SOIL INVESTIGATION REPORT ARNOLD DRIVE AT AGUA CALIENTE ROAD ROUNDABOUT PROJECT PM 14.89 – 15.12 (Arnold Drive) PM 10.00 – 10.12 (Agua Caliente Road) January 3, 2013 This soil investigation report describes the results of the tests conducted by the County of Sonoma, Department of Transportation and Public Works (County) for soil investigations within the Arnold Drive and Agua Caliente Road Roundabout project area. Project Location The investigation was performed on Arnold Drive (post mile 15.01) and Agua Caliente Road (post mile 10.00), Sonoma County, California. See Attachment a, Vicinity Map. Purpose The primary objective of the investigation was to evaluate whether impacts due to aerially deposited lead (ADL), metals, and petroleum hydrocarbons exist in the surface and subsurface soils within the depths of expected excavation within the project boundaries. The County will use the information obtained from this investigation to coordinate roadway improvements, determine soil disposal costs, and identify health and safety concerns during construction. Since surplus soil may be taken to the Sonoma County Central Landfill, some of the tests were conducted to meet disposal criteria at that site. Field Activities The County conducted 16 borings for soil investigation. Soil borings were performed at Arnold Drive and Agua Caliente Road. Soil boring locations were modified from the work plan depending on field accessibility and marked locations of underground utilities. Boring holes were located by swing ties from existing surveyed topographic features and survey monumentation. Bore hole locations are shown on the exhibit in Attachment b.
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SOIL INVESTIGATION REPORT
ARNOLD DRIVE AT AGUA CALIENTE ROAD ROUNDABOUT PROJECT
This soil investigation report describes the results of the tests conducted by the County of Sonoma, Department of Transportation and Public Works (County) for soil investigations within the Arnold Drive and Agua Caliente Road Roundabout project area.
Project Location The investigation was performed on Arnold Drive (post mile 15.01) and Agua Caliente Road (post mile 10.00), Sonoma County, California. See Attachment a, Vicinity Map.
Purpose The primary objective of the investigation was to evaluate whether impacts due to aerially deposited lead (ADL), metals, and petroleum hydrocarbons exist in the surface and subsurface soils within the depths of expected excavation within the project boundaries. The County will use the information obtained from this investigation to coordinate roadway improvements, determine soil disposal costs, and identify health and safety concerns during construction. Since surplus soil may be taken to the Sonoma County Central Landfill, some of the tests were conducted to meet disposal criteria at that site.
Field Activities The County conducted 16 borings for soil investigation. Soil borings were performed at Arnold Drive and Agua Caliente Road. Soil boring locations were modified from the work plan depending on field accessibility and marked locations of underground utilities. Boring holes were located by swing ties from existing surveyed topographic features and survey monumentation. Bore hole locations are shown on the exhibit in Attachment b.
All soil borings were taken at a depth between 0.5’and 2.5’ below ground surface using power and hand augers, and hand trowels. Sixteen soil samples were collected. Four samples were combined into one composite producing four total composite samples. Completed soil boreholes were backfilled to the surface with the soil cuttings. Sampling equipment was cleansed between each sample using Alconox followed by a double rinse with deionized water. Soil samples were collected in pre-cleaned/unused stainless steel tubes. The tubes were sealed, labeled, placed on ice in a cooler, and transported to Alpha Analytical Laboratories, 208 Mason Street, Ukiah, California, a laboratory certified to conduct the tests.
Laboratory Analysis Samples were analyzed in the following manner: All soil samples were analyzed for Title 22 metals using EPA Test Method 6000/7000
series; where TTLC lead was greater than 50 ppm, selected samples were ran for the Waste Extraction Test (WET).
All samples were tested for: o TPHd and TPHmo by EPA Method 8015m with silica gel cleanup. o TPHg, BTEX, and MTBE using EPA Test Method 8260. o Oil and grease by standard method 5520 with silica gel cleanup.
One sample was tested for Organochlorine Pesticides and PCBs using EPA Test Method 8081/8082.
One composite sample was tested by the following tests: o VOCs by method 8260. o SVOC by method 8270. o TCLP Phenol by method 8270 o TCLP PCB’s by method 8080.
One sample was tested for reactivity, corrosivity, and ignitability (RCI).
The results of the investigations are tabulated in Attachment c. The lab results are included in Attachment d.
Results None of the tests for metals exceeded the regulatory values per the California Code of Regulations, Title 22. All 4 samples were tested for CAM 17 metals. Two samples 2-2D and 4A-4D had total lead levels exceeding 50 ppm and these were tested with the Waste Extraction Test (WET) method. The WET results were 2.2 ppm for sample 2A-2D and 3.3 ppm for sample 4A-4D. Both values are less than the 5 ppm allowed. This soil may be used in embankments.
