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HomeMy WebLinkAbout19049_Regal_Mfg_Analysis_Cleanup_Alt_20100930&Hickman 860 I Si:x Forks Road Suite 400 Raleigh. NC 27615 919-8~ 7-4:2~ I 29:23 South Tryon Street Suite 100 Charlou..::, NC 28:203 70~-586-0007 -( -_::..!_~ i ~-, I ..! •. Analysis of Brownfields Cleanup Alternatives Former Regal Manufacturing 212 12th A venue NE Hickory, North Carolina H&H Job No. HIC-001 September 30, 2010 Section Analysis of Brownfields Cleanup Alternatives Former Regal Manufacturing Hickory, North Carolina II&II Job No. IDC-001 September 30, 2010 Table of Contents Page No. 1.0 Introduction and Background .......... HHUUUHUUUOOOOOOIOUUUUnUUUUU•U•nuu ........... ~u··········· ........... 2 1.1 Site Description .................................................................................................................... 2 1.2 Site History ........................................................................................................................... 3 2.0 Summary of Site Characterization and Environmental Impacts ........................................... 4 2.1 Previous Enviromnental Investigations ............................................................................... 4 2.2 Site Lithology ....................................................................................................................... 4 2.3 Site Ground Water Flow Direction ...................................................................................... 5 2.4 Characterization of Enviromnental hnpacts ........................................................................ 5 2.4.1 Soillmpacts ............................................................................................................ 6 2.4.2 Ground Water Impacts ........................................................................................... 7 3.0 Cleanup Goals and Objectives .................................................................................................... 8 3.1 Soil Cleanup Goals ............................................................................................................... 8 3.2 Ground Water Cleanup Goals .............................................................................................. 9 4.1 Cleanup Altematives Development ................................................................................... 11 4.1.1 Soil Alternatives .................................................................................................. 11 4.1.2 Ground WaterNapor Intrusion Alternatives ....................................................... l2 4.2 Ground Water Encmmtered During Construction ............................................................. l5 4.3 Newly Discovered Impacted SoiL ..................................................................................... 15 4.4 Institutional and Engineering Controls .............................................................................. 15 4.5 Proposed Remedial Actions ............................................................................................... 16 5.0 SchedUICunH•u••••••uuo•o•ouuuuuu .. •••uuuuuuonHI~•u••••••u••••••unuuuoua••nnonuuuuuu,. .... ,. .. ,._. .. ,, ••••••••••••• 20 6.0 References .................................................................................................................................... 21 Table 1 Table2 Table 3 Table 4 Table 5 Figme 1 Figure 2 Figure 3 Figure 4 Figure 5 List of Tables Monitoring Well Construction and Water Level Summary Summary of Soil Analytical Data Summary of Ground Water Analytical Data Vapor Intrusion Modeling Results Cleanup Cost Summary List o fl;'igures Site Location Map Site Plan and Sample Locations Map Ground Water Potentiometric Map Soil Analytical Results Map Ground Water Analytical Results Map List of Appendices Appendix A Historical Gaia Tech Assessment Documents ll S-\AAA-Master Projcct~\Hickmy I1lOI-llC-OO! BwwnJ'.<JJd A'lse!<sment\Sltes\P!m~e ITs\fu:gal\ABCA\Rxgal ADCAdoc Hart & Hickman, PC Analysis of Brownfield Cleanup Alternatives Former Regal Manufacturing Hickory, North Carolina H&H Job No. IDC-001 1.0 Introduction and Back,<>round Hart & Hickman, PC (H&H) has prepared this Analysis of Brownfield Cleanup Alternatives (ABCA) fur the Fonner Regal Manufacturing located in Hickory, Catawba County, North Carolina on behalf of the City of Hickory under the City's US EPA Region 4 Brownfield Assessment Grant (BF-96489707). This ABCA report was prepared to identizy and evaluate cleanup alternatives to mitigate potential risks to human health and the environment from identified environmental impacts at the site. 1.1 Site Description The subject site is located at 212 12'h Avenue NE in Hickory, North Carolina (Figures 1 and 2). The property is comprised of four parcels totaling approximately 2.64 acres. Three parcels (2.03 acres) are located between 12'h A venue NE and 11th Avenue l'.'E and they are occupied by the former manufacturing area. One parcel contains an approximate 47,000 sq ft vacant building, one parcel contains an asphalt-paved parking area, and one parcel contains an approximate 2,000 sq ft vacant building. The fourth parcel is located south of 11th Avenue NE (306 11 "' Avenue l\"E) and it contains an asphalt-paved parking area sunounded by a fence. Although no finn plans have been generated for site redevelopment, it is anticipated the site will be redeveloped commercial or light industriaL 2 Hart & Hickman, PC 1.2 Site History The subject site was first developed as a hosiery mill in 1956 and was then comprised of the two westernmost buildings (former machine shop and former cotton yarn manufacturing buildings), which are now incorporated into the current manufacturing building (Figure 2). The larger eastern building (former elastic yarn manufacturing warehouse) was added by Regal sometime in the 1960s or early 1970s. The former aiT compressor building has been present since at least 1961, and it was formerly operated as an automotive repair facility in the 1960s. The asphalt- paved parking area was added sometime in the 1960s and has served only as a parking lot. Various textile companies occupied the manufacturing buildings between the 1950s and 1960s. The companies included the Reaco Hosiery Mills, Madaris Hosiery Mill, The Elastic Corporation, and Realspan Corporation before becoming Regal Manufacturing in the 1960s. Regal used the facility to manufacture hosiery and cover elastic until 1999. The site buildings have been vacant since 1999. 3 2.0 Summary of Site Characterization and Environmental Impacts 2.1 Previous Environmental Investigations Recent reports and project plans for the site prepared by H&H as part of the Brownfields assessment activities include: • Quality Assurance Project Plan for Brownfields Assessment, October 19,2009. • Brownfield Phase II Site Assessment Report, June 1, 2010. ln addition, three previous reports were prepared for the site by Gaia Tech, Inc. (GaiaTech) prior to the Brownfields assessment activities: • Phase I Environmental Site Assessment (ESA), November 18,2001. • Focused Phase II Investigation Letter of Findings, January 2, 2002. • Limited Phase II Site Investigation, June 2007. 2.2 Site Lithology The description of lithology in this ABCA is based on the subsurface activities conducted during the Brownfield site assessment activities remedial in January and March 2010 and previous investigations conducted in 2007 by GaiaTech. During the 2010 Brownfield site assessment activities, a total of nine soil borings were advanced at locations across the site using a direct push technology (DPT) rig. Three of the soil borings were converted into monitoring wells (TW- 1 through TW-3). Soil borings and monitoring wells installed by H&H and otl1ers are shown on Figure 2. The assessment results are discussed in Sections 2.4.1 and 2.4.2. Based on investigation activities conducted at the site, the lithology generally consists of orange to brown sandy silts to silty sands. The depth to partially weathered rock ranges from approximately 38 to 45 feet below grmmd surface (bgs). Competent bedrock was not encountered during the Brownfield site assessment activities. According to the North Carolina 4 Hart & Hickman, PC Geological Survey 1985 Geologic Map of North Carolina, bedrock in the area of the subject property is characterized as mica schist. 2.3 Site Ground Water Flow Direction Ground water at the site was investigated thorough the installation of three temporary ground water monitoring wells, and sampling four existing permanent monitoring wells installed by Gaia Tech in 2007. Well construction details and calculated ground water elevations are provided in Table 1. Ground water ranged in depth across the site from approximately 31 feet bgs to 41 feet bgs during the water level survey conducted on January 22, 2010. A ground water elevation contour map was generated from the January 2010 data to evaluate ground water flow direction at the site (Figme 3). Grotmd water elevations obtained from the site monitoring wells infer a shallow ground water flow direction to the southwest. This is consistent with the topographic gradients in the area. 2.4 Characterization of Environmental Impacts Environmental impacts at the site are characterized based on a review of 2007 assessment data collected by GillaTech and the results of the Brownfield Phase II Site Assessment condueted by H&H in January and March 2010. Key fmdings of the assessment activities are summarized below. 1be Brownfield Phase IT assessment sample locations are provided on Figure 2. The results of the soil analyses are summarized in Table 2 and on Figure 4, and the results of the grotmd water analyses are summarized in Table 3 and on Figme 5. Copies of pertinent portions of Gaia Tech's assessment doctm1ents are provided in Appendix A. 5 2.4.1 Soil Impacts 2002 Focused Phase II Investigation Soil Results The 2001 GaiaTech Phase I ESA indicated that a former gasoline underground storage tank (UST) was reportedly removed from the western side of the property in the late 1980s. No closure documentation is available for the removal activities. To assess site impacts from the former UST, Gaia Tech collected four soil samples in the vicinity of the former UST during the January 2002 focused Phase II Investigation. Soil samples were analyzed for gasoline range total petroleum hydrocarbons (TPH-GRO), volatile orgaaic compounds (VOCs), and lead (no ground water samples were collected). No VOCs or TPH- GRO concentrations were detected in soil samples above the laboratory detection limits, and lead was detected at concentrations within the EPA published background concentration range. 2007 Limited Phase lT Site Investigation Soil Results GaiaTech collected eight soil samples and seven ground water samples at the site as part of the Limited Phase II Site Assessment activities in 2007. No soil impacts were detected in the soil samples. Brownfield Phase II Site Assessment Soil Results Results of 2010 Brownfield assessment activities indicate PCE and TCE were detected in soil sample SB-9 (2-4') at concentrations above NCDENR's Inactive Hazardous Sites Branch (IHSB) Health-Based Soil Remediation Goals (SRGs), January 2010. In addition, the detected PCE concentration in SB-9 (2-4') also exceeded the USEPA Industrial Soil Regional Screening Level (RSL) presented in the USEPA RSL Master Table Update (May 2010). No other VOCs were detected in SB-9 and no VOC compounds were detected above the soil screening criteria in any of the remaining soil samples. Additionally, no SVOC compounds were detected above the soil screening criteria in any of the soil samples. 6 Arsenic was detected at a concentration above its soil screening criteria in the shallow soil samples (up to 16 mg/kg). However, the detected arsenic concentmtions were within the published KC background concentration range. It is important to note that during the Brownfield Phase II Site Assessment, a suspected heating oil UST was discovered beneath the southwestern buililing walL At the request of the property owner, no samples were collected in the vicinity of the UST during H&H's Brownfield Phase II Site Assessment 2.4.2 Ground Water Impacts 2007 Limited Phase II Site Investigation Ground Water Results GaiaTech's 2007 ground water analytical results inilicated PCE concentrations as high as 280 Jlg/l and TCE concentrations as high as 58 Jlg/1 in the southwestern corner of the property. Ko grourtd water impacts were detected in the ground water samples collected along the northern, western, and eastern property boundaries. Brownfield Phase II Site Assessment Ground Water Results H&H's 2010 Brownfield assessment results for ground water indicate PCE was detected at concentrations above the 2L Standard in monitoring wells MW-1, MW-2, TW-1, and TW-2. Additionally, TCE was detected at a concentration above the 2L Standard in monitoring well MW-2. Ko VOCs were detected in MW-3, MW-4, and TMW-3. Additionally, SVOCs were not detected in any of the samples analyzed. Manganese was detected above its 2L Standard in monitoring wells MW-1, MW-2, MW-4, TW~ 2, and TW-3. The basis for the 2L Standard is the EPA Secondary MCL for manganese. Secondary MCLs are based on aesthetic qualities such as color, taste, odor, etc. The presence of manganese in ground water at the site is believed to be naturally occulTing at all well locations with the possible exception ofTW -2. 7 S;\AA,\.MMter Proj«tz\Hu:i:ul)' HlC\lllC-00 I Browu(eld Assei511ettt\Sii<::$\Plww.lls\Re-.;tal\Al3CA\Regal ABCA.doc Hart & Hickman, PC 3.0 Cleanup Goals and Objectives The primary cleanup objective for the site in the context of a Brownfields redevelopment is to reduce or prevent potential risk to future site workers engaged in redevelopment efforts, and future users of the site after redevelopment. Primary coneems are related to the potential for exposure of these populations to contaminants identified in site shallow soil, ground water, and/or vapors. Although no firm plans have been generated for site redevelopment, it is anticipated the site will be redeveloped commercial or light industriaL Therefore, H&H has established cleanup objectives based on available site information and based on conservative assumptions of future site uses including commercial or light industrial. If residential uses were to be planned for the site, more stringent cleanup goals will likely apply. 3.1 Soil Cleanup Goals As previously discussed, a suspected heating oil UST was discovered during H&H's Brownfield Phase II Site Assessment. The suspected heating oil UST should be assessed and closed in place or removed in accordance with NC DENR UST Section requirements. The cleanup goals pertaining to the suspected UST at the site are based on DENR, Underground Storage Tank Section Guidelines for Site Checks, Tank Closure, and Initial Response and Abatement, December I, 2008. The UST guidelines address UST closure, release response, and abatement activities that would apply to UST closure at the site. The UST guidelines also establish maximum soil contaminant concentrations (NISCCs) for different exposure pathways. Based on available site data, H&H believes that the DENR UST Section will classify the potential UST release, if any, as low risk. With a low risk classification of the UST release, the remedial goals for soil are based on ingestion values for a given site user (i.e., residential or industriaVcommercial). Since the future site use is anticipated to be commercial, the applicable 8 Hart & Hickman, PC soil cleanup goals for potential petroleum impacted soil detected at the site are the UST Section industrial/commercial MSCCs. As discussed in Section 2.4.1, PCE and TCE exceed the Health-Based SRGs in soil sample SB-9 (2-4'). In addition, PCE also exceeds the USEPA Industrial RSL in SB-9 (2-4'). Based on the anticipated future land use of commercial or light industrial, the recommended soil cleanup goals to address the remediation of shallow PCE and TCE impacted soil in the vicinity of soil boring SB-9 are the USEP A Industrial RSLs. This recommendation is premised on the expectation that redevelopment at this property will be conducted tmder the NCDENR Brownfields Program. During site redevelopment, impacted soil also may be encmmtered in other areas. Cleanup goals for these currently unidentified impacted soil areas should be based on appropriate regulations. 