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Home My WebLink AboutDEQ-CFW_00044282Hazardous Waste Section File Room Document Transmittal Sheet Your Name: Larry Stanley EPA ID: NCD047368642 Facility Flame: DuPont Fayetteville Document Group: Corrective Action (CA) Document Type: Environmental Indicators (El) Description: CA 725 Environmental Indicator Report Date of Doc: 511 /201 Author of Doc: DuPont -CRC File Room Use Onl NCD047368642 Month Day Year Date Recieved by File Room: 1 1 Scanner's Initials, Date: canned: DEQ-CFW 00044282 6324 V,myi�nv RoA Ch,,vlww\ I - ( 28110 T,A, (704 ',6-1-6630 NN o,704; 362-6636 Q OP D K DuPont Engineering May 16. 2012 Mr.Larry Stanley Hazardous Waste Section,, Division of Waste Management North Carolina Department of Eiivironment and Natural Resources 1646 Mail Service Center Ralei-h, NC 27699-1646 RE: Environmental Indicator Determination Reports DuPont Fayetteville Works Fayetteville, North Carolina EPA ID No. NCD 047 368 641 Dear Mr. Stanley: As requested, an evaluation of the envi-ronniental indicator for "current human exposures under control" (El RCR.IS Code CA.7215) and an evaluation of the environmental indicator for corrective action "migration of contaminated groundwater under control" tE[ RCR-1S Code CA750) have been prepared for the E. 1, du Pont de Neniours and Company (DuPont) Fayetteville Works facility located in Fayetteville, North Carolina. The El determination evaluations were completed in accordance with the guidance established by the United States Environmental Protection Agency, Enclosed please find the associated Environmental Indicator (ED Determination Reports which summarize the evaluations. Feel free to contact me at (704) 362-6626 with any questions or if you need additional information. Sincerely, Jamie A. VanBuskirk Project Director DuPont Corporate Rernediation (:soup cc: Mr. Mike Johnson — DuPont Fayetteville Works File DEQ-CFW-00044283 Prepared for. iI North Carolina 821 '. DEQ-CFW 00044284 CA725 ENVIRONMENTAL €NDIC;ATOR DETERMINATION REPORT CURRENT HUMAN EXPOSURE UNDER CONTROL ................................................................................................................... ................ .Phis page intentionally let E kar#I{ DEQ-CFW 00044285 CA725sm0nOmmENT^L INDICATOR DETERMINATION REPORT CuRnswTHUMAN EXPOSURE UNDER CONTROL Table of Contents TABLE OFCONTENTS 1.1 Environmental Indicator Background .............. ____ ~~~,^^^....-...... ...... 1 12 Report Purpose and Content, ... .,^^^^^^^~.~...,...^~.^^^.^_......... .................. 1 2.0 Site History and Background.... ,............. ........................................... ..... 3 2.1 Site Location and Setting ................................. .......................... ........... 3 2^2 Current Land Use ,`~-'''^-'~^^^^^,`-'~`~'^^~'~~^~`````~^^.^~-,^~^'^^``-```^^^^--3 2'3 Groundwater and Water Supply ....................... ..................................... 4 2/4 Surface Water Features .................................... .......... ...'.................. .... 5 2,5 SWMUs.......................... '^.,..... ,........................ ........................ ............. 5 3.0 El Determination Process. ........... ........ ................................ .................... 7 4.0 Step One—D;ata Review ...,,...,...~.._,,.~............................................ 4.1 Summary ofInvestigations ,,.,,...,.-..~..-~,~_.--...-.,,,,..,._,..,.~9 41.1 RCRAFacility Assessment (1Q06)....... ..................... —...... ...... �9 41,2 RCRAConfirmatory Sampling (1SBg)............. ..... ..................... ,g 41'3 FTCRAConfirmatory Sampling (8W (19Qy) .......... ... �11 4]A Former Fire Training Area Investigation (3O01)...... ........... ...... 12 4A,5 Phase RF| C28O3\..... ......... ............ —'......... _............ ... 12 4.1)8 Phase I Supplemental RF1(2805)...... —_—_...... --...... ... 19 41.7 PhaseU Investigation <2UD6>--.------'--........ ---... 13 4.1]8 Phase III RF|Work Plan (2O1[)..... --_-----......... ... 15 4.2 Data Set for El Determination. ............... ......... ................... .,............... 14 5.0 Step Two — Risk -Based Screening.......... ........... .^.^.......................... ,..... 15 5.1 Sources of Screening Criteria ......................... ...'-^^.'-,,,,~.~-'-.^`.,,,15 5]] Groundwater --.-...................... ___ ........ ........... ................ 15 5.1.2 Soil —......... ... ..... .............. ....... .......... —....... ........ —... _15 5.1.3 Surface Water ............. —....... ......... —...... ^........... —.......... ... 15 5`1,4 Indoor Air—^— ................. .—............ --.......... —.--.......... 15 5.2 Screening Evaluation .......... ,.............. ~.,,,,,,-.............. ____ .............. 16 52.1 Exposure1O Groundwater --.---.................... ....... .......... 16 5.2.2 Exposureto 80iL........ ........... ........ ........... ..... ......... ..... _16 CA725 ENVIRONMENTAL INDICATOR DETERMINATION TABLE OF CONTENTS REPORT CURRENT HUMAN EXPOSURE. UNDER CONTROL 6.0 step Three - Complete Exposure Pathways.........................................19 .1 Potential Receptors ....... ................................................................... 19 6.2 Exposure Pathways..............................................................................20 6.2.1 Incomplete Pathways...:....... 20 6.2.2 Complete Pathways-- ............>........................_........................21 7.0 Step Four - Exposure Analysis..............................................................23 8.0 step Five - Risk Characterization ......-.................................................2 a 9.0 step six - El Determination .................................................................... 27 10.0 references ................ ............................. ............................................ 29 Figure 1 Site Location Map Figure 2 Site Layout Map Figure 3 SWMU Location Map Figure 4 Soil Sample Location Map Figure 5 Monitoring Well Location Map Figure 6 Conceptual Exposure Model Table 1 Comparison of Groundwater Concentrations Detected in Perimeter Wells to the Surface Water Criteria Table 2 Summary of the Surface Soil Analytical Data Table 3 Summary of the Subsurface Soil Analytical Data Table 4A Summary of the Groundwater Analytical Data Table 4B Summary of the Groundwater Analytical Data Compared to Commercial Indoor Air Screening Levels Table 5 Summary of the Surface Water Analytical Data APPENDICES Appendix A Groundwater Analytical Results Appendix B Soil Analytical Results DEQ-CFW 00044287 CA725 ENVIRONMENTAL INDICATOR DETERMINATION REPORT ACRONYMS CURRENT HUMAN EXPOSURE UNDER CONTROL Acronym Definition t Description AOC Area of concern APFO Ammonium Perfluorooctanoate bgs Below ground surface BTEX Benzene, toluene, ethyibenzene, and xylenes CA Corrective Action COPC Constituent of potential concern DQO Data quality objective DRO Diesel range organics DuPont E. 1. du Font de Nemours and Company El Environmental Indicator FEP Fluorinated Ethylene Propylene GPRA Government Performance and Results Act IMAC Interim Maximum Allowable Concentration IN Insufficient (El compliance determination) MDL Method detection limit MNA Monitored natural attenuation MSL Mean sea level mg/kg Milligrams per kilogram NCDENR North Carolina Department of Environment and Natural Resources NPDES National Pollutant Discharge Elimination System PAH Polynuclear aromatic hydrocarbon PFOA Perfluorooctanoic acid PPA Polymer Processing Aids PPE Personal protective equipment ppm Parts per million PQL Practical quantitation limit PRG Preliminary remediation goal PV'F Polyvinyl Fluoride QAPP Quality Assurance Project Plan RCRA Resource Conservation and Recovery Act RFI RCRA Facility Investigation PRP Relative percent recovery RSL (USEPA) Regional Screening Levels RU Regulated unit S POC Se'rtivolatile organic compound SWMU Solid Waste Management unit TPH Total petroleum hydrocarbons Fai 7.4r>'i £ina�. ni: DEQ-CFW 00044288 •`..,i 25 EWRONMENTAL. INDICATOR DE TERMINAl iON ACRONYMS REPORT CURRENT HUMAN EXPOSURE UNDER CONTROL Acronym Definition I Description USEPA U. S. Environmental Protection Agency USGS United States Geological Survey voc Volatile organic compound VVWTP Wastewater treatment plant YE Positive (EI compliance determination) DEQ-CFW 00044289 C.A725 ENVIRONMENTAL INDICATOR DETERMINATION REPORT EXECUTIVE SUMMARY CURRENT HUMAN EXPOSURE UNDER CONTROL On behalf of E.I. du Pant de Nemours and Company (DuPont), Parsons has performed an evaluation of the Government Performance and Results Act (GPRA) environmental indicator (EI) "current human exposures under control" (El RCRIS Code CA725) for DuPont Fayetteville Works located in Duart Township, Bladen County, North Carolina (Site), approximately 15 miles southeast of the city of Fayetteville, North Carolina. The El determination evaluation was completed in accordance with the guidance established by the United States Environmental Protection Agency (USEPA) (USEPA 1999) and is summarized in the score sheet beginning on the following page. The El determination process concluded that there are no "unacceptable" human exposures to "contamination" (i.e., contaminants in concentrations in excess of appropriate risk -based levels) that can be reasonably expected under current land- and groundwater -use conditions (industrial land use and non -potable