All samples were tested for Total Petroleum Hydrocarbons-diesel (TPHd). The Environmental Screening Level (ESLs) per the San Francisco Bay RWQCB is 4200 ppm for gas and diesel. Composite samples 1 and 4 tested at 35 and 16 ppm for diesel. All samples were tested for oil and grease. Composite sample 4A-4D tested at 460 mg/kg. Though this is much less than the allowed environmental screening level, it is high enough to prevent disposal at the County's Central Landfill. The Environmental Screening Levels (ES Ls) per the San Francisco Bay RWQCB is 12000 ppm for residual fuels.
All four composite samples were tested for volatile organic carbon. One was tested for Phenol and poly carbonated biphenyls. The test results did not detect the presence of any of these chemicals.
Report Prepared By:
~~Rex Cummins Senior Engineer
Attachments
a. VICINITY MAP b. SOIL SAMPLE LOCATION MAP c. SOIL SAMPLE ANALYTICAL RES UL TS CHART d. CHEMICAL EXAMINATION REPORTS
Alpha Analytical TPHg = Total Petroleum Hydrocarbons as gasoline according to EPA Method 8015 Modified
TPHd = Total Petroleum Hydrocarbons as diesel according to EPA Method 8015 Modified
TPHmo = Total Petroleum Hydrocarbons as motor oil according to EPA Method 8015 Modified
VOCs = Volatile Organic Compounds according to EPA Method 8260 B
EXPLANATION: SVOCs = Semivolatile Organic Compounds according to EPA Method 8270 C
ppm = parts per million TCLP = Toxicity Characteristic Leaching Potential
PCBs = Polychlorinated Biphenyls according to EPA Method 8082
WET=Waste Extraction Test
ND=Not Detected1 = Sample was also reported as ND for reactive cyanide and sulfide, has a flashpoint of above 220 degrees F and a pH of 7.2.2 = Volatile Organic Compounds Not detected except for methyl tert-butyl ether*Environmental Screening Levels for Hydrocarbons are from Table K-3, Direct Exposure Soil Screening Levels Construction/Trench Worker Exposure Scenario, California Regional Water Quality Board, San Francisco Bay Region. Metal standards are from California Code ofRegulations Title 22, Chapter 11, Article 3 . Volatile, Semivolatile, and PCB levels are acceptance standards for a Class III landfill.
U:\Pro_rec\2166-Arnold at Agua\2-Project Design\Materials\Soil Investigation Report\Arnold Dr Roundabout Soil Tests Summary Sept. 15 2011.xls 1 1/3/2013
Corporate: 208 Mason St., Ukiah, CA 95482 • Phone: (707) 468-0401 • Fax: (707) 468-5267 Service Center: 6398 Dougherty Rd., Suite 35, Dublin, CA 94568 • Phone: (925) 828-6226 • Fax: (925) 828-6309
ELAP Certificate Numbers 1551 and 2728
30 September 2011
Sonoma Co. Dept. Public Works Testing Lab
Attn: Victor Hayes
2688 Ventura Ave.
Santa Rosa, CA 95403
RE: Arnold Drive Roundabout
Work Order: 1 II0676
Enclosed are the results of analyses for samples received by the laboratory on 09/15111 16:30. lfyou have any questions concerning this report, please feel free to contact me.
Sincerely,
Jeanette L. Poplin For Karen A. Daly Project Manager
Sonoma Co. Dept. Public Works Testing Lab2688 Ventura Ave. 09/30/11 10:26Santa Rosa, CA 95403 Project No:
Page 1 of 37
Project ID: C02166Arnold Drive RoundaboutAttn: Victor Hayes
CHEMICAL EXAMINATION REPORT
Order Number Receipt Date/Time Client Code Client PO/Reference
11I0676 09/15/2011 16:30 SCPWTL 3501-09
Report Date:
ANALYTICAL REPORT FOR SAMPLES
Sample ID Laboratory ID Matrix Date Sampled Date Received
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.
Laboratory DirectorBruce Gove
CHEMICAL EXAMINATION REPORT Page 6 of 37
Sonoma Co. Dept. Public Works Testing Lab2688 Ventura Ave. Report Date: 09/30/11 10:26Santa Rosa, CA 95403 Project No: C02166Attn: Victor Hayes Project ID: Arnold Drive Roundabout
Order Number Receipt Date/Time Client Code Client PO/Reference
11I0676 09/15/2011 16:30 SCPWTL 3501-09
Alpha Analytical Laboratories, Inc.