3.2 Ground Water Cleanup Goals Analytical data for ground water samples collected during the Brownfield Phase II Site Assessment indicated the presence of PCE, TCE, and manganese in certain monitoring wells in excess of their respective NC 2L Ground Water standards. Ground water at the site and surrounding area is not used as a source of drinking water. In addition, due to the depth of ground water (approximately 31 to 4 I feet bgs), it is not anticipated that ground water would be encountered during site construction activities. As a result, gronnd water does not pose a drinking water risk to future site occupants or a dermal contact risk to future site construction/utility workers. During the Brownfield Phase II Site Assessment, an evaluation of the risk of vapor intrusion for the current and future site buildings indicated that concentrations of PCE in ground water in the vicinity of MW-1, MW-2, and TW-2 are sufficiently elevated to pose a potential vapor intrusion risk to future site occupants. These findings are summarized on Table 4. The evaluation utilized the Johnson-Ettinger model, OW-ADVANCED, Version 3.1 dated February 2004. Vapor 9 Hart & Hickman, PC intn1sion modeling indicated PCE represents a potential vapor intrusion risk of 2.1 x 10-5 to occupants if a building were constructed above monitoring well MW-2. Alternatives to mitigate vapor intrusion concerns above MW-2 are discussed in Section 4.0. To assess potential vapor intrusion concerns within the site buildings situated hydraulically upgradient of MW -2, a site-specific Acceptable Ground Water Concentration for the former elastic yam manufacturing building was back -calculated to represent a conservative lifetime incremental cancer risk (LICR) of 1 x 10-5• The iterative back-calculation indicated a ground water PCE concentration of 300 Jlg/1 or lower represents an acceptable vapor intnJSion risk for the building. Because PCE has not been detected above 300 Jlg/1 in any monitoring wells located inside or immediately outside the site buildings, it is judged that the vapor intmsion risk is at acceptable levels within the existing site buildings. 10 4.0 Cleanup Alternatives Analysis 4.1 Cleanup Alternatives Development Based on the evaluation of assessment findings presented in this ABCA and our current tmderstanding of the future site uses, H&H developed potential cleanup alternatives for the suspected heating oil UST; shallow PCE impacted soil in the vicinity of soil boring SB-9; and ground water in the vicinity of MW-2 impacted with PCE (in the event a building were to be constructed above MW-2). Alternatives for managing these potential sources are discussed below. 4.1.1 Soil Alternatives No Action A no-action alternative must be considered as part of the ABCA process and is a viable option for impacted soil near soil boring SB-9 as discussed below because this area is currently capped with asphalt and/or concrete. The no-action alternative is not judged to be a viable alternative for the suspected heating oil UST because the nature and extent of a release, if any, is not yet !mown. Source Removal and Off-Site Disposal Source removal and off-site disposal of impacted shallow soils eliminates the potential for site worker and future site user exposure to impacted soil and allows for meeting more conservative residential soil cleanup standards. Source removal and off-site disposal may be a viable remedial alternative for impacted shallow soil near soil boring SB-9. Due to the isolated occurrence of PCE and TCE soil impacts, arsenic impacts within the published NC backgTotmd concentrations, and anticipated future use of the site, somce removal and off-site disposal of impacted soil is not judged to be the most eost-effective remedial altemative. Separately, excavation and disposal of impacted soil from cunently unidentified sources may be necessary if such soils are encounteTed during potential future construction activities. 11 Source removal and off-site disposal may be a viable remedial alternative for potential impacted soil, if any, beneath the suspected heating oil UST. Capping Capping of contaminated soil is a viable remedial alternative that addresses exposure risks by creating a barrier between the future site user and the contaminated soiL Capping can be used on its own or in concert with source removal methods. Remedial capping materials can vary depending upon site considerations, but their design can include asphaltic paving, layers of geotextile materials, hardscape surfaces, clean subsoil fill materials with a clean soil and vegetated layer, or buildings. The placement of a remedial cap over contaminated soil minimizes the surface exposure to the soiL Capping is often an integral component in Brownfield remedial actions and is considered to be part of sound remedial strategy for this site. The ground surface in the vicinity of impacted soil boring SB-9 is currently covered with asphalt and/or concrete. If this area is undisturbed in the redevelopment process, the asphalt and concrete covered surfaces could be used as a cap for the subject site in lieu of excavating shallow impacted soil. In-Situ Remedial Methods for Soil In-situ soil remedial methods such as soil vapor extraction or in-situ chemical oxidation methods are not considered viable at this location due to the limited extent of impacted soiL Therefore, in-situ soil remedial methods are not considered further in this doewnent. 4.1.2 Ground WaterNapor Intrusion Alternatives No Action A no-action alternative for addressing grmmd water impacts must be considered as part of the ABCA process. While the no-action alternative is a low cost alternative, it would not allow future construction of buildings in the vicinity of monitoring well MW -2 due to the potential 12 Hart & Hickman, PC vapor intrusion risk posed by PCE in ground water at MW -2. Because of the potential future redevelopment near MW -2, the no-action alternative was eliminated fi·om further consideration. In-situ Ground Water Remedial Methods 111-situ ground water remedial methods such as ground water pump and treat, and air sparging, as well as other remedial actions are not judged to be warranted at this site due to the limited area of impacted ground water, the absence of grotmd water users, and lack of sensitive receptors within 1,000 feet of the site. Given these factors, the installation and operation of an active ground water remediation system is not considered to be warranted. Therefore, in-situ ground water remedial methods are not considered further in this document. This recommendation is premised on the expectation that redevelopment at this property will be conducted under the NCDENR Brownfields Program. Vapor Intrusion AB discussed in Section 3.2, based on vapor intrusion modeling, it is judged that the vapor intrusion risk is at acceptable levels within the existing site buildings. Therefore, vapor intrusion mitigation is not considered to be warranted for the existing buildings. Should a building be constructed south of the former elastic manufacturing warehouse above monitoring well MW-2, vapor intrusion mitigation may be required. Mechanical ventilation of commercial buildings with outdoor air is required in compliance with the most current version of the Mechanical Ventilation Section of the Ventilation Chapter of the N01th Carolina State Building Code. In addition, passive ban'iers are required beneath building slabs for new construction. These technologies are relatively inexpensive to install during building constmction activities and can effectively mitigate vapor intrusion concerns. Vapor intrusion mitigation can be addressed with a variety of engineered systems during construction of potential future buildings above monitoring well MW -2. Three types of vapor barrier systems are considered below. 13 Hart & Hickman, PC Passive Barrier Passive barriers are installed below a building to physically block entry of vapors. Most passive barriers are synthetic flexible membranes placed beneath the floor slab to prevent subslab soil gas from entering the structure through cracks or construction joints in the slab. Passive barriers may not result in complete elimination of vapors due to the high potential for imperfections (e.g., penetration, tears, incomplete seals), but in instances where minimal reductions in vapor intrusion rates are required, passive barriers may be sufficient. As noted above, passive barriers are required to be installed during building construction as part of the State Building Code. Furthermore, installation of passive barriers is typically specified in Brownfield agreements. The installed cost for this type of system ranges from $0.50 to $3 per square foot of building area depending on the type of material used for the barrier. Passive Ventilation System A passive ventilation system involves placing a venting layer below the floor slab to allow soil gas to move laterally beyond the building footprint. Passive venting systems are placed below passive barriers to be most effective. The venting layer typically consists of permeable material, such as sands or pea gravel, with perforated collection pipes routed at the peliphery or through the venting media to collect soil gas and convey it to an exhaust point outside the building. The installed costs for these systems range from $1 to $4 per square foot of building area, excluding the cost of a passive vapor barrier (see above). Active Ventilation System An active ventilation system ftmctions by pulling soil gases from beneath the slab and venting them to the atmosphere at a height well above the outdoor breathing zone and away from windows and air supply intakes. In new construction, active ventilation systems are similar to passive venting systems except that a fan is used to draw soil gas through the subslab venting layer prior to discharging it to the atmosphere. The inBtalled capital costs for these systems range from $2 to $5 per square foot of building area. In addition, there are annual operation and maintenance costs associated with mnning the blower. 14 S.\AAA-Mru;tcr l'roj~ls\l:i.iclwry H!C\lliC-001 3rownfw!d Asz.1s:;ruerJ.\S!tes\Phase lls\RcgaJ\ABCA\Regal ABCA.tfut Hart & Hickman, PC 4.2 Ground Water Encountered During Construction Ground water is not anticipated to be encountered during constmction. However, if ground water is encountered during constmction activities, it should be properly handled to prevent exposure of constmction and utility workers at the site to the chlorinated solvent constituents detected in ground water. Contaminated water from de-watering activities during construction should be treated to meet discharge levels allowed at a POTW or NPDES permit, or must be properly containerized and disposed of at a permitted facility. 4.3 Newly Discovered Impacted Soil Impacted soil not associated with the current kuown extent of soil impacts may be encountered in other areas of the site during construction activities. Impacted soil that is encoootered should be characterized and the data compared to appropriate regulatory standards. If conective action is judged to be necessary, the soil should be managed using ex-situ techniques such as excavation and off-site disposal, or managed in place with capping and/or institutional controls, as appropriate. 4.4 Institutional and Engineering Controls If residual impacted materials are left in place, institutional controls may be required. Institutional controls are implemented when residual contaminants in excess of regulatory threshold eleanup values remain at a site. This may inelude a deed restriction for the property, which would identify areas of residual contamination, and prohibit the future use of site ground water as a source for potable or non-potable water. 15 Hart & Hickman, PC 4.5 Proposed Remedial Actions On the basis of effectiveness, technical feasibility, and cost, and assuming potential future commereial use of the subject site, H&H recommends a combination of remedial approaches as described below. This recommendation is premised on the expectation that redevelopment at this property will be conducted 1mder the NCDENR Brownfields Program. UST and UST-Related Impacted Soil As previously discussed, the suspected heating oil UST should be assessed and closed in place or removed in accordance with NC DENR UST Section requirements. However, because the suspected heating oil UST is located beneath the southwestern wall of the former machine shop and laboratory building, we do not recommend attempting to remove the UST ·until the site redevelopment planning is completed. If the former machine shop and laboratory building is not demolished for redevelopment purposes, the existing UST may be closed in place with approval of NC DENR. Soil samples should be collected for chemical analyses during in-place closure. In addition, the installation and sampling of a monitoring well will be required at the UST location during the in-place closure. Because gmund water in the site vicinity is not used for drinking water purposes, we anticipate that NC DENR will classify the site as a low risk site if impacts are detected. In the event that the UST and impacted soil are removed, soil samples should he collected from the sidewalls and base of the excavation for chemical analysis, and the excavation should be backfilled with clean fill. A Limited Site Assessment (LSA) and associated monitoring well may be required at the UST location if soil excavation does not remove all of the required soil contamination. 16 Hart & Hickman, PC Shallow Impacted Soil PCE and TCE exceed NCDENR's Health-Based SRGs in soil sample SB-91ocated south of the former elastic yarn manufacturing warehouse. Additionally, PCE also exceeds the USEPA Industrial RSL in SB-9. This area is currently capped with asphalt and/or concrete. To minimize worker and future site user exposure to the soil, H&H recommends avoiding redevelopment in this area of the site and leaving the asphalt and concrete surface cap intact. Should it become necessary to disturb soil impacts near SB-9 during site redevelopment, the impacted soils should be managed through excavation and off-site disposal. Site Ground Water Due to the likelihood of DENR assigning a low risk classification for the suspected heating oil UST at this site, H&H does not recommend remediation of contaminated ground water in association with the suspected heating oil UST. Separately, H&H does not recommend remediation of PCE, TCE, and manganese detected in ground water exceeding the 2L Standards because of the limited area of impacted ground water, the absence of ground water users, and lack of sensitive receptors within 1,000 feet of the site. H&H recommends that a ground water use restriction be recorded on the property deed prohibiting ground water use for any purpose at the property. Additionally, monitoring wells MW-1 through MW-4 should be properly abandoned during site redevelopment. In addition, contaminated ground water, if encountered during future construction activities, will need to be either contained and disposed of off-site, or treated and discharged tmder local permitting regulations to the local POTW. The appropriate approach will depend upon the volume and degree of contamination of ground water that 'Will need to be addressed. Based on vapor intmsion modeling, PCE represents a potential vapor intrusion risk if a building were to be construrted south of the forrner elastic yam manufacturing warehouse near monitoring well MW-2. To minimize the risk associated wit11 potential vapor intmsion ofVOC constituents, 17 Hart & Hickman, PC the installation of a passive banier system beneath future buildings constructed is this area is recommended. 