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Lancaster <br /> Laboratories Analysis Report <br /> 2425 New Holland Pike,PO Box 12425,Lancaster,PA 17605-2425•717-656-2300 Fax:717-656-2681•www.lancasterlabs.com <br /> Page 2 of 3 <br /> Sample Description: FosterWell-1-W-091118 Grab Water LLI Sample # WW 5842644 <br /> Mountain House #6 SAIC LLI Group # 1171842 <br /> Mountain House #6-Tracy,CA NA FosterWell-1 CA <br /> Project Name: Mountain House Development <br /> Collected: 11/18/2009 09:10 by LH Account Number: 11413 <br /> Submitted: 11/19/2009 09:00 Chevron Environmental Mgmt Cc <br /> Reported: 12/07/2009 at 08:17 6111 Bollinger Canyon Road <br /> Discard: 01/07/2010 BR1Y/3484 <br /> San Ramon CA 94583 <br /> FOS18 SDG#: OVW70-01 <br /> As Received <br /> CAT As Received Dilution <br /> Analysis Name CAS Number Program <br /> No. y Result RL Factor <br /> Wet Chemistry EPA 300.0 ug/l ug/l <br /> 01506 Nitrite Nitrogen 14797-65-0 N.D. 400 5 <br /> 00228 Sulfate 14808-79-8 713,000 60,000 200 <br /> EPA 351.2 ug/1 ug/1 <br /> 00217 Kjeldahl Nitrogen n.a. N.D. 500 1 <br /> EPA 365.1 ug/1 ug/1 <br /> 00345 Total Phosphorus as PO4 water 14265-44-2 N.D. 250 1 <br /> SM20 2320 B ug/1 as CaCO3 ug/l as CaCO3 <br /> 00202 Alkalinity to pH 4.5 n.a. 185,000 460 1 <br /> 00201 Alkalinity to pH 8.3 n.a. N.D. 460 1 <br /> 01454 Bicarbonate Alkalinity n.a. 185,000 460 1 <br /> 01455 Carbonate Alkalinity n.a. N.D. 460 1 <br /> SM20 2510 B umhos/cm umhos/cm <br /> 00280 Specific Conductance n.a. 3,570 1.7 1 <br /> SM20 2540 C ug/1 ug/l <br /> 00212 Total Dissolved Solids n.a. 2,400,000 77,600 1 <br /> SM20 4500NH3 B/C ug/1 ug/l <br /> modified <br /> 00221 Ammonia Nitrogen 7664-41-7 N.D. 200 1 <br /> General Sample Comments <br /> State of California Lab Certification No. 2501 <br /> This sample was field filtered for dissolved metals and hardness. <br /> The bottle for TKN, TP and NH3 was preserved in the lab with H2SO4. <br /> All QC is compliant unless otherwise noted. Please refer to the Quality <br /> Control Summary for overall QC performance data and associated samples. <br /> Laboratory Sample Analysis Record <br /> CAT Analysis Name Method Trial# Batch# Analysis Analyst Dilution <br /> No. Date and Time Factor <br /> 02898 BTEX by 25 ml purge 8260B SW-846 8260B 25mL 1 G093281AA 11/24/2009 13:10 Jason M Long 1 <br /> purge <br /> 01163 GC/MS VOA Water Prep SW-846 5030B 1 G093281AA 11/24/2009 13:10 Jason M Long 1 <br /> 06570 PAHs in Water by LVI GC/MS SW-846 8270C LVI 1 09324WABO26 11/24/2009 17:41 Timothy J Trees 1 <br /> 00813 BNA Water Extraction SW-846 3510C 1 09324WABO26 11/20/2009 10:35 Olivia Arosemena 1 <br /> 06912 TPH-DRO water C10-C25 SW-846 8015B 1 093230023A 11/20/2009 14:35 Diane V Do 1 <br /> #=Laboratory MethodDetection Limit exceeded target detection limit <br /> N.D.=Not detected at or above the Reporting Limit <br />