METHOD BATCH PREPARED ANALYZED DILUTION RESULT PQL NOTE
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.
Bruce Gove 9/30/2011Laboratory Director
CHEMICAL EXAMINATION REPORT Page 7 of 37
Sonoma Co. Dept. Public Works Testing Lab2688 Ventura Ave. Report Date: 09/30/11 10:26Santa Rosa, CA 95403 Project No: C02166Attn: Victor Hayes Project ID: Arnold Drive Roundabout
Order Number Receipt Date/Time Client Code Client PO/Reference
11I0676 09/15/2011 16:30 SCPWTL 3501-09
Alpha Analytical Laboratories, Inc.
METHOD BATCH PREPARED ANALYZED DILUTION RESULT PQL NOTE
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.
9/30/2011Laboratory DirectorBruce Gove
CHEMICAL EXAMINATION REPORT Page 8 of 37
Sonoma Co. Dept. Public Works Testing Lab2688 Ventura Ave. Report Date: 09/30/11 10:26Santa Rosa, CA 95403 Project No: C02166Attn: Victor Hayes Project ID: Arnold Drive Roundabout
Order Number Receipt Date/Time Client Code Client PO/Reference
11I0676 09/15/2011 16:30 SCPWTL 3501-09
Alpha Analytical Laboratories, Inc.
METHOD BATCH PREPARED ANALYZED DILUTION RESULT PQL NOTE
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.
Bruce Gove 9/30/2011Laboratory Director
CHEMICAL EXAMINATION REPORT Page 9 of 37
Sonoma Co. Dept. Public Works Testing Lab2688 Ventura Ave. Report Date: 09/30/11 10:26Santa Rosa, CA 95403 Project No: C02166Attn: Victor Hayes Project ID: Arnold Drive Roundabout
Order Number Receipt Date/Time Client Code Client PO/Reference
11I0676 09/15/2011 16:30 SCPWTL 3501-09
Alpha Analytical Laboratories, Inc.
METHOD BATCH PREPARED ANALYZED DILUTION RESULT PQL NOTE
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.
Bruce Gove 9/30/2011Laboratory Director
CHEMICAL EXAMINATION REPORT Page 10 of 37
Sonoma Co. Dept. Public Works Testing Lab2688 Ventura Ave. Report Date: 09/30/11 10:26Santa Rosa, CA 95403 Project No: C02166Attn: Victor Hayes Project ID: Arnold Drive Roundabout
Order Number Receipt Date/Time Client Code Client PO/Reference
11I0676 09/15/2011 16:30 SCPWTL 3501-09
Alpha Analytical Laboratories, Inc.
METHOD BATCH PREPARED ANALYZED DILUTION RESULT PQL NOTE
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.
Bruce Gove 9/30/2011Laboratory Director
CHEMICAL EXAMINATION REPORT Page 11 of 37
Sonoma Co. Dept. Public Works Testing Lab2688 Ventura Ave. Report Date: 09/30/11 10:26Santa Rosa, CA 95403 Project No: C02166Attn: Victor Hayes Project ID: Arnold Drive Roundabout
Order Number Receipt Date/Time Client Code Client PO/Reference
11I0676 09/15/2011 16:30 SCPWTL 3501-09
Alpha Analytical Laboratories, Inc.
METHOD BATCH PREPARED ANALYZED DILUTION RESULT PQL NOTE
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.
Bruce Gove 9/30/2011Laboratory Director
CHEMICAL EXAMINATION REPORT Page 12 of 37
Sonoma Co. Dept. Public Works Testing Lab2688 Ventura Ave. Report Date: 09/30/11 10:26Santa Rosa, CA 95403 Project No: C02166Attn: Victor Hayes Project ID: Arnold Drive Roundabout
Order Number Receipt Date/Time Client Code Client PO/Reference
11I0676 09/15/2011 16:30 SCPWTL 3501-09
Alpha Analytical Laboratories, Inc.
METHOD BATCH PREPARED ANALYZED DILUTION RESULT PQL NOTE
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.
Bruce Gove 9/30/2011Laboratory Director
CHEMICAL EXAMINATION REPORT Page 13 of 37
Sonoma Co. Dept. Public Works Testing Lab2688 Ventura Ave. Report Date: 09/30/11 10:26Santa Rosa, CA 95403 Project No: C02166Attn: Victor Hayes Project ID: Arnold Drive Roundabout
Order Number Receipt Date/Time Client Code Client PO/Reference
11I0676 09/15/2011 16:30 SCPWTL 3501-09
Alpha Analytical Laboratories, Inc.
METHOD BATCH PREPARED ANALYZED DILUTION RESULT PQL NOTE
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.
