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1 <br />1 <br />CORE LABORATORIES <br />' D UAL I T Y C O N T R O L R E S U L T S <br />Job Number: 971377 Date: 06/30/97 <br />' CUSTOMER: Greystone PROJECT: LOSTILLA CO LANDFILL ATTN: Niek Mathis <br />OC Type Description Reag. Code Lab ID Dilution Factor Date Time <br />~l LCD I Laboratory Control Semple Duplicate I 89703198 I I 106/07/97 0259 <br />Parameter/Test Description DL Result DC Result Rep. Limit True Value Orig. Value Calc. Result Units F <br />,Pyrene 105.81 100.57 10 100.1 105.7 X REC <br /> 5.1 RPD <br />' 1, Z,4-Trichlorobenzene 73.38 66.53 10 100.0 73.4 X REC <br /> 9.8 RPD <br />t4-Lhloro-3-npth l <br />y phenol 87.26 86.48 10 99.99 87.3 X REC <br /> 0.9 RPD <br />2-Lhlorophenol 82.22 69.74 10 99.93 82.3 X REC <br /> 16.4 RPD <br />4-Nitrophenol 33.52 33.83 50 99.90 33.6 X REC <br /> 0.9 RPD <br />Pentachlorophenol 82.97 82.56 50 99.89 83.1 X REC <br /> <br />'Phenol <br />36.80 <br />30.99 <br />10 <br />99.87 0.5 <br />36.8 RPD <br />X REC <br /> 17.1 RPD <br /> <br />Test Method........: EPA bOB Batch........: 22432 Analyst ...: smc <br />Method Description.: Pesticides/PCBs (Organochlorine) Units........: ug/L <br />' NB Method Blank 2936 06/06/97 2316 <br />Parameter/Test Description OC Result OC Result Rep. Limit True Value Orig. Value Calc. Result Units F <br />Aldrin ND 0.004 <br />i ,alpha-BHC ND 0.003 <br />beta-BHC ND O.OD6 <br />delta-BHC ND 0.009 <br />gamma-BXC (Lindane) ND 0.004 <br />'Chlordane ND 0.014 <br />4,4'-DDD ND 0.011 <br />4,4'-DDE ND 0.004 <br />4,4'-007 ND 0.012 <br />D ieldrin ND 0.002 <br />Endosutfan 1 ND 0.014 <br />Endosulfan II ND 0.004 <br />Endosulfan sulfate ND 0.066 <br />Endrin ND 0.006 <br />'Endrin aldehyde ND 0.023 <br />Xeptathlor ND 0.003 <br />Heptachlor epoxide ND 0.083 <br />Toxaphene ND 0.24 <br />' <br /> LCS Laboratory Control SanQle 0970423A D.O1 06)06/97 2345 <br />Parameter/Test Description OC Result OC Result Rep, Limit True Value Orig. Value Celc. Result Units F <br />'Aldrin 14.74 0.004 12.38000 119.1 X REC <br />gamre-BHC (L indane) 13.50 0.004 12.42000 108.7 X REC <br />4,4'-DDT 32.13 0.012 25.08000 128.1 X REC <br />~Diel drin 25.63 0.002 25.09000 102.2 X REC <br />Page 32 <br /> <br /> <br /> <br />