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<br />OF. 209 LA F D R AT D R
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<br />_ =: ',;. .r _ ':. '. _ t.:• _ November i61 T
<br />00 _
<br />A= STOCKTON, CALIF. 95205. - i !.
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<br />erner .
<br />:�.•; .. _ ,r � ••,;• :. ___ •' "�^'�-
<br />_ 1 Well 10-E, 10-22-90,.1006 hrs
<br />7 _ hector �ivii _nbineering s._:.'�.;; :.-er_; __ ;�;.:- _ a.-s�,-.•�•:�..;..: _._.• -' _
<br />anv _ 2. J, 10-22-80 ".1024- hrs_' `�
<br />Libbey-Ot:ens-=ord Coro ” well 10 _ -- -• :'•-'-'
<br />liu Las '� ''�' ''3, Well 10• is 10-22-80, •1037 hrs.
<br />-: Tolelio ' Ohio ' 43605 :: _ _ - . _-,:'. ', !'•L•. 1 �,'.1 - - ti r_ �.•-
<br />j' 10-22780,--.10110 hrs:
<br />•:� _ +'',"` ' `�~J •', -• •' ,' -• L)
<br />OF AYSAMPLE OR SAMPLES .>>
<br />TS RECEIVED FRCM'Y'JI:_SY
<br />ANALYSIS
<br />THIS'
<br />FDLLC\vINCARE THE RESJLF A < ,..- ,:, _ - ', - _ ; • ;i .
<br />LAS^RATCRY:_ s - - , _ r:'�' "• r -EO
<br />. '
<br />10-32
<br />REEtvED
<br />- ._ •.. ;-,hater C
<br />_ NAME cF MATERIAL
<br />` For the analysis of chlorinated hydrocarbons the water samples were extracted :•-
<br />�re^eared partitioning with 15% dichloromethane in hexane These extracts were cleaned-,---) -:__•_
<br />tion was by CLC using an electron capture deter:ar'_
<br />through act::ated Florisil. Final deter _
<br />duce for herbicides and pentachloroahenol was~token fre,_
<br />:
<br />The anal; tical proce . - '; �.-
<br />C•2nd:rd Methods for the Examination•of'Water and Wastetiater, 14th Edition. `The extrac_
<br />vas hvdroiyaed to include esters of the herbicides in the analysis. -' Follo\:iag acid-base
<br />_. rz:t:ttonins, the extract was tzeated with diazohexane to for the hexyl ester of the:�.
<br />s and the•hextr ether of pentachlorophenol Final-detection was by GLC
<br />vnricu: herbici6e _ _ - '. -_-_ - ..
<br />using 17
<br />an electron capture detector.: e_ _ ~•' - - .�_�-° :
<br />The `analytical procedure for DEC? (1,2-dibromo-3-chloropropane) involved extract-
<br />ir.b the sample with distilled isooctane- -.The resulting extract of iso-octane was exa=:ned._
<br />by CLC usir.b an electron capture detector and a:3� OV 1/Chromosorb W colurz.'
<br />,, Result s^'j -. ...... ... - ..:r -• _ '.: - _ .�,
<br />nd none detecte — '
<br />hicroera:s Der Liter pent"
<br />^�enyi
<br />Evdrocarbons - '`- Her`tic�des - chlcr._
<br />Chlorinated - . -
<br />• Polychlorinated - ::: -'`•� :. _
<br />BiDhen• is Pesticidal DBCP -PDT
<br />l
<br />nd
<br />nd nd ,. nd nd
<br />d nd nd nd _ • ' nd
<br />2. n
<br />3• t •: nd :.. nd ;.. nd nd nd
<br />4. nd
<br />nd nd nd z'~ _ nd
<br />Any of -the following compounds would have been detected had it been at or above
<br />•.
<br />its limit of detection, given below in parentheses as•micrograr:s per liter (us/1)•"
<br />_ _ (0.05)
<br />Chlorinat%a 1,.,aro.arhnns heptachlor _ •.:' .. (O.CS)
<br />aldrin (0.05) eptachlor epoxide _ (0,05) :
<br />2iC icoaers (0.05) iexac or enzene - s, 1 (0.10)
<br />or anc (0.10) ethox chlor '"• (0.05).
<br />-II✓T` (0.05) C;
<br />
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