Ark Engineering Services Inc.

Environmental & Engineering Professionals

(317) 787-3700

Project Examples

Project #1: Multiple Contaminant Impacted Site

Project Type: Phase II Soil, Groundwater, and Vapor Assessment and Remediation
COC: Gasoline, Diesel, TCE, PCE, Lead
Location: South Bend, Indiana

Project #1: Multiple Contaminant Impacted Site

Project Type: Phase II Soil, Groundwater, and Vapor Assessment and Remediation
COC: Gasoline, Diesel, TCE, PCE, Lead
Location: South Bend, Indiana

Ark was retained by a private client to conduct a soil, groundwater, and soil vapor assessment and remediation services at an environmentally impaired property in South Bend, Indiana. The property is located in a residential/commercial area adjacent to a railroad line. Several Geoprobe® investigations consisting of the completion of on and off-site soil borings were completed to determine subsurface soil and groundwater conditions. Soil and groundwater analytical results indicated that the subsurface was impacted with a mixed plume of diesel, gasoline, TCE, PCE, and lead. The dissolved phase plume migrated off-site over two (2) city blocks and impacted multiple properties including multiple private residences, a church, and a commercial facility. The dissolved phase plume was delineated and site characterization was approved by IDEM. Site characterization included the installation of thirty-three (33) permanent monitoring wells, access and permitting to work on off-site properties, and soil vapor monitoring. Free phase petroleum hydrocarbons (free product) were encountered in seventeen (17) out of thirty-three (33) monitoring wells ranging in thickness in excess of 1.5 feet. The site was deemed high priority emergency response by IDEM. A high vacuum total fluids extraction system was designed and installed by Ark to remove free product beneath the site and surrounding area. Currently, there is no free product present in any of the thirty-three (33) monitoring wells; therefore, IDEM issued a request to decommission the on-site remediation system, continue groundwater monitoring, and develop a closure strategy for the site.


Project #2: Heavy Metal Impacted Site

Site Name: Atterbury Fish and Wildlife Area
Project Type: Phase II Lead Assessment
COC: Lead
Location: Edinburgh, Indiana

Project #2: Heavy Metal Impacted Site

Site Name: Atterbury Fish and Wildlife Area
Project Type: Phase II Lead Assessment
COC: Lead
Location: Edinburgh, Indiana

Ark was selected by the Indiana Department of Natural Resources (IDNR) to perform a Phase II ESA at the Atterbury Fish and Wildlife Area: Sergeant Joseph E. Proctor Memorial Shooting Range to establish baseline lead and pH conditions and to determine if previous shooting range activities impacted the surrounding soil and groundwater. The Phase II ESA consisted of the installation and development of three (3) two (2) inch monitoring wells using split spoon technology, subsurface and surface soil sampling, and collection of groundwater samples over an area of approximately eleven (11) acres. Two (2) monitoring wells were located up-gradient of the shooting range, and one (1) monitoring well was located down-gradient. Monitoring wells were installed to depths ranging between thirty-six (36) and forty-five (45) feet. Groundwater samples were collected from each monitoring well using a micro purge low flow sampler and analyzed for total lead and dissolved lead. Soil samples were collected at various on and off-site locations throughout the trap and skeet range and rifle and pistol range for pH, total lead, and percent moisture. A detailed report documenting the results of the groundwater and soil sampling event was prepared and submitted to the IDNR. The results of the Phase II lead assessment provided IDNR with background soil and groundwater lead concentrations and pH levels and monitoring wells to assess the impact of future shooting range operations.


Project #3: Petroleum Impacted Industrial Site

Site Name: Sara Lee Corporation (former Earthgrains facility)
Project Type: Phase II Soil, Groundwater, Free Product Assessment and Remediation
COC: Diesel
Location: Indianapolis, Indiana

Project #3: Petroleum Impacted Industrial Site

Site Name: Sara Lee Corporation (former Earthgrains facility)
Project Type: Phase II Soil, Groundwater, Free Product Assessment and Remediation
COC: Diesel
Location: Indianapolis, Indiana

