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12/04/91 13: 12 $415 822 5290 PRECISION LAB •-- INT' L TECHNOLOGY ( J005 <br /> i <br /> I <br /> Precision Analytical Laboratory, Inc. <br /> d 136 LAKESIDE DRIVE, RICHMOND, CA 94806 PHONE (5 101 222-3002 FAX (5 10) 222-1251 <br /> STATE LICENSE NO. E 750 II. <br /> Received: 11/27/91 <br /> Reported: 12/04/91 <br /> Job # : 73059 <br /> Attn: Sydney Mills <br /> Z.T. corporation <br /> Project: B. P. - March Lane <br /> Matrix: Soil <br /> ACID & BASE/NEUTRAL EXTRACTABLES <br /> EPA Method 8270 - Low Level <br /> mg/Kg <br /> Lab ID: 73059-5 <br /> Client ID• 112691SS5 <br /> LIMIT <br /> BASEINEUTRAL C MPOUN CONC NTRA ON OF DETESTION <br /> N-nitrosodi-n-propylamine ND<0. 10 0. 10 <br /> Hexachloroethane ND<0. 50 0 . 50 <br /> Nitrobenzene ND<0. 06 0. 06 <br /> Isophorone ND<0. 09 0. 09 <br /> Bis-(2-chloroethoxy)methane ND<0. 10 0 . 10 <br /> 1, 2, 4-trichlorobenzene ND<0. 30 0. 30 <br /> Naphthalene ND<O. 20 0. 20 <br /> Hexachlorobutadiene ND<0. 50 0. 50 <br /> 2-chloronaphthalene ND<0.05 0.05 <br /> 2-methyl naphthalene ND<0. 20 0 . 20 <br /> 1 4-chloroaniline ND<0. 10 0. 10 <br /> 2-nitroaniline ND<0. 10 0. 10 <br /> 3-nitroaniline ND<0. 10 0. 10 <br /> 4-nitroaniline ND<0. 10 0. 10 <br /> Hexachlorocyclopentadiene ND<0. 20 0. 20 <br /> Dimethyl phthalate ND<0.04 0. 04 <br /> Acenaphthylene ND<0 . 04 0. 04 <br /> Acenaphthene ND<0. 04 0. 04 <br /> 2 ,4-dinitrotoluens ND<0. 10 0. 10 <br /> 2, 6-dinitrotoluene ND<0. 06 0 . 06 <br /> Diethyl phthalate ND<0. 10 0. 10 <br /> 4-chlorophenylphenylether ND<0. 05 0. 05 <br /> Fluorene ND<0 . 20 0. 20 <br /> N-nitrosodiphenylamine ND<0.09 0. 09 <br /> 4-bromophenylphenylether ND<0. 07 0. 07 <br /> Hexachlorobenzene ND<0. 20 0. 20 <br /> ND = Not detected at or above limit of detection. <br /> Page 2 of 3 <br /> ' OUTSTANDING QUALITY AND SERVICE <br /> CALIFORNIA STATE CERTIFIED LABORATORY <br />