4.6 Cost Estimate for Proposed Cleanup Alternative Hart & Hickman has estimated the costs of mitigating the risks posed by site contaminants based on the recommended cleanup alternative described in Section 4.5. This cost estimate is based on the assumptions and criteria discussed below. The estimated costs are presented in Table 5, and assmne the following: • In place closure or removal and assessment of the suspected heating oil UST; • Preparation of a Brownfields Property Application and negotiation of a Brownfields Agreement for the site; • Impacted soil near soil boring SB-9 will remain nndistarbed and capped. If disturbed, the impacted soils should be managed through excavation and off-site disposal; • No active ground water remediation, but a deed restriction will be used to prohibit the use of gronnd water at the site for any purpose; • Proper abandonment of the three pelTllanent on-site monitoring wells; and, • If new buildings are to be constructed south of the former elastic yam manufacturing •varehouse, passive vapor barrier systems vv:ill be installed and the cost accounted for in the construction costs. The estimated costs for the proposed cleanup activities are shown in Table 5 and include a 30% contingency for unknown conditions that may be encountered during redevelopment activities. As noted on Table 5, the estimated cost for the proposed cleanup activities at the subject site ranges from approximately $26,260 to $58,500. The low range cost estimate assumes the UST is removed from the ground and the UST has not leaked, and the high range cost estimate assumes the UST is removed from the ground and the UST has leaked. Additionally, the high range eost I8 Hart & Hickman, PC estimate also assumes up to 200 tons of impacted soil will be removed from beneath the VST and an LSA and associated monitoring well will be required. Separately, the eost estimate addresses non-UST issues under the assumption they will be managed under the NCDENR Brownfields Agreement. 19 5.0 Schedule This ABCA will be stored in the City's repository until a perspective developer is located for the property. When the property owner comes to an agreement with a prospective developer to purchase and redevelop the site, and if that developer elects to enter the site into the NCDENR Brownfields program, the perspective developer can submit the ABCA to NCDENR to assist in negotiating a NC Brownfield Agreement for the property. Once the Brownfields Agreement is fmalized, the prospective developer can then complete their redevelopment planning and design, conduct the required corrective actions, and redevelop the property to return it to productive use. With DENR's review and public comment periods in mind, we anticipate that site activities could be initiated as soou as three to four mouths followiug NC Brownfields Agreement approval by DENR. Once begun, site cleanup activities should take approximately tiu·ee to six weeks. 20 6.0 References Gaia Tech, Inc., Phase I Environmental Site Assessment (ESA), November 18, 2001. Gaia Tech, Inc., Focused Phase II Investigation Letter of Findings, January 2, 2002. Gaia Tech, Inc., Limited Phase II Site Investigation, June 2007. Hart & Hickman, PC, Quality Assurance Project Plan for Brownfields Assessment, October 19, 2009. Hart & Hickman, PC. Brownfield Phase II Site Assessment Report, June 1, 2010. 21 Table 1 Summary of Ground Water Level Data Former Regal Manufacturing Facility Hickory, North Carolina H&H Job No. HIC-001 Well ID TOC Date Installed Total Depth Screen Elevation (ft) Length (ft) TW-1 95.42 1122110 38 10 TW-2 99.16 1/22110 45 10 TW-3 100~ 44 10 MW-1 89.00 41.5 NA MW-2 92.0 45 NA MW-3 94.74 3/1/07 43.5 NA MW4 96.49 I 311/07 46 NA Notes. TOC"' Top of Casing Elevation TOC elevation data based on an arbitary reference datum for TW-3 of 100ft. ft bgs feet below ground surface NA Not Available Approximate Screened Interval 1ft bas! 28-38 35-45 34-44 NA NA NA NA Depth to water from GW Elevation TOC (ft) (ft) 37.70 57.72 41.37 57.79 41.18. 58.82 31.37 57.63 34.16 57.91 35.50 59.24 37.50 58.99 Table 2 Summary of Soil Analytical Results Former Regal Manufacturing Facility Hickory, North Carolina H&H Job No. HIC·001 Former Air Compressor Former Machine Shop Fonner Elastic Yarn Manufacluring Warehouse Room/AutomoHvc Repair Facility Area of Concern Sample 10 SB-1 DatB 1!22/2010 Depth (!t) 0-2 VOCs by 8260 (mglkg) 1 ,2,4~ Trimethylbenzene <0.0048 cis~ 1 ,2-Dic:hloroelhene <0.0048 n-Butylbenzene <0.0048 n~Propyll:>enzene <0.0048 Naph1halene <0.0096 p~lsopropylloluene <0.0048 sec-Butylbenzene <0.0048 Tetrach!oroethene <0.0045 trans-1 ,2-D!ch!oroethene <0.0048 Trichloroethene <0.0048 SVOCs by 8270C (rng/kgl Ruoranthene <0.42 Mercury by 7471A rnalkol 0.12 HSL Metals b~ 601GB (mg/kg) ~Aoumony <0.25 ~senic 7.4 Beryllium 0.91 Cadmium 0.83 Chromium 32 Copper 14 Lead 18 Manganese 26 Nickel 5.0 Zinc 17 Notes: Bold concentrations equal or exceed the IHSB SRG Shaded values exceed the USEPA Industrial RSLs. SB-1 Duplicate (DUP-3) ! 1/2212010 0-2 <0.0050 <0.0050 <0.0050 <0.0050 <0.010 <0.0050 <0.0050 <0.0045 <0.0050 <0.0050 <0.42 0.13 0.25 7.2 0.89 0.88 38 14 17 26 44 14 Only detected compounds are listed. Refer to Appendix A for the full analyte list. Laboratory analytical method sho'>vn in parentheses following parameter SB-2 Duplicate SB-2 (OUP-2) SB-3 88-4 SB-5 112012010 112012010 1120/?010 1/20/2010 0-2 0-2 0-2 0-2 0-2 <0.0048 <0.0049 <0.0045 <0.0051 <0.0043 <0.0048 <0.0049 <0.0045 <0.0051 <0.0043 <0.0048 <0.0049 <0.0045 <0.0051 <0.0043 <0.0048 <0.0049 <0.0045 <0.0051 <0.0043 <0.0095 <0.0097 <0.0090 <0.010 <0.0086 <0.0048 <0.0049 <0.0045 <0.0051 <0.0043 <0.0048 <0.0049 <0.0045 <0.0051 <0.0043 0-012 0.0064 <0.0045 0.0058 <0.0043 <0.0048 <0.0049 <0.0045 <0.0051 <0.0043 <0.0048 <0.0049 <0.0045 <0.0051 <0.0043 <0.38 <0.38 0.55 <0.39 <0.40 0.063 0.062 0.091 0.037 0.034 0.29 0.41 0.31 0.72 0.36 5.0 4.5 5.9 3.7 4.2 0.53 0.51 0.70 2.4 0.95 <0.28 <0.28 0.50 1.9 0.71 18 17 26 63 33 9.4 9.3 11 36 18 37 46 25 35 17 80 87 80 280 100 3.6 3.5 4.2 12 7.3 38 38 43 84 26 {1i NCDENR lnactlve Hazardous Sites Branch (IHSB), Health Based Soil Remediation Goals (SRG}, January, 2010, "Adapted from the 2008 USEPA Regional Screening Tables" i'l EPA RSL =Regional Screening Level (from USEPA Regional Screening Levels (RSL) 1or Chemical Contaminants at Supenund Sites. RSL Master Table Update (May 2010). !3} Background metal concentrations obtained from Elements in North American Soils, 2005, James Dragun, Ph.D. and Khaled Chekiri, Ph.D. Cadmium and manganese values are for southeastern US soils. VOCs =volatile organic compounds; SVOCs =semi-volatile organic compounds HSL = hazardous substance list BOL =below laboratory practicaf quantitation limit for all anatytes; NA not analyzed; NS ~ not specified B =Also detected in method blank. E = Estimated concentration greater than the instrument cal1bration range. Al a 50x dilution, the compound was diluted out. SB-7 SB-8 3/412010 31412010 3/4/2010 14-16 5-7 13-15 <0.0042 <0.0038 <0.0050 <0.0042 <0.0038 <0.0050 <0.0042 <0.0038 <0.0050 <0.0042 <0.0038 <0.0050 <0.0083 <0.0076 <0.010 <0.0042 <0.0038 <0.0050 <0.0042 <0.0038 <0.0050 <0.0042 <0.0038 <0.0050 <0.0042 <0.0038 <0.0050 <0.0042 <0.0038 i <0.0050 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA Former Cotton Yam Manufacturing EPA RSL Building/Off4 Sile IHSBSRG for Impacts ,,, Industrial (mglkg) Soil(<') Background Metals SB-9 SB-6 Concentrations iSJ 314/2010 ~/4/7010 1122/2010 (mglkg) Statewide Statewide 2-4 8-10 0-2 RaMe Averaoe --- 0.034 <0.0045 <0.0051 12 260 ---- 1.5 E <0.0045 <0.0051 160 10,000 ---- 0.040 <0.0045 <0.0051 NS NS --- 0.0063 <0.0045 <0.0051 260 21,000 ---- 0.026 B <0.0090 <0.010 3.6 18 ---- 0.023 <0.0045 <0.0051 NS NS ---- 0.016 <0.0045 <0.0051 NS NS -- 4.5E <0.0045 <0.0045 0.55 2.6 -- 0.087 <0.0045 <0.0051 31 690 -- 4.1 E <0.0045 <0.0051 2.8 14 ---- <0.44 <OAO <0.42 460 22,000 -· 0.097 <0.024 0.11 1.1 34 O.D3 -0.52: 0.121 ; <0.26 <0.24 0.37 6.3 410 -- 16 5.5 8.8 4.4 2 2-18 5.8 1.6 1.6 0.65 31 2,000 0-2 0.11 1.7 1.4 0.84 14 800 1 -10 4.3 64 27 40 23,000 1,500,000 7-300 65 23 19 14 630 41,000 3-100 34 21 26 14 400 800 0-50 16 45 89 24 370 NS 8-3,394 594 8.4 5.0 5.2 310 20,000 0-150 23 28 32 24 4,700 310,000 25-124 56 Area of Concern Sample ID Dare VOCs by 82608 (~g/1) Chloroform cis-1 ,2-Dichloroethene T etrachloroethene Trich!oroethene SVOCs by 8270C (~gil) Mercury by 7471A (pgll) Mercury HSL Metals by 60108 {U~II Arsenic (unfiltered) Arsenic (lab filtered) Beryllium (unfiltered) Beryllium (lab filtered) Chromium (unfiltered) Chromium (lab filtered) Copper (unfittered) Coooer ilab filtered) Lead (unfiltered) Lead (lab filtered) Manganese (unfiltered) Manganese (lab filtered) Nickel (unfiltered) Nickel (lab filtered) Zinc (unfiltered) Zinc (lab filtered) Notes: Table 3 Summary of Ground Water Analytical Results Former Regal Manufacturing Facility Hickory, North Carolina H&H Job No. HIC-001 Former Cotton Yarn Existing Permanent Monitoring Wells Manufacturing Building/Off-site Impacts MW-2 i Duplicate MW-1 ('l MW-2 (DUP-01) MW-3 MW-4 TW-1 1/1912010 1/1912010 111912010 1/1912010: 1/19/2010 1/22/2010 <1.0 1.5 1.5 <1.0 <1.0 2.7 <1.0 42 44 <1.0 <1.0 <1.0 76 600 610 <1.0 -:;1,0 7.9 <2.0 77 79 <2.0 <2.0 <2.0 All BQL All BQL AIIBQL AIIBQL AIIBQL NA <0.2 <0.2 0.29 <0.2 <0.2 NA 57 <10 <10 35 12 NA <10 NA NA <10 <10 NA 12 <2.0 <2.0 2.4 2.0 NA NA NA NA NA NA NA 91 <5.0 <5.0 7.9 21 NA <5.0 NA NA NA <5.0 NA 220 11 <10 14 17 NA NA NA NA NA NA NA •.. 190 5.1 9.3 29 24 NA <5,0 NA NA 6 <5.0 NA 3,200 170 300 550 570 NA :160 52 52 26 99 NA 92 <10 <10 <10 22 NA NA NA NA NA NA NA 250 <30 <30 <30 46 NA NA NA NA NA NA NA (>>Arsenic, chromium, lead, and m.anganese laboratory filtered samples collected from MW-1 on March 4, 2010. Former Elastic Yam Manufacturing Warehouse TW-2 TW-3 1/22/2010 1/22/2010 <1,0 <1.0 <1.0 <1.0 35 <1.0 2.1 <2.0 AIIBQL AIIBQL <0.2 <0.2 <10 16 NA <10 <2.0 3.6 NA NA 8.6 34 NA <5.0 14 26 NA NA 15 36 <5.0 <5.0 3,200 770 3,700 210 17 26 NA NA 38 93 NA NA (ll NC DENR 2L Standard= Maximum Contaminant Concentration defined by North Carolina Administrafive Code (NCAC) Title 15A, Subchapter 2L, Section .0202 (Water Quality Standards for Class GA Groundwater) Bold value indicates that the analyte concentration exceeds the 2L Standard, On!y detected compounds are listed. Refer to Appendb< A for the full analyte list. Laboratory analytical method shown in parentheses following parameter VOCs = volatile organic compounds; SVOCs = semt~valat.He organic compounds HSL :=:hazardous substance list: BQL =below laboratory practical quantitation limit for all analytes NA = not analyzed NC 2L Ground Water Standard (~giL) (2; 70 70 0.7 3 - 1 10 NS 10 1,000 15 50 100 1,000 Maximum Concentration Calculated Site Specific Aiiowabie Concentration in Shallow Ground Water in Shallow from MW-2 Ground Water4 (pgn) (Jlgll) Tetrachloroethene 610 NIA Tetrachloroethene NIA 300 Notes: Table 4 Vapor Intrusion Modeling Results Former Regal Manufacturing Facility Hickory, North Carolina H&H Job No. HIC-001 Step 2 Screening Step 1 Screening Is Ground Water Is Constituent IHSB Acceptable Concentration GW Concentration Above IHSB Sufficiently Volatile (Risk= 1x1 0-5)2 Acceptable GW and Toxic?1 Concentration? (YIN) (JJgiL) (YIN) y 29 y y 29 y 1. Table 1 of EPA's Draft Guidance for Evaluating the Vapor Intrusion to Indoor Air Pathway from Ground Water and Soils, November 2002. 2. NCDENR Inactive Hazardous Sites Branch (IHSB), JndustriaVCommercial Vapor Intrusion Screening Table, updated January 25,2010. 3. Risk and hazard quotient calculated using Johnson-Ellinger Model, GW-ADV, February 2004. Step 3 Screening' Incremental risk Hazard quotient from vapor intrusion from vapor intrusion Risk Exceeds 10.,or to indoor airJ to indoor air1 Hazard Quotient carcinogen noncarcinogen Exceeds 0.2 (unitless) (unitless) (YIN) 2.1E-05 1.4E-02 y 1.0E-05 6.8E-03 N 4. Utilizing Johnson-E!tinger Model, GW-ADV, February 2004, this value was derived by back-calculating to represent a conservative lifetime incremental cancer risks (LICRs) of 1 x 10-5. The iterative back- calculation indicated a ground water PCE concentration of 300 ~gil or lower represents an acceptable vapor intrusion risk for the site building. ~gil= micrograms per liter; Y =Yes; N = No; NIA = Nol Applicable S.\.1\AA-B:Ias:cr Pro).eets\fli dwry HfD.HfC.COl Bro\vntield AMessment\Siles\PJuw: ITs\Regai\ABCA \ABCA fahles Result Does Constituent Pose a Potential Vapor Intrusion Risk at the Slte? (YIN) y N Table5 Summary of Estimated Cleanup Costs Former Regal Manufacturing Hickory, North Carolina H&H Job No. HIC-001 Estimated Costs Task Low High Suspected Heating Oil UST Actions 1 $10,000 to $32,000 Brownfields Actions: Brownfields Property Application and Agreement $8,000 to $10,000 Monitoring Well Abandonment $2,200 to $3,000 Total Tasks: $20,200 to $45,000 Contingency (30% ): $6,060 to $13,500 Total Estimated Cost: $26,260 to $58,500 Notes: 1. Low estrmate assumes the suspected heating all UST is removed from the ground and the UST has not teaked. High estimate assumes the suspected heating oil UST is removed from ground, up to 200 tons of impacted soils are excavated, and a Limited Site Assessment and associated monitoring well are required. S:IAAA"Mi!!SlM PJljjoo~s'.h1clo;y KIC\HIC-001 Browrtll«d M•B5&meoi\S1let\Phll!ie IISIRI!flai\ABCA'ABCA T11blas Seplember 13, XI:»' 0 APPROXIMATE 2000 SCALE IN FEET 4000 U.S.G.S. QUADRANGLE MAP HICKORY, NC 1993 QUADRANGLE 7.5 MINUTE SERIES (TOPOGRAPHIC) TITLE PROJECT DATE: SITE LOCATION MAP FORMER REGAL MANUFACTURING 212 12TH AVENUE NE HICKORY. NORTH CAROLINA art & Hickman 2923 South Tr;on S<zect-Sui<e 100 O.arlone, North U!oh= 28203 A PRCF"E519JCNAL C:CRPCIOA"f>CN 7(}4..586-0007 (p) 7(}4..586-0373 (t) 04-21·1 0 REVISION NO: 0 JOB NO: HIC-001 FIGURE NO: ----------- FORMER TCBY lJNDEVELOP!:D LAND (FORME~ DUNMORE FURNITURE) DUKE POWE~ FACTORY BUILDING AS SHOWN ON SUBSTA:IQN 1961 SANBORN MAP ORIGINAL HOSIERY MILU ELASTIC [:ELECTRICAL -----------·-----12thAVENUENE ---~ ;:::--=-==-~--~~~-- HYDRAUL! LIFT EXXON GAS STATION A?PROXIMA TE FORMER LOCATION OF GASOLINE L:ST APPROXIMATE LOCATION OF~ SUSPECT!:D 1 HEATING OIL UST EXXON AL:TO REPAIR GARAGE ! ~ MW~---~-=~ ~ OFFICE 1Tl 11 LULU IRCLl.UP SPACE 1"1~~;:1-----.lf!_O~ ---I ~ I' ~ ® ® I' <") I JMW-3, @ SS-3 • @ e ® FORMER MACHINE ® ® ! SHOP AND i @ LABORATORY FORMER ELASTIC YARN MANUFACTURING ® e s I """ SB-2• WAREHOUSE ® ® @ FORMER YARN MANUFACTURING ® ~ e BUILDING 6 ss-9 ® ~ ® LOADING DOCK ----- ~\~-;-....-.==.. SERVCO GAS STATION I SERVCO MW~ I CARWASH ~ SOIL DRUMS MEDICAL OFFiCE TMVV-2 • FROM PREVIOUS i ASSESSMENT ( TMW~ ASPHALT 11th A VENUE NE ----.re__ 55-GALLON DRUM CL-450 COOLING WATER TREATMENT HICKORY HIGI-! SCHOOL ---------------------.------------------ HICKORY HIGH SCHOOL PARKING AREA ~---------------~~~~~~~F~O~R~~;;IE~R~N~R~i---------~====================:------ CONDITIONING ROOM FORMER NR r----_-_-_-_::-_-l ___ -~ ··.