Ark was retained by the Sara Lee Corporation to perform environmental services at the former Earthgrains facility located on the east side of Indianapolis, Indiana. The site was impacted with diesel fuel, and free product was present in multiple on and off-site monitoring wells with thicknesses ranging from approximately 0.20 feet to 8.00 feet. Free product was determined to be migrating within a confined sand aquifer under artesian conditions at a depth of approximately twenty (20) feet below ground surface and had moved below the foundation of the on-site warehouse building and on the off-site property to the south. Site characterization activities included Geoprobe® investigation to determine the source of contamination and delineate the free phase, dissolved phase, and adsorbed phase hydrocarbon plumes. Site characterization involved retaining access to nearby commercial and manufacturing facilities. Ark was also able to gain access to the CSX rail line located west of the property. In an effort to effectively recover free phase hydrocarbons, Ark prepared a corrective action plan (CAP) addendum and received IDEM approval to convert the existing on-site remediation system into a high-vacuum total fluids extraction recovery system. Once converted, the retrofitted remediation system was effective at extracting free product from below the warehouse building and on and off-site locations with minimum interruption to the facility’s daily operations. Presently, Ark is performing remediation services at the facility which include the removal of free product directly from monitoring wells using high vacuum extraction. The number of wells containing free product and the product thickness has been greatly reduced since Ark began remediation activities using a high vacuum extraction system. Closure activities are estimated to be completed within one (1) year.


Project #4: Jet Fuel Impacted Site

Site Name: FAA Indianapolis International Airport (Multiple Fuel Areas)
Project Type: Phase II Soil, Groundwater, and Vapor Assessment and Remediation
COC: Jet Fuel
Location: Indianapolis, Indiana

Project #4: Jet Fuel Impacted Site

Site Name: FAA Indianapolis International Airport (Multiple Fuel Areas)
Project Type: Phase II Soil, Groundwater, and Vapor Assessment and Remediation
COC: Jet Fuel
Location: Indianapolis, Indiana

Ark was retained by the Indianapolis Airport to assess soil and groundwater conditions at refueling areas due to a pipeline release of an unknown quantity of jet fuel and a leaking UST system. The site was previously used as a jet fuel drop off location and storage area consisting of a 1-million gallon aboveground storage tank (AST), and a 1.5-mile jet fuel pipeline connecting the AST to two (2) 50,000 gallon USTs. Each fuel area was located within a fenced, patrolled area and required security clearance to enter. Investigation activities indicated that the jet fuel pipeline release impacted on and off-site soil and groundwater and a storm water swale via subsurface drainage and free product was present. Due to the severity of the releases, CAP preparation and implementation were immediately required. During investigation/remediation activities, the fuel areas were operational and supplying approximately 1 million gallons of jet fuel per day with no permissible downtime. Ark worked closely with the Federal Aviation Authority (FAA) and local airline tenants to obtain access to install wells for monitoring and remediation activities with little disturbance to the airports daily activities. Due to the presence of multiple strand fiber optic lines that were connected to the airport’s control tower, a high level of caution and accuracy was required as part of subsurface investigation/remediation activities. Based on contaminant conditions, a MPE system was installed at one facility, and a Biovent system was installed at another facility. System installation at both fuel areas was completed in a timely manner and within budget. Currently, free product is no longer present at either fueling area, dissolved phase concentrations are below IDEM’s default closure levels, and confirmatory soil samples are scheduled to be collected prior to site closure.


Project #5: Hazardous Waste Site

Client: Community Development Corporation
Site Name: Central Avenue Site (Former Drycleaners)
Project Type: Phase I; Phase II; Geophysical Survey; Exploratory Excavation; Hazardous Waste Characterization and Disposal; and UST Closure
COC: TPH, PCE, VOCs
Location: Indianapolis, Indiana

Project #5: Hazardous Waste Site

Client: Community Development Corporation
Site Name: Central Avenue Site (Former Drycleaners)
Project Type: Phase I; Phase II; Geophysical Survey; Exploratory Excavation; Hazardous Waste Characterization and Disposal; and UST Closure
COC: TPH, PCE, VOCs
Location: Indianapolis, Indiana

A local Community Development Corporation (CDC) received funding from the United States Department of Housing and Urban Development (HUD) for six (6) parcels to determine if soil and/or groundwater were impacted from previous site usage. Ark was retained by the CDC to conduct a Phase I ESA to determine if any RECs existed for the selected parcels. Based on the findings of the Phase I ESA, it was determined that several parcels were previously used as a large drycleaning operation and required further assessment. Ark conducted a Phase II ESA which consisted of the completion of thirteen (13) Geoprobe® soil borings, installation of temporary monitoring wells to determine groundwater flow direction, field screening, soil and groundwater sampling, and laboratory analysis. Based on laboratory analytical results, TPH, tetrachloroethene (PCE), VOCs, and CVOCs were detected in soil and groundwater in excess of IDEM’s default closure levels. Based on the results of the Phase II subsurface investigation, Ark recommended further investigation including a geophysical survey to identify potential orphaned underground storage tanks (USTs) and/or buried drums which may be a possible source of soil and groundwater contamination at the Site. The survey included mapping the entire Site utilizing electromagnetic metal detection (EMD) and a global positioning system (GPS) receiver resulting in comprehensive characterization. Results of the geophysical survey indicated multiple anomalies and Ark recommended exploratory excavation to investigate the anomalies and potential contents of the objects. During exploratory excavation activities, Ark identified five (5) abandoned USTs containing hazardous waste. Samples of the waste were collected by Ark adhering to strict health and safety precautions and submitted for extensive laboratory analysis to ensure proper handling and disposal of the waste. Upon approval from a hazardous waste disposal facility, Ark coordinated the disposal of the waste and permanent closure of the USTs adhering to all applicable local, state, and federal rules and regulations. Ark personnel worked closely with IDEM’s UST and Brownfields Sections as well as the Client to achieve project goals in a timely manner and within budget.


