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12065 Lebanon Rd. <br />Mt. Juliet, TN 37122 <br />(615) 758 -5858 <br />40ESC 1 -800- 767 -5859 <br />Fax (615) 758 -5859 <br />L•A,8 S•C•I•E- N•C�E-S <br />Tax I.D. 62- 0819289 <br />Est. 1970 <br />Molen & Associates, LLC <br />Mark Molen <br />2090 East 109th Avenue Suite #205 Quality Assurance Report <br />Level II <br />Thornton, CO 80223 May 02, 2012 <br />L571648 <br />nalvte Units Known Val Result ' Rec Limit Batch <br />Page 17 of 23 <br />9816 <br />Arsenic <br />mg /l <br />.0567 <br />0.0564 <br />99.5 <br />85 <br />-115 <br />WG589816 <br />Beryllium <br />mg /l <br />.0567 <br />0.0534 <br />94.2 <br />85 <br />-115 <br />WGSB9816 <br />9816 <br />Copper <br />mg /l <br />.0567 <br />0.0578 <br />102. <br />85 <br />-115 <br />WG589816 <br />Lead <br />mg /l <br />.0567 <br />0.0562 <br />99.1 <br />85 <br />-115 <br />WG589816 <br />_ <br />9816 <br />Thallium <br />mg /l <br />.0567 <br />0.0555 <br />97.9 <br />85 <br />-115 <br />WG589816 <br />Zinc <br />mg /l <br />.0567 <br />0.0602 <br />106. <br />85 <br />-115 <br />WG589816 <br />Barium <br />mg /l <br />1.13 <br />1.18 <br />104. <br />85 <br />-115 <br />WG589680 <br />Calcium <br />mg /l <br />11.3 <br />11.7 <br />104. <br />85 <br />-115 <br />WG589680 <br />9680 <br />Cobalt <br />mg /l <br />1.13 <br />1.16 <br />103. <br />85 <br />-115 <br />WG589680 <br />Magnesium_ _ <br />mg /1 <br />11.3 <br />11.8 <br />104. _ <br />85 <br />-115 _ <br />WG5896B0 <br />9680 <br />Potassium <br />mg /1 <br />11.3 <br />12.0 <br />106. <br />85 <br />-115 <br />WG589680 <br />Silver <br />mg /l <br />1.13 <br />1.18 <br />104. <br />95 <br />-115 <br />WG569680 <br />9E80 <br />Vanadium <br />mg /l <br />1.13 <br />1.16 <br />103. <br />85 <br />-115 <br />WG589680 <br />Analyte <br />Units <br />Pesult <br />Ref <br />'Rec <br />Limit <br />RPD <br />Limit <br />Batch <br />- <br />- - <br />- - <br />-- <br />- - <br />-- <br />- <br />- <br />- - - 9579 <br />1,1,1- Trichlcrcethane <br />mg /1 <br />0.222 <br />0.0_106 <br />89.0 <br />71 -126 <br />7.74 <br />30 <br />WG589579 <br />1,1,2,2- Tetrachloroethane <br />mg /1 <br />- <br />0.0200 <br />0.0195 <br />80.0 <br />-- <br />78 -130 <br />-- - <br />2.60 <br />-- <br />^_0 <br />-- - <br />WG589579 <br />- <br />- - <br />- - <br />- <br />-- <br />-- -- <br />- - - <br />9579 <br />1,1- Dichlcroethane <br />mg /1 <br />0.0225 <br />0.0213 <br />90.0 <br />73 -123 <br />5.63 <br />20 <br />WG589579 <br />1,1- Dichloroethene <br />mg /l <br />0.0230 <br />0.0211 <br />- - <br />92.0 <br />- <br />54 -134 <br />- <br />8.57 <br />20 <br />WG589579 <br />- <br />-_ - <br />9579 <br />1,2- Dichlorobenzene <br />mg /l <br />_ <br />0.0 221 <br />0.0210 <br />_ <br />88.0 <br />82 -121 <br />4.99 <br />20 <br />_ <br />WG589579 <br />1,_'- Dichloroethane <br />mg /l <br />0.0214 <br />0.0208 <br />86.0 <br />69 -128 <br />3.21 <br />20 <br />WG589579 <br />- <br />- <br />-- <br />- - <br />9579 <br />1,4- Dichlorobenzene <br />mg /l <br />0.0224 <br />0.0209 <br />90.0 <br />79 -117 <br />7.19 <br />20 <br />WG589579 <br />2- Butanone (MEK) <br />mg /l <br />0.123 <br />0.117 <br />98.0 <br />58 -144 <br />4.86 <br />20 <br />WG589579 <br />9579 <br />4- Methyl -2- pentanone (MIBK) <br />mg /l <br />0.102 <br />0.10_1 <br />8_ 1.0 <br />58 -147 <br />0.380 <br />20 <br />WG589579 <br />Acetone <br />mg /l <br />0.148 <br />0.141 <br />118. <br />49 -153 <br />4.90 <br />21 <br />WG589579 <br />- <br />9579 <br />Benzene <br />mg /1 <br />0.023 <br />0.0212 <br />89.0 <br />72-119 <br />5.13 <br />20 <br />WG589579 <br />Bromochloromethane <br />mg /l <br />0.0226 <br />0.0223 <br />90.0 <br />79 -124 <br />1.27 <br />20 <br />WG589579 <br />9579 <br />Bromoform <br />mg /l <br />0.0214 <br />0.0215 <br />85.0 <br />61 -136 <br />0.460 <br />20 <br />WG589579 <br />Bromomethane <br />mg /l <br />0.0238 <br />0.0229 <br />95.0 <br />42 -172 <br />3.89_ <br />20 <br />WG589579 <br />9579 <br />Carbon tetrachloride <br />mg /1 <br />0.022 <br />0.0202 <br />90.0 <br />63 -129 <br />10.7 <br />20 <br />WG589579 <br />Chlorobencene <br />mg /l <br />0.0230 <br />0.0212 <br />9 2.0 <br />78 -123 <br />7.84 <br />20 <br />WG589579 <br />9579 <br />Chloroethane <br />mg /l <br />0.0261 <br />0.0245 <br />104. <br />52-164 <br />6.51 <br />20 <br />WG589579 <br />Chloroform <br />mg /l <br />0.0 ^23 <br />0.0211 <br />89.0 <br />76 -122 <br />5.66 <br />20 <br />WG589579 <br />9579 <br />cis- 1,2- Dichloroethene <br />mg /l <br />0.0 ^_26 <br />0.0214 <br />90.0 <br />75 -121 <br />5.23 <br />20 <br />WG589579 <br />cis- 1,3- Dichloropropene <br />mg /l <br />0.0219 <br />0.0208 <br />88.0 <br />74 -124 <br />4.91 <br />20 <br />WG589579 <br />9579 <br />Ethylbenzene <br />mg /l <br />0.0230 <br />0.0213 <br />92.0 <br />77 -124 <br />7.85 <br />20 <br />WG589579 <br />Iodomethane <br />mg /l <br />0.1 26 <br />0.116 <br />101. <br />54 -139 <br />8.44 <br />20 <br />WG589579 <br />9579 <br />* Performance of this Analyte <br />is outside <br />of established <br />criteria. <br />For additional information, <br />please see <br />Attachment A 'List of <br />Analytes <br />with QC Qualifiers.' <br />Page 17 of 23 <br />