use of groundwater). Although reasonably -expected, potentially - complete exposure pathways were identified under the current conditions, none of the complete exposure pathways were significant, As a result, a positive El determination was reached for the El CA725. Fay_ Ca.;-zs...r;,:a; : fir, DEQ-CFW 00044290 CA725 ENVIRONMENTAL INDICATOR DETERMiNADON REPORT CURRENT HUMAN EXPOSURE UNDER CONTROL PiIs page intentionally left blank r DEQ-CFW 00044291 CA725 ENVIRONMENTAL INDICATOR DETERMINATION REPORT CURRENT HUMAN EXPOSURE UNDER CONTROL Interim Final 2I5}99 RCRA Corrective Action Environmental indicator (El) RCRIS code (CA 725) Current Human Exposures Linder Control Facility 'Nanae� E. 1. du Pont ,ale Nemours a .atelleville kNorks Facility :address: 22828 NC Hghwa W,-st Fa efevillex..N rh Caroling l,acility EPA 4: NC D 047 368 642 1. Has all available relevant significant information on known and reasonably suspected releases to soil, groundwater, stwface water, sediments. and air, subject to RCRA Corrective Action (e.g., from Solid Waste 4lanageanent l,lnits (`sWNIU), Regulated Units (RLI), and :areas of Concern (:1OC)), been considered in this El determination" If yes -check here and continue with �2 below. If no- re-evaluate existing data, or If data are not available skip to +fr arid enter "IN" (more information needed) status code. BACKGROUND Definition of Environmental Indicators ifor the RCR:i Corrective Actioaa I'nvironmental Indicators (EI ) are measures being used by the RCRA Corrective Action program to go beyond programmatic activity measures (e.g., reports received and approved, etc:.) to track changes in the quality of the environment. The two Els developed to -hate indicate the quality of the environment in relation to current human exposures to contain ination and the migration of contaminated groundwater, An 1?1 fair non-hurraan (ecological) receptors is intended to be developed in the future, Definition of ¢1Current human Exposures Under Control" El A positive "Current Human I-'xposures Under Control" l [ determination ("YE" status code) indicates that there are no "unacceptable" hurnan exposures to "contamination" (i.e., contaminants In concentrations in excess of appropriate risk -based levels) that can be reasonably expected under current land- and g r€juncfwater-use conditions (for all "contamination" subject to RCRA corrective action at or from the identified facility (€.e., s€te-kvlde)) Relationship of El to .Final Remedies While Final remedies remain the loner -terra ob ective of the RC RA Corrective Action progra:nr the E[ are near- term objectives which arc currently being used as program measures for the Government Perfor€nance and Results Act of 1993 (GPR.A). The "Current Human Exposures Linder Control" EI are for reasonably expected human exposures tinder current land- and groundwater -use conditions ONLY, and do not consider potential future land- or groundwater -use conditions or ecological receptors, The R.C'RA Corrective ;fiction pr•ogram`s overall mission to protect human health tend the environment requires that Final remedies address these issues (i.e., potential future human exposure scenarios, future: land and groundwater aces and ecological al receptors). Duration t Applicability of El ]Determinations El I.)eterminations status codes should remain in RC 2.IS national database ONLY as long as they remain true (i.e_ RCRIS status codes must be changed when the regulatory authorities become aware of contrary information). F2p__CA;126.. ,-ol.do;, DEQ-CFW 00044292 CA725 ENVIRONMENTAL INDICATOR DETERMINATION REPORT ......... . .. CURRENT HUMAN EXPOSURE UNDER CONTROL_ Current Human Exposures Under Control Environmental Indicator (EI) RCRIS Code (CA 725) Page 2 Are groundwater, soil, surface water, sediments, or air media known or reasonably suspected to be "contaminated" above appropriately protective risk -based "levels" (applicable promulgated standards, as well as other appropriate standards, guidelines, guidance, or criteria) from releases sub ect to RCRA Corrective Action (from SWNIUs, RUs or AoCs)'? Media Yes No ? Rationale/Key Contaminants Groundwater Groundwater is not used for drinking water or r1gation on or near the Site A total o4 45 grouno,,Arwer monitoring and 26 pIezomete.-, have been installed at the Site during Nstorical investigation efforts. Groundwater fiow is generally towards the Cape Fear River. Because groundwater currently is not usedllor pi-otable purposes, Vnere we no applicable groundwater screening levels available for comparison. As a conservative measure, consfi;luenls detected ';n groundwater were ;.ompared to avadable NIC 2L Standard or NC WACs, or USEPA Regional Screening Levels (RSL,,) for tag} water wIlen NC 2Ls or I MACs were unavailable. When compared to these screening levels, 16 VOCs, le SVOCs, 151 rnetais and 2 inorganic.-, exceeded the conseN�ative drinkino water screening ievels. Ammonium acid (APFO,'PFOA) was also detected above its sceenin,2 Ievel in several locations. Surface Water The Phase 11 RFI Mvestigabon included the co-flection of 12 surface water samples, none of which had detections exceeding screenmg .-nteria. Therefore, surface water Is not considered a media of concern, Ai.r (indoors), 4 Only one constituent Qetuachloroethenehas beer,, recently detected in groundwater near ocuIpied structures (in the Naflon(R-,", areal above commercial USEPA screening levels as calculated usmq USEPA',s Vapor intrusion Screening Level (VISL) Won sheet (USEPA 20 12). Currentdy, tetracNoroethylene is used in the Nafion,,,Pt area. As a result. the use of coccupabonai based endpoints presented in the Phase 11 RFI Report for screening of the vapor intrusion pat�.way for tetrachloroc-thene :s Considered appropriate. Conseqden fly, the vapor intwsion pathway is not a potential concern for currenf ex,ossire :s P"SONS DEQ-CFW-00044293 CA725 ENVIRONMENTAL INDICATOR DETERMINATION REPORT CURRENT HUMAN EXPOSURE UNDER CONTROL Current Human Exposures Ender Control Environmental Indicator (El) RCRIS Code (CA 725) Page 2b Media Yes No ? Rationale/Key Contaminants No constituents of potentras concern (COPCs) were identifiedin surfa;e soil wher€ cornpared to USEPA :ndustnal RSLs, where available. APFO;PF A was detected in five surface soil samples. However, an industrial soil screening value has not been set for APFOi� A in soil Sr€r ace Soil and, therefore, for put -poses of this evaluation (e.g_ <21 ft) only. the UCEPA Region 4-calculated residential soil screening level of 16 €t-,grr,g for f- FOA concentrations were below this conservative residential soil screening level, Therefore, surface soil is not a potential concern for current exposure. Subsurface Soil No COPCs were identif<ed in subsUrfece soil based on a comparison to USEPA €ndustr€a? SLs Air (OUtdoors) Since there were no COPCs identified in su face soils, no COPCs were identified In outdoor a.r, l n addition, most of the Site is covered by gravel, concrete or vegetation, which mitigates the polenhal for soil particles to become arrborne r ect€on 523I If no (for all rnedia) -skip to rr6.. and enie€. "YE," staves cafe after providing or citing appropriate "levels," and referencing sufficient supporting documentation demonstrating that these "levels" are not exceeded, If yes (for any media) cont.Inue after Identifying key contaminants in each "contaminated" m diurn, citing appropriate "levels" (or provide an explanation for the deternnination that the rnedium could pose an unacceptable risk), and referencing suppor-tiaig ciocuntentation. If unknown (for any media) -skip to #6 and enter "W' status, code. Rationale and Rcference s : Data Set for El Evaluation The most recent data in Site media were used to evaluate current conditions for this El. Site soil data, including subsurface fitholo y, groundwater analytical data: surface water data, and the interaction between sur i ce water and ground a er; have preciously been provided in the following dot:.:uments • RC€ A Facility Assessment (1996) • RC€RA Confirrnatory Sampling (1999) • RCRA Confirmatory Sampling (Supplementai) (1999 t, Former Eire Tra€ni€t Area Investigation (2001: • Phase l RFI Report (2003) • Phase 1 Supplemental RFl (2005) • Phase li RFI Repoa (2006) Phase it RFI Amendment 20091 l..Cl data set, submitted bienniallyldnmual'y to NCDENR (2002 — 201'1 r DEQ-CFW 00044294 CA725 ENVIRONMENTAL INDICATOR DETERMINATION REPORT CURRENT HUMAN EXPOSURE UNDER CONTROL Current Human Exposures tinder Control Environmental Indicator (I I) RCRIS Code (CA 725) Page 2c creeni i 'levels used to evaluate site data Constituent eorcer€trations evaluated ;n this El were, compared to appropriate screening levels to evaluate potential concerns for human health and to Identify OPCs. The, following screening levels were used during the evaluatiorl� Groundwater -- Groundwater is not used for &inl i€,g vaster o€ rrigatio€; on or near the Site; therefore, there are no approprlate risk -lased levels for screening. As a € onservatiwe measure, constituents detected in groundwater were compared to available NC 2L Standards or NC IMAC. or L,SEPA Regional Screening Levels = SLst for tap water, when NC 2L:s or IMAQ:s where available, &€ill -- VOC s, SVOCs, ntetal;s, APFO,'PFOA, glycols, and total petroleum hydrocarbons (TPH" were detected n surface and subsurface so; Soil data were compared red to USEPA RSLs, fo'r industha