Project #6: Petroleum Impacted Gas Station Site

Client: Retail Gasoline Company
Site Name: Multiple Fueling Stations
Project Type: Phase II Soil and Groundwater Assessment and Remediation
COC: Gasoline and Diesel Constituents
Location: Central and Northern Indiana

Project #6: Petroleum Impacted Gas Station Site

Client: Retail Gasoline Company
Site Name: Multiple Fueling Stations
Project Type: Phase II Soil and Groundwater Assessment and Remediation
COC: Gasoline and Diesel Constituents
Location: Central and Northern Indiana

Twenty-seven (27) Phase II Environmental Site Assessments were conducted for B&R/Atlas Oil as part of potential real estate transactions. The sites were active refueling stations located in central and northern Indiana. Each ESA was conducted in general conformance with the scope and limitations of the ASTM Standard for Environmental Site Assessments: Phase II Environmental Process, designation E1903-97 (2002) to evaluate RECs at the sites. All of the investigations were completed within the time frame of one month as specified by the client. As a result of the subsurface investigations seventeen (17) sites required no further action. Ten (10) sites were found to contain COC concentrations above closure levels outlined by the state regulatory agency.

B&R/Atlas Oil retained Ark to remediate the ten (10) sites found to contain COCs in excess of the state closure levels. For each of the sites, Ark has completed site characterization, designed and implemented remediation technology, completed quarterly groundwater monitoring, and maintained operation of remediation systems. Throughout the process, Ark has worked with the Client and IDEM to determine and implement the most cost-effective site specific remediation technology.


Project #7: Petroleum and RCRA Metals Impacted Site

Client: Anonymous
Site Name: Anonymous
Project Type: Phase I, Phase II, Vapor Intrusion, Geophysical Survey, and Remediation
COC: TPH, BTEX, MTBE, Naphthalene, and RCRA Metals
Location: Indiana

Project #7: Petroleum and RCRA Metals Impacted Site

Client: Anonymous
Site Name: Anonymous
Project Type: Phase I, Phase II, Vapor Intrusion, Geophysical Survey, and Remediation
COC: TPH, BTEX, MTBE, Naphthalene, and RCRA Metals
Location: Indiana

A Phase I ESA was conducted in March of 2005 at the Site as part of a potential real estate transaction of an active re-fueling station and convenience store. On June 6, 2005 Ark conducted a Phase II ESA to determine subsurface conditions at the site and surrounding area. Laboratory analytical results indicated that soil and groundwater had been adversely impacted with BTEX, MTBE, PAHs, arsenic, and lead. In addition, free product was encountered within the backfill of the Town’s sanitary sewer system. On June 14 and 15, 2005 Ark conducted an Initial Site Characterization (ISC) investigation to determine the nature and extent of hydrocarbons encountered during the Phase II ESA and install permanent groundwater monitoring wells. Multiple soil vapor and vapor intrusion (VI) studies were conducted at the site and nearby residence to determine if hydrocarbon vapors were present beneath the building slabs, within crawl spaces, and/or within the residential homes/site buildings. A benzene vapor concentration in excess of IDEM’s prompt action level was detected within the sanitary sewer system. Three (3) Further Site Investigations were completed to delineate the subsurface impact of petroleum hydrocarbons. A geophysical survey was conducted to identify an unknown metal object encountered during drilling activities and to determine if any other unknown metal objects existed beneath the site. The results of the geophysical survey indicated that a former UST and associated piping may exist beneath the site. Following submittal of findings from the FSIs to IDEM, Ark received site characterization approval and submitted a CAP. The CAP has been approved and corrective action implementation is ongoing. As part of corrective action, Ark has removed over 3,000 tons of petroleum impacted soil and properly closed five (5) abandoned USTs encountered during excavation. Ark is currently implementing further corrective action to address the dissolved phase hydrocarbon plume via groundwater extraction and treatment with an on-site remediation system designed by Ark. Ark continues to closely monitoring the hydrocarbon plume, potable wells in the area, and VI levels at nearby residences. Based on the site conditions, the site is deemed a high priority emergency response by IDEM and is 100% eligible for reimbursement by the Excess Liability Trust Fund (ELTF) Section.


