ARCHIVED REPORTS_HUMAN HEALTH SCREENING SUPPORTING DOCUMENTS

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SB-42 Soil SB-20 Soil 3/5/2009 5 ft 29.5 ft GW 8/12/2008 5 ft 27.5 ft 40 ft GW SBA Soil GW TPHc ND 4.5 --- TPHc ND 6,000 1,700 SB-35 Soil GW 8/11/2008 5 ft 40.5 ft 59.5 ft TPHd --- --- 110 Benzo(a)anthracene ND 0.21 0.027 SB-19 SoilGW 11/24/2008 5 ft 41.5 ft TPHc ND 2,500 ND Benzo(a)pyrene ND ND 0.011 Benzo(a)pyrene ND 0.22 0.033 NS due 8/12/2008 5 ft 37 ft TPHc 5.4 6.7 --- TPHd - --- 1,200 SB-36 Soil GW Dibenz a,h anthracene ND ND 0.0089 rAll nzo b fluoranthene ND 0.42 0.063 to SPH TPHc ND ND TPHd - ND Benzo(a)anthracene ND 0.014 ND ND 11/24/2008 5 ft 38 ft Na thalene ND 0.00072 0.15 enz a,h anthracene ND 0.057 ND TPHd --- --- 260 Naphthalene ND 0.00082 0.17 Benzo(a)pyrene IN 0.019 ND ND TPHc 4.0 ND --- All other analytes ND/NE ND/NE ND/NE otheranalytes ND/NE ND/NE ND/NE All other analytes ND/NE ND/NE ND/NE All other analytes ND/NE ND/NE ND/NE I All other analytes ND/NF ND/NE ND/NE ND/NE TPHd --- --- ND SB-15 All other analytes ND/NE ND/NE ND/NE ti MW-5 0 SB-42 �� SBc19 �'---- � ----------------------------------------------- S13- SB-29 F ti \ SB-35 SB-29 SOI( 11/20/2008 5 ft 27 ft GW - - - - ° TPHc ND 26,000 --- �� GMX-7 TPHd --- --- 74,000 SB-13 SB 14 Anthracene 0.00035 2.9 2.7 • • • \ Gm -it Benzo(a)anthracene 0.0011 0.36 1.2 • GMX-6 S -36 •'former.pump island Benzo(a)pyrene 0.00075 0.1 ND Benzo b fluoranthene 0.0013 0.27 1.3 - - - ---------------- Benzo(g,h,i)perylene ND 0.11 0.58 AYea HIGHWAY 33 Ch sene 0.001 0.9 5.4 Dibenz a,h anthracene ND 0.044 0.32 SB-17 Eth (benzene ND 0.77 ND GMX-12 GMX=11 Fluorene ND 7.1 28 SB 22 _ • - - • • - Naphthalene 0.00077 3.2 14 o� - - - - - Area 2 - Area 1 Phenanthrene 0.0013 13 45 Pyrene 0.0017 0.84 3.4 All other analytes ND/NE ND/NE ND/NE SSB-26 GMX=2 S_8 B-6 HB-5B=3�. SBs21 , •� �_� • \ • 6-5 CPT=3 S 6,• • CP�2\ Myy,3 SB;20 SB= SB-§7_.=::: RB-4, RB-1 • • ••��•• • - - - - - �_�� -------------------- - - - - - - - - - - - - - - k • �� GMX-113MW-1 SB-3 %*! � �• S-5 SB-37 SOI( �•�s 4�- - GW 11/20/2008 • R6;2 - - - _ 11/20/2008 42 ft N '+12B-6 - - - _ _ _ �l> TPHc ND a •�'.,�• RB-3 SB-34 ��O TPHd --- 57 0 S=1 S-2 ' ' \ All other analytes ND/NE ND/NE • S-3 U . S . CAN - car°° VERNALIS SB-21 Soil SI3-2T"d' 8/12/2008 5 ft 60 ft 67 ft • GW WELT - P U M P TPHc ND 14,000 36 S-7 S-11 AD ' , STATION Benzene ND 5.6 0.002 3 • • SW1 Ethylbenzene ND 41 0.007 Z MW-4 MW-4 Xylenes ND 130 0.009 GMX- Benzo(a)anthracene ND 0.37 0.0047 SB-34 Soil GW Benzo(a)pyrene ND 0.36 0.0043 a 11/20/2008 5 ft 43.5 ft • o� aNS due o Benzo b fluoranthene ND 0.76 0.010 TPHc 19 4,800 SB-27 SOI( y��' ¢°� Ch sene 0.00061 1.9 0.023 to SPH Benzo(a)anthracene 0.0011 0.11 Former Hunter Container Corporation 8/18/2008 5 ft 