·.. ·. COMPRESSOR ROOM & AUTO REPAIR FACILITY ' ' I ' , I I ;'I M::DICAL OF."ICE BUILDING YOUSS!:rr 242 RESTAURANT ASPHALT PARKING AREA , I 1 • FOR FORMER REGAL ., / 1 1 .: MANUFACTURING • 1 !j RESIDENCE MEDICAL OFFIC:: 0 LEGEND PROPERTY BOU~IDARY FENCE LINE _@ OIL STAINS QJ PAD-MOUNTED TRANSFORMER CD POLE-MOUNTED TRANSFORMER ® FLOOR CRA!N CONNECTED TO AIR WASH SYSTEM ~ EXISTING MONITORING WELL LOCATION • APPROXIMATE 2002 TEMPORARY MONITORING WELL LOCATION .. APRPOXIMATE 2007 SOIL BORINGfTEMPORARY MONITORING WELL LOCATION 2010 SOIL BORING LOCATION 2010 SOIL BORINGfTEMPORARY MONITORING WELL LOCATION ® AC~ROXIMA~£ 80 150 SCALE IN FE:::T SITE PLAN AND SAMPLE LOCATIONS MAP FORMeR R:::GAL MANUFACTURING 212 12th AVENUE NE HICKORY, NORTH CAROLINA O.AE: ~-21-1 0 REVISION NO. 0 JOB NO: HIC-001 FIGURE: 2 ~ 1 ~ ! § l ~ )::; ~ ;,; 0 ;; ::;: ~ I 't '< g ~ I "' I ~ ~ I a I s i I ~ g ~-I ~ I ~ ~ j I ' " :>! ' i e I "' & g I :> ~ I j .'!i I :> ~ 0 <t I ~ " 1. 1 :.; I I I I I I I I I ~ h. tij {!: Cl) \::; ~ I I I I ' ' I ' FORMER TCBY UNDEVELOPED LAND (FORMER DUNMORE FURNITURC:) --------·-----------------------~ ------· ----------~-------===_ ~th A VENUE;:;E----------___.- ~ ----. --1 ---' _!~1yY-1:,J.. =- I ----------~=~~-~--~----------~ ~ ' EXXON GAS STATION ·1--:. r-'-:::~=~---' C. l ----m i ~ SB-101-A~ ; : 'j ----~(I;-;;~ -: ~ i i ! ~ss-s;rw-3 s ® ® I: "' : : ,' i Q ' ' ; : : ~('~ _o ' EXXON AUTO REPAIR { SS-4fT'N-2 ~ ® ~ ! r 1 GARAGE ~ ® @ @ --· : SERVCO GAS STAT!ON r-Jss-6/ ASB-9 ~ ~ I ~~~--~ ""' ® II :-- TMW-4 -, L_l J · 1 f ~~2 ~ ~1;]~ ~-...:. ___ _J \' SERVCO MW-6,. r -i MEDICAL :5 ~ , \ CAR WASH y I OFFICE TMW-~ .__ ___ .&.TMW-2 ---___ 1_1l __ h_A_V.-=E~N.'::.U.':.E~N'5_E L __ ;: __ j . .., ------~------ ------- ----------------- HICKORY HIG~ SCHOOL :-~---------------------------- HICKORY HIGH SCHOOL PARKING AREA ----------_-;::-1 , --'·, ', -" "· ... , I I :ASPHALT PARKING ARC:A ; ~ r r r ! MECJICAL OFFICE BUILDING YOUSSE;:F 242 RESTAURANT 1 . FOR FORMER R::GAL r , 'j I ' ; MANUFACTURING : ~I ,, r L_~, 11 r . .: I :I 'I ,j . b-1 -~ RESIDENCE MEDICAL OFFICE LEGEND ------PROPERTY BOUNDARY .@ m 0 ® ~ ... • - .:.~ -- ~ 0 FENCE LINE OIL STAINS PAD-MOUNTeD TRANSFORMER POLE-MOUNTED TRANSFORMER FLOOR DRAIN CONNECTED TO AIR WASH SYSTEM APPROXIMATE EXISTING MONITORING WELL LOCATION APPROXIMATE 2002 TEMPORARY MONITORING WELL LOCATION APRPOXIMATE 2007 SOIL BORINGfTEMPORARY MONITORING WELL LOCATION APPROXIMATE 2010 SOIL BORINGfTEMPORARY MONITORING WELL LOCATION RELATIVE GROUND WATER ELEVATION (FT) POTENTIOMETRIC CONTOUR APPROXIMATE GROUND WATER FLOW DIRECTION NOTE: GROUND WATER ELEVATION DATA BASED ON AN ARBITRARY REFERENCE DATUM A??RCXI ~1A ~E 80 S(:ALE IN FE::T 160 GROUNDWATER CONTOUR MAP FORMER REGAL MANUFACTURING 212 12th AVENUE NE HICKORY, NORTH CAROLINA DATE: 4-21-10 REVISION NO 0 JOB NO: HIC 001 FIGURE: 3 f iii ~ E § .:2 :12 ~ i "' g ~ ~ 2: ~ ~ 0 0: ~ ~ "' ------- FORME~ TCBY -------------- /------ UNDEVELOPED LAND (FORMER DUNMORE FURNITURE) ' ! HICKORY HIGH SCHOOL 12th A VENUE NE __________ ....---- ---------------------------~----------~-----------,1 ~~--=~ I SB-3 I I ·=------------ ! I 0-2' : f MW~ ~ ~~ -----A~R~s=~N~~c~,4~)----~~~5.~9~! I /r----------~---------------------'\ •XXON GAS STATION'' , CJ ' _jj ---OJ i IL ""',: ! --- -J-'"" I S6-1Q1A I "' SB-3 . J f : • : I SB-2 ~ ~-----------2~------~,-0--2~.~ --- ----I f ,. c~T' -- @ ® ® S8-5fT\N-3 ® $ @ @ e ® @ @ ® SB-7 @ @ ® ~ SB-4fTW-2 ® @ ~ r ARScNIC(4) I 5.0 : ~ f ·~ . s~ EXXON AUTO REPAIR 1 -1 GARAGE I I SB-6/ ... ieSB-8 @ ~ ® -,_nY-1 SB-9 1 TMW~ \\ sst \-j @/w@ 1 _____ _j, 4J ' <' ,.____ i w ~ I \ ---------- HICKORY HIGH SCHOOL PARKING AREA ,-------------l Mw-fi-r---~ I 1---------____:::::__.___ ____ ,1---::-~--:~~-:--1. MW~ i \ ~ ~~~B1J[l!----N-~-EFD-FI-I~-~-L -~,-\ -------~---====A=R=S=E=NJI:~:~-l1c=====~~==~-~-!=1 I \ 'MW-1 1 (/) I SB-1 I (::) r I ~ I ARScNIC(4) I I I I ! .ATMW-2 TMW-,... L--___j --S--8---9-------------, ________ 1_1_th_A_Vc=-~':....:.V~UE NE ---------------,--,--,--:-=---+1_2=---4::-' ~l--:-;;-s-;;-;;1o::-:· ~~ ... _________ _ MEDICAL OFi=ICE BUILDING ---------TETRACHLOROETHENE I 4.5 i <0.0045 f---___. r TRICHLORORTHENE I 4.1 I <0.0045 I ARSEN>C(') l 16 I 5.5 t ---~ :::----~.,. ', I . ~ f ' I I ASPHALT PARKING AREA ;: YOUSSEFF 242 RESTAURANT 1 • FOR FORMER REGAL if I I . MANUFACTURING ' J , • I f L~-~. } I L __ -d MEDICAL OFFICE LEGE1'1D PROPERTY BOUNDARY FENCE LINE f;} OIL ST..:.\INS W PAD-MOUNTEQ TRANSFORMER CD POLE-MOUNTED TRANSFORME~ ~ FLOOR DRAIN CONNECTED TO AIR WASH SYSTEM ~ EXISTING MONITORING WE.L LOCATION A APPROXIMATE 2002 TEMPORARY MONITORING WELL LOCATION A APRPOXiMATE 2007 SOIL BORINGfTEMPORARY MONITORING WELL LOCATION 2010 SOIL BORiNG LOCATION 2010 SOIL BORINGfTEMPORARY MONITORING WELL LOCATION NOTES: 1. ONLY CONSTITUENTS DETECTeD ABOVE SCREeNING LEVELS ARE SHOWN. 2. BOLD NUMBER INDICAT~S CONSTITUENT EXCEEDS THE HEALTH BASED REiv'1EOIATION GOAL . 3. ALL RESULTS ARE IN mglkg. 4. NC BACKGROUND CONCENTRATION RANGE FOR ARSENIC IS 2-18 mglkg (DRAGUN 2005) @ APPROXH,IATE o eo 16v ~=-~~=== SCALE. IN F::::.1 SOIL ANALYTICAL RESULTS MAP FORtvl:::R REGAL MANUFACTURING 212 12th AVENUE NE HICKORY, NORTH CAROLINA OA.TE: 4 21 10 R~ISION NO. 0 JOB NO: HIC-00 i FIGURE: 4 -- - ' 1-!J < h. tJj C::: t-: (I) 'b " c\J I ---------1 I EXXON GAS STATION FOR1'viER TC8Y uNDEVELOPED LAND (FORMER DUNMORE FURNITURE) IW-2 MW-4 S~.MPL,=. DATE. 1/19/10 SA.'v1PL:: ~ATE: 1/~9/iO i I TETKACHLOROETHENE {PCc) j MANGANESE I 99 ' i "-~ANGANESE I r-------\ rth----l---- 1, :::::::::==-~ L A VENUENr= -------------==.--=------------/ -I ' \ ~ I I MW~ I .==:::\ ./ [ m -. 1: _'IL~~~"--. __ J __ ------------I 35 1 3.7oo I HICK CRY HIGH SCHOO!.. ----------------------------------------------------- HICKORY HIGH SCHOOL PA~KING A~EA !--= 1 ---·-I! r-1 1 _____ 5 _ 8 _· 9 ____ __,11\ SB-1 0:• SS.-3 ' ~ ® s®,--J--1~-~ ____:C")::.!~C--:-1 T------:,::=;----~ SAMFLE DATe: ~15107 e. "" "'"'W • 1 I . ~I .... I E!RACHLOROETHENE (PCE) i 120 \\ ~ .! ' SAI'APLE DATE: ~119110 I I T.'<.ICHLORO!:TH:NE I 5.9 ""' ® ~ MW-3 r-~----'-'---IW--1-1 ---~"' ~ S3·2· I JBJ ~~~ i ___ M~~-A_N~S.-~------'[_2_10___,1 = ® -= lSI "" 1 SAMPLS OAT::: 1:22110 / ~" 1 \\~ ~SB--4iTW-2 _-:: ' 1 T::TRACHLO:IROETH::N:: (PCEl 1 1 "..._ 1 '-----------'--'----'-___:_7..;..;.9:....___; "-..._L_sB-6/ SB-9 .So-8 j: I .' ~...:;..~~ I MW-2 ' MW-4 --sa-~._-I ----------'-------,· r IN--2 w~· ~' I I--::==-:-:::-:-S.,-A-::c"'-=-'P-=-LE==-DA-:-::T:-E-::c:-,-1=-/1::-:9::-:-/1_0.,-----l ' I -I T::Ti<ACHLOROETHENE (PCE) i 600 TMW-4 ~ Ti'l.ICHLOROETHENE I 77 SAAIPLE DATE: 517/02 O~~~~~~H MW-6~. t' ~B MANGANESE I 52 1 1 TETRACHLOROETHENE (PCE) 11 1. 5 6 7 00 . . TRICHLOROETHENE I _-\.L----~--------------, r ""'-'-I MW-1 TMW-1., 'MW-1 ...._____ ~TMW-2 a\ /\\ -SAMPLe DATE: 1/19/10 I ~ l ~ TCTRACHLOROETHENE (PCE) -~-11h ~--~~~ .-------------: __________ , __ ~~ ---~~------___ t __ A~~~E~N~U~E~~N~~~c--~~~---J\t-----~-·~:Z---=-=-=-=--~=--=~---~~~·-----==="-~l~AN~G~A~N~E=S=E ======I=-~36~0~ ~--------~~ \~--------=-==~-----~-------- ~ @ "" ~ e ® e. ..,. "" ~ ® ® 76 TMW-2 ~--------T_Mw_-_1 ________ ~1 1 1--------------~~' lr---------------~ SAMPLE DATE: 5/V02 SAMPLE DATE: 3/6J02 BENZ::NE I 89 1.2-DICHLOROETHANE i SAMPLE DATE: 512/02 MW-6 r~-=-=-~ 1 I :f TcTRACrlLOROETHENE (PC:O) j 160 TR1CHLOROETHENE I 4.2 1.7 XYLENES I 1,450 I f TETRACHLOROETHENE (PC;;:.) I ETRACHLOROE i HENc:. ("'C.=::) I 260 I I TR!CHLOROETHEN:: I MEDICAL Oi=FICE BUILDING YOUSSC:FF 242 RESTAURANT 504 14.6 lr: .'1 AS?HAL T PARKING AR~A ./ I ' FOR i=ORM;:R R::OGA:. I i ~ MANUFACTURING • 1 I; J l ___ l r I L--; ,J r .I •'v10:!JICAL OFFICE LFGcND ---- ---PROPERTY BOUNDA~Y 0 FeNCE LINE @ OILSTAINS IT] PAD-MOUNTED TRANSFORMER CD POLE-MOUNTED TRANSFORiv1ER ® FLOOR DRAIN CONN::CTcD TO AIR WASH S':'STEM ~ EXISTING MONITORING Wf;:LL LOCATION A. APPROXIMATe 2002 TEMPORARY MONITORING WELL LOCATION .t. APRPOXIMATE 2007 SOIL 80 Rl N G/T EMPORARY MONITORING WELL LOCATION • APPROXIMATE 2010 SOIL BORIN G LOCATION ~ APPROXIMATE 2010 SOIL BORING/TEMPORARY MONITORING WELL LOCATION NOTES: 1. ONLY COI'\STITUENTS DETECTED ABOVE THE 2L GROUND WATER STANDARDS ARE SHOWN. 2. ALL RcSUL TS ARE IN ugll. :..?~ROXIMAT( 80 160 sc.;;_~ IN fE~ GROUNDWAT~R ANALYTICAL RESULTS MAP FORM::R REGAL MANUFACTURING 212 12th AVENUE NE HICKORY, NORTH CAROLINA DATE: 4-21-10 R~ISION NO. 0 JOB NO: HIC-IJOI FIGURE: 5 Appendix A Historical GaiaTcch Assessment Documents GaiaTechlNC. Environmental Planning for Business January 2, 2002 Mr. Mitchell R. Setzer Treasurer and Secretary WorldTex Incorporated 915 Tate Blvd. SE · Suite 106 Hickory, North Carolina 28603 3343 Peachtree Rd, N.E. Suite 330 Atlanta, GA 30326 404.812.0001 404.812.1992 Fax RE: Focussed Phase II Investigation Letter of Findings: Elastic Corporation of America - Columbiana, AL, Elastic Corporation of America -Lexington, SC, and Regal Manufacturing, Hickory, NC Facility Dear Mr. Setzer: GaiaTech has completed the scope of work outlined in our November 28, 2001 proposal letter for the following facilities: Elastic Corporation of America 102 Industrial Road & 455 Highway 70 West Columbiana, Alabama Elastic Corporation of America 130 Zenker Road Lexington, South Carolina Regal Manufacturing 212 12" Avenue NE Hickory, North Carolina This letter provides preliminary details of the findings of the Focussed Phase II Investigations authorized by WorldTex on December 6, 2001 Field sampling activities were conducted at each of the facilities on December 5 and 6, 2001. Initially, soil borings were created in the areas of concern (AOC) identified in the Phase I Environmental Site Assessments (ESAs) previously performed by GaiaTech. Subsurface soil and groundwater sampling was facilitated by the use of truck-mounted Geoprobe® drill rigs at each of the facilities. These soil borings were intended to provide additional assessment of subsurface conditions and potential impact by contaminants of concern (COC), Subsequent to completion of the borings, select borings were e Chicago, Atlanta, ProYiden~c, Irving {Ot'dlas) & Manchester (UK I "' !i I "' I Mr. Mitchell R. Setzer January 2, 2002 Page 2 of6 WorldTex, Inc. Co/umoiana, AL; Lexington, SC; Hickory, NC converted to temporary groundwater sampling points. Groundwater was sampled from many of these locations and prepared for ·laboratory analyses. Upon completion of soil and groundwater sampling activities, temporary well casings were removed and the boreholes were backfilled in an appropriate manner. In summary, no evidence of subsurface impact was identified at the Lexington, South Carolina or Hickory, North Carolina locations and no further investigation or action is warranted at these facilities. Trace concentrations of total lead and vinyl chloride were found slightly exceeding the applicable standards groundwater samples collected at the Columbiana, Alabama location. It may be appropriate for legal counsel to advise on potential release reporting obligations to the State that these detections may require. No other evidence of impact was identified in soil or groundwater exceeding applicable standards. The detected total lead concentrations are most likely attributable to natural background levels rather than evidence of a release. Although the vinyl chloride detection is isolated to a single sample location, further investigation may be required by Alabama to confirm !be concentration and demonstrate that it does not represent a likely potential to adversely effect human health and/or the environment. GaiaTech has been requested to conduct additional sampling at the Columbiana facility and will issue a supplemental report and recommendations by January 18, 2002. Columbiana, Alabama The following AOCs identified by GaiaTech during the ESA were addressed as part of the subsurface sampling scope of work: • Adjacent facility to the north of the 102 Industrial Road facility (north parcel) has been involved in remedial action regulated by Alabama Department of Environmental Management (ADEM). • Trench drains of unknown construction and condition exist at the 455 Highway 70 West (south parcel) location. • Drilled holes in the floor near the dye rnL,ing station in the building located on the south parcel. Soil Analytical Results Four soil borings were installed on the south parcel (SB-01 through SB-04). These borings extended to approximately 10 feet below ground surface (bgs). Four soil borings were installed on the north parcel (SB-05 through SB-08). These borings ranged from approximately 5 to 15 feet bgs, several of whlch were terminated on top of bedrock. Select soil samples were analyzed for volatile ·organic compounds (VOCs), semi-volatile organic compounds (SVOCs), 8 RCRA metals, and polynuclear aromatic ydroearbons (PAHs). Analyses of soil samples obtained from these borings do not indicate significant exceedance of ADEM or United States Environmental Protection Agency (EPA) screening standards. Several VOCs and SVOCs were noted above laboratory detection limits in the results, but all are below the EPA Region ill risk-based concentrations (RBCs) and Region IX preliminary remediation goals (PROs) used by ADEM to determine the necessity of additional assessment. PAH presence was below laboratory detection limits. I I I I I II • II Mr. Mitchell R. Setzer January 2, 2002 Page 3 of6 WorldTex, inc. Columbiana, AL; Lexington. SC; Hickory, NC A minor presence of mercury was noted at very low levels in 2 soil samples and arsenic was noted in several soil samples at low concentrations. The mercury presence is below the likely applicable screening standards. The range of naturally occurring arsenic in soils Is 0.1 to 40 mg/kg. Chromium presence was noted in several soil samples at values exceeding the ADEM initial screening levels. These chromium values are considered to be low and very near the lower end of the range for naturally occurring chromium (5 to 3,000 mglkg). Although both of these elements ·slightly exceed the ADBM screening srandarda, it is not believed that there Is a reportiJ,lg obligation in place for these results. In past conversations with ADEI'vi, they indicated that they prefer that all results be reported, although there is no specific regulation requiring this in non-underground storage tank (UST} situations. Groundwater During advancement of the soil borings, groundwater was encountered at approximately 5 feet bgs on the south parcel and at approximately 13 feet bgs (near top of bedrock) on the north parcel. Consistent refusal on hard rock prior to .encountering groundwater at the north parcel limited the number of groundwater samples that could be collected to four. Based upon field observations of the topography and borings, shallow groundwater is expected to flow toward the south on the north parcel and toward the west on the south parcel. Metals analyses of the groundwater indicates fairly low concentrations of several merals present across the 4 temporary wells (3 on south parcel and 1 on north parcel} sampled. Of these, oniy lead was found at levels above current ADEM primary drinking water standarda. Total lead concentrations ranging from 16 micrograms per liter (ug/L) to 33 ug/L were detected in the four groundwater sampling points. Although these concentrations slightly exceed the ADEM primary drinking water standard of 1.5 ug!L, it is not uncorrunon for similar levels to be detected from background lead concentrations in soils. Vinyl chloride was detected at a concentration of 4 ug/L, which slightly exceeds the ADEM primary drinking water limit of 2 ug/L. This sample was collected from TW-03, located along the west wall of the main building on the south parceL No other VOCs were detected above the ADEM standards. Based on past conversations and experience with ADEM, it is believed that they will most likely consider any presence of a regulated compound exceeding drinking water standards in waters of the State io be a release and therefore reportable to ADEM. It may be appropriate for legal counsel to advise on potential release reporting obligations for these detections to the State. Mr. Mitchell R. Setzer January 2, 2002 Page 4 of6 WoridTex, Inc. Columbiana, AL; Lexington, SC; Hickory, NC ADEM currently only has published groundwater