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Laboratories Inc. <br /> Environmental Testing Laboratory Since 1949 <br /> Horst Associates <br /> Project: NCYC Reported: 09/162009 16:29 <br /> 4630 South Highway 94 North Outer Road Project Number: [none] <br /> Saint Charles,MO 63304 Project Manager. Erin Fanning <br /> Volatile Organic Analysis PA Method 8260) <br /> Quality control Repo - Precision & Accuracy <br /> Control Limits <br /> Source Source Spike Percent Percent <br /> Constituent Batch ID QC SampleType Sample ID Result Result Added Units accivery Lab Quals <br /> Bromodtchlorxxnethane BSIO801 Matrix Spike 0912160-01 0.14850 22.149 25.000 ug1L <br /> 88.0 70. 130 <br /> Matrix Spike Duplicate 0912160-01 0.14850 22.004 25.000 ug/L 0.7 87.4 20 70-130 <br /> 92.5 70-130 <br /> Chlorobenzene BS10801 Matrix Spike 0912160-01 0 23.116 25.000 ug/L <br /> Matrix Spike Duplicate 0912160-01 0 -- 23.799 .__ 25.000 - ug/L 2.9 - 95.2 20 70:130 - <br /> _ 96.4 70-130 <br /> Chloroethane -- BS10801 Matrix Spike 0912160-01 0 24.105 25.000 ug/L <br /> Matrix Spike Duplicate 0912160-01 D 24.289 25.000 ug/L 0.8 97.2 20 70-130 -- -^- <br /> -----.. .. ..... ._. <br /> ---.--.--_-_---- 22.118 25.000 ugtL 88.5 70-130 <br /> 1,4-Dichlorobenzene BS10801 Matrix Spike 0912184-01 0 <br /> Matrix Spice Duplicate 0912160-01 0 22.479 25.000 ug/L 1.8 89.9 20 70-130 <br /> -..._-.......-_ -----..-.-.. _ - 94.4 7D-130 <br /> 1,1-Dichloroethane BS108ol Matrix Spike 0912160-01 0.33990 23.930 25.000 ug/L <br /> Matrix Spike Duplicate 0912160-01 0.33990 24.483 25.000 ug/L 2.3 96.6 20 70-130 - - <br /> ----___.-..--______.-_. ___------------_.._..__-.-__-._.._____..---------------•-----.-..__----.-..__-_ 95.1 70-130 <br /> 1,1-Dichloroethene BS10801 Matrix Spike 0912160-01 0.52660 24.299 25.000 ug/L <br /> 0.52660 24.758 25.000 ug/L 1.9 96.9 20 70-130 <br /> Matrix Spike Duplicate0912160-0i - - -- <br /> - <br /> 25.000.00 _ 70-130 <br /> --- - - 0801 Matrix Spike 0912160-01 0 23.644 ug/L 94.8 <br /> Toluene BS10801 23,800 25.0D0 ug/L 0.6 95.2 20 70-130 <br /> Matrix Spike Duplicate0912160-01 0 ----- -----"' <br /> -_._._-..-_-..�...------- ------ - -.------_-�..- --- �.._._ _ 93.0 70-130 <br /> Trichloroethene BS10801 Matrix Spike 0912160-01 1.1445 24.407 25.000 ug/L <br /> Matrix Spike Duplicate 0912160-01 1.1445 24.290 25.000 ug/L 0.4 92-6 20 70-130- - - <br /> J-.4 <br /> _... _._•-_______-..-._.__.-._...--....�_-_..__.-____....-..-...._.-_-_...-._-._..___--..-__._�_-�.._---- - 93.8 76-114 <br /> 1,2-Dichloroethane-d4(Surrogate) BS10801 Matrix Spike 0912160-01 ND 9.3828 10.000 ugh- 6 76-114 <br /> Matrix Spike Duplicate 0912160-01 ND 9.4561 10.000 ug/ <br /> 1� <br /> 88-110 <br /> Toluene-d8(Surrogate) BS10801 Matrix Spike 0912160-01 ND 10.029 10.000 ug/ 1 88-110 <br /> Matrix Spike Duplicate 0912160-01 ND 9.9145 10.000 ug/L <br /> ..._...... <br /> _-_. <br /> 86-115 <br /> 4-Bromotluorobenzene(Surrogate) BS10801 Matrix Spike 0912160-01 ND 9.6527 10.000 ug/L 96:5 86-115 <br /> Matra Spike Duplicate 0912160-01 ND 9.6522 10.000 ug/L -_-_ <br /> The results in this report apply to the samples analyzed in accordance with the chain of custody document.This analytical report must be reproduced in its entirety. <br /> All results listed in this report are for the exclusive use of the submitting party- BC Laboratories,Inc.assumes no responsbility for report a}teration,separation,detachment or third p v interpretation. page 32 of 40 <br /> 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.bclabs.com <br /> Certifications: California-ELAP Certification Number 1186; Nevada Administrative Code-NAC-445A <br />