analytical results of the surface water samples is presented below In Table 5 and in l-igure 5, <br /> Appendix A <br /> I TABLE 5 <br /> Laboratory Analytical Results of Surface Water Samples <br /> Sample I D Analytes <br /> BTEX TP1I-G Gasoline Oxygenates/Additives <br /> DDN ND ND 1 4 (MTBE) <br /> DDS ND ND 1 0 (MTBE) <br /> IID 'E ND ND ND <br /> IDCW ND ND ND <br /> All LonCt-ntrations are to µg/l LxcLpt l PII-(j which 15 in mg/1 <br /> BTI-X hen/LnL toluene ethyl henzLnL and xylenL <br /> rmi-(, total pt troleum hydrocarbon quantified as gasoline, <br /> ND -non(,dLtLLtLd at or above laboratory reported detection limit <br /> (FaWlmL Oxygen at(-gAdditives=mLthyl tertiary butyl ethLr(MTBI-) Lthanol tLrttary-butanol <br /> di-ropropyl ohLr(1)IPr) (-thyl t+rtiar)-but)I Lther(I-TBI-) and tertiary amyl mLth)I ether('[ANLL-) <br /> IIL It CONDOR <br />