sail where available. For APFO/ t� OA, L1SEPA Recion 4 has ca culated a residential soil screening level of �16 €� gf°kc, This conservative residential soil screening value was used to compare detections of APFC'Ir F A in surface soil. The SL represents a combined direct contact exposure including inhalation of particulates and vo€able compounds, derma: absorption and ingestion. For the purposes of tl€is evaluation, RKs were hosed on an excess cancer risk of in I rnillion'� and a hazard quotient ° for nonca:€cer effects, of 1 Surface Water— Surface water conce€3trations ,sere compared to North Carolina Surface Water Quality Standards 15A NCAC 2 for human health (water sut.piy'I where auaiiabl . Indoor Air - Only tetras hloroetnene has been detected recently m groundwater near occupied structures fin the Nafon,,8':', area, above commercial EPA screening levels as calculated using USEPA's VJSL it orksheet =l)SE A 2012). Currently, tetrachleroethe€ae is used in the NafionQ',' area. As a result, the use of occupational based endpoints pn�sented in the Phase it RFl Report for screening o the vapor €€trusio pathway for tatrachlo roethia e is considered appropriate and it will be rna€€aged as part of the current occupational pro ra€art_ Constituents of Potential Concern Based on previous Invest€gat€on€ results, the data ev Uabon Indicates that sc€senmg Ieo'e: exceedances were lim€ted and localized to specific areas €n€ the following units: ward waste management unit (SWI` U) a, SWMU 7, SWMIJ 9A & B, WMILl :6; area of concern (AOC) t , AOC .: AOC G and AOC: QW. Groundwater, Gmundwater was evaluated holistically as one AOC (AOC GVar)11. A total of 45 Wour€dwater monitoring ante:€s and 26 piezometers leave been installed at the site daring previous investigations. Based on a conservauve companson to cinnking water criteria, the following COPCs were identified in groundwater: VOCs: €<1-dichloroethene, 1',2-dichl r ethane: 1,2 dicnloropropane, 1,4- di€ hlorobenzene, benzene, bio€r odichloroe'nelliane, hrornoforrn, carbon tetrachlo de. chlorcdibromornethane, iodometha.ne. methanol, methylene chloride, tetrachlorrethylene, trichloroethene, viny° chloride, xy°lenes Fay_,-A725_ !u,t.cke DEQ-CFW 00044295 C A725 ENVIRONMENTAL INDICATOR DETERMINATION REPORT CURRENT HUMAN EXPOSURE UNDER CONTROL Current Hunan Exposures Under Control Environmental Indicator (EI) RCRIS Code (CA 725) 'age 2d SVOCs: I- �enzotamanlihracene, demo b fluoranthene, benzoWf uor ntherle, l;erize( >a r ebis(2-eihylhexyl"ph>halate,,lirysene,tie e, , tl € r € e; f uor ntheye; indeno(1;2,3-wd) pyrene, phenanthrene. pyr ne Other ;_hromWm, Iron, ldad, manganese, mercury, nickel. chloride. fluoride, APFO, TPH ethylene giycol. Surface water The Phase If RR nvestigetion included the collection of 12 surface water samples, None of the surface water detecf€ons exceeded screening criteria-1 however, A F0/P OA was detected in surface water samples and there is no screening ing level for APF IPFOA in surface water, The deteabris of APFO PFOA ;are all be'zow the NG groundwater R,11AC criteria for APFC; therefore, surface water is not considered a media of concern, Sarriace soil: No COPCs were identified in surface soil. Subsurface soil: No COPCs were identified in subsurface soli. 1radocar An: FI~e €otentral for valor in trus€on into on -site and off -site buildmgs is incomplete under current lard use conditions, `Fdtrw-hioroethene is the only constituent to have been detected recently In groundwater near occupied strt€Mges (in the Naflonr,; area;i above commercial EPA screening levels, as calculated using US PA`s VISL Worksheet (US PA 2012). After a review of current site oii)erations and the master c hero;€ca' inventory, tetradhicroethene is tlsed n the Naflol �f area and as a result, the use of occupational based endpoints presented In the Phase it RFl Prepon for screening of the vapor Intrusion pathway for tetrachloroethene is considered appropriate. Consequently, vapor intrusion is not a Potenti l concern for current exposures, Outdoor oor Air. Outdoor air was screened as part of the soil evaluation, No V Cs were identified as COPCs for outdoor air in surface and subsurface sail. Additionally, the potential for fugitive emissions is minimal because the majority of the Site is paved or vegetated. Footnotes: t :�t�i ntC'Irn E;zat}pn°and "Citn}dn5ittateyj` th,-Je des n C.Nl con},aEl m 0ont�tn}nallis { in aw, tnrin, N PL atxl,,or diswjveed. vrip rs. (:w solids, tile; are Sul ls.et to RCRA) in concentrations in excess o appri priately pr( tecti4 risk -based "levels' ( for the inedia, that identify risks within the acceptable ri:s.k ran eI lucent evidence ttalln dw Colorado Dept. o Public flea": and Eni ironrnent, and others) u 3est thatunacceptable indoor air Concentrations are mote CioiTmon in sn ucanes above gToundi itei x6tb volatile uontaininarh than previotlsly believed This is a rapid y dinoloping l3eld and feYie)'k'Lt_ ale enci kmiged to look to the latest, pa,dance for i :e oippfopf late In ttio& arld sv ale I'dewionstratioll necessaf-v so v reasonably ;,stain that indtx.lr air (in nuctures located above (lnd admicent to) f,,rowldvvateF sY.tl titbit FlC [J:i3tiF compounds) does not pteserlt nFlafiCti> t. } llz ESI S, ray._G-A726..F; a;dor DEQ-CFW 00044296 CA725 ENVIRONMENTAL 1NDCATOR DETERMINATION REPORT CURRENT HU%4AN EXPOSURE UNDER CONTROL Current Human Exposures [;sneer Control 1: nvironnaentael indicator (lei) RC RIS code (CA 725) Page Are there complete pathways between "contamination" and human receptors such that exposures can he reasonably expected under the current (land -and groundwater -use) conditions" Summary Exposure Patlauay l:valuation Table Potential Human receptors (Under Current Conditions) "Contaminated" Media Resident Worker Construction Recreational Food' User Groundwater No N,1, Ytcs No No Sosr- �ttt#c�sa��-i� 0040o$--A4 Instructions for Summary Exposure Pathway Evaluation Table: 1 Strike -out specific Media including Human Receptors' spaces for Media which are not "contaminated";) as identified in#2 above. 2. E"€ater "yes" or "110" for potential "completeness" under each "Contaminated" \Vledia—f-lu€ua€t Receptor combination (Pathv.,a ). NA, Not Likely 3, Indirect Pathway/Receptor (e.< ., ve etables, fruits, crops, meat and dairy products. fish, shellfish, etc.) Note: In order to focus the evaluation to the most probable combinations sorno potential "Contaminated„ Media- Human Receptor combinations (Pathways;) der not have check spaces ('<-"}. While these combinations may not be probable in most situations they n-lay be passible in some: settings and should be added as nc~essarv. If no (pathways art: not complete tier any contaminated media -receptor combination) - skip to'46, and enter "YE" status code-, after explaining and/or referencing condition(O in - place, whether natural or €Oran -made, preventing, a complete exposure p,41wav from each contaminated medium (e g., use optional Pathway Evaluation Work Sheet to analyze major pathways). V Ifves (Pathways are complete for any "C'ontamina€ted"Media -l--luinan Receptor combination} -continue after providing supporting explanation. If unknown (for art-, "Contain inated" Media -1 urnan Receptor combination) -skip to #6 and enter "IN'" status cone Rationale and Ret renc.e(s'): r r.:c,,;2_ro"Aao". DEQ-CFW 00044297 C:A725 ENVIRONMENTAL INDICATOR DETERMINATION REPORT CURRENT HUMAN EXPOSURE UNDER CONTROL Current Human Exposures Under Control Environmental Indicator (EI) RC RIS Code (CA 725) Page 3b 'ore ote€�tfai t�rur�;,arr reps toy �aae ide€�fifierl ectioe .� (1) Ors -site Construction/Excavation WorkersThe on-sitesenstr�iction�'excavaV,on worker pore €€€aHy could be exposed to sife relited constituents in groundwater smile repairIn subsurface utility lilies or during short-term construction, Shallow groundwater occ:rrrw at deaths ranging from 2 to 15 feet below ground sort ce 'bcs): therefore, erect c..ontact ,Oth prou€�dwater� may also occur during Intrusive act.vities. Other receptors were considered: however, groundwater is not used in the surrounding area for domestic eater supply, including irrigation, Affected groundwater at tare Site is isolated on -site, and no affected grow ndx eater has been identified migrat,€nq off -site. Therefore, the off -site resident and off -site recreational user were not considered po tentfal receptors. Sensitive receptors te, ., daycare, school are not iocated on cr immediately ad acent to the Site Therefore, no sensif ve receptors were iderrlifled. Corn late � os�€re Patf;,�da a t� 'e�iie ecliorae tn.:2 i€�oia�rfe: (1) Groundwater: The potential for exposure to groundwater is low because se it is not used on -site for potable or industrial purposes, In addition, no residential users have been identified w€thin a;one-€'rile radius of the Site, However, due to the shalk wwr depth of groundwwer in some portions of the Site, exposure € ay occur during activities, Potentially complete exposure, pathways for P worker may rnc;i;A fe inciderrtal ingestion of and der€oral' contact Mh groundwater, However, these pathways are insignificant because inst t€.