quality standards established for primary drinking water. Non-potable groundwater sources are evaluated on a case-by-case basis using risk-based methodologies to assess the potential for impacting sensitive receptors such as surface water or drinking water supply wells. According to City Water Department, all residents and business are cOJmecled to the City drinking water supply system. Furthermore, as there are no readily available records of any drinking or other supply wells in the inuuediate area of the property, it is likely that less restrictive site specific groundwater standards above the maximum detected concentrations can be applied for the subject site. It is, however, likely that ADEM will request additional investigation to evaluate potential source areas and extent of the compounds as well as confirm that grouodwater is not used locally. GaiaTech has been requested to conduct additional groundwater sampling in this area to confirm the previous vinyl chloride detection as well as evaluate tl1e potential source area and extent of contamination, if present. . Lexington, South Carolina The following AOCs identified by GaiaTech during the ESA were addressed as part of the subsurface sampling scope of work: • Process wastewater from site operations is reported to have been previously discharged through an on-site septic system. No documentation is available characterizing this wastewater prior to discharge. A total of 7 soil borings were installed and select soil samples from 4 of the 7 borings were analyzed by a laboratory for VOCs, PAHs, and 8 RCRA metals plus zinc. Laboratory analyses indicates no VOCs or PAHs present above laboratory detection limits. Based upon these results, nothing further is required at lhls time. The analyses for metals indicate low metals presence, with a!! values falling within the range of naturally-occurring concentrations. Based upon these results, nothing further is recommended at this time. Soil borings were advanced to a depth of approximately 16 feet below ground surface with no appreciable groundwater being encountered during boring. No temporary wells were installed and no groundwater samples were obtained. Based upon the soil results, nothing further is recommended at this time. Mr. Mitchell R. Setzer January 2, 2002 Page 5 of 6 Hickory, North Carolina WorldTex, Inc. Columbiana, AL; Lexington, SC; Hickory, NC The following AOCs identified by GaiaTech during the ESA were addressed as part of the subsurface sampling scope of work: • A fanner gasoline underground storage tank (UST) is reported to have been on-site for an unknown number of years and is reported to have been removed in the late 1980s. No closure information is available. A total of 6 soil borings were installed and selec."! soil samples from 4 of the 6 borings were analyzed by a laboratory for VOCs, total petroleum hydrocarbom-gasoline range organics (TPH-GRO), and lead. Analyses indicate no VOCs and no TPH-GRO to be present above laboratory detection limits. The analyses for lead indicate a limited presence of lead in the soil sampled. The EPA Engineering Forum paper describing naturally-occurring inorganics lists average lead presence in soil to be 2 to 200 mg!kg. The North Carolina Department of Environment and Natural Resources (NCDENR) regulatory levels are an order of magnitude higher (8 to 10 times higher) than the results of this soil sampling and therefore not considered as indicative of impact and no further investigation would appear to be warranted. Groundwater Soil borings were created to a depth of approximately 16 feet below ground surface with no appreciable groundwater being encountered during boring. No temporary wells were installed and no groundwater samples were obtained. Based opon these results, nothing further is recommended at this time. Please contact me at 404.812.0001, extension 244 if you have any questions. Sincerely, GaiaTech Incorporated e:~ Manager, Hydrogeology Alabama Registration No.389 Norfu Carolina Registration No. 1388 N ,·. ·. '"· ., 30 I . . · .. . : .. ; . ' ' • '• .... .I' "' '.. . ·. ~ .. ~ -~ .· .. ----~~-~· ... 1·--:-• ·.·. ' . ·, ~--..... ,t . -~ .· · .... . :~. a:• . .' ~~-~~-~. • . .. : ·, . . .. . . . :,12TH AVENUE N~ ... .. '. ·.· .· '· .. ... . ·. LEGEND l!lli!IBUILDINGS QCONCRETE C]ASPHALT [SJ CANOPY/RAIN SHELTER r:z:d FORMER ON SITE UST PIT I:::::::J GRASS/VEGETATED AREAS GaiaTech1Nc. FEET -·' · . . '· .. 60 I •. '- ·.· . ·. • • • !c' .. ... -· • .. .. · . • • ....,__FENCE SB~B SOIL BORING LOCAllON I.IW-$-OFFSI1E MONITORING WELL FIGURE 2 BORING LOCA1\0N MAP Elwii0111Mftt111 Plwmlllafllr~ REGAL MANUFACTURING ---lt.f.·Su'"330·-.G!·JO.ll< 212 12TH AVENUE NE ~~ r;x <o<.81:1.t902 HICKORY, CATAWBA COUN1Y, NORTH CAROLNA llf,IWt ~ ~ 'FI~ / ;z. ~4?'2 1"=30' .t!l:fi: WORLDTEX H!CKORY.OWG No. 2 Client #: Address: COR-99-011201 Gaia Tech Page: Date: 3343 Peachtree Road, NE Suite 330 Log #: Page 1 of 3 12/13/2001 LSB573-1 Atlanta, GA 30326 Attention: Rob Deal Sample Description: Hickroy, NC Proj.#: 6330-420-0 Parameter J?ercent Solid ~~Wff~t-unds Acetone Acrolein Acrylonitr.i le Benzene , Bromobenzane Bromochloromethane Bromodiahloromethane Brotnofo:rm Bromorne thane n-Butylbmizene sec-Butylhenzene tert-Butylben~ene Carbon Disulfide Carbon Tetrachloride Chlorobenz:ene Chloroethane 2-Chloroethylvinyl Ether Chloroform Chloromethane 2-Chlorotol'uene 4-Chl.orotoluene Dibromochloromethane ~~ 2-Dibronlo-3 -Chloropropane 1,2-Dibromoethane Dibromomethane 1, 2~Dichl.orobenzene Results 79 llDL BDL BDL BDL llDL BDL BDL BDL BDL fJDL fJDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL EDL BDL Analytical Report: BB-01,12-16' Date Sampled: 12/0S/2001 Time Sampled: 10:29 Date Received: 12/06/2001 Collected By: Client Units Method -SM2540H mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 rug/kg (di<) 5035/8260 rug/kg (d\•) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 WB/kg (dW) 5035/8260 mg/kg (dwl 5035/8260 mg/kg (dwl 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dwl 5035/8260 mgrAg (dw) 5035/8260 mg/kg (dw) 5035/B2fiO mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dwl 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dwl 5035/8260 Reportabla Extr. Anly. Limit Data Date Analyst 0 .. 10 0.070 0. 035 0.035 0.0028 0.0070 0.0070 0.0028 0.0070 0.0070 0.0070 0.0070 0.0070 0.070 0. 0070 0.0070 0.0070 0,070 0,0070 0,0070 0.0070 0.0070 0.0028 0.0070 0,0028 0.0070 0.0070 ~2/07 ~2/07 SP 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 BL ),2/08 8[, 12/08 BL 12/08 BL 12/0S BL 12/08 BI, 12/08 BL 12/08 BJ, 12/08 EL 12/08 BL 12/08 BL 12/08 BL J.2/08 BL J.:?./00 BL 1.2/08 BL 12/08 BL J.2/0B BL 12/08 BL 12/08 BL 12/08 BL 12/08 EL 12/08 BL 12/08 BL 12/0B BL 12/08 BL 12/08 BL US Eio.system.s 3231. UW 7th Av~n\t<'! Boca Raton, FL 33411 {8SS) 802·522? Client #: Address: COR-99-011201 Gaia Tech Page: Date: 3343 Peachtree Road, NE Suite 330 Log #: Page 2 of 3 12/13/2001 L58573-1 Atlanta, GA 30326 Attention: Rob Deal Sample Description: Hickroy, NC Proj.#: 6330-420-0 Pa:rameter iQ~~~Jr~~nds 1,3-Dichlorobenzene 1,4-Dichlorobenzene 1 Dichlorodifluoromethane l,~-Dichloroethane 1,2-Dichloroethane 1,1-Dichloroe~hene cis-1,2-Dichloroethene trans .. ll2-Dichloroethene 1,2-Dichloropropane l 1 3-Dichloropropane 2r2-Dichloropropane 1~1-Dichloroprope11e cis-1,3-DichlorOpropene trans-1,3-Dichloropropene Ethylbenzane Hexachlorobutadiene 2-Hexanone Isopropyl Benzene 4-Isopropyl Toluene MEK (3 -Butanone) Methylene Chloride MIBK "(4 -Methyl-2_.Pentanone) ~ITBE Naphthalene n-Propylben'2::ene Styrene ltl 1 1,2~Tetrachloroathane 111,2, 2-'l'etrachloroethane Tetrachloroethane Toluene Total Xylenes ~,2,3-Trichlordbenzene ~,2,4-Trichlorobenzene l,l,l-Trichloroethane 1,11 2-Trichloroethane Trichloroethene Trichlorofluo:romethane 1,2,3-Trichloropropane ~~2~4-Trimethylbenzene Analytical Report: SB-01,12-16' Date Sampled: 12/05/2001 Time Sampled: 10:29 Date Received: 12/06/2001 Collected By: Client Reportable Extr, Anly. Results units Method Limit Datm DatG Analyst (continued) BDL mg/kg (dw) SOlS/8260 J3DL mg/kg [dw) 5035/8360 Bm~ mg/kg (d•,;) 5035/8260 ·BDL mg/kg (d•,;) 503.5/8260 BDL mg/kg (dw) 5035/8260 BDL mg/kg (dw) 5035/8260 BDL mg/kg (dw) 5035/8260 BDL mg/kg (dw) 5035/8260 BDL mg/kg (dw) 5035/8260 BDL mg/kg (dw) 5035/8260 BDL mg/kg (dw) 5035/8260 J3DL mg/kg (dw) 5035/8260 BDL mg/kg (dw) 5035'/8260 BDL UB/kg (dw) 5035/8260 BDL nB/kg (dw) 5035/8260 BDL mg/kg (dw) 5035/8260 BDL mg/kg (dw) 5035/8260 BDL mg/kg (dw) 5035/8260 BDL mg/kg [dw) 5035/8260 BDL mg/kg (dw) 5035/8260 BDL mg/kg (dw) 5035/8260 BDL mg/kg (dw) 5035/8260 BDL mg/kg (d>,l) 5035/B260 BDL mg/kg (dot) 5035/8J60 BDL rng/kg (dw) 5035/8260· BDL mg/kg (dw) 5035/8260 BDJ, mg/kg (dw) 5035/8260 BDL mg/kg (dw) 5035/6260 BDL mg/kg (dw) 5035/8260 BDL mg/kg (dw) 5035/8260 llDL mg/kg (d") 5035/0260 BDL mg/kg (d•") 5035/8260 EDL mg/kg (dw) 5035/8260 BDL mg/kg (dw) 5035/6260 BDL mg/kg (dw) 5035/8260 BDL mg/kg (dw) 5035/8260 BDL rng/kg (dw) 5035/8260 llDL mgfkg (dw) 503 5/8260 BDL rngfkg (dw) 5035/8260 0.0070 0.0070 0.0070 0.0070 0.0070 0.0070 0.0070 0.0070 0.0028 0,0070 0.0070 0.0070 0.0028 0.0028 0.0070 0.0070 0.070 0.0070 0.0070 0.070 0.014 0.070 0.070 0.0056 0.0070 0.0070 0.0070 0,0014 0,0070 0.0070 0.0070 0.0070 0.0070 0.0070 0.0070 0.0070 0.0070 0.0028 0.0070 12/06 12/06 1.2/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 :1.2/06 12/06 1.2/06 12/06 12/06 12/06 12/06 12/06 l3/06 12/06 12/06 l2/06 14/06 12/06 12/06 12/06 12/06 l2/06 l-2/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 l2/06 12/08 BL 12/08 BL 12/08 BL 12}08 BL 12}08 BL 1.2/08 HL 12/08 BL 12/08 ru, 13/08 , BL 12jos BL 12/08 BL l2j08 BL 12/08 BL 12/09 BL 12/08 BL 12/08 BL 12/0B BL 12/0B BL l2/09 BL l2/09 BL l2/08 BL 12/08 BL 12/08 BL 12/08 BL 12/08 J3L 12/08 BT, l.2/08 J3L 12/08 BL 12/0B BL 12/08 BL 12/08 BL l.2/08_ BL l2/09 BL l-2/08 BL 12/08 l3L 12/08 BL 12/oa Br~ 1.2/08 J3L 12/08 J3L I I I I I I I I I I f I [ [ [ r Cli~t #: COR-99-011201 Address: GaiaTech 3343 Peachtree Road, NE Suite 330 Atlanta, G~ 30326 Attention: Rob Deal Sample Description: Hickroy, NC Proj.#: 6330-420-0 Page: Page 3 of 3 Date: 12/13/2001 Log #: LSB573-1 Analytical Report: SB-01,12-16' Date Sampled: 12/05/2001 Time Sampled: 10:29 Date Received: 12/06/2001 Collected By: Client Reportable Extr, Anly. l?aramete.r ResuJ.ts Units Method Limit Date Data Analyst ¥"~'fil!gf.fRI];];Nfl8unds l 1 3r5-Trimethylbenzene Vinyl Acetate Vinyi Chloride Dilution Factor Surrogate Recoveries~ Dibromofluorometha!l.e Toluene-D9 4-Bromofluorobenzene (continued J BDL BDL BDL 1.~ 121 103 93.0 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dwJ 5035/8260 5035/8260 ~ 5035/8260 % 5035/8260 % 5035/8260 0.0070 0.014 0.0056 52~155 46~154 36-l38 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/08 12/08 1?./08 12/08 22/0B 12/08 12/08 BL BL BL BL BL BL BL Lead 38 mg/kg (dwJ 3050/6010 L3 12/10 12/10 SB ~~~T:f{tii<Wil~s GaSoline Range Organics Dilution Factor Surrogate Redoveries: ara,a-Tri~luorotoluer~ BDL 1.0 63.0 ugfkg (d") 5030/801.5 5030/8015 5030/8015 630 36-133 ~2/12 ~2/12 12/12 12/12 GG 12/12 GG 1?./12 GG All ~lys~s we;o;e perla:x:ll'tad usiug F.PA, 1\SM-1~ NIOSB, USGS, or Standard Met;hodn and certified to m~et. N&LP..C rmqu.i.t:2;:rtE:nts, Flags: llDL or U··bclow reporting limit; DL-dilnt~d out.; rL-meets internal lab lintits; MT-tr ... l.Lri:x interference; NA-not appL Flllgu.: CFR-Pb/Cu .:>;uJ,et .ND•i"}(fii det-ect. !JtL estimated! ; NFr..-no free liquids; dtl··d:ty ~t; W\~-'..ret •.tt; C (II) -see ai:i:ached, usa CQde Irt.DEP Flags: J{j)~esl:imated J.:uurr. fail 2:no knmm \:C req;, l;QC fail tR or 'tR!?Dt oi;mat.ri-,.;:: .int. S:imprcper fld. protocol FLDRI' Flags: L-exceedn calibration; Q-holding !!ime exceeded; '!'-value <: MDL; V-presem: in blank FLDEP Flagsr Y-improper pre9e~raeion; a-colonies exc~ed range; !-result between MDL and ~L QAPf-980126 SUR IA~Jf ~GL12,S5109,P.8i,04B ~~ CERT# ~Q03100l ELI?J\'1'# 13801, VA CER'l':f-00395 DOHllo E66240 ADEM LD# 40S.Sn' TN CSR'l'1f 0:2985 ffi\ CERTif: 917 NC CERTif 444 Mit CE:R'l'tf M"YL443 C'I' CERTj J?lj-1)},32- USDA Soll Bermit# S-3Sl40 R~~bmitted, Monaliaa Beasley Project Manager us Biosystams 3231 NW 7th Avenue Boca Raton, F~ 3341l (083)662-5227 I I I I I I I J I I ' Client #: Address: COR-99-011201 GaiaTech 3343 Peachtree Road, suite 330 Atlanta, GA 30326 Attention: Rob Deal Sample Description: Hiclcroy, NC Proj.#: 6330-420-0 .l?aramat.ar Results NE J?age: Date: Log #: Page 1 of 1 12/13/2001 L58573-2 Analytical Report: SB~02,l2-l6' 12/05/2001 11:28 12/06/2001 Client Unita Pate Sampled: Time Sampled: .Date Received: Collected By: Reportabls Extr, Anly, Method Limit Date Date Analyst All analyse~l were perfo-rmed using EE.A, ASTM, ~UOSH, USGS, or StandArd Methods and certified t.o meet NELAC r:eqUiremeut.s. Flag:ru BDL. or U-below: .reporting lhtit; DL-di1uted. out.; l:L~meato int::at:nal la.b limits; f>.fi-!T11'1trix. interf-erence; NA-oo!~ appl. F.lags: CFR-Ph/<:u. rula; ND-non detect !RL estimated}; NFL·· no free liquids; du-d:ry wt; 1m-wet:. ~11:.; C(ii:)-see attaehed USE code FLOEP Fl1:191'" J(/H -estimated ~;su1:r. fail. 2 :no known QC -req. 3:QC: fall tR or %RPD; 4 :mat.rix int. s~i.,..prqleor fld. protocol FLDE~ Flage1 L-exceads calibration; Q-holding ti~ exceedeU; r-value ~ MOL: V-pr~o~nt: in blank F'UJRP Flags~ Y-improper preservation; n-co1ardea exceed ranga; IT~I'!Sl.\lt be:tW<!en IDL and PQL QM>if 9SOJ.26 BUD DOHi 8€122,861G9,S86043 SC CSRTi 96031001 EI.d!MI!' 1381ll VA CEP.:tlf 00395 OOH# !:86240 ADEM Illl!: 40850 'I'M CEitri¥ 02985 GA CERT;l 917 CT C8RT~ PH-0~22 USDA SOil Permit# S~J5240 Respectfully submitted, Monali.sa Beasley Project Man.;tger Client #: Address: COR-99·011201 GaiaTech 3343 Peachtree Road, NE Suite 330 Atlanta, GA 30326 Attention: Rob Deal Sample Description: Hickroy, NC Proj.#: 6330-420-0 !?age: Date: Log #: Page 1 of 3 12/D/2001 L58573-3 Analytical Report: SB-0 3, 12 c. 16' Date Sampled: 12/05/2001 Time Sampled: 12:20 Date Received: 12/06/2001 Collected By: Client Repo~tab1e Extr. An1y. Parameter Results Units Method Limit Date· Date Analyst ~i!!f~~-~~lWM~IIt~ Percent Solid M§[..W~my:W1\f&!~lltt>und" Acetone Acrolein Acrylonitrile Benzene Brornobenz eue Bramochlorcmathane Bromodich1oromethane Bromoform Bromornethane n-Butylben7.ene sec-Butylbenzene tert-Butylbenzene Carbon Disulfide carbon Tetrachloride Chlorobenzene Chloroethane 2-Chloroethylvinyl Ether Chloroform Chloromethane 2 -Chlorotoluene 4-Chlorotoluene Dibromochloromethane 1,2-Dibromo-3-Chloropropane 1,2-Dibromoethane Dibromomethane '1,2~Dichlorobenzene 66 BDL BDL BDil BDI, BDL BDL BDL BDL BDL BDL BDL BDL' BDL BDL BDL BDL BDL BDL BDL BDL BOL BDT"' BDIJ BDL BDL BDL SI'!2540B rng/kg (dwl 5035/8260 mgjkg (d••l 5035/8260 mg/kg (dw) 5035/8260 mg/-kg {dw) 5035/8260 mg/kg (d\<) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/k:g {dVI) 5035/8260 mg/k:g (dvt) 5035/8260 mg/kg {dwl 5035/8260 mg/kg (dw) 5035/8260 mg/kg (d;t) 5035/8260 m!J/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 m!J/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dwl 5035/8260 m!J/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dvt) 5035/8260 mg/kg (dw) 5035/8260 mg/kg {dw) 5035/8260 mg/kg (d") 5035/8260 0.10 0.083 o. 042 0.04:?. 0.0033 0.0083 0.0083 0.0033 0.0083 0.0083 0.0083 0.0083 0.0083 0.083 0.0083 0.0083 0.0083 o:os3 0.0083 0.0083 0.0083 0.0083 0.0033 0.0093 o.oop 0.0083 0,0083 12/07 12/07 EP 12/06 12/06 12/06 12./05 12/06 12/06 12/06 D/06 12/06 12/06 12/06 ,12/06 12/06 J.2/05 n/o6 l2/06 12/06 12/06 12/06 12/06 12/06 l<l/06 12/06 12/06 12/06 12/06 l.2/0S U/08 12/08 1.2/08 12/0B 12/0fl 12/08 12/08 12/08 12/08 12/0S 12/08 12/0B 12/08 12/08 12/08 12/08 12/08 12/08 l2/08 12/08 12/08 12/08 l.2/08 12/08 12/08 BL SL BL BL BL BL BL BL BL BL BL BL BL BL BL BL BL BL BL BL BL BL BL BL BL BJ, US Biosystems 3231 l~ 7th Avenua aoca Raton, FL 3343~ (833)8S2-5227 client #: Address: COR-99-011201 GaiaTech Page: Date: 3343 Peachtree Road, N.E Suite 330 Log #: Page 2 of 3 12/3.3/2001 L58573-3 Atlanta, GA 30326 Attention: Rob Deal Sample Description: Hickroy, NC Proj.H: 6330-420-0 !"a:rameter ~~~~unds 1!3-Dichlorobenzene ~~4-Dichlorobenzene Dichlorodifluoromethane ~1 1.