Appendix I - Hazardous Materials Documentation - VTA

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Contaminant Management Plan, SVRT/BART Extension and Tunnel Segment (Alum Rock Station, Downtown San Jose Station, and Diridon/Arena Station) will be included with those segments accordingly for design purposes. 2.2.3 Yard and Shops Segment The Yard and Shops Segment includes a new BART maintenance and storage facility, the retained cut leading from the maintenance yard to the tunnel portal, and the Santa Clara Station. The maintenance and storage facility will be located on approximately 50 acres in the eastern portion of the UPRR Newhall Yard and will likely extend into the western portion of the former Food Machinery Corporation (FMC) manufacturing facility in San Jose and Santa Clara, including as an option extending into the former portion of the FMC facility at 333 Brokaw Road, which is now occupied by Fedex Corporation. As the terminus of the BART extension, this new facility will include single and double story buildings for maintenance, repair, and training, transfer tracks, a turntable, a yard control tower, and two parking areas. Construction of the BART maintenance and storage facility is anticipated to occur primarily at-grade. For design purposes, the Santa Clara Station will be included with the Yard and Shops Segment. 2.2.4 Tunnel Segment The Tunnel Segment of the SVRT project, approximately a 5-mile section, extends in a general east-west alignment beginning at the retained cut leading to the East Tunnel Portal located at the southern limit of the Line Segment, extends towards the west as a subway under Santa Clara Street in downtown San Jose, and ends at the West Tunnel Portal near Newhall Street in San Jose. The Tunnel Segment consists of a twinbored tunnel, cut-and-cover subways at the ends of the tunnel, and a retained cut leading Line Segment to the portal for the tunnel. For design purposes, the stations along the Tunnel Segment are included as part of the Tunnel Segment. These stations include: • The Alum Rock Station in San Jose; • The Downtown San Jose Station; and • The Diridon/Arena Station in San Jose. Parking areas, drop off areas, and other support facilities for the stations were included in the Stations Segment. 101248 – July 2008 Page 16
2.3 PREVIOUS INVESTIGATIONS 2.3.1 Line Segment Contaminant Management Plan, SVRT/BART Extension There were two environmental investigations initiated by VTA and one by UPRR as part of the due diligence process for the acquisition of a portion of the UPRR Milpitas Corridor railroad alignment from UPRR by VTA for the SVRT project: • URS Corporation (URS) was retained by VTA to conduct a Phase I Environmental Site Assessment (ESA) to identify potential environmental concerns along a section of the UPRR alignment: from Paseo Padre Parkway in Fremont southward to the intersection of the railroad near Highway 87 in San Jose. URS conducted the Phase I ESA in the summer of 2001 and subsequently prepared four reports for four segments of the potential acquisition alignment. Typical of these report titles was Phase I Environmental Site Assessment, Silicon Valley Rapid Transit Corridor, Segment “A”, Milpitas and Fremont, CA; the report titles for Segments “B”, “C” and “D” were analogous. These reports were released on October 11, 2001. • Geomatrix Consultants, on behalf of UPRR, collected samples of shallow soil and ballast in July and August 2001. These samples were primarily analyzed for arsenic and lead, though selected samples were also analyzed for other metals and organic chemicals. The data collected during this investigation was released to VTA in a letter from Jacobs, Chase, Frick, Kleinkopf & Kelley, LLC, dated October 10, 2001. • Earth Tech conducted a Phase II environmental investigation within the potential sale area in late 2001 and early 2002. The Phase II investigation was based on the results of the Phase I data by URS and site-specific analytical data collected by UPRR, as discussed above. Because UPRR had identified significant levels of arsenic and lead along the alignment, this investigation focused on evaluating site arsenic and lead levels. However, a large number of chemical analyses were also performed for other metals and organic chemicals. The results of this investigation were presented in the report UPRR Alignment Investigation Data for BART extension to San Jose, Fremont/Milpitas/San Jose, CA, dated March 29, 2002. Following acquisition of the railroad alignment from UPRR, Earth Tech conducted additional hazardous materials investigation as part of the preliminary engineering design phase of the project to further characterize the Line Segment alignment. The investigation was conducted between July and October 2004. A draft of the Line Segment Hazardous Materials Characterization report was issued in March 2005. 2.3.2 Stations Segment With the exception of the portions of the three stations (future South Calaveras Station, Montague/Capital Station, and Berryessa Station) that fall within the former UPRR right-of-way under the Line Segment, there have been no previous environmental investigations performed on behalf of VTA at any of the stations and corresponding campus areas. However, investigations are in the planning stages and are expected to occur during the final design phase. 101248 – July 2008 Page 17