Bruce Gove 9/30/2011Laboratory Director
CHEMICAL EXAMINATION REPORT Page 14 of 37
Sonoma Co. Dept. Public Works Testing Lab2688 Ventura Ave. Report Date: 09/30/11 10:26Santa Rosa, CA 95403 Project No: C02166Attn: Victor Hayes Project ID: Arnold Drive Roundabout
Order Number Receipt Date/Time Client Code Client PO/Reference
11I0676 09/15/2011 16:30 SCPWTL 3501-09
Metals by EPA 6000/7000 Series Methods - Quality Control
Spike Source %REC RPD
Analyte(s) Result PQL Units Level Result %REC Limits RPD Limit Flag
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.
Bruce Gove 9/30/2011Laboratory Director
CHEMICAL EXAMINATION REPORT Page 15 of 37
Sonoma Co. Dept. Public Works Testing Lab2688 Ventura Ave. Report Date: 09/30/11 10:26Santa Rosa, CA 95403 Project No: C02166Attn: Victor Hayes Project ID: Arnold Drive Roundabout
Order Number Receipt Date/Time Client Code Client PO/Reference
11I0676 09/15/2011 16:30 SCPWTL 3501-09
Metals by EPA 6000/7000 Series Methods - Quality Control
Spike Source %REC RPD
Analyte(s) Result PQL Units Level Result %REC Limits RPD Limit Flag
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.
Bruce Gove 9/30/2011Laboratory Director
CHEMICAL EXAMINATION REPORT Page 16 of 37
Sonoma Co. Dept. Public Works Testing Lab2688 Ventura Ave. Report Date: 09/30/11 10:26Santa Rosa, CA 95403 Project No: C02166Attn: Victor Hayes Project ID: Arnold Drive Roundabout
Order Number Receipt Date/Time Client Code Client PO/Reference
11I0676 09/15/2011 16:30 SCPWTL 3501-09
Metals by EPA 6000/7000 Series Methods - Quality Control
Spike Source %REC RPD
Analyte(s) Result PQL Units Level Result %REC Limits RPD Limit Flag
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.
Bruce Gove 9/30/2011Laboratory Director
CHEMICAL EXAMINATION REPORT Page 17 of 37
Sonoma Co. Dept. Public Works Testing Lab2688 Ventura Ave. Report Date: 09/30/11 10:26Santa Rosa, CA 95403 Project No: C02166Attn: Victor Hayes Project ID: Arnold Drive Roundabout
Order Number Receipt Date/Time Client Code Client PO/Reference
11I0676 09/15/2011 16:30 SCPWTL 3501-09
Metals by EPA 6000/7000 Series Methods - Quality Control
Spike Source %REC RPD
Analyte(s) Result PQL Units Level Result %REC Limits RPD Limit Flag
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.
Bruce Gove 9/30/2011Laboratory Director
CHEMICAL EXAMINATION REPORT Page 18 of 37
Sonoma Co. Dept. Public Works Testing Lab2688 Ventura Ave. Report Date: 09/30/11 10:26Santa Rosa, CA 95403 Project No: C02166Attn: Victor Hayes Project ID: Arnold Drive Roundabout
Order Number Receipt Date/Time Client Code Client PO/Reference
11I0676 09/15/2011 16:30 SCPWTL 3501-09
Metals by EPA 6000/7000 Series Methods - Quality Control
Spike Source %REC RPD
Analyte(s) Result PQL Units Level Result %REC Limits RPD Limit Flag
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.
Bruce Gove 9/30/2011Laboratory Director
CHEMICAL EXAMINATION REPORT Page 19 of 37
Sonoma Co. Dept. Public Works Testing Lab2688 Ventura Ave. Report Date: 09/30/11 10:26Santa Rosa, CA 95403 Project No: C02166Attn: Victor Hayes Project ID: Arnold Drive Roundabout
Order Number Receipt Date/Time Client Code Client PO/Reference
11I0676 09/15/2011 16:30 SCPWTL 3501-09
STLC Metals by EPA 6000/7000 Series Methods - Quality Control
Spike Source %REC RPD
Analyte(s) Result PQL Units Level Result %REC Limits RPD Limit Flag
Lead 3.92 0.50 mg/l 2.00 2.25 83.5 70-130 0.129 20
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.