-Dichloroethane 1,2-Dichloroethane 1,1-Dichloroethene cis-1,2-Dichloroethene trans-1,2-Dichlcroethene 1,2-Dichloropropane ~.3-Dtchloropropane 2j2-Dichloropropane 1.,1-Dichloropropene cis-1,3-Dichloropropene trans-1, 3-Dichlo:roprop_ene Ethylbenzene He:::tachlorobutadiE'-..ne 2-Hexanane Isopropyl Benzene 4-Iaopropyl Toluene ~IEK ( 2 -llutanone) Methylene Chloride MIBK ( 4-~lethyl-2-Pentanone) MTBE Naphthalene n-Propylbenzene styrene 1.1 1,1,2-Tetiachloroethane 1,1,2~2-Tetrachloroethane Tetrachloxoethene Toluene TotalXylenes ~~2,3-Trichlorobenzene 1 1 2,4-Trichloroben.zene 1 1 ~,1.-Trichloroethane 1 1 L1 2-Trichlbroethane Trichloroethene Ti-ichlorofluoromethane ~.2,3-Trichlo:rop:ropane ~,2,4-Trimethylbenzene Results (continued) BDL BDL EDL BDL BDL BDJ..~ BDL BDL BDL BDL BDL BDL BDL BDL BDL EllL EDL BDI, BDL BDI, BDJJ .llDL BDL EDL BDL BDL BDL EDL BDL llDL BDL BDL BDL BDL EDL BDL EDL BDL BDL Analytical Report: SB-03,12-16' Date Sampled: 12/05/2001 Time Sampled: 12:20 Data Received; 12/06/2001 Collected By: Client Units Method mg/kg {dw) 5035/B260 mg/kg (dw) 5035/8260 mg/kg (dwl 5035/8260 mg/kg (dwl 5035/8260 mg/kg (dw) 5035/8260 rr,g/l<g (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (d'n) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (d~r) 5035/8260 mg/kg (d>t) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (d'#) 5035/8260 mg/kg (dvr) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mgfkg (dw) 5035/8260 mg/kg (dw} 5035/8260 mg/kg (dw} 5035/8260 mg/kg (dw} 5035/8260 mg/kg (dw) 5035/8260 mg/kg {d•t) 5035/8260 mg/kg (dw] 5035/8260 mg/kg (dw] 5035/8260 mg/kg (dw) 5035/8260 _, mg/kg (dw) 5035/8260 mg/kg (dw} 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mgfkg (dw) 5035/8260 Reportable Extr. Limit; Date 0.0083 0.0083 0.0083 0.0083 0.0083 0,0083 0.0083 0,0063 0.0033 0.0083 0.0083 0.0083 0.0033 0.0033 0.0093 0,0083 0. 083 0. 0083 0.0083 0.083 0.0~7 0.083 0.083 0,0067 0.0083 0,0083 0,0083 0,0017 0.0093 0.0093 0.0083 0.0083 0.0083 0.0083 0.0083 0.0083 0.0083 0. 0033 0.0083 12/06 12/06 12/06 12/06 12/06 12/06 12/06 :1.2/06 22/06 22/06 12/06 ~2/06 12/06 12/06 12/06 12/06 12/06 12/06 ~2/0G 12/06 12/06 12/06 12/06 12/06 12/06 12/06 :12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 1'2/06 12/06 Anly. Date At>alyst 12/08 BL 12/08 BL 12/08 BL 1.2/08 BL 12/08 BI, 12/08 BL 12/08 BL 12/08 BL 12/08 BL 12/08 BL 12/08 BL 12/08 BL 12/08 llL 12/08 BL :1.2/08 BL 12/08 EL 12/08 BL 1.2/0!l BL 12/08 BL 12/08 BL 12/08 BL ~2/08 BL 12/08 BL 12/08 BL 12/08 BL 12/08 BL U/08 BL 1.2/08 BL 12/08 BL 12/08 I'lL 12/08 I'lL 12/08 BL 12/08 BL 12/08 BL 12/08 I'lL 12/08 BL 12/08 BL 12/08 IlL 12/08 BL us Biosystems 323l ffW 7th Avenue Boca Raton, li'L! 334.31 (888)862-5227 I I t I Client #:: Address: COR-99-011201 GaiaTech 3343 Peachtree Road, I-rE Suite 330 Atlanta, GA 30326 Attention: Rob Deal Sample Description: Hickroy; NC Proj .#: 6330-420-0 Page; Date: Log #: Page 3 of 3 12/13/2001 L58573-3 Analytical Report: SB-03,12-16' Date Sampled: 12/05/2001 Time Sampled: 12:20 Date Received: 12/06/2001 Collected By: Client Reportable m~tr. Anly. Parameter Results Units Method Limit Date Data Analyst \\fci'm'l'l!t~"~~""'"'~-·"'"" unds ·c.~ ••• -~Wf.~"~~~~}j~:;K~~t'J 1,3,5-T:rimet.hy:tbenze:ne Vinyl Acetate Vinyl Chloride Dilution Factor Surrogate Recoveries: Dibromofluoramethane Toluene-·DB 4-Bromofluorobenzene &aJl~Iir~;m~g•~ Le.ad m~mtt~~s Gasoline Range Organics Dilution Factor Surrogate Recoveries; a,a1 a-Tri£1uorotoluene I continued) BDL. BDL BDL l.l lll 97,0 80.0 58 BDL l,O 78.0 mg/kg (dw) mg/kg (d<l) mg/kg {dw) 9,· "' % mg/kg (dw) ug/kg (dw) % 5035/B260 0,0083 12/0f 12/08 5035/8260 0.017 12/06 12/0B 5035/8260 0.0067 12/06 12/0B 5035/8260 12/ ()6 12/08 5035/8260 52-155 12/06 12/08 5035/8260 46-154 12/06 12/08 5035/8260 36-138 :12/()6 12/08 3050/6010 1,5 12/10 12/10 5030/8015 760 12n2 l2/12 5030/8015 :1,2/12 12/12 5030/8015 36-:1,33 12/12 l2/12 All. analyses were p~rlormed using EPA~ Jo...S'l"H, NIOSH, usas, or Standal;'d Methods and certiEiad to !l'!l?.et NBLAC raqu.i:cau;;onts. ll~lags: BDI. or. U-ba1ow reporting l:L."'lit; DL-diluted out; IL-meets internal lab limits; MT~matrix interference; NA-not ap.pL · Plugs: CFR.-Pb/CU rule; ND-non detact (RL e.stlruatedi; twt.~no f:t.:eP ligui6s; dw-dty wt:; w11~wet. wt; CHtl •iS'$!; attnched USR code ~p Flag~: Jt~}~eatimnted l:Qurr, fail 2>no knotnl Q~ req, 3:QC fail t~ or %RPD; 4:matxix int. 5:improper £ld. protocol FLDBP .Plags: L-a..-..:m~eds calibration; Q-holdipg time exceeded; T-valuo < MOL; V-present in blank i"LOBP !?lags: Y-1mprope:c preservqtlon; B-colonies. rncc<;ed rang-e; :r-result between MDL and J?QL QAP# 9\t0126 ,gae DOH! 9Gl~2,851g9,E66049 sc C:::!R"l'l 9603101ll ELPAT:!.! lJ80:1. VA CERT/t OOJ95 DOli# E8G240 ,;4..D£M I!Jij. 4{!$50 TM CERTif 019135 GA CSRT# 91? NC C£R"r; 444 HA CER'l'!f M-FL449 CT CER'l'~ PH-0122 USDA Soil Pel·m.n-tt-S-35240 Respe:tfut}\:J'~mitted, ~!on[~ Project ~ianager US lliosystems .323~ NW 7th Av~nua Scca ·RatonT FL 334-J~ {il8S) 862 .. 5227 BL BL BL BL BL BL BL SB GG GG GG Client #: Address: COR~99~0~1201 GaiaTech Page: Date: 3343 Peachtree Road, NE Suite 330 Leg Jl:: Page 1 of 3 12/13/2001 L58573-4 Atlanta, GA 30326 Attention: Rob Deal Sample Description: Hickroy, NC Proj.#: 6330-420-0 J?ax-amater Percent Solid w!li~Wl11'c.@ilfGunds Acetone Acrolein Acrylonitrile Benzene Bromobenzene Bromochloromethan~ Bromodichloromethane Bromoform Bromomathane n-But:ylbenzene sec-Butylbenzene t.ert-Butyl.benzene Carbon Disulfide carbon Tetrachloride Chlorobenzene Chloroethane 2-Chloroethylvinyl Ether Chloroform Chloromethane 2-Chlorotoluene 4-Chlorotoluene Dibromochloromethane 1.,2-Dibromo-3-Chloropropane- 1/2-Dibromoethane t>ibromomCthane 1,2-DichlorobenZene Results 85 !!DL BDL BDL BDL BDL BDL BDL BDI, BDL BDL BDI1 BDL BDI. BDL BDL DDI. BDL BDL BDL EDL BDI. BDL BDL BDL BDL BDI. Analytical Report: SB-04, 1.2-16' Date Sampled: 12/05/2001 Time Sampled: 13:01 Date Received: 1.2/06/2001. Collected By: Client units SM2S40B mg/kg (dw) 5035/8260 mg/kg (dwl 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (d11) 5035/8260 rug/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg {dw) 5035/8260 mg/kg (dw) 503S/B260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg {dw) 5035/8260 mg/kg {dw) 5035/8260 mg/kg (dw} 503S/8260 mg/kg (dw) 5035/8260 mg/kg (d>!) 5035/8260 mg/kg (dOl) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dOl) 5035/8260 mg/kg (dw) 5035/8260 Reportable Extr. Anly. I.imit Data Date Analyst 0.10 0.071 0.035 0. 035 0.0028 o.oo11 0. 0071 0.0028 o.oon o.oon 0.0071 0. 0071 0.0071 0,071 0. 0071 0.0071. 0. 0071. 0.07l. o.oon 0.0071 0.007]. 0. 0071 0.0028 0.0071. 0.0028 0.0071. 0. 0071 1.2/07 12/07 EP 1.2 I oo 1.2/06 J.2/06 J.2/06 1.7./06 1.2/06 1.2/06 1.2/06 1.2/06 l.2/06 J.2/ 06 J.2/0G 12/06 l.2/06 J.2/06 1.2/06 :l.2/ 06 1.2/06 1.2/06 12/06 12/0G njo6 1.2/06 1.2/06 ~2/0G l2/0G 12/10 BL l2/l0 BL 1.2/lO BL ~2/10 BI, 1.2/1.0 BL 12/1.0 BL 1.2/lO BL l.2/1.0 BL J.2/1.0 BL J.2/l0 BL 1.2/10 BL 1.2/l.O BL 1.2/10 BL 12/1.0 BL 1.2/1.0 BL 1.2/10 BL 1.2/1.0 l3L 1.2/1.0 BL J.2/1.0 BI, 12/1.0 BL 1.2/1.0 BL 1.2/lO BL 1.2/1.0 BL 1.2/lO BL 1.2/10 BL 1.2 /J.O BL trS Biosyatems 32>1 NW 7th Avenue Boca Rnton1 FL 33431 {SS8)862-5l27 Client #: COR-99-011201 Address: GaiaTech 3343 Peachtree Road, NE Suite 330 Atlanta, GA 30326 Attention: Rob Deal Sample Description: Hickroy, NC Proj .#: 6330-420-0 Page: Page 2 of 3 Date: 12/l3/2001 Log #: L58573-4 Analytical Report: SB-04,12-16' Date Sampled: 12/05/2001 Time Sampled: 13:01 Date Received: 12/06/2001 Collected By: Client Reportable Extr. Anly. Parameter Results Units Method Limit Date Date Analyst ~~J;Jtt¥£l{~~iW.~J.i~~§£ift.lWf.~und~ 1,3-Dichlorobenzene 1,4-Dichlorobenzene Dichlorodifluoromethane 1,1-Dichloroethane 1 1 2-Dichloroethane 11 1-Dichloroethene cis-1 1 2-Dichloroethene trans-J:-, 2-Dichloroethene 1,2-Dichloropropane 1,3-Dichloropropane 2,2-Dichloropropane 1 1 1-Dichloropropene cis-1,3-Dlchloropropene trans ·-11 3 -Di chloropropene Ethylbenzene Hexachlorobutadiene 2-Hexanone Isopropyl Benzene 4-Isopropyl Toluene MEK(2-Butanone) Methylene Chloride MIBK(4-Methyl-2-Pent.anone) MTBE Naphthalene n-Propylbenzene Styrene 1,1,11 2-Tetrachloroethane 1,1,2,2~Tetrachloroethane Tetrachloroethene Toluene Total Xylenes ~,2,3-Trichlorobenzene l 1 2 1 4-Trichlorobenzene 1,l,l-Trichloroethane l,l,2-Trichloroethane Trichloroethene Trichlorofluoromethane 1,2 1 3-Trichloropropane 1,2;4-Trimethylbenzene (continued) BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL mg/kg (d>l) ·5035/8260 mg/kg (dw) 5035/8260 mg/kg (d'd) 5035/8260 mg/kg (d>l} 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg'/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8360 mg/kg (dwl 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 0.0071 0.0071 0.0071 0.0071 0.0071 0.007l 0. 0071 0. 0071 0.0028 0 '0071 0.0071 0.0071 0.0028 0.0028 0. 0071 0.0071 0.071 0.0071 0.0071 0.071 O.Ol4 0.071 0.071 0.0056 0. 0071 G. 0071 0.0071 0.0014 0. 0071 0. 0071 0. 0071 0. 0071 0. 0071 0.0071 0' 0071 0.0071 0.0071 0.0028 0. 0071 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 l2/06 12/06 12/06 12/06 12/06 U/06 12/06 12/06 12/06 12/96 12/06 12/06 12/06 12/06 US Biosystema 3231 NN 7th Avenue Boca Raton, E'L 33-131 (888) 86'2-.S:227 J.2 I 10 12/10 12/10 12/10 12/lO 12/10 12/10 12/10 12/10 12/10 12/10 12/10 12/10 12/10 12/10 12/10 12/10 12/10 12/10 12/10 12/10 12/10 12/10 12/10 .12/10 12/10 12/10 12/10 12/10 12/10 12/10 12/10 12/10 12/10 12/10 12/10 12/10 12/10 12/10 BL BL BL BL BL BL BL BI, BL BL BL BL BL BL BL BL BL BL BL BL BL BL BL BL BL BL BL BL BL BL BL BL BL BL BL BL BL BL BL C~ient #: Address: COR-99-011201 Gaia Tech 3343 Peachtree Road, NE Suite 330 Atlanta, GA 30326 Attention: Rob Deal Sample Description: Hickroy, NC Proj.#: 5330·420-0 Page: Date: Log#: Page 3 of 3 12/13/2001 L58573-4 Analytical Report: SB-04,12-16' Date Samp~ed: 12/05/2001 Time Samp~ed: 13:01 Date Received: 12/06/2001 Collected By: Client Reportab~e Extr. Anly. Parameter Results t!nita · Method Limit Date lJate 1Ula1yst ifi.~Jil:i.®:;,~-m..W~,=::;~,;~~~YJ~unds ,.<P.l'f..-§lfu<."<>~'li!iE'*.!\>1!""' 1, 3 1 5-Trirnethyiben~ene Vinyl Acetate v:i.nyl Chloride: Dilution Factor Surrogate Recoveries: Dibromofluoromethane Toluene-De 4-Bromofluorobenzene ~~~~~~1- Lead ~if'J.ii~ljJfj~s Gaaa1ine Range Organics Dilution Factor Surrogate Recovaries: ara,a-Trifluorotoluene (continued) BDL mg/kg BDL mg/kg BDL mg/kg :1.2 81.0 % 54 .o % 44.0 % 59 mg/kg BDL ug/kg LO 70.0 % (dw) 5035/8260 0.0071 U/06 12/10 (dw) 5035/8260 0~014 l2/06 12/J.O (dw) 5035/8260 0.0055 12/06 12/J.O 5035/8260 12/06 12/10 5035/9260 52-155 12/06 12/10 5035/8260 46-154 12/06 12/10 5035/B260 36-13!3 J.2/06 J.2/10 (dw) 3050/6010 1.2 12/10 l2/10 (dw) 5030/8015 590 12/12 12/12 5030/8015 12/12 12/12 5030/8015 36-133 12/12 12/12 All analyst!s wen~ per.foa:me.d using EPA. JtSTit, NlOSH, 1:1SGS, or Standard Methods and t:a::r:t;ified to mflt>l:: NEJAC requirements. Flags: BDL or li-bdow reporting lindt; DL~dillll:ed outr Ii.>~~t~Hets int.erne.l lab limits< ML-matri:z int.e1:.Eerence; NA~not a!lpL Flag-a; CfR;-l'b/CU :rule; ND-non det~>ct.{Rt. estimated}; .Nli'L~na free liquids; dw~dry 11t1 ww-~'ff!t wt; C{-/f}-aee attached trSB code FLDEP Flags: J{~{-estimated ltsurr. fail z,no known 0C r~q. J,QC fpil ~R or %RPD; 4:matriA int. S;imp~oper rld. protocol FLOE-I? Fla9-5: r ... exceed.s calibration; Q-holding time exceeded; '!'~value < YJJJ,; 11-present; in blank l!'LOEP Fla.ga: ¥-improper p:ceservar:ir.u:q 2-r:olonil'W' e.Kceed nnge; !-result betv1een }!!)It and FQit QAtMI' 91!0126 BUB DOHJI-861.2:2, 9610;J,Ell504fl SC C£RT1/ 960:310 01 ELPA'I'it lJ801 VA etm'I'i# Oil39S DOH# EB6240 ADEM lDjf 4085!} TN CBRTH" 02SI1.1S GA. CI!!RTll-917 NC CERT# 4•Jil. '-i'< Cl!Jfi;T# M-FL449 CT CERTff PM-0122 USDi\ Soil Pe:rmit:-:1 S-35240 Re~mitt.ed, Monalisa Beasley l?roj ect Manu.ger BL BL BL BL BL BL BI., SB GG GG GG Client #: Address: COR-99-0U201 Gaia Tech l'ag_e: Date: 3343 Peachtree Road, NE Suite 330 Log #: Page 1 of 3 12/D/2001 L58573-5 Atlanta, GA 30326 Attention: Rob Deal Sample Description: Hickroy, NC Proj.#: 6330-420-0 i\t~@!~,g~Jlt<i'$Mfi.'r~unds Acetone Acrolein Acrylonitrile Benzene Bromobenzene Brornocbloromethane Bromodichloromethane Bromoform Bromomethane n-Butylbenzene sec~autylbenzene tert-Butylbenzene Carbon Disulfide Carbon Tetrqchloride chlorobenzene Chlo:coethane 2-C~oroethylvinyl Ether Chl-oroform Chloromethane 2-Chlorotoluene 4..;Chlorotaluene Dibromochloramethane J., 2-Dibromo~~ 3 -Chl o:ropropane 1,2-Dibromoethane .nibromomet:hane 1,2-Dichlorobenzene ResultS 75 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BfJL BDL BDL BDL BDL BDL sm, Analytical Report: SB-05,8 12' Date Sampled: 12/05/2001 Tims Sampled: 14:06 Date Received: 12/06/2001 Collected By: Clia.nt Un:tts Method SM2540B rug/kg (dw) 5035/8260 mg/kg (dw) 5035/6260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 rug/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw] 5035/8260 mg/kg (dw) 5035/8260 rug/kg (dw) 5035/8250 rug/kg (dw) 5035/8260 mg/kg (dw) 5035/$260 mg/kg (d>t) 5035/8260 mg/kg (dw) 5035/8260 rug/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 rng/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg [d'l) 5035/8260 mg/ks (d<v) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8250 rug/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 Reportable Ex.tr ~ ~..nly. Limit Date-:Date Analyst 0.10 0.058 0.029 0.029 0.0023 Q. 0058 0.0058 0.0023 0.0058 0.0058 0.0058 0.0058 0.0058 0.058 0,0058 0.0058 0.0058 0.058 0.0058 0,0058 0.0058 0.0058 0. 0023 0.0058 0.0023 0.0058 0.0058 12/07 12/07 EP l2/06 12/06 12/06 l2/06 l2/06 12/06 12/06 12/06 J.2/06 12/06 J.2/06 12/06 12/06 12/06 12/06 l2/06 12/06 12/0G 12/06 J.2/06 12/06 12/06 l2/06 12/06 12/06 12/06 :1.2/10 BL 12/10 BL :1.2/10 EL 12/10 BL 12/10 BL 12/10 BL l2/10 BL J.<l/J.O BL 12/10 BL 12/10 BL 12/10 BL 12/10 BL 12/10 EL l2/l0 BL 12/10 BI, 12/10 BL l2/10 BL 12/10 BL 12/10 BL 12/lO BL 12/Io sr, 12/10 BL 12/lO BL 12/10 BL 12/10 BL 12/10 BL ,us Biosystams 3231 NW 7th Avenue Boca Raton, ~L 13431 {888)661-522? Client #: Address: COR-99-011201 Gaia Tech Page: Date: 3343 Peachtree Road, NE Suite 330 Log il: Page 2 of 3 12/13/2001 L58573-5 Atlanta, GA 30326 Attention: Rob Deal Sample Description: Hickroy, NC Proj.#: 5330-420-0 Parameter :z~~if'i\i""'-~fii'F'i?-!\.unds -~;;!;.Jl. .. ;g-£1:.,;, *~~!R!!ll!'~ 1,3-D1chlorobenzene 1.,4-Dichlorobenzene Dichlorodifluoromet:hane 1 1 1-Dichlaroethane 1.~2-Dichloroethane 1 1 1-Dichloroethene cis-11 2-Dichloroethene trans-11 2-Dichloroethene 1,2-DichloroproRane 1~3-Dichloropropane 2 1 2-Dichlor.opr.epane 1,1-Dichloropropene cis-1,3-Dichloropropene trans-1,3-DicPJoroprppene Ethylbenzen.e Hexachlorobutadiene 2-Eexanone .Isopropyl Benzene 4-Isopropyl TolUene MEIK(2-Butanone) Methylene Chloride MIBK(4-Methy1-2-PentaP~ne) MTBE Naphthalene n-Propylhenzene Styrene 1,1,1,2-Tetrachloroethane 1, J, r 2 ( 2-'l'etraahloroethaue Tetrachloroethene 'l'oluene Total Xyl.enes 1, 2 1 3 -Trichlorobenzene 1,2,4-Trichlorohenzene :l, ~~1-Trichloroet:han.e 111,2-Trichloroethane Trichloroet:hene Trichloxofluorornethane 1r21 3-Trichloropropane 1,2,4-Trimethylbenzene Results (continued) BDi_. DDL BDL BDL BDL DDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDrJ BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDir BDL BDL BDL Analytical Report: SB-05,8-12' Date S~~led: 12/05/2001 Time Sampled: 14:06 Date Received: 12/06/2001 Collected By: Client Reportable Extr. An1y. units Method Limit Pate Date Analyst mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dwl 5035/8260 mg/ksr (dVI) 50JS/B2Go tng/kg (dwl 5035/8260 mg/ksr (dwl 5035/8260 mgr~g (dwl so3s/82Go mg/kg (d~<) 5035/8260 mg/kg (dv) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/9260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 tng/kg {dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (d>t) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8250 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (d>I) 5035/8260 mg/kg (d>I) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dVI) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 mg/kg (dw) 5035/8260 0.0058 0.0058 0.0058 0.0058 0,0058 0.0058 0.0058 0.0058 0.0023 0.0058 0.0058 0. 