<t onal controlse.g., Site permit regwreme€its for any intrusive work) are strictly enforced. The groundwater migration to surface water pathway is €nsrgn€fi€,art because the groundw,3ter ,,;once=�trat€ores detected in the perimeter wells we below the applicable s u tac.e water screemn) lever. l�seor :isle � �sulre i�ati�wa s lecfla ectior€ ,2e 1 inolulde tha t€�llowirr '1'r Groundwater. Groundwater isnot used on -site for r7otable or industrial user. Therefore; direct contact inaeston or dermal contact} Kith groundwater `or on s<te industrial workers is incomplete. The groundwater to indoor air pathway is incomplete because on€y tetrachiomethene has been detected above commercial scree ino levels calculated using the t.!SEPA's Vl t.. VVorksheet iUSEPA 2012), Since tetrachloroethene is used In the NafionQD, area, the use of occupational based endpoint`; as presented in the Phase It RFI Report is considered appropriate.. Consequently, vapor intrusion is not a potential concern for current emoosures. 2) Surface Water: The potential for exposure to contaminants in surface water is incomplete, because no C PC;s have been identified in surface water samples from the Cape pear River. (3) Surface Soil The potential for exposure to contaminants in surface soils is incomplete because no COPCs have been identified in surface soil, t4;€ Subsurface Soil The potenbM ff::r exposure to contaminants in subsurface soils is incornptete because no C:Olet s have been identified in sahsu Lace soil. Fay..CA726F;aal doc f....__......._�...o......._____, " PAPSONS DEQ-CFW 00044298 CA725 ENVIRONMENTAL INDICATOR DETERMINATiON REPORT CURRENT HUMAN EXPOSURE UNDER CONTROL Current Human Exposures Under Control EnNironmental Indicator (RI) RCRIS code (CA 725) Page 4 (.'an the exposures. froin any of the complete pathways identified in 413 be reasonably expected to be sienificant"(Lc_ potentially "unacceptable" because exposures can be reasonably expected it) be: I areater in magnitude (intensity, frequency and/or duration) than assumed in the derivation of the acceptable "levels" (used to identity the "contamination")'. or 2) the combination of exposure inagnitude (perhaps even though low) and contanuriant concentrations (which may be substantially above the acceptable "levels") could result in greater than acceptable risk-5i)' 'Y ! IfIlo (exposures cannot be reasonably expected to be significant (i.e., potentially unacceptable") for any complete exposure pathway) -skip to 96 and enter "YE" status g code after explaining and. or referencim, documentation justifyin-, t,,,hythe exposures (from cacti of the complete pathways) to "contamination" (Jdentified in 31) are not expected io be "significant," If yes {exposures could be reasonably expected to he "sionificatit" (i.e_ potentially unacceptable-) for any complete exposure pathway.) -continue after providing a description (of cacti potentially "unacceptable" exposure pathway) and explaining and/or referencing documentation justifj°ing why the exposures (from each of the remaining complete pathways) to "containination" (identified in 9*3 ) are not expected to be If unknown (for any complete pathway) -skip to 46 and enter "IN" status code Rationale and Reference(s): The following potentially complete exposure -Pathways were evaluated S°ep Four of t�--e B determiriation process: Groundwater, On -Site ConstructionflExcavation Worker - incidental ilnge-,�'ion of and derrnal with groundwater Although potentially complete exposure pathways are, evakiated and illustrated in the conceptual site model, no significant exposure pathways were dentifled for the Site. The groundwate, exposure pathway ;,o: constructDri workers is not significant because of the implementation of healti and safety procedures and use of PPE to prevent direc-1 contact with groundwater duFmgg consttruct.on activities. Additional inforrnabori regardmg the exposure pathway analysis is pmvided in Section 7 of this report. If there is any question Oil Whether the identified exposure: are "significant" (Le.. potentially unacceptable") consult a human health Risk Assessment specialist with appropriate education. training and experience. X Fay CA 725_.F;natdr,, DEQ-CFW-00044299 CA725 ENVIRONMENTAL INDICATOR DETERMINATION REPORT CURRENT HUMAN EXPOSURE UNDER CONTROL Current Hun -tan Exposures Under Control Environmental Indicator (El) RCRIS code (CA725) Page 5 1. Can the significant" exposures (identified in 414) be sho"n to be within acceptable l"€mite'? If yes (all "significant" exposures have been shown to be within acceptable Iirnits)- contintre and enter"YE" " after strrnutarizing :and referencing docmnentatii njL, stifving ",by all `signi-icant" exposures try "contamination" are tititbin acceptable Iirnits (e.g., a site -specific F-Furnan 1-iealtb Flask Assessment), If no (there are current exposures that can be reasonably expected to be "unacceptable")- continue and enter W)" status code after providing a description of each potentially "unacceptable" c xpostrre , If unknown (for- any potentially "unacceptable" exposure) - co inne and eater "IN" status code Rationale and Reference(,); This s-ectior. is. not applicable because no Stgnifi;--aw, exposure pathways aIe idea €`ied foC the Site,. F5y_-A.7,25-ina?.doc w' . DEQ-CFW 00044300 CA725 ENVIRONMENTAL INDICATOR DETERMINATION REPORT CURRENT HUMAN EXPOSURE UNDER CONTROL Current Hunan Exposures Under Control Environmental Indicator (EI) IICRIS code. (CA 725) Page fi 6, Check the appropriate RC RIS ,,talus codes for tlae Current i urnan Exposures Under Control F..l event code ('CA71-5). and obtain Supervisor (car appropriate Manager) signature and crate on the El determination below (and attach appropriate supporting documentation as well as a snap of the facility): mm YE -Yes. "Current l Inman Exposures Linder Control" bas been verified, Based cm a revlerw of tlae information contained in this El Determination, "Current Human Exposures" are expected to be "Under Control" at the D ails}apt Fa c;ttewil.ie Works. F.PA 11) 4 �N("l) 04'7 368 64", located at 12,428 C' lli laswaay tf t'est l'akcttcAjlle. Worth C:taroliwa , under current and reasonably expected conditions. This determination will be reevaluated when the Agency/State becomes aware ofsignificant changes at the facility. NO -"Current human I`xposures" are NOT "Under Control." IN -More information is neededtomake a determination. Completed by (signature.) Date (print) (title) Supervisor (sitigmature) Rate prino (title) (LHIPA Region or State) Locations where References may lie four& DuPont CRG. December 1996. RCRA Facility AssessmenRepoft, DuPont CRG. May 1900s€. DCRA Con-firmator4t Sampling Report DuPont CRG, June 1999b, RCRA Confirmatory Sampling (Supplementah; Report. DuPont CRG. Nove€ttber'001. Former Fife Training Area Investigation Pepof,,. DuPont CRG, April 2003. Phase i R 1 Report DuPont CRG. jan;uaa y 2005, Supple�te€eta': Phase I RFI Report, DuPont CRG. dune 2006 Phase 11 DPI Repot. Parsons. April 55. 2011. Phase 1I1 RCRA Facility lnv+estigation Work Plan, Revision 1. US PA, March 2012. Vapor Intrusion Screening Level Calculator. DuPont Fayetteville Works 2002 through 1011. Sarnpi:ng data trarismittals to NCDENR, Contact telephone and e-mail numbers (name) (phone 4) (e-mail) FINAL NOTE: The human exposures El is a qualitative screening of exposures and the determinations within this document should not be used as the sole basis for restricting the scope of more detailed (e.g., site -specific) assessments of risk. DEQ-CFW 00044301 CA725 ENVIRONMENTAL INDACATOR DETERMINATION REPOPT INTRODUCTION CURRENT HUMAN EXPOSURE UNDER CONTROL This Environmental Indicator (EI) Corrective Action (CA) 725 report is being submitted for the E. I. du Pont de Nernours and Company (DuPont) Fayetteville Works (the Site) located in Fayetteville, North Carolina (see Figure 1), The Site received its initial Resource Conservation ,and Recovery Act (RCRA) Permit (NCD047300042) to operate a hazardous waste container storage ,area and tanks in February 1983. An amended Part A application was submitted in 1991 to document upgrades to the Site's fluorocarbon Waste treatment and tank system. The RCRA Part B permit application submitted in August 1993 identified a total of 71,70 gallons of container storage capacity at the container storage area. Stored waste included characteristic Wastes (D001, D002, D003, D007, D009, and D029) and listed Wastes (17002. F003, and F005). In January 1993, the North Carolina Department of Environment and Natural Resources (NCDENR) reissued the Site's RCRA Part B Permit, which was to remain in effect for 10 years. Part V of the permit requires DuPont to investigate (through a RCRA, Facility Investigation [RFI]) potential releases of hazardous substances into the environment as part of the Hazardous and Solid Waste Amendments (N SVGA) Corrective Action Program, In 2007, DuPont submitted an application for renewal of the Site's RCRA Part B Permit, which is currently awaiting NCDENR approval. The El determination was conducted to determine whether human exposure to "contamination" (for all "contamination" subject to RCRA corrective action at or from the facility) that can be reasonably expected under Current land- and groundwater -use conditions are under control (i.e., no unacceptable human exposure). This El was completed in accordance with the guidance established by the United States Environmental Protection Agency (U SEPA 1999). The objective of this evaluation is to provide the results of the El CA725 determination completed for the DuPont Fayetteville Works Facility, The El CA750 Migration of Contaminated Groundwater Under Control determination has been completed as a separate document and has a "YE" El compliance determination for the Site. The remainder of this report is provided in the following sections: • Site history and background (Section 2) • Overview of El determination process (Section 3) • Step One: data review and usability (Section 4) • Step Two: risk -based screening (Section 5) • Steps Three and Four: exposure assessment (Sections 0 and 7) • Step Five: risk characterization (Section 8) • Step Six; El determination conclusion (Section ) a References cited in this report (Section 10) Pa `,a 2,5 fire;.ax. --------------- �.