Bruce Gove 9/30/2011Laboratory Director
CHEMICAL EXAMINATION REPORT Page 20 of 37
Sonoma Co. Dept. Public Works Testing Lab2688 Ventura Ave. Report Date: 09/30/11 10:26Santa Rosa, CA 95403 Project No: C02166Attn: Victor Hayes Project ID: Arnold Drive Roundabout
Order Number Receipt Date/Time Client Code Client PO/Reference
11I0676 09/15/2011 16:30 SCPWTL 3501-09
RCRA Hazardous Characteristics by EPA Methods - Quality Control
Spike Source %REC RPD
Analyte(s) Result PQL Units Level Result %REC Limits RPD Limit Flag
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.
Bruce Gove 9/30/2011Laboratory Director
CHEMICAL EXAMINATION REPORT Page 21 of 37
Sonoma Co. Dept. Public Works Testing Lab2688 Ventura Ave. Report Date: 09/30/11 10:26Santa Rosa, CA 95403 Project No: C02166Attn: Victor Hayes Project ID: Arnold Drive Roundabout
Order Number Receipt Date/Time Client Code Client PO/Reference
11I0676 09/15/2011 16:30 SCPWTL 3501-09
Conventional Chemistry Parameters by APHA/EPA Methods - Quality Control
Spike Source %REC RPD
Analyte(s) Result PQL Units Level Result %REC Limits RPD Limit Flag
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.
Bruce Gove 9/30/2011Laboratory Director
CHEMICAL EXAMINATION REPORT Page 22 of 37
Sonoma Co. Dept. Public Works Testing Lab2688 Ventura Ave. Report Date: 09/30/11 10:26Santa Rosa, CA 95403 Project No: C02166Attn: Victor Hayes Project ID: Arnold Drive Roundabout
Order Number Receipt Date/Time Client Code Client PO/Reference
11I0676 09/15/2011 16:30 SCPWTL 3501-09
TPH by EPA/LUFT GC/GCMS Methods - Quality Control
Spike Source %REC RPD
Analyte(s) Result PQL Units Level Result %REC Limits RPD Limit Flag
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.
Bruce Gove 9/30/2011Laboratory Director
CHEMICAL EXAMINATION REPORT Page 23 of 37
Sonoma Co. Dept. Public Works Testing Lab2688 Ventura Ave. Report Date: 09/30/11 10:26Santa Rosa, CA 95403 Project No: C02166Attn: Victor Hayes Project ID: Arnold Drive Roundabout
Order Number Receipt Date/Time Client Code Client PO/Reference
11I0676 09/15/2011 16:30 SCPWTL 3501-09
Volatile Organic Compounds by EPA Method 8260B - Quality Control
Spike Source %REC RPD
Analyte(s) Result PQL Units Level Result %REC Limits RPD Limit Flag
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.
Bruce Gove 9/30/2011Laboratory Director
CHEMICAL EXAMINATION REPORT Page 24 of 37
Sonoma Co. Dept. Public Works Testing Lab2688 Ventura Ave. Report Date: 09/30/11 10:26Santa Rosa, CA 95403 Project No: C02166Attn: Victor Hayes Project ID: Arnold Drive Roundabout
Order Number Receipt Date/Time Client Code Client PO/Reference
11I0676 09/15/2011 16:30 SCPWTL 3501-09
Volatile Organic Compounds by EPA Method 8260B - Quality Control
Spike Source %REC RPD
Analyte(s) Result PQL Units Level Result %REC Limits RPD Limit Flag
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.
Bruce Gove 9/30/2011Laboratory Director
CHEMICAL EXAMINATION REPORT Page 25 of 37
Sonoma Co. Dept. Public Works Testing Lab2688 Ventura Ave. Report Date: 09/30/11 10:26Santa Rosa, CA 95403 Project No: C02166Attn: Victor Hayes Project ID: Arnold Drive Roundabout
Order Number Receipt Date/Time Client Code Client PO/Reference
11I0676 09/15/2011 16:30 SCPWTL 3501-09
Volatile Organic Compounds by EPA Method 8260B - Quality Control
Spike Source %REC RPD
Analyte(s) Result PQL Units Level Result %REC Limits RPD Limit Flag
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.
Bruce Gove 9/30/2011Laboratory Director
CHEMICAL EXAMINATION REPORT Page 26 of 37
Sonoma Co. Dept. Public Works Testing Lab2688 Ventura Ave. Report Date: 09/30/11 10:26Santa Rosa, CA 95403 Project No: C02166Attn: Victor Hayes Project ID: Arnold Drive Roundabout
Order Number Receipt Date/Time Client Code Client PO/Reference
11I0676 09/15/2011 16:30 SCPWTL 3501-09
Volatile Organic Compounds by EPA Method 8260B - Quality Control
Spike Source %REC RPD
Analyte(s) Result PQL Units Level Result %REC Limits RPD Limit Flag
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.