0058 0.0023 0.0023 0.0058 0.0050 0.058 0,0058 0.0058 0.058 0 .Ol2 0.058 0.059 0,0046 0.0058 0.0058 0.0058 0,0012 0.0058 0.0056 0. 0058 0,0058 0.0058 0.0058 0.0058 0.0058 0.0058 0,0023 0.0058 U/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 1.2/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/66 12/06 12/06 :L2/ 06 12!o6 12/06 1.2/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/06 12/10 BL· 12/:LO BL 12/10 BL 12/10 DL 12/10 BL. 12/10 BL 12/10 BL 12/10 BL 12/10 BL 12/10 BL 12/:LO BL 12/10 BL 12/10 BL 12/H) BL 12/10 BL 12/10 BL 12/10 BL 12/10 BL 12/10 BL 12/10 BL 12/10 l3L 12/lO !lL 12/10 BL 12/10 BL 1:1./10 DL 12/10 BL 12/10 BL 12/10 BL 12/10 BL 12/10 BL 12/10 l3L 12/10 BL 12/10 BL 12/10 BL 12/10 BL 12/10 BL 12/lO BL 12/10 BL 12/10 BL US Siosy~tems 3231 NW 7th Avenue Boca Raton, FL 334Jl {SSa}B62·5227 I I Client #: Address: COR-99-011201 Gaia Tech 3343 Peachtree Road, NE Suite 330 Atlanta, GA 30326 Attention: Rob Deal Sample Description: Hickroy, NC Proj.#: 6330 420-0 Page: Date: Log #: Page 3 of 3 12/13/2001 L58573-5 Analytical Report: SB-05,8-12' Date Sampled: 12/05/2001 Time Sampled: 14:06 Date Received: 12/06/2001 Collected Ey: Client :Re~ortable Extr. Anly. Parameter Results TJnits Method Limit Date Data Analyst I I ~iiifa•U~~~~unds l 1 3,5~Trimethylbenzene Vinyl Acetate Vinyl Chloride Dilution Factor Surrogate Recoveriest (contin\!ed) EDL BDL BDI, 0. 87 mg/kg (d") 5035/8260 0.0058 12/06 12/10 mg/kg (dw) 5035/8260 0.012 12/06 12/10 mg/kg (dw) 5035/8260 0.0046 12/06 12/10 5035/8260 12/06 12/10 I Dibromofluoromethane . Toluene-DB 4-Bromofluorobenzene 133 90.0 70.0 '< 5035/8260 %; 5035/8260. % 5035/8260 52-155 12/06 12/lO 46-154 12/06 12/J.O 36-~38 12/06 12/.lO I I I ),RJI~3~i&t1:~~1fJ;lJ Lead ~-~~~~~s Gasoline Range organics Dilution Factor Surrogate Racove~ias: &1 a 1 a-Trifluorotoluene JJ. BDL J..O 70,0 mg/kg (dw) ug/kg (dw) %; 3050/6010 ~.3 12/10 12/10 5030/80J.5 670 12/12 12/12 5030/8015 12/12 12/12 5030/8015 36-133 12/12 12/l2 AJ.l analy;s;es 111e:re. _(Je.rfm:tll!iil ueing EPJ\, :A.STi'>!, N!O.SH, OSG!J, or Standar-d Het:hods and oe:r:t.i.fied to meet NBLJ.C reqni:remrutt.s. FlagE: BDL or U-below reporting limit; DL-d:ilu.ted out; t!>-mt:!ets inte:...-nal lAb limit:;; MI-·matrix i:nl:e:tferl!mea; NA ... not apt:>L !:-'lags; CFR-Pb}Cu rule; ND-rnn detect.{?.!. estimated} 1 llTFL-na free liqui~; dw-dr'y wt1 wt~~~·let ~It; C(fH -see attached U"~ code Ff,TJY:P Flaga: J(ff)-estimated :t..nurr. fail :a:no known QC req:. 3:QC t:ail %R or -tRPD; 4Hnatrix int, 5dmprcpo:c fld. p1:ot.ocol FLDEP Flags: L~exceeds caJ_ib~Hon; Q-h01ding time Erxcaeded; T·-•.ralue .:: f·IDL; V-p:r:es-ent in bla~ pr,DEP flagsl Y-improper preservation; a-colonies exceed rangt:; I-re:mlt bal:ucmt t-fDI, and PQL Ql\1?#' !Hl0:126 SUfi OO!Tit ll5l22,Ul0"9,E!Hia4ll' SC CER't'lt 9603:1001 ELPAT# 136iU VA CBR'l'~ OD39S OOHff-E&6::i!40 io..DEM ID!l 41J!l50 W CER't# 02.985 CH\ Ct:R'l'h 91'1 NC CER.Tft 4 ,a ?-t~ C'BP.T!J; M-!?T,449 C'I' CERT!i PH-{1122 USDA Boll Permit# S-JS240 US niosystems 323~ l:TW 7th Avenue Eoca Ra.Cont FL 3343-1 {SBa} 862-5227 BL BL EL BL BL BL BL SB GG GG GG Client If: Address: COR-99-011201 Gaia Tech 3343 Peachtree Road, Suite 330 Atlanta, GA 30326 Attention: Rob Deal Page: Date: NE Log #: Page 1 of 1 12/13/200:1 L58573-6 Sample Description: Analytical Report: SB-06,12 16' :12/05/2001 14:41 12/06hOOl Client Hickroy, NC Proj.#: 6330-420-0 Parameter Results Units Date Sampled: Time. Sampled: Date Received: Collected By: Reportable Extr.. Anly. Method Limit Date Date Ana~yst All analyses wexe p.eorf-ormed using EPA1 AS'l't.f, IITGSJJ, ust.!S, or Standard Nethods ar.d cexti£-ied to meet YELAC requi:cemen1~s. J!lao_:r-3;-BDL or U-helow repart;.ing limit; OL-dilm:ed out; !L-m<~oeta interllil.l lab limits; Ml-matri:t interferenc!!); UA-not appL l"'lags_: CFR-Pb/Cu rule; N'D-non detect f.RL estimated/; NFL-no f:tee liqui&; dw-<i...ry Wt'.f \IW-<tiWtt: wt; Ct/fo/ -!O'ee attached USS oode FLDEP Flags: J(ff'}-esLimated J.:surr. i'ail 2:no known C.C reg. J:QC fa:ll tR or :::RPD; of:matrix int, S::lmproper fld. pn::otocol FLDEP .flags: L-excee.ds calibration; QMboldi.ng tih:l.e e~~a~edad; T~valuu < MDL; '!-present in bl<mk FLDEP Flags; Y-J.J'flpl.:OJ?el; p:rcservation; 13-~olonies axceed :::'angeo l•tn.t;ult. between MDL ~nd :t'QL QAP'lt 980125 SUE DOH~ 96l2l~B5109,E$6048 SC CERTff S60J100l ELPAT# 13801 VA CBRT!J. COl$5 OOHit E!l62':l0 ADEt-1 ID# 40!150 Tlif CERT# -1)2905 GA CEitr# 911 NC L"'Ee:r'!f 444 MA CEaT# M-FL449 Cl' CERTit PU-01J!2 USDA Soil Pa~itft 8-JS64~ Respectfully submitted1 Monalisa Beasley Project Manager U$ Biosystams 3231 Wr'1 7th AV'enue Boca Raton, Ft. 33431 {llSlJ)862~52~7 _8 _9 # 3231 N.W. 7th Avenue Boca Raton, Fl. 33431 88&-862-LABS 561-447-7373 888-456-4846 Fax 561447-6136 Fax c.o.c. # 24643 ' ' l c~ r" {~ l '\_ ....... J Prt:pan:J by: ,\drienn~ CO:\FllJE:\Tl.\L LI\JJTED Pl:HSE [I SITE L'\"VESTIGATlOi\i FOinHm RE(;\L :\[A:\ITICITfU:\G 112 ll"' AVE.'\l E :"'E H!CKORY, :','QRTll C.\iWU:\.\ PREP.\RED FoR WORLDTEX, Nc. HICKORY, :\ORTH CIROLl~i,\ PREP.IR!CD lh G\LI TECH l'iCORPO!UTED ATLA:\T.-1, GEORGI.-\ JlSE 2007 T.:-.::hnk:al R~\· ie',\ ,mJ C!J!lLHffC'l!C;:." by : ])a\-;: I3ucha!t~r. P, E. EnvironmcrHai Comuluuu En\ tronm: . .:m:JI _\l:w•tg_~,.Cr Atlanu G.ILITE! H PlWJEt"I i'\o. 6330-.J-20-1 G \U f£{"11 hi 'U!H'P){ \!'Ell 'L\RLE OF COYfE:-.iTS EXECL'TJ'iE Sl':H:\1ARY ................................................................................. i l.O l:\TRODlTTlO::-i .................................................................................. 1 l.l L2 ' ' l .. J' Sire Desc;-iptinn anti Backgrmmtl Scope of Work .. .. ... .. . .. ................ .. Gt:olngy and llyLlrogeolngy ...... , .......... . ,.,, ................... 3 2.0 SO It S.\:\IPLI:\G .................................................................................. ..1 2. l ;vtethudmogy.................... ................ ............ .................. . -+ 1 1 Snil Regulmory Standlrrcls .... .......... .. .. .. .. . .. . .. ................. 5 Snil Sampling Rc:sulrs Surnnmry. .... 5 . ......................... 5 3.0 GROl·";D\V.-\TER SA:\IPLI'-;G ................................................................ 6 3.1 .\ktllndolog:....................... .. .... 6 J.~ Grounch,atcr Regulatory Srandartls .... ............ ........... . ...... 6 3.3 Ground\vatcr Sarnpling Resulrs .............. .. 7 3 .+ Summnr) . .. .. . .. .. . .. .. .. .. .. . . . .. .. .. .. . .. . .. ..... . .. .. . ............ 7 ..1.0 CO.\'C'Ll.'SIO:\S .................................................................................... 8 5.0 LI:'I-11TATIO:\S ..................................................................................... 9 Tables Table I Tahk 2 Figure I Figur~ 1 Appemlix A \ppcndix B Soil Analy1icsl Results Gmundwarer Analytical Results Site l•lcation Map (Tnpographicl Site Plan \Vith Boring Ltlc;uions BL'~ring Logs Laborarnrv Anal;:tical Rcpnrts l"nrm:..:r H._•_g:li Ht<:k.:r: .. ::-..-r~h C,1c '!Hu EXEClTIVE St~niARY WoriJtex, fnc. (Wnrldrexl reraiuetl Gaia Tech lncmpmmcu to wnduct a Limited Pha;c [[ Sire lm estigariun of the Former Regal i\lanufacturing \Rcgall t~cility locatcll at 212 12"' ,-\venue N£ in Hidnry, Carawha Coumy, Nl)tth CuolimL The purpose of rilis invcstigaliun \\as two-fold. The first goal \vas m ~Yaluuu: whether suhsurfac:; Ct)ntaminariou existed on :sile. Tht~ secnnJ goat. if comaminadnn \-Vas identiticd on ')ire, \-\":ls to evaluate wherher rhe -;he is the source nf conmminams or rhe source ls off ;5ite and ha5 mignueti onto the -;itc. The sire consists of rllrce comigunus parcels totahng 2.03 acres of lanti lo...:~ned bet\\-een 1.2rh .\venue NE and 11'' Avenue NE. These parcels make up the formc'r manufacturing area of the site. In udtlirion ro these parcels, a 0.61·acre parking area is locatell across i 1'1' Avenue NEro rbe sourh of rhe nwnufacinring ponion of the si[~. ,-\pproximatdy 60ti1 oC rhe area of the manut;lcturing portion of the site is m:cupiell by buildings. The remainder consists of ,tsphalt and cnncrete~paved parking and loading areas antJ a ~ntul! grQssy [rtlCl along the nonhern side of rhe building. The parking area across ll'" Avenue NEts fenced and pa1eL1. Tht:~ sirt:: is curremly vacant antl unused. From as early as 19:56. the sire upt:rareU as n textile manufacruring facility. R;:gaL the mosr recem occupam of the site, manufactured elastic yarn on site fmm rhe 1960s unnl 1999 when manufacturing operations ceaseJ. The surrounding pmperties consisted of primarily commercial and industrial properties from as early as the 1950s. Gaia Tech conducted an fmpact He view of the sire in February 2007 that evalumetl two previous Gaia Tech reporrs (200 l Phase I and 200:: Phase II) and an EnviroAssessments. PLLC (EAt report !2007 Phase 1), as well as regulatory documentation pertaining to several leakitrg umkrgrouml storage tank facilities in the vicinity of the site. This review itlentitied tetrachloroethylene (PCE) and trichloroerhylene (!'CE) on an adjacent pmpeny. On Fehruary 28 aml :-.larc!J 5-6, 2007, Gaia Tech installed and sampled a wtal of 6 soil horings ISB-1 through S/3-6) and four monil<lrin(! \\elb 1:-.IW-I thmugh l\IW-4) at the site. Three soil samples and four groundwater samples were analyzed for volatile organic compmmtls (VOCs). Two soil samples were analyzed for Tom! Petroleum Hyllrocarbnns (TPHJ. In allllition, a sample of oil from the hydraulic lift on sire v.as anal;. zed fnr rhe presence of polychlorinated biphenyls r PCBs1 GaiaTedr returned w rhe sire ,m April 5, ~007 to install three soil borings (SB·S through SB·ltll along the 11estern propcrt) bountlary. Three soil samplt::; and three gmunllwan:r samples were wllccteJ tt>r analysis of VOC's. BaseJ on snit screening ami sampling rL';,uli-;~ un cvidt·nce of impnu tn site snih was. idcmifi.;LI during the insrnllatinn nt Sllil borings. .-\nalyrical rt'sulrs imlkmed rhm PCE concenrrariuns in MW I, tvJW-~. ami SB-9 ;:mu TCE eoncemrations ini'vlW-:! and SB-9 exceed tire Class GA standard, the mosr stringem groundwater standard in Nonh Carolina. Accnrdmg to the regularor~ standard, the discovery of tl1ese conccntnir.ivns mu.sL be rernrtcd to the North Carolina Deparunent of Enviromnenral m1U ~atural Resources' i:-lCDE01R \)Inactive Sire's Group within 90 days nf discovery. ll l.O r:o-;TRODCCTIO'< Wtlrh.ltex, Inc. tW!lr!dte~) n:tJined GaiaTech !flcorp<ltltcd t<J conduct a Limite!l Phase il Sire lnvl~:Higutlon Gfthe F\?l'tner Regal :Vlanufaeruring {Regal) tadlity Iucmet..l at 212 l2111 Aventte NE in Hick or;,. Catawba Coum'. Nortll Carolina. The purpose of this investigation was ro C\'alumc wherher subsurt"nce impacts cxjst on :;ire. L 1 Site Desc!"iption and Background TlH: site consists ot' rl1ree contiguous parccis rmaling 2.03 acres of land locaretl bcrwcen i2'" Avenue NE anrl t 1'1' Avenue NE. Thesc parcels make up rt1e manufacmring area of the site. ln audition ro thcsc parcds, a 0. 61 ·acre parking area is located across ll '" Avenue N f: to the sornh of the manufaclUring portion of the sire. The northernmost parcel ot the manufacturing portion of rhe silt: is occupied by a large manufacturing building includlug an office area and t\vo >:;maller manufacmring buildings alo11g the wesH~rn property houndary. The :muthern two parcels are occupied by a loading dock associated with rhe nmmrfacruring building and two smaller builclings. Approximately 60:f of tht: area of the manufacturing portion of tile site is occupied by buildings. The remainder consists of asphalt and concret<:>paved parking and loatling areas and a small grassy mrct along the norrtrern side of the building. The sire is currently vacant and unused. From as early as 1956, the sire operatecl '" a textile manufacturing facility. Hisroricaloccupants include Reaco Hosiery Mills, Madaris Hosierv Mil!s. the EhLstic corporation. and Realspan Corrorarion. In the 1960s. an amomotive repair business operated in one of the smaller buicdings locatecl to the south of the manufacmring huilding. Regal, the most recent occupant ot' the site, manufacmred elastic yam on sire from the 1960s until 1999 when manufacturing openltions on site ceased. Accnrtli ng to representatives of W or!utex, Regal utilize some hazardous chemicals in its maimcnance proccsse~, De[ails regarding hi~torical openuion:-;, prior tt) Regal's. are not known. As a result, there is a potential for impacts tn the site resulting l'rom historical on- site o,xrations. The surrounding rroperries consisted of prinmriJy commercial anti industrial propert!c~ from as early as tile 1950s. Two gasoline stations and a sdf-sen·e car wash have bnrtlerecl the manufacturing ptxtinn of lhe site to the west since at Ieasr 1961. ·rhe manufacturing ponitmof the site was hnrckretl u1 the north, across 12'" A venue NE, h) a gasoline station, dwelling, antl textile manufacturing facilit}. These properties are cuneml' occupicu b) a church, TCI3Y Fnn:c:n Yogurt store. and a vacant pa\'ed parking lt1t (-.vhkh was pre\·iously occupied h: Dun.\-! ore Furniture J. The site has been bordereu to the east, across 3"' Street. hy Hickor.;. High Schth)l since ur ka~r 1973. The tnanufacLuring pnrtiml of the site is G \l ,-ru·a l\<"JJ!l.I'IJit' 1 r,n bonlt:ret! to the south across II'" .', venuo: NE by the parkwg lm as,;rJCiateu 1virh RegaL a restaumm. ,mu cmmnercial retail facilities. These p!'llJKrties were hisrorically re,;i,kmial and n;mil. GaiaTed1 comlucred a Phase 1 Environmemal Sire Assessmem (ESA) of the sire in Nnvember 2001 that identified potential impacts ro the sire from the former underground storl_ge tank { t;ST), hytlranlk litL hiswriclll textile manufacturing operations, and potential impacts t'ronr leaking UST and lmnnlous waste generming fnciliries in the vicinity ol· the sire. Suh;;equent to GaiaTecll's Phase 1 ES.',, a Focused Pll,tse II hJYesrigarion was conducted b} GaiaTedt in January 2UO.: to evaluate potentia! impacls in tile vicinity of tile former UST. No evillenee of impact to soil was idcmiiiecL However, no groundwater sampk:s were obraineu, An lmpacl Review of rile sire was conducted by GaiaTeeh in February ::'.007 GaiaTeclt evaluareu rile previous reports, as well as regulatory documents related to nearby UST facilities including Viewmonr Ex,on and Servco, ench locmeu adjaeenl ro the west ,,f the sire. This review com:lmled tllat t!lc Viewmom Exxon am! Servco facilities have had releases vf petrokum products. ln allllirion, PCE and TC.E were observed in groundwater collecred at the S.crvco facility. In an effon to determine whether tile she lws been impacted by contaminants observed at the adjacent property anli whether these com;uninanrs might have originated on site, Gaia Tech targeted the in,·esrigation to evalume areas Liuwngrudiem and upgradiem of rhe manul'acturing plant, A comparison of these results will aid in pinpniming the soun:e nf potemial comaminams. It is possible that the PCE and TCE have multiple sources. L2 Scope of "Vork On Felrrn;uy 28 and lvlarch 5-6, 2007, GaiaTech installed and sampled a toral ot-6 soil borings and four mnnitortng wells at the site, Thre~ soil scunpil.'