Page 1: Appendix I Hazardous Materials Docu
Page 5 and 6: SILICON VALLEY RAPID TRANSIT PROJEC
Page 7 and 8: CONTAMINANT MANAGEMENT PLAN (CMP) 1
Page 9 and 10: TABLE OF CONTENTS (Cont.) Contamina
Page 11 and 12: 1.0 INTRODUCTION CONTAMINANT MANAGE
Page 13 and 14: J01-025 4/05 Section 1 Cushing Pkwy
Page 15 and 16: Coyote Creek E. Brokaw Rd Old Baysh
Page 17 and 18: SANTA CLARA Bellomy St Monore St Ne
Page 19 and 20: Contaminant Management Plan, SVRT/B
Page 21 and 22: 2.0 BACKGROUND Contaminant Manageme
Page 25: • The future South Calaveras Stat
Page 31 and 32: Downtown San Jose Station and Campu
Page 37 and 38: 4.0 SOIL/BALLAST MITIGATION MEASURE
Page 47 and 48: SSRA for Residential Exposure Scena
Page 49 and 50: Chemical of Concern SSRAs for Stand
Page 51 and 52: the encapsulation. Contaminant Mana
Page 53 and 54: SSRAs for SSRAs for Off- Reduced In
Page 55: Contaminant Management Plan, SVRT/B
Page 68 and 69: 4.5.3 Unloading Contaminant Managem
Page 70 and 71: 4.6 AIR MONITORING Contaminant Mana
Page 72 and 73: Maximum Anticipated Concentration o
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Contaminant Management Plan, SVRT/B
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4.6.4.4 Monitoring Schedule Contami
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8.0 REFERENCES Contaminant Manageme
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101248 - July 2008 i Prior Analytic
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Sample Information Total Arsenic (m
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Sample Information Location Depth (
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Sample ID Depth (feet below ground
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Sample Information Lab. Analyses &
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101248 - Appendix B - July 2008 ii
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1.0 INTRODUCTION Human Health Risk
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2.0 EXPOSURE ASSESSMENT Human Healt
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Human Health Risk Assessment Contam
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3.0 TOXICITY ASSESSMENT Human Healt
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where: Human Health Risk Assessment
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ABS = dermal absorption factor (uni
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Table B-2 - Exposure Parameters Hum
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5.0 RESULTS Human Health Risk Asses
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Table B-4 - Summary of Lead Reuse V
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7.0 REFERENCES Human Health Risk As
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ATTACHMENT B-1 Human Health Risk As
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Residential Exposure Scenario, Canc
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Residential Exposure Scenario, Nonc
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Industrial, Right-Of-Way, and Const
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SVOCs Pesticides Industrial, Right-
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Off-Site Residential Dust Exposure,
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Off-Site Residential Dust Exposure,
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Reuse Scenario 2: On-Site Industria
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Reuse Scenario 3: Right-Of-Way Calc
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LIST OF ABBREVIATIONS AND ACRONYMS
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Ecological Risk Assessment Contamin
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2.3.2 Contaminant Mobility Ecologic
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4.2 ECOLOGICAL PROTECTION MEASURES
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Methodology for Modifying ESLs for
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Soluble Arsenic (mg/L) Methodology
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• The value of ηeff (0.32) was e
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f i TABLE OF CONTENTS GEOMATHIX Eag
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i i SITE MANAGEMENT PLAN Former For
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ii i. J&,., | sequence of heterogen
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I I 2.4.2 Soil Remediation Activiti
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1 i g 2.S.2.I Groundwater Extractio
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I I 3.1 HUMAN HEALTH RISK • Healt
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8 I fi r include destruction of the
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anticipated that ground-water will
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t. B-" SOUTHERN PACIFIC RAILROAD MW
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SOUTHERN PSCIF1C RAILROAD GROUNDWAT
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California Regional Water Quality C
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Appendix I - Hazardous Materials Documentation - VTA

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