Bruce Gove 9/30/2011Laboratory Director
CHEMICAL EXAMINATION REPORT Page 27 of 37
Sonoma Co. Dept. Public Works Testing Lab2688 Ventura Ave. Report Date: 09/30/11 10:26Santa Rosa, CA 95403 Project No: C02166Attn: Victor Hayes Project ID: Arnold Drive Roundabout
Order Number Receipt Date/Time Client Code Client PO/Reference
11I0676 09/15/2011 16:30 SCPWTL 3501-09
Volatile Organic Compounds by EPA Method 8260B - Quality Control
Spike Source %REC RPD
Analyte(s) Result PQL Units Level Result %REC Limits RPD Limit Flag
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.
Bruce Gove 9/30/2011Laboratory Director
CHEMICAL EXAMINATION REPORT Page 28 of 37
Sonoma Co. Dept. Public Works Testing Lab2688 Ventura Ave. Report Date: 09/30/11 10:26Santa Rosa, CA 95403 Project No: C02166Attn: Victor Hayes Project ID: Arnold Drive Roundabout
Order Number Receipt Date/Time Client Code Client PO/Reference
11I0676 09/15/2011 16:30 SCPWTL 3501-09
Volatile Organic Compounds by EPA Method 8260B - Quality Control
Spike Source %REC RPD
Analyte(s) Result PQL Units Level Result %REC Limits RPD Limit Flag
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.
Bruce Gove 9/30/2011Laboratory Director
CHEMICAL EXAMINATION REPORT Page 29 of 37
Sonoma Co. Dept. Public Works Testing Lab2688 Ventura Ave. Report Date: 09/30/11 10:26Santa Rosa, CA 95403 Project No: C02166Attn: Victor Hayes Project ID: Arnold Drive Roundabout
Order Number Receipt Date/Time Client Code Client PO/Reference
11I0676 09/15/2011 16:30 SCPWTL 3501-09
Polychlorinated Biphenyls by EPA Method 8082 - Quality Control
Spike Source %REC RPD
Analyte(s) Result PQL Units Level Result %REC Limits RPD Limit Flag
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.
Bruce Gove 9/30/2011Laboratory Director
CHEMICAL EXAMINATION REPORT Page 30 of 37
Sonoma Co. Dept. Public Works Testing Lab2688 Ventura Ave. Report Date: 09/30/11 10:26Santa Rosa, CA 95403 Project No: C02166Attn: Victor Hayes Project ID: Arnold Drive Roundabout
Order Number Receipt Date/Time Client Code Client PO/Reference
11I0676 09/15/2011 16:30 SCPWTL 3501-09
Polychlorinated Biphenyls by EPA Method 8082 - Quality Control
Spike Source %REC RPD
Analyte(s) Result PQL Units Level Result %REC Limits RPD Limit Flag
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.
Bruce Gove 9/30/2011Laboratory Director
CHEMICAL EXAMINATION REPORT Page 31 of 37
Sonoma Co. Dept. Public Works Testing Lab2688 Ventura Ave. Report Date: 09/30/11 10:26Santa Rosa, CA 95403 Project No: C02166Attn: Victor Hayes Project ID: Arnold Drive Roundabout
Order Number Receipt Date/Time Client Code Client PO/Reference
11I0676 09/15/2011 16:30 SCPWTL 3501-09
Semivolatile Organic Compounds by EPA Method 8270C - Quality Control
Spike Source %REC RPD
Analyte(s) Result PQL Units Level Result %REC Limits RPD Limit Flag
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.
Bruce Gove 9/30/2011Laboratory Director
CHEMICAL EXAMINATION REPORT Page 32 of 37
Sonoma Co. Dept. Public Works Testing Lab2688 Ventura Ave. Report Date: 09/30/11 10:26Santa Rosa, CA 95403 Project No: C02166Attn: Victor Hayes Project ID: Arnold Drive Roundabout
Order Number Receipt Date/Time Client Code Client PO/Reference
11I0676 09/15/2011 16:30 SCPWTL 3501-09
Semivolatile Organic Compounds by EPA Method 8270C - Quality Control
Spike Source %REC RPD
Analyte(s) Result PQL Units Level Result %REC Limits RPD Limit Flag
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.
Bruce Gove 9/30/2011Laboratory Director
CHEMICAL EXAMINATION REPORT Page 33 of 37
Sonoma Co. Dept. Public Works Testing Lab2688 Ventura Ave. Report Date: 09/30/11 10:26Santa Rosa, CA 95403 Project No: C02166Attn: Victor Hayes Project ID: Arnold Drive Roundabout
Order Number Receipt Date/Time Client Code Client PO/Reference
11I0676 09/15/2011 16:30 SCPWTL 3501-09
Semivolatile Organic Compounds by EPA Method 8270C - Quality Control
Spike Source %REC RPD
Analyte(s) Result PQL Units Level Result %REC Limits RPD Limit Flag
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.