Project #8: Regulatory Compliance

Client: City of Indianapolis
Site Name: Multiple Sites
Project Type: Tier 2 Chemical Reporting
Location: Indianapolis, Indiana

Project #8: Regulatory Compliance

Client: City of Indianapolis
Site Name: Multiple Sites
Project Type: Tier 2 Chemical Reporting
Location: Indianapolis, Indiana

The City of Indianapolis Department of Public Works (DPW) contracted Ark to complete annual Tier 2 Chemical Reporting at ten (10) facilities located throughout Marion County, Indianapolis, Indiana. The Tier 2 Chemical Reports are prepared in accordance with all rules and guidelines established in the Superfund Amendment and Reauthorization Act (SARA) Title III. During the site inspections, hazardous substances (HS) and extremely hazardous substances (EHS) are identified and indicated on the detailed site map. On-site Material Safety Data Sheets (MSDS) are reviewed for completeness and the Local Emergency Planning Committee (LEPC) and local Fire Departments are notified of HS and EHS stored at each facility. The report preparation includes a brief site description, federal and state Tier 2 reporting requirements, a completed non-confidential location information form (State Form 52015), a United States Geological Survey (U.S.G.S.) Topographic Map, and Site Plan.


Project #9: Stormwater Pollution Prevention

Client: Anonymous
Site Name: Commercial Trucking Terminal
Project Type: Storm Water Pollution Prevention Plan and Regulatory Compliance
Location: Indianapolis, Indiana

Project #9: Stormwater Pollution Prevention

Client: Anonymous
Site Name: Commercial Trucking Terminal
Project Type: Storm Water Pollution Prevention Plan and Regulatory Compliance
Location: Indianapolis, Indiana

A national transportation company requested Ark to prepare a Storm Water Pollution Prevention Plan (SWP3) for their satellite terminal located on the west side of Indianapolis, Indiana in order to perform fueling operations at the facility. Prior to preparing the SWP3, a Notice of Intent (NOI) was prepared and submitted by Ark to the Indiana Department of Environmental Management (IDEM). The NOI was reviewed, a Notice of Sufficiency (NOS) was issued, and a SWP3 was requested by IDEM.

The SWP3 was prepared by Ark following the November 26, 2003 revised version of the Rule 6 National Pollutant Discharge Elimination System (NPDES) general permit for Storm Water Runoff Associated with Industrial Activity. The Standard Industrial Classification (SIC) Code for the facility was 4213, trucking except local, in which vehicle maintenance and fueling occurred at the facility.

This SWP3 was prepared in accordance with all requirements listed in 327 IAC 15-6-7 and the requirements in the September, 1992 EPA guidance document “Storm Water Management for Industrial Activities – Developing Pollution Prevention Plans and Best Management Practices”. As part of the SWP3, Ark developed a Site Plan and Site Vicinity Topographic Map. The Site Plan included, but was not limited to, all bodies of water within one (1) mile of the site, arrows depicting surface water flow direction, all on-site outfall locations, outfall discharge points, and utilities. A checklist (State Form 51287) was also completed for submittal to IDEM for permit coverage under a general NPDES permit pursuant to 327 IAC 15-6.


Project #10: TCE and Diesel Impacted Site

Client: Anonymous
Site Name: Laundromat
Project Type: Phase II and remediation
Location: South Bend, Indiana

Project #10: TCE and Diesel Impacted Site

Client: Anonymous
Site Name: Laundromat
Project Type: Phase II and remediation
Location: South Bend, Indiana

Ark Engineering was retained by a real estate client to investigate and remediate a TCE and diesel impacted site. The impacted site had as much as two feet of petroleum product in thirteen of twenty three wells installed in a two city block radius. The complexity of the project involved a fast moving product in sand mixed with a sinking DNAPL plume. Of prime importance to the project was the protection of health and safety of several immediately adjacent residential homes, a school, and a church down-gradient of the plume.

The Indiana Department of Environmental management issued a high priority emergency response status that required non stop immediate containment and recovery of the plumes. Ark was presented with the challenge of conducting a pilot study, design of the recovery system, and implementation.

Ark completed the entire recovery system including installing recovery lines with six extraction wells, permitting for discharge, permit for road cut, offsite access, electric power to the site, and system startup within eight weeks. Ark implemented the first touch screen operated, remote monitoring system in the state of Indiana. Ark also introduced the first air cooled claw pumps that required significant low maintenance compared to oil cooled liquid ring pump. The remediation at this site was completed and presently undergoing closure procedures.


  

Copyright © 2010 Ark Engineering Services Inc. All rights reserved
Indianapolis Website Development by SFP