Field Solutions personnel have provided a broad array of field environmental services throughout Northern California.  We have assisted clients with all facets of environmental monitoring and testing including initial site investigation and characterization, design and deployment of groundwater and soil sampling strategies, and ongoing assistance for operation and maintenance (O&M) activities.  A key element of our strategy in providing services to our clients is to identify and address issues during the planning phases of the project when they can be handled in parallel with other project operations.  Representative examples of projects conducted by Field Solutions team members are described below.

Relevant Project Experiences
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Multiple Landfills
Northern and Central California
Project –Integrated and Instantaneous Surface Emission Monitoring

 Field Solutions personnel peform simultaneous instantaneous and integrated surface monitoring  to allow both NSPS instantaneous monitoring and AB-32 integrated and instantaneous monitoring to be performed in a single pass.  The Trimble SiteFIDTM Landfill Gas monitors are linked by wireless technology to GPS-enabled, hand-held computers.  The instruments have data logging capability and methane concentrations are recorded at short intervals (typically every 4 seconds) along the walking path.  The readings are then averaged for each grid to provide the grid integrated methane concentration.  Continuous sampling and data logging of the results over short time intervals allows instantaneous SEM to be completed during the process.

During the grid traverse, the Trimble SiteFIDTM is set to alarm if it records a methane concentration of 500 ppmv or greater during integrated monitoring.  In this event, integrated monitoring is disabled and an instantaneous measurement is obtained at the alarm location to evaluate whether the alarm reading is a confirmed exceedence or whether it represents a temporary, non-repeatable reading (i.e., a methane reading that persists for less than 5 seconds and does not recur when the sampling probe is placed in the same location).  If the initial reading is confirmed as an exceedence, the field technician marks the location in the field with a flag and it is noted on a field data sheet.  The instrument is then set back to the integrated monitoring mode and the grid traverse continues until the grid is completed.  Supplemental instantaneous measurements may be taken if the odor of landfill gas is detected or if evidence of landfill gas leakage is observed (e.g. significant cracks or distressed vegetation).  In this event, the field technician marks the location in the field with a flag and it is noted on the field data sheet.

All integrated and instantaneous measurements are stored along with their respective locations (coordinates) in the unit.  On completion of a grid, the instrument calculates grid integrated methane concentration and the integrated result is stored in the unit.  If the integrated concentration is greater than 25 ppmv, the field technician notes the grid ID on a field data sheet.  The daily field monitoring results are discussed with landfill maintenance personnel at the completion of each day and copies of the field data sheets are provided for reference.

Acme Landfill
Martinez, California
Project – Multiple Monitoring Services, Class I and III Landfills

Field Solutions personnel are currently providing a broad array of environmental monitoring services at the Acme Landfill.  Services relate to on-going operation of the Class III landfill and closure of the Class I landfill.  Field Solutions provides semiannual groundwater-monitoring, leachate-monitoring, and surface water sample collection at one active and two closed Parcels. Wells are sampled following the procedures outlined in the RCRA Groundwater Monitoring Technical Enforcement Guidance Document (Office of Solid Waste and Emergency Response 9950.1, September 1986).  The field parameters temperature, electrical conductivity, and pH, are measured for stability before the groundwater wells are sampled.  Dissolved oxygen, turbidity, and specific gravity measurements are also recorded during sampling. Field data, including field data sheets for each well, and laboratory chain-of-custody documentation is transmitted to the client at the end of each quarterly monitoring event.  Additional field services provided at the site include stormwater monitoring, health and safety training for landfill operations personnel, air quality testing, maintenance of wells during construction, and landfill gas monitoring.

Field Solutions personnel are responsible for optimizing gas extraction from 87 landfill gas wells and horizontal collectors at the Acme Parcels.  The wells are also operated in strict compliance Acme’s Major Facility Review Permit issued by the Bay Area Air Quality Management District.  Field Solutions personnel work closely with site personnel to ensure that site operation and maintenance records are kept in a format that facilitates ready compliance with a number of air pollution control district rules.

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West County Landfill
Richmond, California
Project – Multiple Monitoring Services, Class I and II Landfills

Field Solutions personnel are currently providing a range of environmental monitoring services at the West County Landfill.  Field Solutions provides semiannual groundwater-monitoring, leachate-monitoring, and surface water sample collection at the Class I and II facilities.  Wells are sampled following the procedures outlined in the RCRA Groundwater Monitoring Technical Enforcement Guidance Document (Office of Solid Waste and Emergency Response 9950.1, September 1986).  Low-flow well evacuation techniques (micropurging) have also been used at the site to collect samples for laboratory analysis.  The field parameters temperature, electrical conductivity, and pH, are measured for stability before the groundwater wells are sampled.  Turbidity is recorded during sampling. Field data, including field data sheets for each well, and laboratory chain-of-custody documentation is transmitted to the client at the end of each monitoring event.  Additional field services provided at the site include stormwater monitoring, health and safety plan preparation services for Class I closure activities, air quality testing, maintenance of wells during construction including well raising services, and landfill gas well testing and maintenance.

Cypress Environmental
San Jose, California
Project – Self Monitoring Program – Quarterly Groundwater Monitoring

Field Solutions team members provide groundwater-monitoring services at a former fuel storage site in San Jose, California.  Thirty-five monitoring wells are purged and sampled based on the levels of hazardous constituents measured during the previous events.  Parameters including temperature, electrical conductivity, and pH are measured for stability prior to the wells being sampled. Low-flow well evacuation techniques (micropurging) have also been used to collect samples for intrinsic bioremediation evaluation.  Samples collected are delivered to a State-certified laboratory for analysis.  Field data, including field data sheets for each well, and laboratory chain-of-custody documentation, is transmitted to the client at the end of each quarterly monitoring event.