Bruce Gove 9/30/2011Laboratory Director
CHEMICAL EXAMINATION REPORT Page 34 of 37
Sonoma Co. Dept. Public Works Testing Lab2688 Ventura Ave. Report Date: 09/30/11 10:26Santa Rosa, CA 95403 Project No: C02166Attn: Victor Hayes Project ID: Arnold Drive Roundabout
Order Number Receipt Date/Time Client Code Client PO/Reference
11I0676 09/15/2011 16:30 SCPWTL 3501-09
Semivolatile Organic Compounds by EPA Method 8270C - Quality Control
Spike Source %REC RPD
Analyte(s) Result PQL Units Level Result %REC Limits RPD Limit Flag
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.
Bruce Gove 9/30/2011Laboratory Director
CHEMICAL EXAMINATION REPORT Page 35 of 37
Sonoma Co. Dept. Public Works Testing Lab2688 Ventura Ave. Report Date: 09/30/11 10:26Santa Rosa, CA 95403 Project No: C02166Attn: Victor Hayes Project ID: Arnold Drive Roundabout
Order Number Receipt Date/Time Client Code Client PO/Reference
11I0676 09/15/2011 16:30 SCPWTL 3501-09
Semivolatile Organic Compounds by EPA Method 8270C - Quality Control
Spike Source %REC RPD
Analyte(s) Result PQL Units Level Result %REC Limits RPD Limit Flag
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.
Bruce Gove 9/30/2011Laboratory Director
CHEMICAL EXAMINATION REPORT Page 36 of 37
Sonoma Co. Dept. Public Works Testing Lab2688 Ventura Ave. Report Date: 09/30/11 10:26Santa Rosa, CA 95403 Project No: C02166Attn: Victor Hayes Project ID: Arnold Drive Roundabout
Order Number Receipt Date/Time Client Code Client PO/Reference
11I0676 09/15/2011 16:30 SCPWTL 3501-09
Semivolatile Organic Compounds by EPA Method 8270C - Quality Control
Spike Source %REC RPD
Analyte(s) Result PQL Units Level Result %REC Limits RPD Limit Flag
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.
Bruce Gove 9/30/2011Laboratory Director
CHEMICAL EXAMINATION REPORT Page 37 of 37
Sonoma Co. Dept. Public Works Testing Lab2688 Ventura Ave. Report Date: 09/30/11 10:26Santa Rosa, CA 95403 Project No: C02166Attn: Victor Hayes Project ID: Arnold Drive Roundabout
Order Number Receipt Date/Time Client Code Client PO/Reference
11I0676 09/15/2011 16:30 SCPWTL 3501-09
Notes and Definitions
>220 >220
D-09 Results in the diesel organics range are primarily due to overlap from a heavy oil range product.
QM-01 The spike recovery for this QC sample is outside of established control limits possibly due to a sample matrix interference.
QM-04 High RPD and/or poor percent recovery may reflect sample non-homogeneity.
QM-07 The spike recovery was outside acceptance limits for the MS and/or MSD. The batch was accepted based on acceptable LCS
recovery.
QM-08 The RPD was outside acceptance limits for MS/MSD, possibly due to matrix interference. The LCS and/or LCSD were within
acceptance limits showing that the laboratory is in control and the data is acceptable.
QM-4X The spike recovery was outside of QC acceptance limits for the MS and/or MSD due to analyte concentration at 4 times or greater
the spike concentration. The QC batch was accepted based on LCS and/or LCSD recoveries within the acceptance limits.
R-01 The Reporting Limit for this analyte has been raised to account for matrix interference.
R-06 The Reporting Limits for this analysis have been raised to account for matrix interference.