< . DEQ-CFW 00044302 CA 25 ENVIRONMENTAL INDICATOR DETERMINATION INTRODUCTION REPORT CURRENT HUMAN EXPOSURE UNDER CONTROL This. page• €`itentiana ly left blank DEQ-CFW 00044303 CA725 EWRONMEN T AL INDICATOR DETERMINATION REPOT SITE HISTORY AND BACKGROUND CURRENT HUMAN EXPOSURE LENDER CONTROL The following sections include a brief summary of the Site history. Information contained in these sections is summarized from the approved RCRA Facility Assessment: (DuPont 1996), RCRA Confirmatory Sampling (DuPont Corporate Remedlation Group [CRG] 1999a and b), Former Fire Training Investigation (DuPont CRG 2001), Phase I RFI (DuPont CRG 2003), Phase I Supplemental RFI (DuPont CRG 2005), Phase II RFI (DuPont CRG 2006), Phase 11 Addendum (DuPont CRG 2009), the Phase III RFI Work Plan (Parsons 2011) and letters to the state summarizing the results of required groundwater monitoring. The Site is located in Duart Township, Bladen County, North Carolina 15 miles southeast of the city of Fayetteville on NC Route 87, along the Bladen-Cumberland county line. The Site's geographic location is 34050'30" North latitude, 78050'00" West longitude. The Site contains 2,177 acres of relatively flat undeveloped open land and woodland bounded by the Cape Fear River on the east, NC Highway 87 on the west, and farmland on the north and south (Figure 1). The Site's topography is relatively flat within the developed portion, then increases towards the Cape Fear River to the east and Willis Creek to the north of the facility. Topographic relief from the plant is approximately 50 feet to the riverand approximately 40 feet to Willis Creek. The Cape Fear River is located along the eastern property boundary, approximately 1,850 feet from the eastern portion of the manufacturing area. Willis Creek, a tributary of the Cape Fear River, is located in the northern portion of the Site approximately 3,000 feet from the manufacturing area. A drainage channel leading to the Cape Fear River is located just south of the plant area and is used as the outfall area covered by National Pollutant Discharge Elimination Permit (NPDES) Permit Number NC003573. Portions of the Georgia Branch, another tributary to the Cape Fear River, flaw along the southern boundary of the Site. The plant facilities are located on a plateau at an approximate elevation of 150 feet above mean sea level (IVISQ. The plant is situated approximately 70 feet above the 100- and 500-year Cape Fear River iloodplains and at least 1,000 feet from the 100-year floodplain's nearest approach. Figure 1 depicts the Site location overlaying an excerpt of the United States Geological Survey (USES) topographic map of the area. The site layout is depicted on Figure 2, and Figure 3 presents the solid waste management unit (SWIViU) locations. The Site consists of five main manufacturing areas, one former manufacturing area, and two support areas as described in the table below: Area Description Mein Manufacturing Areas ----- Butacite` Manufactures Butacite�' polyvinyl butyral sheeting and polyvinyl butyral resin for automotive and architectural safety glass. hlafion` ! Manufactures Nafion'� fluorocarbon membrane for electronic cells and manufactures fluorocarbon intermediates for Nafione, membrane, TeflonCR? resin, I and VitonG elasto€ners. Fay_C.A?25. do., DEQ-CFW 00044304 CA725 ENVIRONMENTAL INDICATOR DETERMINATION SITE HISTORY AND BACKGROUND REPORT CURRENT HUMAN EXPOSURE UNDER CONTROL Area Description SentryGlas'V" Manufactures SentryGlas`k Plus structural interiayer for architectural safety glass Plus ------------------------------------------ (previous location of now defunct Dymetrolt, nylon strapping). ------------------------............. _....._..._. PPA Manufactures Polymer Processing Aids (PPA). PVF Manufactures Polyvinyl Fluoride (PVF) used to produce TedlarEr film. Farmer Manufacturing Area PMDF Manufactured Teflon`s Fluorinated Ethylene Propylene (FEP) for electrical wiring insulation and other applications. The PMDF unit was permanently shut dawn in June 2009. Support Areas Power Produces steam via oil -fired boilers for the facility's manufacturing areas as well as comfort heating for employees and produces process water and dernineralized water from raw river water. Wastewater Treats process wastewater and sanitary wastewater prior to discharge to the Treatment Cape Fear River, The Site is fenced and guarded, and access is Controlled and limited to authorized personnel only. Sensitive receptors {such as a daycare} are not located on or adjacent to the Site. A regional water table aquifer is encountered at approximately 00 feet below ground surface (bgs). Groundwater elevations range from approximately 100 to 107 feet above MSL in the western areas of the Site to approximately 93 feet MSL in the vicinity of the Nafion"" area, suggesting that groundwater flow is generally towards the Cape Fear River. Upward vertical gradients of 0.07 and 0.11 were measured in the groundwater adjacent to the Gape Fear River, indicating that the Cape Fear River is a discharge boundary for the water table aquifer. Vertical gradients have not been evaluated along Willis Greek to the north of the manufacturing area but, based on visual observations of base flow conditions in the creek and the topography of the area, Willis Greek likely intersects the water table aquifer. In addition to discharge of the water table aquifer to the Cape Fear River and most likely to Willis Creel, a series of incised channels were observed in the Cape Fear River floodplain located to the east of the manufacturing area. These channels are observed to contain a steady flow of water, The most likely cause for the presence of base flow in these channels is that the channels intersect the water table aquifer. An aerially limited perched water zone exists on top of the clay lens that underlies the majority of the Site. This perched zone appears mainly to result from seepage of surface water through the bottom of the North/South Sediment Basins, which store wet river sediment from the Cape Fear River. The perched water zone may also be recharged to a lesser extent by infiltrating rainfall, seepage from the "once through" water ditch in the Nafion`�`" area, and (formerly) by seepage from a small stormwater catch basin north of the PPA Area. The perched zone flows in a radial pattern away from a potentiometric high in the vicinity of the basins. Where perched water is present, it is encountered from approximately six feet bgs in the vicinity of the basins to a depth of approximately 20 feet bgs along the edges of the perched ,zone to the west of the basins. Fay —CA 721,tFit ts?;�Jo DEQ-CFW 00044305 CA725 ENVIRONMENTAL INDCArOR DETERMINATION REPORT SITE HISTORY AND BACKGROUND CURRENT HUMAN EXPOSURE UNDER CONTROL The lateral extent of the perched water zone appears to be controlled by the surface topography of the clay lens as well as its lateral limits. The perched water will flow away from the potentiometric high along the top of the clay lens until either reaching the perimeter of the lens (where it would flow off the edge), reaching a seepage face (such as the one observed along the bluff adjacent to the river), or until there is insufficient hydraulic head (such as in the southwest or near the PPA Area where the clay lens was identified but perched water was not). Shallow groundwater is not used on -site for potable or industrial purposes and no downgradient receptors of off -site groundwater exist due to the prevailing flaw direction towards on -site surface water bodies (such as drainage channels) and the Cape Fear River. There are two on -site domestic water supply wells that have been used throughout the Site's history to provide potable, process, and domestic water supplies for facility needs, These two wells have been disconnected from the Site's drinking water system but have not been closed. The Cape Fear River is located along the eastern property boundary of the Site, approximately 1,850 feet from the eastern portion of the manufacturing area. Willis Creek, a tributary of the Cape Fear River is located in the northern portion of the Site approximately 3,000 feet from the manufacturing area. A drainage channel leading to the Cape Fear River is located just south of the plant area and is used as the outfall area covered by NPDES Permit Number NCO03573. Portions of the Georgia Branch,. another tributary to the Cape Fear River, flow along the southern boundary of the Site. The plant facilities are located on a plateau at an approximate elevation of 150 feet above MSL. The plant is situated approximately 70 feet above the 100- and 500-year Cape Fear River floodplains and at least 1.000 feet from the 100-year floodplain's nearest approach. 