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Crawford Consulting
San Jose, California
Landfill Gas System Optimization, Former Hellyer Landfill

Field Solutions team members provided landfill gas system optimization services at a closed landfill owned by the County of Santa Clara.  Services included evaluation of well field, landfill gas extraction, and landfill gas flare station components.  Poor system run times were ultimately attributed to a natural decline in gas production.  Field Solutions assisted in preparation of a less than continuous operation petition to the local air pollution control district that was subsequently granted.  Services currently provided at the landfill include routine quarterly testing of perimeter probes to ensure that landfill gas is not migrating to adjacent residential housing developments.

Confidential Client
Sunnyvale, California
Project – Extraction and Treatment System Operation and Maintenance

Field Solutions team members operated and maintained three groundwater extraction and treatment systems at a large semiconductor facility in Sunnyvale, California.  Duties include weekly readings of flow meters at extraction points; review and distribution of flow data; adjustments of pumping cycles to optimize flow from the extraction points; maintenance of the extraction systems, including leak repairs, filter replacements and pump repairs.  Duties also include sampling treatment systems process water; reviewing analytical results; estimating carbon breakthrough; and monitoring and scheduling carbon changes.

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Confidential Client
Sunnyvale, California
Project – Prepare Field Sampling and Analysis Guidance Manual

Field Solutions team members prepared sampling and analysis guidance manuals for three quarterly groundwater monitoring and extraction system programs at a large semiconductor facility in Sunnyvale, California.  The manuals included quality assurance objectives for the groundwater monitoring and remediation programs; mobilization procedures including equipment preparation and calibration, health and safety requirements; procedures used to collect groundwater samples from monitoring wells, extraction wells, and the treatment system; sampling documentation requirements; demobilization procedures including sample check-in and equipment decontamination; post-sampling field data reporting; and disposal of materials generated during well purging and sampling.  The manuals also contained summaries of methods and procedures used by the laboratory to analyze the samples; evaluations of field quality assurance data; and auditing requirements of the field and laboratory operations.

Confidential Client
Hayward, California
Project – Facility Closure

Field Solutions team members managed the closure of an aluminum anodizing facility in Hayward, California.  Duties included closure plan preparation and regulatory agency approval; site preparation and extremely hazardous waste removal; testing, profiling, segregation, and appropriate disposal of anodizing sludges and debris; decontamination efficiency testing; soil and groundwater assessment; negotiation of soil cleanup goals with state and local regulatory agencies; soil remediation; and preparation of a final closure report.  The client was issued a “no further action” letter from the lead enforcement agency.

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Confidential Client
San Jose, California
Project – RCRA Hazardous Waste Storage Area Closure

Field Solutions team members managed the closure of a Resource Conservation and Recovery Act (RCRA) hazardous waste storage area in San Jose, California.  Duties included closure plan review and revisions; site preparation; soil assessment, negotiation of soil clean-up goals with local agencies; and preparation of a final closure report.  The client was issued a “no further action” letter from the lead enforcement agency.

GTE
Mountain View, California
Project – Facility Demolition

Field Solutions team members managed groundwater monitoring well abandonment, groundwater testing, and fluorescent light tube/PCB ballast removal and recycling, for GTE in Mountain View, California.  Duties included groundwater sampling of wells prior to abandonment, construction oversight during well abandonment, and removing and recycling of PCB ballast and fluorescent light tubes to licensed facilities.

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Confidential Client
Oakland, California
Project – Waste Removal and Characterization

Field Solutions team members managed the removal of 5,000 tons of sandblast grit from a facility in Oakland, California.  The overall objective was to execute a grit removal plan developed by the site owner.  Duties included overall project management, identification of areas for removal, characterizing the removed material for disposal, soliciting transportation and disposal bids from permitted facilities, completing transportation and disposal documentation, documenting project activities, and preparing a removal action completion report.  Duties also included preparing a health and safety plan for the removal action, performing ambient air monitoring during removal activities, and photodocumenting the site during and after the removal activities.

Pacific Gas and Electric (PG&E)
Moss Landing, California
Project – Industrial Hygiene and Monitoring

Field Solution team members provided industrial hygiene, field monitoring, and construction management services during a site investigation at a PG&E power plant in Moss Landing, California.  Field Solution health and safety services included reviewing and commenting on the project health and safety plan; conducting tailgate safety meetings; providing respirator fit tests for project personnel; maintaining personal protective equipment such as self contained breathing apparatus (SCBA); and monitoring confined space entry procedures.  Field Solutions also setup and maintained decontamination zones; performed ambient air testing with a flame ionization detector (FID) and colormetric detection tubes; and monitored construction zone access during the site activities.

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Cypress Environmental
San Jose, California
Project – Soil Sampling Services

Field Services team members provided soil characterization services at a site in Belmont, California.  Duties included updating a health and safety plan for the field tasks, hand auguring borings, soil sampling; and grab groundwater sampling.  Field Solutions collected ten soil samples up to ten feet below ground surface to characterize the subsurface conditions of the soil beneath the site.  Following soil sampling activities, Field Solutions collected groundwater grab samples from the hand augered borings to determine if the shallow groundwater beneath the site had been impacted.

Bechtel
Sunnyvale, California
Project – Sampling and Analysis Services

Field Solutions team members provided sampling and analysis services during a Highway widening project in Mountain View, California.  Field Solutions collected samples from an unknown substance and performed a hazardous waste determination on the material for purposes of worker safety and material disposal.  Duties included sample collection; field testing of material; interpretation of laboratory results; and identification of disposal options.

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