DET Analyte DETECTED
ND Analyte NOT DETECTED at or above the reporting limit
NOTES: ND- NOT DETECTED AT OR ABOVE THE STATED METHOD REPORTING LIMIT NA- NOT APPLICABLE OR AVAILABLE MRL - METHOD REPORTING LIMIT AE - UNKNOWN HYDROCARBON WITH A SINGLE PEAK AN - UNKNOWN HYDROCARBON WITH SEVERAL PEAKS AS - HEAVIER HYDROCARBON THAN GASOLINE CONTRIBUTING TO GRO VALUE CO- HYDROCARBON RESPONSE IN GASOLINE RANGE BUT DOES NOT RESEMBLE GASOLINE
APPROVED BY~~ , ])2.,~!?/~o I ( DATE:
I
K PRIME, INC. METHOD BLANK ID: B092011S1 LABORATORY QC REPORT SAMPLE TYPE: SOIL
METHOD: GRO-GASOLINE RANGE ORGANICS REFERENCE: EPA 8015B BATCH#: 092011S1
DATE EXTRACTED: 09/20/2011 DATE ANALYZED: 09/20/2011
UNITS: mg/kg
COMPOUND NAME
ITPH-G
REPORTING LIMIT 1.00
SAMPLE CONC
ND
NOTES: ND - NOT DETECTED AT OR ABOVE THE STATED REPORTING LIMIT NA- NOT AVAILABLE OR APPLICABLE
ACCURACY (MATRIX SPIKE)
SAMPLE ID: DUPLICATE ID:
BATCH#: SAMPLE TYPE:
UNITS:
DATE EXTRACTED: DATE ANALYZED:
L092011S1 D092011S1 092011S1
SOIL mg/kg
09/20/2011 09/20/2011
PARAMETER SPIKE SAMPLE SPIKE RECOVERY LIMITS ADDED RESULT RESULT (%) (%)
TPH-G 5.00 ND 5.22 104 60-140
PRECISION (SPIKE DUPLICATE)
COMPOUND NAME REPORTING SPIKE DUPLICATE RPO LIMITS LIMIT RESULT RESULT (%) (%)
TPH-G 1.00 5.22 5.29 1.4 ±20
NOTES: ND- NOT DETECTED AT OR ABOVE THE STATED REPORTING LIMIT NA- NOT AVAILABLE OR APPLICABLE
,•
SOIL DISPOSAL ANALYTICAL REQUIREMENTS <1,500 YDS OF STOCKPILED SOIL
SCTPW ARNOLD DRIVE ROUNDABOUT
TOTAL OF 4 4-POINT COMPOSITE SAMPLE REQUIRED
ANALYZE 1 SAMPLE FOR:
TPHgasoline, BTEX and MtBE by EPA Method 8260 ltPHdiesel by EPA Method 8015modified -Oil and Grease by Standard Method 5520 with Silica Gel Cleanup tAM 17 Metals*
.-11CBs by EPA Method 8080 ~voes & Phenol by EPA Method 8270 ~OCs by EPA Method 8260 -"RCI
ANALYZE REMAINING 3 SAMPLES FOR:
TPHgasoline, BTEX and MtBE by EPA Method 8260 )fPHdiesel by EPA Method 8015modified ,,Oil and Grease by Standard Method 5520 with Silica Gel Cleanup ,,CAM 17 Metals*
*If total lead greater than 50 ppm, then analyze for STLC lead
SAMPLING PROTOCOL
Four (4) individual sample tubes will be collected at various locations on the stockpile (if stockpiled) at depths of no less than 1 foot below the surface. The 4 tubes collected for each sample will be labeled as a group (Cl Comp I .of 4, 2of 4, etc) and composited in the analytical laboratory as one sample prior to analysis. In-situ samples will also be collected and handled in the same manner. Include a map showing the sample locations along with the analytical data.
9/15/2011
SOIL DISPOSAL ANALYTICAL REQUIREMENTS <l,500 YDS OF STOCKPILED SOIL
SCTPW ARNOLD DRIVE ROUNDABOUT
TOTAL OF 4 4-POINT COMPOSITE SAMPLE REQUIRED
ANALYZE 1 SAMPLE FOR:
TPHgasoline, BTEX and MtBE by EPA Method 8260 TPHdiesel by EPA Method 8015modified Oil and Grease by Standard Method 5520 with Silica Gel Cleanup CAM 17 Metals* PCBs by EPA Method 8080 SVOCs & Phenol by EPA Method 8270 VOCs by EPA Method 8260 RCI
ANALYZE REMAINING 3 SAMPLES FOR:
TPHgasoline, BTEX and MtBE by EPA Method 8260 TPHdiesel by EPA Method 8015modified Oil and Grease by Standard Method 5520 with Silica Gel Cleanup CAM 17 Metals*
*If total lead greater than 50 ppm, then analyze for STLC lead
SAMPLING PROTOCOL
Four (4) individual sample tubes will be collected at various locations on the stockpile (if stockpiled) at depths of no less than 1 foot below the surface. The 4 tubes collected for each sample will be labeled as a group (CJ Comp 1 of 4, 2of 4, etc) and composited in the analytical laboratory as one sample prior to analysis. In-situ samples will also be collected and handled in the same manner. Include a map showing the sample locations along with the analytical data.
9/15/2011
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