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y <br /> oil <br /> Lancaster Laboratories Page 4 of 7 <br /> a whe a1&t *a.u&fl(L_qcoi Summary <br /> Client Name Chevron Products Company Group Number 794632 <br /> Reported 02/06/02 at 08 54 PM <br /> Laboratory Compliance QualjLty Control <br /> -----Blank -- - Blank- - Repart`_LCS`__-LCSD LCS/LCSD --- <br /> Analysis <br /> —Anal sis Name Result MDL finite 1REC %REC Limits RPD RPD Max <br /> Naphthalene N D 2 ug/1 99 9 59=123 1-�__,�30 <br /> —1,,2-3=Trichlosobenzene N` 8 D 1 ug/l 100 97 69-121 3 30 <br /> Acetone N D 6 ug/1 104 104 48-164 n 30 <br /> Carbon Disulfide- N D 1 ug/1 -118 - 119 67-143 1 30 <br /> 2-Butanone N D 3 ug/1 111 112 58-141 0 30 <br /> trans-1,3-Dichlcropropene N D 1 ug/1 97 96 79-120 1 30 <br /> cis-1,3-Dachloropropene N D 1 ug/1 98 98 78-114 1 30 <br /> 4-Methyl-2-pentanone N D 3 ug/1 106 106 _ 63-130 1-- 30 - - - <br /> --2=Hexanone - N p 3 ug/l 103 104 53-141 1 30 <br /> 2-Chloroethyl Vinyl Ether N D 2 ug/l 95 96 49-1-38 1 30 <br /> Freon 113 N D 2 ug/1 107 107 73-139 0 30 <br /> Sample Matrix Quality Control <br /> MS MSD MS/MSD RPD BKG DUP DBP DUP <br /> _ <br /> Analysis Name s $REC 1REC Limits RPD RPD <br /> MAX Conc Cone RPD Max <br /> Batch number 02027A56 Sample number(s) 3764357-3764358,3764360-3764362 <br /> Benzene 112 114 77-131 1 30 <br /> Toluene 110 110 80-128 0 30 <br /> Ethylbenzene 109 109 76-132 1 30 <br /> Total xylenes 110 109 76-132 0 30 <br /> Methyl tert-Butyl Ether 106 109 61-144 2 30 <br /> TPH--GRO - Waters 96 95 74-132 1 20 <br /> Batch number 020261848001 Sample number(s) 3764359 <br /> Cadmium _ _ - — =95_X95——75-125—=O—=20 N.D N=D=-= - 0-(1)=- - 20 - <br /> Chromium 100 100 75-125 0 20 0 0077 0 0085 10 (1) 20 <br /> Lead 98 99 75-125_ 1 20 N A N D � �_ 0_(1)__- 20--. <br /> —Nickel =- =95` --`96T- -83=115 --1 - 20____ 0 ()029 6-0028 18 (1) 20 <br /> Zinc 150* 103 75-125 36* 20 0 0177 0 0154 14 (1) 20 <br /> Batch number 02030112601A Sample number(s) 3764358 <br /> TRPH 418 1 N.D N D 3 (1) 34 <br /> Batch-number -N020291AC Samplenumber(s)3764362 <br /> Methyl t-butyl ether 98 99 69-134 1 30 <br /> Batch number P020201AC Sample number(s) 3764358 <br /> Ethanol 97 100 70-130 3 30 <br /> Methyl t-butyl ether 101 105 69-134 3 30 <br /> di-lsopropyl ether 100 104 68-133 4 30 <br /> Ethyl t-butyl ether 99 104 73-123 5 30 <br /> t-Amyl methyl ether 92 98 69-118 6 30 <br /> t-Butyl alcohol 101 106 51-148 5 30 <br /> Dichlorodifluoromethane 104 100 32-130 4 30 <br /> Chloromethane 100 98 42-125 2 30 <br /> Vinyl Chloride 110 113 54-133 2 30 <br /> Bromomethane 90 79 36-133 14 30 <br /> *-Outside of specification <br /> (1) The result for one or both determinations was less than five times the LOQ <br /> (2) The background result was more than four times the spike added <br /> Lancaster Laboratories Inc <br /> M E M B E R 2425 New Holland Pike <br /> PO Box 12425 <br /> L Lancaster PA 17605 2425 <br /> 717 656 2300 Fax 717 656-2681 2216 Rev 9/11/0() <br />