2.5 SWMUs The DuPont Fayetteville Works property was purchased as parcels from several families in 1970. The first manufacturing area was constructed in the early 1970s, The facility currently manufactures plastic sheeting, fluorochemicals, ammonium perfluorooctanoate (C-8), and intermediates for plastics manufacturing. A former manufacturing area that was sold in 1992 produced nylon strapping and Elastomeric Tape. In addition to the manufacturing operations, DuPont operates a wastewater treatment plant (WWTP) for treatment of process wastewater, Hazardous waste generated as a result of the chemical processes and laboratory analyses are currently managed in drums at the Hazardous Waste Container Storage Area prior to being shipped offsite for treatment, disposal, or recycling_ In September 1993, a RCRA Facility Assessment (RFA) was submitted to the NCDENR. The RFA was resubmitted in December 1996, and 24 SWMUs and four Areas of Concern (AOCs) were identified at the Site. Subsequent investigations and changes in facility operations have resulted in the identification of a total of 29 SWMUs and 3 ACCs at the Site. Following the Phase 11 RFI, one SWMU (SWMU 6) was identified as needing corrective measures and three SWMUs (7, 9A & B, and 16) and four ADCs (C, E, G and GW) were identified as needing additional data collection to adequately characterize the units. The locations and boundaries of SWMiJs are illustrated in Figure 3, Fe. gCA725... F., gym. rh .0 w DEQ-CFW 00044306 CA725 ENVIRONMENTAL INDICATOR DETERMINATION SITE HISTORY AND BACKGROUND REPORT CURRENT HUMAN EXPOSURE UNDER CONTROL ._-------------------------------------------------------- ........................... ..................................,. 'This Visage intentionaily :eft blank, .............................................................................................................................. � CA, ;es -i;?as do" 3 PAPSONsi DEQ-CFW 00044307 CA:725 ENVIRONMENTAL INDICATOR DETERMINATION REPORT El DETERMINATION PROCESS CURRENT HUMAN EXPOSURE UNDER CONTROL. In 1999, the USEPA developed guidance to assist in the El determination process (USEPA 1999). The guidance document provides the El evaluator with a score sheet to document El determinations. This score sheet is completed in the following stepped approach: ■ Step 1 — Has all available relevant/significant information on known and reasonably suspected releases... subject to RCRA Corrective Action... been considered in this El determination? • Step 2 — Are groundwater, soil, surface water, sediments, or air media known or reasonably suspected to be "contaminated" above appropriately risk -based "Ievels"...from releases subject to RCRA Corrective Action? ■ Step 3 — Are there complete pathways between "contamination" and human receptors such that exposures can be reasonably expected udder the current (land- and groundwater -use) conditions? ■ Step 4 -- Can the exposures from any of the complete pathways identified in #3 be reasonably expected to be "significant"? • Step 5 — Can the "significant" exposures (identified in #4) be shown to be within acceptable limits? ■ Step 6 — El Determination Conclusion A more detailed description of each step completed for this process is included in the following sections of this report. This report completes all six steps. ram/ GRi2rJ_ �'fYl�il. ()i1f, DEQ-CFW 00044308 CA725 ENVIRONNIENTAL INDICATOR DETERMINATION' El DETERMINATION PROCESS REPORT CURRENT HUN0,AN EXPOSURE UNC�ER CONTROL - ------------------- ---- This page i ntertln pally left" r ia,. i< ray._CA:' _kiri,,rd( DEQ-CFW 00044309 CA75 ENVIRONMENTAL INDICATOR DETERMINATION REPORT STEP ONE -- DATA REVIEW CURRENT HUMAN EXPOSURE UNDER CONTROL Step one in the El determination process asks the following question. - Has all available relevant/significant information on known and reasonably suspected release.,. subject to RCRA Corrective Action ...been considered in this El determination? A review of all data gathered from previous investigations performed at the Site was conducted. The results from the previous investigations indicated that constituent concentrations above applicable screening levels were limited and localized to specific areas. In addition, shallow groundwater is not used on -site for potable or industrial purposes and no downgradient receptors of off -site groundwater exist due to the prevailing flow direction towards on -site surface water bodies (such as drainage channels) and the Cape Fear River. • . Confirmatory sampling, investigation of the Former Fire Training Areas, and Phase I and Phase 11 RFIs have been conducted at the Site. Data collected during each investigation are summarized below. In September 1993, a RCRA Facility Assessment (RFA) was submitted to the NCDENR. The RFA was resubmitted in December 1996 and identified 24 SWMUs and four AOCs at the Site. Based in part on the RFA, the NCDENR identified three SWMUs and one AQC that required confirmatory sampling: • SWMU 6 — Process Sewer System • SWMU 7 -- Storm Sewer System • SWMU 9 (A, B & C) — Former WWTP Lagoons • A.QC C — Former Ag Products UST Area An additional AOC, the Former Fire Training Area; was also identified as a result of new construction. Personnel interviews confirmed the use of the area for fire extinguisher training. Based on this information, it was decided that the area would also be included in the confirmatory sampling. The objective of confirmatory sampling was to determine if any of the four units (three SWMUs and one ACC) or the additional area (Former Fire Training Area) warranted an RFI. Sail samples collected from SWMU 6 (Process Sewer System) and the Former Wastewater Treatment Lagoons (SWMU 9A&B) contained low levels of several volatile organic compounds (VOCs) (mainly acetone and methylene chloride). Two metals (iron and nickel) exceeded the upper tolerance background limit in two of the 15 soil borings. The confirmatory sampling results were reviewed with NCDENR personnel during a meeting at the NCDENR Raleigh, North Carolina, offices on June 3, 1999, It was determined that several of the VOCs detected were attributed to laboratory contamination. A supplemental sampling program, to confirm the presence of the VOCs detected in the confirmatory sampling was recommended, Fe,y _-A72�7, Final. •30^ DEQ-CFW 00044310 CA725 ENVIRONMENTAL INDICATOR DETERMINATION STEP ONE -- DATA REVIEW REPORT CURRENT HUMAN EXPOSURE UNDER CONTROL During confirmatory sampling, data was also collected to characterize area background concentrations of naturally occurring substances in sail and groundwater. Concentrations of naturally occurring chemical constituents in the background data were used to determine the presence of chemical constituents that might otherwise have been introduced to the environmental medium as a result of industrial activities. Background concentrations of naturally occurring substances in sails were represented by collecting a set of 12 soil samples from four locations outside the manufacturing area. Background concentrations for soil were calculated using the upper tolerance limit (UTL) approach described in Statistical Analysis of Groundwater Monitoring Data at RCRA Facilities (USEPA 1959). Background concentrations of naturally occurring chemical constituents in groundwater were obtained using sample data collected from two wells (MW 1 S and M'W 12S) located upgradient from SWMU 9AB and away from other manufacturing operations. SWMU 6 -- Process Sewer System Ten samples were collected at SWMU 6 from areas where the highest probability for releases existed, Chloride and fluoride concentrations ranged from less than the practical quantitation limit (<PQL) to 496 and 1040 parts per million (ppm), respectively. Levels of pH in the samples ranged from 2.65 to 11.1. `KPH was detected in eight of the 10 samples at concentrations ranging from <PQL to 294 ppm. Chromium, iron, lead, nickel, acetone and methylene chloride were also detected in several samples above PQL and background concentrations. SWMU 7 _ Storm Sewer System Two surface sail samples were collected from the earthen storm sewer system adjacent to the PVA unloading area. There was no evidence of PVA flake in the storm sewer during sample collection activities or during the entire confirmatory sampling investigation. No compounds were detected above the PQL in samples collected from this location. rk rr r; - ,� rr - rTr A total of 15 soil samples were collected from below the base of the former wastewater treatment lagoons. The sample target depths were based on visual inspection of continuous soil cores and historical knowledge. Soil cores were inspected for the presence of a transition zone that contained material (Le.; biomass) from the lagoon mixed with natural formation material. Chloride and fluoride concentrations ranged from <PQL to 226 ppm and <PQL to 41.9 ppm, respectively. Levels of pH ranged from 5.72 to 3.03. TPH was detected in two samples (9AB-01 14-16 and 9AB-02 3-5) at concentrations of 42 pprn and 65 ppm, respectively. Chromium, iron, lead and nickel were also present in samples collected from this SWMU. Iran concentrations exceeded the 0- to 10-foot and >10-foot UTL (15,029 pprn and 4,610 ppm) in samples from locations 9AB-01 and 9AB-02 at concentrations of 16,700 ppm, 23200 ppm and 4,550 ppm: Mickel concentrations exceeded the 0- to 10-foot and >10-foot UTL (3.37 ppm and 3.73 ppm) in samples from location 