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7r=V5L <br /> Laboratories Inc. , <br /> Environmental Testing Laboratory Since 1949 <br /> Ground Zero Analysis, Inc. Reported: 04/02/2019 15:06 <br /> 1172 Kansas Avenue Project: Woolsey-Lodi <br /> Modesto,CA 95351 Project Number: 156 <br /> Project Manager: Project Manager <br /> Volatile Organic Analysis (EPA Method 82606) <br /> BCL Sample ID: 1909289-02 Client Sample Name: Woolsey Lodi,MW6R,3/20/2019 1:30:OOPM,Phil Holderness <br /> MB Lab <br /> Constituent Result Units PQL MDL Method Bias Qualls Run# <br /> Benzene 330 ug/L 12 2.1 EPA-8260B ND A01 1 <br /> Ethylbenzene 220 ug/L 2.5 0.49 EPA-8260B ND A01 2 <br /> Methyl t-butyl ether 2500 ug/L 50 11 EPA-8260B ND A01 3 <br /> Toluene 6.9 ug/L 0.50 0.093 EPA-8260B ND 4 <br /> Total Xylenes 35 ug/L 1.0 0.36 EPA-8260B ND 4 <br /> t-Amyl Methyl ether ND ug/L 0.50 0.25 EPA-8260B ND 4 <br /> t-Butyl alcohol 630 ug/L 10 9.4 EPA-8260B ND 4 <br /> Diisopropyl ether ND ug/L 0.50 0.23 EPA-8260B ND 4 <br /> Ethyl t-butyl ether ND ug/L 0.50 0.18 EPA-82608 ND 4 <br /> p-&m-Xylenes 33 ug/L 0.50 0.28 EPA-8260B ND 4 <br /> o-Xylene 1.9 ug/L 0.50 0.082 EPA-8260B ND 4 <br /> Total Purgeable Petroleum 2800 ug/L 250 36 Luft-GC/MS ND A01 2 <br /> Hydrocarbons <br /> 1,2-Dichloroethane-d4(Surrogate) 104 % 75-125 (LCL-UCL) EPA-8260B 1 <br /> 1,2-Dichloroethane-d4(Surrogate) 97.2 % 75-125 (LCL-UCL) EPA-8260B 2 <br /> 1,2-Dichloroethane-d4(Surrogate) 102 % 75-125 (LCL-UCL) EPA-8260B 3 <br /> 1,2-Dichloroethane-d4(Surrogate) 101 % 75-125 (LCL-UCL) EPA-8260B 4 <br /> Toluene-d8(Surrogate) 104 % 80-120 (LCL-UCL) EPA-8260B 1 <br /> Toluene-d8(Surrogate) 102 % 80-120 (LCL-UCL) EPA-8260B 2 <br /> Toluene-d8(Surrogate) 98.8 % 80-120 (LCL-UCL) EPA-8260B 3 <br /> Toluene-d8(Surrogate) 99.2 % 80-120 (LCL-UCL) EPA-8260B 4 <br /> 4-Bromofluorobenzene(Surrogate) 103 % 80-120 (LCL-UCL) EPA-8260B 1 <br /> 4-Bromofluorobenzene(Surrogate) 110 % 80-120 (LCL-UCL) EPA-8260B 2 <br /> 4-Bromofluorobenzene(Surrogate) 108 % 80-120 (LCL-UCL) EPA-8260B 3 <br /> 4-Bromofluorobenzene(Surrogate) 105 % 80-120 (LCL-UCL) EPA-8260B 4 <br /> Run QC <br /> Run# Method Prep Date Date/Time Analyst Instrument Dilution Batch ID <br /> 1 EPA-8260B 03/28/19 08:00 03/29/19 16:25 RCC MS-V14 25 8041595 <br /> 2 EPA-8260B 03/28/19 08:00 03/29/19 18:44 RCC MS-V14 5 B041595 <br /> 3 EPA-8260B 03/28/19 08:00 03/31/19 19:05 RCC MS-V14 100 B041595 <br /> 4 EPA-8260B 03/28/19 08:00 03/29/19 02:50 RCC MS-V14 1 B041595 <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 responsibility for report alteration,separation,detachment or third party interpretation. <br /> Report ID: 1000869861 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.bclabs.com Page 7 of 23 <br />