!s and four ground\vatcr samp es were analyzed !'or: vulmile organic compotmds (VOCs). Two soil samples were analyzed for Total Petroleum Hydrocarbons (TPH), In addition, a sample of eli! from rhe hydraulic lift on site was mralyz~d for the presence of pnlyehlorinmctl biphenyls (PCBs). The locations of tlte borings are ratinnaiized as fotiO\\S, • TwtJ burings (SB-1 and SB<!l were installed in areas dowugradient of the nmnufacturing huikllng: and uear the JocatiLm of a monitoring \n:lt where eit:vme;J concenrrrrtions tll' clrlnrinareli 'nlvems were observed at an adjacent pro pert~. • fwo borings iSB·3 and SB--IJ were installed upgre<Liient nf rhe manufacruring building to nsses~ £he potemial f(w migrmhm of comamin~ms to the site frnm an upgratlic!lt otl~sire source. i--nrm.:-t HL·l-•lf'<. '\,•nh (",_t!·•Litu • Two borings tSB-5 anti SB-61 were installed to ~valuate potemial impacts from a release of oil from the hydraulic lift on -;ite. On .\pril 5. ~()0'7, GaiaTcch rentrneJ rn the 'iire to instalt three :luil boring3 uhmg the 1.vestern propeny bt)Unthuy.. One soil sample and one groundwater sampk 'ha::; collected from eadt boring for analysis M \'OCs. The locations of the borings arc rationalized a,; folJO\\S. • One boring tSB-9\ was instnllcd will tin the plant building near the southwestern corner of rhc -;ire bui!Jing. This boring \VU.S plnceU in an arett upgradiem of a monitoring \Veil \Vhere elevmed cnnc;:mrmions of chlorinat~d solvents were oh'lerved ar an adjacent proper!). • Two borings tSB-8 aml SB-1 01 were installed in the northwestern corner of the sire in areas upgradiem am.l crossgraUient of rhe mannfacturing building tu assess the pm.enr.lal for mtgrmlon of .:ontuminnllls to the site tTmn an oft'-sire source, L3 Geology and Hydrogeology According to tile Soil Sune" oj'Ca!ttH·ba Coumv, !Vonil Carolina, site soils are classiticJ as Cecil Sandy Loam with 2 to 6 percent slopes. The Cecil series consists of well-drained soil> on uplands. These soils formed in residuum from acidic rock, including grattite>gnciss and granire. It is a well-drained soil on fairly smooth, bruud ridges and upbn<is. Typically. the surface layer is dark grayish-brown and brown sandy loam approximately 7 inches thick. The subsoil is approximately 43 inches !!tick and is dominantly red, firm day in the upper part and red, friable clay loan! mnttled with brown in the lower pan. The substratum. to a depth of approximately 75 inches, is mottled red and brown sanely loam. During Gaia Tech's investigation, the subsurface materials typically encountered in the soil borings cmtsisted of micaceous silty sands that were mottled with (red, black, and yellow) clayey pockets and intersected by louse scams of weathered rock fragments. !n generaL Gaia Tech observed severely weathered rock m depths ranging from approximately :!0 feet to 30 feet below ground surface (bgsJ across the site. Less severely wc;:thered rock \\'as encountered at depths ranging fwm approximately 30 to 40 feet bgs across the site. \Vi thin the ol0--l5 fr bgs extent nf this investigation, competent rock was encoumered in the area approximated hy the ;;nuthwestem comer of the plant at approximately 35 feet bg~. Ground\Vater was ob'jt~n't!d Ht th:prhs ranging from appro~imately 30 to 37 feet hg., throughout the site. Elased on measurcmems col leered during the tield component of tiJis :lssessmenl. groundwater at the site is tlowing in a soutlnvcster~y direcrion. 3 G \I \TF("H r,t.!HH'~-Ht, ru1 :!.0 SOILS. ~.'1-iPLL'<{~ 2.1 :\Iethodolog~· Prior w conJucting t1eld acth·itics, GaiaTc:c:1 complercd a subsurface uti!ir) clearance througll rt1c ~ionil Carolina One Call Center. On Feuruary 28, March 5·6. :!007, anJ .·\pril 5, 2007. Gaia Tech supcrviscJ the installmiLm nf 8 i:Oii boring'-i using a rruck-mounteJ Geopruhe~t: unil to depths ranging frnm l2 to -+0 ft!et bgs. During boring ins(ailatinn, continuous soil sample~; \Vere collected using a five- foot stainless sred macrocorc sampling system with disposable acetate: liners. Upon retrieval from rhe sample liner, soils were visually inspecteJ for evidence of contamination and lk:-;cribeJ on th~ basb of lirhoingy, culnr, tt:xture, odor, and relative moisrure. Boring logs :tre presemed in Appendix A. Rz:prcsentati'.e samples from each tube were split intt.) s~pan:ue s;:unple hag:l: one useJ for ndt: :)crcening and tile other for laborawry analyses (as Uescribed belO\V}. Fidll screening was accomplished using a portable plloto-i.mizauon detector tPIDl equipped with a l0.6eY lamp, calibrated to a 100 volumetric parts per million (ppm .. ) isohutylene stamlarJ. Speeit1e procedures in screening soils ar·e as follows: a The soil sample wns st:aled in a zip toe bag. • The sample hag was labdeJ with the boring number and sampk intervaL • The sample was alloweJ to reach ambiem temperarure. 11 The PID was inserrecl intn the heallspace ahnve rh~ '\oil-air interfnce_ • The maxim11m PID reading was recorded for eacl1 sample. The soil sampk from eneh boring thm exhibited the highest PID reading was selected for laboratory analysis. The bagged portions of selected samples were plaeeJ into laboratory prcparerl sample bottles ami submined under strict clnin~of-custody procedures to Analytical Em·irunmcmal Services, Inc. of Atlanta. Georgia. To aHJid croso, contamimtion, all tlown-hok soil boring and non-JcJicarcd sampling equipment was decontm11lnateJ using an Alconox"'\V~Jter solurion unll wmcr rinse, Soil borings SB-1 rhrough SB--t were cunven~cl r.o temporary l-inch dian1C£t~r monitoring wells rsee Secthm 3.01 w iaciliratc the cPllecti•lll nf groundwater samples. s,,;] borings Sll· 8 througlt 513-9 were converted to temporar:--l-inch Jiameter temporary mnnitoring wells (see Sectinn 3.0) ro facilitate the eollectt<Jn of groundwater samples. L'pon receipt nf analytical results. GaiaTeeh along with WorlJtex determined tlwt the wdls shouiJ be converteU to permanent monftoring wells to thcltit:.He fumrc sampling needs at the sHe. In aJJition tu th~sc b<Jrings. GaiaTedl collectc·d soil samples from a depth Df npprl)xinla!dy 1.5 feec bg:; fron1 two sll<llln\\ hand auger borings iilstullcd n~ar th~ G \1 tTlTII !:-.CO!tPOIU! E!J hydr3.ulic lift on )ite. These sampks werc placed directly into laboratory prepared bottles :.u:.d "Submined under strict chain-uf-cusmd;; prnc~durcs to Analyrk:al EnYironmental Services. lnc, nf -\tlam~L. Georgia, 2.2 Soil Regulatm·y Standards Comaminmt>d Soil Clean~( I' Ll'l'e/s (Table 3! of rl1e Groundwater Section Guidelines for the hn·estigatiun aml Rcmelli~ninn of Snil and Groundwater prepared by rhc Department of Environment and Natural Rcs.ourc~s Dh·i:..:inn nf \Vater ~-;tahlish target cnncenlrarinns, for cmmuuinnnts in 'lolL 2.3 Soil Sampling Results The soil analytical resrtlrs are prescmed in Table I. The approximate locations oi the borings are sho\vn on Figure 2. Complete laboratory analytical report$ arc indudetJ tn Appendix B. No chemic:Jls wen: identified m concemrations greater than the laboratory detection UmJts in any soil boring. 2.4 Summary Based on soil screening anti sampling resul[s. no evidence of impact ro site soils \vas idemitkd during tbe installation of soil borings. 3.0 GROC\DWA TER SA:\iPLI:\G 3.1 .\[ethodology In order tt> "'ahute pmential impacts to gnmnJwarer. f,)ur borings SB·· l, SB-2. Sl3~3. and SB~-~) were lll·er-drilkJ using hollow-stem augers (SB-l) and air mwry (SB-2, SB-3. anJ SB--!t in orJcr to construct permanent grounJwater monimring wells. Permanent wells \vere c:on::;trw.::teU ()y insertlng 2-inch Jiamerer PVC screen and riser into the bordwlc. !'.:mporary wells were screened to intercept the shallow groundwater table using 0 .n \0- inch machine-sinned s:creen. A silica-sand pack wns placed in the annulus to a dep[h nf one foot above rile top ot' the o;creen. A two-foor bemonite plug"''" then placed over the sand pack w seal the :;creen. and prevenc the int'ilrration of surface water. Ceuwnt grout was used to fi11 the remainder of tire borehole to a depth of appmxintatcly 6 inches bgs. Permancm wells were completed with l1ush-mount man hole covers. The monitoring wells were purged ami sampled using a submersihle pmnp miliLing disposableldcdicarcd m!Jing. The submersible ponions of rile pump wer~ decontaminated using an .AJconox 't\varer solution and watt:T rinse. Groundwater samples w~re tollecred directly imo laboratory prepared containers with the appropriate preservadYe, labeled ami placed on ice fm rransponminn. Samples were de ivcred under strict chain-of-eusrorly procedures Ill Analytical Environmenral Services, Inc. or Norcross, Georgia. After rccctpl of groundwater analytical results, tbe temporary wells were converted to permanent groundwater monitoring wells by grouring from the bentonite plug ttl the surface am.J tlnlshing \Vith a rlush rnmmr manhnlc cover and concrete pad. On April j, 2007, GuiaTech collected an additional three groundwater samples from soil borings SB·8, SB~9, and SB-10. Soil borings were convened to temporary wells h) inserting a length of l-inch diameter PVC screen anu riser into the borehole. Using a periswltic pump with dedicated tubing. one groundwater smnple was collected from each boring. Folhl\ving sampk collection, the PVC screen aml riser were rcmoveJ and tlw boring backfilh.:d with bcnmnitc and grout. Groundwater Hegulatory Standards Class GA Standards outlined in the .\orr/1 Cam/ina tldminisrruril'c Code Till"' 15 ·1. Subcliaprer 2r. Secrion 02021 l5A r.CAC 2!..0202 are the arplkable regulator\ swndard' fur 1his in\'t~srigatinn. 6 G \I\ rn II t~,t·.:mt"iHt\ n~n 3.3 Groundw:uN· Snmpling RL'Sults The groundwater s:.nnp!ing results are presented belov; and are summarized in Tab~e ~. i\:I onitoring well locations are sho•sn un Figure l. T~:c tnbnratm) analyril'al clara sheets are inclmkcl in Appendix B. PCE \!:as ickmifted in mormoring wells :VIW l, ~IW-2. and SG-9 at conccmrmions nrS-+ . . 280. and 120 ,ug}L respecrivel~. Tllese concemrmions exceeli the 0. 7 l'g!L Class G.-\ Standard t\1r PCE. TCE was itlemirieu in monilOring wells MW-1 and SB-9 at ennctnrradons or 58 and 5. 9 w4 T .. v .. hich exeeed lhe 2.8 }.t.gt L Cla~~ GA StanthH'd_ N1) mher ctnH::uuiumus were iJemitied at concemratlnns greater than rhe Class G,\ Grounuwarer SramJarJs. 3.-l Summary Analytical re5lllrs lmlicmetl rhar PCE concemrnrions in MW -l, ~lW -2. and SB-9 am: TCE concentrations in 0.-f\.V -2 and SB··9 exce:::tJ the Class GA swndHrd. According tlJ the regulatory standard. the discovery of t11cse concemrations must be repcmeu to rll.: North Carolina Department of Emirunmemal and l'iamral Resources' (?-ICDENR's) Inactive Site's Group \vi thin 90 days of discovery. !:-~•fflkr H;~·\.Jr:. S.·nh {':.l.r··lin.J 7 G\J\Tt-:t ti(\(":JI{Il()J!\H:n ~-0 CO;";CU::SIO"iS On Febnwr} 28 and ~·lmch 5 .. 6. 2007. Gaia Tech insmllecl and sampleu a row! of6 soil b<lrings and four monitoring \Yr:lb at rh~ site. Three soil 'iamples nml four gruundw;:uer smnph:s were anulyzed f,lr: VOCs. Two soil snmples were analyzed for TPH. In addirior., a sample of lift oil from the hydraulic on site \WS analyzed for the presence <lf (PCBs. Gaia Tech returned to the site on April 5. 2007 to ir!Stall three soil l:mrings iSB-8 d1rough SB-10) along the wesrern properr: bnundary. Three "inil ;;;amplcs and three grounllwater sarnpie::: were enllccted for analysis of VOCs Baseu on soil screening and. sampling results, no evidence <Jf impact to si!e soils was i<.lentil1ed dming the insta!ladon ut' soil borings. Analytical n.:sults imJicatcd thar PCE concemmtions in M\V-1, MW-2. and SB-9 and TCE cnncemrations in M\fi-2 and SB-9 exceed t!Jc Class GA standard. According to the regulatory srandard.. the discovery of these .::oncentrations must be reponed to the l'ICDENR 's [nacrive Site's Group witl1in 90 t!ays of discovery hlrnt,": Hd.,•r:, "\,unh CJ.r•>lin.J 8 G \I d"Fnl hnmrotl \II IJ 5.0 LI.\HTATIONS This report b prepared i\lr the otlle llenefit Worldtex. lnc.and may notlle rdieJ upon by any <lrllcr person or entity. This report anJ rhe tintlings shall not. in whole or in part. be liistrihuteJ c>r tran::.tuiued to any other part} , nor used by an~; other party. without rhe prior wrinen !.:onsem Gf Gaia Tech. GaiaT!.!ch has cnntlucretl ::ht:se profl~~sional services in accnrdance wirh eurrem scientific principles. and indusrrial ~tandanls ;Jf pracric.;s in the fie IUs of environmental science am( .;ngineering on the dute rlll~ \\"nrk was t.:ontiw.::red and in the smne geographical area of £he subject site for sintilar studies. GaiaT ~ch's findings and re;.:onunentlurinns must be con.'iiLlcrcd ns professional opinil111S hnsed upon the limiret1 tiara collecred during the course of th~ cnvirunn1enwl si[e investigation. which is lirniwll in titne <:md :-lcop..:. Gain Tech makes no warramy l t.::<press or itnplicd, Only a limired mtmhcr of soil and gmunthvatcr samples were collected l'rnm widely spaced soil borings. The varimion~ among th~;;c samp1e'i and resuits mn) not become evitknr until further investigation. ln {he e\"em that mort: dara are avaHabl¢. il nwy be nGcessiH'} to re-assess the contlitions of £he 'iuhject sire iH onJ~r to revise the cnndusJons and recommendations contained in rhis repnn. An indepentlentlaborat.ory bas performer! chemical analyses. GaiaTech hns deri,·eu the findings and recommendar.ions. in part. from these repons. These findings arc contingent upon the validity of the analytical reports. Limiwd soil and groundwater samples were analyzed for specific param~t~rs as detailed in the r~port. Other cltemical compounds, whiclt \\'ere not analyzed fm, may exist at the site, although unlikely based upon available informalion. •rm•r !·t·p:d \Lrnut~:llHtll);! Hr,l..•r; •• ~.Hth Cir·•lm.r 9 ,');;JIIJlll' Jdl'll!ill<d!lt>ll r kptli in h hj]" ) )Jie ii\'OC':-.-Fl',\ _\iNiwd !lS2fiOB HI~ I -hdnt.v J,d111rutt1r;r n:p(1rli11g li:llil I"·'\ -1\ni ;li!;Jlyt.l·d SB·! 2:5'~27' ]! 2i'iiD7 Table l Soil Analytical Hesul!s Fehmary/March 2007 Sll-.i I SH-~ 'I SB-5 ~0'-I:! ' T1·~15' L5' 2!1Wi (7 ; 1!2Xi07 ~ 3iSill7 i >!{~·,nit~ {'l•tnp:m.:,] tD t 'IL•anu;1 Ht·quilvmvHl' !111' t: :nlunHu:tt~·d Soli oui!iw.:d in (Jwmhh\"Jl('f ."l~.Ttlilll (Jul~h...·lilli.:<.lor llk'l!tv\.·.,og;.Jillll ;tlld Rt_·tm·di;Jiion ni Snil and (;rn,1ndw;,!t·•· Lluly 21lli!!) S!HI Sli '" 1.3' '" _, 1S' J;j!lj{ -!/5!1 (! "'\ I· HI< I I .')B-'J 7' ·lll' -i/5/07 1 • Bid I·,)ruh·r lkg:!l t\Lnatf::~·mrill); ~ 12 l.!th A \'t:tt\tt· N E !!Jd\ill), Nnt!l; ( ':lnJlil!:J "} [ l· i 11 J)'w 1 7' 4/5;tl7 I BTU, ; ."'l:IOljli<: hkntill~';i\i!l!; \ 'Ia .... ~ ( i/·. lhtl' 'SU;Jhbnl-. SOt':-.-EP.\ Mt·t!rml pg/[, ~~~~L~:.~jt}l~ :~· 7;Ju Tahic 1 Groundwatt:r Anlllytical Results Fehnun·~·lr\lun·h 20U7 hiW-1 J t\1\V--2 HW-.\ :I i\1\:V-< I .\!()1,!()[)7i "::;! ~C''"i: 3t6!10!J? .1/\i/2fl!l7! -··· ·-1\, Jl;;l/ o'l < i.il -5 .llJ ., :\.ill SB·X I .j ·,.:;,2111!7 I . :\IJj 11-:h· ~ .2-l )i·..:l!iurn~·!ht:lil' 7il ., s.u 112 "'5JJI '.~.i:·i~--•. :),!;~ :11 ;:tr;rd!IPI,,t:lh:,:tk' \J. 7 S-l 2HO <5.o: .. :· .. o :'Ull ! .I i'riL·IJlPIO.:!) l'!l( ... ....:, __ 2.X . 5.1!'' ~ 5~ < \.11"1 . ~J)•r l ' : N"'" t. l~t·-.ul\o., LomptHt'd (11 ( 'f(l'l:-. ( il\ .S:alltb~-.b nnl!inL'd il. Nmtb ( arn!'_Ha AtiL:illl~~r::I!Vt' t ·mk Titll' 1)/\. Suhrh.tph:r 21., Scc!i\lll 02U2 il:'lA Nt'.J\C 21. :!20:!! 2.. N.\ • Nnr .\mt!y/t.'d 3. Ht•n1hs in B,)f(l :md Shadefl (~X('N·d tlu• Cl:\.'i;'l GA Hiand&H'lh 1·! .\lhllr;Uili'Y'" prac!ic.ll l!ll:!!!l it;:!litHI litllilL·xc~·cch till' { 'b~-. ( j,\ Staml;u·..;, \l~·r l )t\ Nt 'i\( · 2L .. :2ll2 till' limit ~lt't'> ;1-, 1l1<..' ~ta;Jdan.l •. < 5.11: I S!}-9 i .. .j;-);2!107 I -:\Ill ' Ill 1101 5})1 I SB I'>Hl;u,;l 1{\.-~i!{ i\1;!!!\li:K\llliil;t 112: il!h ,•\V...:illll' K!· !Tkk.~ry. No111, { ':unUII:t lfl I .u:): 1\lll/ :;:11i . 5 .o1: .. '''II • 5 ·'' ii l-UI IJJ IX I (f) () "? Cl ! I r >-., ;lQ :{ 0 "---- EXXON SERVCO ~------ I TCBY I I 11TH AVENUE NE ~~ ~----I ASPHALT PARKING ) / / i i I I I \.)() J t ··N I