9AB-01 and 9AB-02 at concentrations of 4.12 ppm and 5.26 ppm, respectively. Methanol and acetone were also detected in samples collected from this unit. Methanol exceeds the 1 ppm PQL in sample 9AB-01(at 5 to 7 feet) at a concentration of 1.3 ppm. Groundwater samples were collected from six wells installed around the former wastewater lagoons. Based on historic water level measurements wells, MW-1S and MW-12S were used as upgradient reference points. An evaluation of the analytical DEQ-CFW 00044311 CA725 ENVIRONMENTAL INDICATOR DETERMINATION REPORT STEP ONE - DATA REVIEW CURRENT HUMAN EXPOSURE UNDER CONTROL results showed that there were no significant differences in groundwater concentrations between upgradient and downgradient wells. AOC C - Former Ag Products UST Area Based on engineering drawings showing the location of the removed underground storage tanks (USTs), a pilot boring was conducted to determine the base of the former UST excavation. Three soil samples were then collected across the area at depth intervals of 10 to 12 feet. There was no visual evidence of any petroleum constituents in the samples, and no compounds were detected above PQL values in samples collected from this location. Former Fire Training Area One soil sample was collected from within the center of the Former Fire Training Area. Visible signs of staining were not observed in the sample. TPH and TPH in the diesel range (TPH-DRQ) were detected at concentrations of 5600 and 6200 milligrams per kilogram (mg/kg), respectively. Benzene, ethylbenzene, toluene and xylenes (total) (BTEX) were detected at concentrations of 0.008, 0,110, 0.0089 and 0.620 mg/kg, respectively. +' '' s �r r o e,•111 111A•'.' Following submittal of the May 1999 confirmatory sampling report, a supplemental confirmatory sampling report was prepared in December 1999. Additional soil and groundwater sampling was conducted at SWMU 6, SWMU 9A & B, and the Former Fire Training Area to determine the origin of the detected constituents. Soil samples were collected from six locations along the process sewer system (SWMU 6) and analyzed for VOCs. Sample points were located immediately adjacent to those locations from where the original confirmatory samples were collected. Sample depth intervals were identical to those identified for the sampling effort completed during the original event. VOCs were not detected above PQLs in samples from locations 6-02, 6- 04, and 6-05. Analytical results for the sample collected at location 6-03 contained acetone and methylene chloride at concentrations of 0.082 ppm and 6.3 ppm, respectively. Acetone was also detected at a concentration of 0,023 ppm in the sample collected at location 6-01. Soil samples were also collected from the Former Fire Training Area at the presumed center (based on historic operation knowledge) and two locations approximately 20 feet from the center. Sample depth intervals were 8.5 to 9.5 feet and 9.5 to 10.5 feet bgs at the center (FIRESCH-1). At the lateral locations (FIRESCH-2 and FIRESCH-3) sample depths were 3 to 4 and 4 to 5 feet bgs. Analytical results for these samples show that BTEX constituents were below PQL for all samples. TPH results were below PQLs for those samples collected at the lateral locations. Samples collected at the center of the training area had concentrations of TPH of 16,600 ppm (8.5 to 9.5 feet bgs) and 210 ppm (9.5 to 10.5 feet bgs), respectively. TPH-DRO analysis showed concentrations at these depths of 11,000 ppm and 230 ppm. A single groundwater sample was collected from location 6-03 along the process sewer to determine if a release to the shallow groundwater has occurred. Groundwater was encountered at approximately 19 feet bgs. Analytical results for this samples shows that several VOCs were detected at concentrations above the PQLs. Specifically, methylene chloride (29 ppm), acetone (0.14 ppm), methanol (77 ppm), and acetonitrile (2.4 ppm) DEQ-CFW 00044312 CA725 ENVIRONMENTAL aENTAL iNUCATOR DE'TERNUNATION STEP ONE -- DATA REVIEW REP )RT CURRENT HUMAN EXPOSURE UNDER CONTROL were present, Indicator parameter analysis (chloride and fluoride) reported values of 6710 ppm and 470 ppm, respectively, Based on these results, additional groundwater sampling and well installation were recommended to further characterize the nature and extent of the constituents detected during the supplemental confirmatory sampling, 4.1.4 Former Fire Training AreaInvestigation(2001) Soils near the Former Fire Training Area were excavated in conjunction with roadway construction (DuPont CRC 2001). During the excavation process, apparent petroleum staining was observed in the soil west of the pan area. The excavation plans were altered to track and remove all the stained soil above the water table. At the conclusion of this effort the excavation was a nearly 50 feat square pit with three terraces, The bottom terrace measured 20 feet on a side and was 12 feet BGS. The next terrace measured 35 feet on a side and was at 8 feet BCS, The shallowest terrace was excavated to 4 feet BCS. The excavated area was backfilled with clean soils; however, samples collected from the bottom of the excavation (immediately above the perched water) indicated the potential for impact to perched groundwater (the samples collected from the bottom of the excavation (11 to 13 feet bgs) exceeded the 40 ppm action level). Based on these results, it was recommended that additional groundwater samples be collected to determine if the unconfined water table may have been impacted from operations at the Former Fire Training Area. The Phase I RFI was completed (DuPont CRG 2003) to further characterize potential releases to the environment from SWMU 6, SWMU 0A & B, and the Former Fire Training area, which were identified as needing additional investigation during the confirmatory sampling evaluations, A total of seven monitoring wells were installed during the Phase I RFI to characterize groundwater quality. Four monitor wells (NAF-01 through NAF-04) were installed in the vicinity of the common sump in SWMU 6, and three monitoring wells ( TA-01 through FTA-03) were installed in the vicinity of the Former Fire Training Area. One sail boring was advanced in the vicinity of confirmatory soil sample FAY-S-SWMU6-01 in SWMU 6 to confirm the analytical data at a depth of four to six feet bgs and immediately above the water table, Results of the Phase I RFI sampling were as follows: ■ The soil sample collected adjacent to Manhole 1 associated with SWMU 6 did not indicate the presence of compounds detected during confirmatory sampling at concentrations above the method detection limit (MDL), Detected constituents were believed to be associated constituents contained in runoff from the adjacent asphalt road pondidg in the vicinity of Manhole 1 and infiltrating into the soils. ■ One organic compound (methylene chloride) and, two inorganic compounds (chloride and fluoride) were detected above the DEER 2L groundwater quality standards in monitoring wells downgradient of the SWMU 6 (common sump), • Lead and chromium concentrations detected in groundwater samples collected from monitoring wells associated with SWMU g appeared to be naturally occurring based on a comparison of up- and downgradient groundwater concentrations. DEQ-CFW 00044313 CA725 ENVIRONMENTAL. INDUCE TOR DETERMINATION REPORT STEP ONE — DATA. REVIEW CURRENT HUMAN EXPOSURE UNDER: CONTROL. a Groundwater samples collected from monitoring walls associated with the Former Fire Training Area did not indicate the presence of target organic constituents above the MDLs. ■ The lead detected in the groundwater sample collected from upgradient monitor well FTA-01 appears to be naturally occurring. No other target inorganic constituents were detected above the DENR 2L groundwater quality standards. A supplemental Phase I RFI was completed in 2004 (DuPont CRG 2004). The purpose of the supplemental Phase I RFI was to further characterize potential releases from SWMU 6 and the Former Fire Training Area, which were identified in the Phase I RFI as requiring further investigation, During this time frame, DuPont also committed to monitor groundwater and surface water for ammonium perfiuorooctonoate (APFO) as part of a Fetter of Intent with the USEPA. Results of this sampling indicated a trace amount of APFOin a monitoring well upgradient of SWMU 6. Existing monitoring wells in the vicinity of SWMU 6 were therefore also sampled for APFO and perfluorooctanoic acid (PFOA) as part of the Phase I Supplemental RFI, used on the results of the sampling conducted for the Supplemental phase I RFI, additional characterization of the groundwater and surface water in the vicinity of SWMU 6 was recommended. *' .,', • Zia: In 2006, DuPont completed a Phase II RFI for the Site (DuPont CRG 2006). This Phase 11 RF1 was amended in August 2009 based on comments received from the NCDENR. The Phase 11 RFI conclusions indicated that no immediate threat to human health or the environment exists as a result of Site operations. However, additional investigation and characterization were needed in the following areas: ■ SWMU 6 (the common sump) ® continue data collection to support monitored natural attenuation (MNA) as a potential final remedy component • SWMU 7 (PPA manufacturing area storm -water retention basin) — continue data collection and install additional wells w SWMU 6 (WVVT