52 ft GW a � �� Dibenz a,h anthracene ND 0.082 0.0010 2 Benzo a rene 0.00074 0.056 NS due TPHc ND ND --- ti �° Fluorene ND 12 0.14 Benzo b fluoranthene 0.0011 0.12 to SPH TPHd --- --- ND ----- Naphthalene ND 46 0.33 w NaphthaleneND 0.080 Naphthalene 0.00079 0.00083 0.14 b Phenanthrene 0.0014 19 0.26 o All other anal es ND/NE ND/NE All other analytes ND/NE ND/NE ND/NE All other analytes ND/NE ND/NE ND/NE a 0 0 40 80 Map is a relative representation of current and historical data and should be verified for exact legal or underground work. SOIL AND GROUNDWATER p Soil Boring Location Groundwater flow direction inferred from well-monitoring data. Monitoring Well • Historical Old Valley Pipeline �+ Railroad ANALYTICAL RESULTS MAP (March 2009)W Feet TPHc=Total Petroleum Hydrocarbons Environmental Screening Level 3 Historical Tidewater Associated quantified as crude oil WQO=Central Valley RWQCB Water AREA 1 AND AREA 2 Z Destroyed Monitoring Well Soil Boring Location _ Building TPHd=Total Petroleum Hydrocarbons Quality Objective (November 2008) Oil Company Pipeline quantified as diesel U.S.EPA=U.S.Environmental ------ ND=Not Detected at or above Protection Agency US CAN -WELTY ROAD ® Water-Supply Well Soil Boring Location _ Kinder Morgan Pipeline ; Former building laboratory reporting limit RWQCB=Regional Water Quality m O 2008 (location confirmed by GPS) `-------' NE=NoExceedancesofRSLsor Control Board OL (August > �,,,,,,,,,,,,K ESLs in soil;no exceedances of WQOs All results are presented in milligrams 35275 Welty Road a Destroyed Extraction Well Former underground or ESLs in groundwater per kilogram(mg/kg)for soil and x Kinder Morgan Pipeline Vernalis, California o (Crop Production Services) Soil Boring Location ,,_, g p � fuel Storage tank ---=Sample not analyzed for this micrograms per liter(Ng/L)for Q location inferred a««««««"� v (Previous Investigation) ( ) -••-•••• constituent groundwater. � Monitoring Well Estimated extent of NS=Not Sampled -Results presented in bold equal or DATE:9/23/2009 ANALYST:MOORECYN FIGURE: Lateral extent of soil affected Lateral extent of groundwater SPH=Separate-Phase Hydrocarbons exceed RSLs and/or ESLs for soil (Crop Production Services) former burn pit ft=Feet below ground surface and/or WQOs for groundwater.See _ by hydrocarbons,where ` affected by hydrocarbons,where '"""•• �� Q Water-Supply Well petroleum constituents exceed petroleum constituents exceed ------ San Joaquin County GW=Groundwater Tables 2 through 5 for RSLs,ESLs, e ® (Crop Production Services) RSLs and/or ESLs.Outline WQOs and/or ESLs.Outline Assessor's Parcel Revel SL U.S.EPA Regional Screening and WQOs. �� `® W CALIFORNIA LOCATION MAP dashed where inferred. dashed where inferred. ESL=San Francisco Bay RWQCB From Science to Solutions