P) — collect additional groundwater data for the area southwest of the unit • AOC E (Glycol Release Area) — collect data to confirm a suspected release of ethylene glycol and quantify impacts As part of the 2010 Phase III Work Plan, each identified SWMUfAOC was re-evaluated in light of additional data that had been collected since the SWMUs1AOCs were initially evaluated during the confirmatory sampling in 1999 through a risk -based prioritization system. In the 1999 report, DuPont integrated the use of risk management into the corrective action process to prioritize the units for further investigation and remediation. The prioritization process uses risk -based criteria and evaluation of the potential for exposure to constituents in soil, sediment, surface water, and groundwater to identify those units, areas, or releases that may pose the greatest potential for adverse effects on human health and the environment. The process is not meant to be a one-time event, but an ongoing, iterative process. In this way, as the RFI proceeds and more Information is gathered, the rankings for a unit can be revised and the investigation priorities re- rae_ A 725 c,ar. dac DEQ-CFW 00044314 CA725 ENVIRONMENTAL INDICATOR DET.EMANATION STEP ONE — DATA REVIEW REPORT CURRENT I+WRAN EXPOSURE UNDER CONTROL evaluated and changed as appropriate. If further characterization is determined to be unnecessary, the units are evaluated for the need for corrective measures. The prioritization process used at the Fayetteville Site incorporates three general steps; • A quantitative comparison of existing data against health -based screening levels and physical/chemical criteria for fire and explosive hazards • A qualitative evaluation of exposure conditions or mitigating factors that affect the interpretation of the results of Step 1 • A comparative review of the concerns identified in Steps 1 and 2 to establish the relative priority rankings among the units Based on the results of the prioritization, the units were placed into the following categories: Insufficient Data, No Further Investigation/Corrective Measures Needed, and No Further Investigation/No Corrective Measures. Following the 2010 re - prioritization, seven units (SWMU 7, SWMU 9A & B, SWMU 16, AOC C; AOC E, AOC G and ,ACC QW) were placed into the "Insufficient Data' category; 1 unit (SWMU 6) was placed into the "No Further Investigation/Corrective Measures Needed" category. These eight units are the focus of the additional work proposed in the Phase III Work Plan. The remaining 33 SWMUsf:AOCs were determined to be in the "No Further Investigation/No Corrective Measures Needed category, and no additional work or evaluations are planned for these units. This El is based on analytical soil and groundwater data collected during the RCRA confirmatory sampling, Former Fire Training Area investigation, and Phase I and 11 RI=Is, Sample analyses included `JOCs, sernivolatile organic compounds (SVOCs), acralein, aciylonitrile. methanol, TPH, metals, chloride, fluoride, and APFOIPFOA, Only the most recent groundwater data for a given constituent was used for the evaluation to represent current groundwater conditions. Analytical data usability was evaluated in the Confirmatory Sampling and Phase I and If RFI reports (DuPont 1999 — 2009) for compliance with the data duality objectives (DQOs) set forth in the various work plans and Quality Assurance Project Plans (QAPPs) developed for the Site. All non -rejected data collected from the investigation activities are included in this El report• The groundwater data are presented in Appendix A and summarized in Table 1 (perimeter wells), Table 4A (all wells) and Table 4B (Nafion@ area wells for evaluation of indoor air). The soil data are presented in Appendix B and summarized based on surface soil (<2 feet lags) and subsurface soil (2 feet to 15 feet bgs) in Tables 2 and 3; respectively, The Phase II RFI investigation included the collection of 12 surface water samples. The surface water data are presented Table 5, DEQ-CFW 00044315 CA725 ENVIRONMENTAL INDICATOR DETERMINATION REPORT STEP TWO - RISK -BASED SCREENING CURRENT HUMAN EXPOSURE UNDER CONTROL. Step two of the El determination process asks the fallowing question: Are groundwater; soil, surface water, sediments, or air media known or reasonably suspected to be "contaminated" above appropriately risk -based "levels"_ from releases subject to RCRA Corrective Action? To answer this question, this section presents the risk -based screening levels appropriate for current land- and groundwater -use at the Site and the media screening process. The following appropriate risk -based screening levels were identified for use in the El determination process based on current actual land and hater uses. In addition, upgradient or backgroundconcentrations were considered in the data evaluation because many of the detected constituents, (i.e., metals,) are naturally occurring. As presented previously, groundwater is not used for drinking water or irrigation on or near the Site. A regional water table aquifer is encountered at approximately 50 feet bgs. Groundwater elevations range from approximately 100 to 107 feet above MSL in the western areas of the Site to approximately 93 feet MSL in the vicinity of the Nafione area,. suggesting that groundwater flow is generally towards the Cape Fear River. Although groundwater is not currently used for potable purposes, constituents detected in groundwater were compared to the applicable NC 2L Standard, NC IMAC, or USEPA Regional Screening Levels (RSLs) for tap water, where NC 2Ls or IMACs were unavailable as a conservative measure to identify CCPCs. Soil data were compared to USEPA RSLs for industrial soil where available. For PFOA, USEPA Region 4 has calculated a residential soil screening level of 16 mg/kg (USEPA, 2009).. The RSL represents a combined exposure including inhalation of particulates and volatile compounds, dermal absorption and ingestion. Constituents that exceeded the RSL were also compared to site -specific background data for inorganics, if available. For the purposes of this evaluation, RSLs were based on an excess cancer risk of 10-,3 (1 in 1 million) and a hazard quotient for noncancer effects of 1. 5.1.3 Surface 'dater The Phase ll RFI investigation Included collection of 12 surface water samples. Surface water concentrations were compared to forth Carolina surface Water Quality Standards (1 5A NCAC 213) for human health —water supply where available. Only tetrachloroethene has been recently detected in groundwater near occupied structures in the Nafion@ area above conservative commercial EPA screening levels using the `vapor Intrusion Screening Level (VISL) Calculator (USEPA, 2012). DEQ-CFW 00044316 CA725 ENVIRONMENTAL INDICATOR DETERMINATION STEP TWO — RISK -BASED SCREENING REPORT CURRENT HUMAN EXPOSURE UNDER CONTROL Currently, tetrachloroethylene is used in the Nafion(Tl area and as a result, the use of occupational based endpoints presented in the Phase 11 RFI Report for screening of the vapor intrusion pathway for tetrachloroethene is considered appropriate. Consequently, the conclusions presented in the Phase 11 RFI report regarding the vapor intrusion pathway are valid (i.e., vapor intrusion is not a potential concern for current exposures), 0 The groundwater and soil quality data collected from the previous investigation activities were compared to the screening criteria discussed in Section 5<1. Screening level exceedances may indicate a potential release from a unit, but do not indicate that an unacceptable exposure exists. Rather, the screening levels serve to indicate potential concerns for human exposure. The screening evaluation results are discussed below. For the purpose of the El, groundwater was evaluated holistically as part of its own AOC (AOC GW). Although release to groundwater was evaluated as part of each unit, this holistic approach allows for making determinations with respect to current site conditions at perimeter boundaries and potential exposure points. A total of 45 groundwater monitoring wells and 26 piezorneters have been installed at the Site during historical investigation efforts. During the CS and RFI, groundwater samples have been analyzed for VOCs, SVOCs, and metals, as well as APFO, methanol, glycols (selected locations only), gas -phase hydrocarbons, MNA parameters, and water quality parameters. The results of these sampling events are summarized in Table 4 and presented in Appendix A. When compared to 15A NCAC 2L, North Carolina 2L (NC 2L) Groundwater .Standards Or USEPA Regional Screening Levels for Tap Water, a number of constituents of concern (COCs) exceeded the screening criteria. These included several VOCs, SVOCs; and metals. APFO was also detected in several locations across the site. Exposure .. Soil Soil Between 1996 and 2009, 115 soil samples were collected in the Site manufacturing areas. Soil boring locations are shown in Figure 4. Samples were analyzed for VOCs, SVOCs, metals, APFOJPFOA; TPFI and inorganics: The soil analytical results are summarized in Appendix B. Tables 2 and 3 provide a summary of the surface and subsurface soil data, respectively. COPCs were not detected at concentrations exceeding the screening levels in surface soil (<2 feet bgs) and subsurface soil (>2 feet bgs), One constituent (tetra chloroethylene, Table 4B) has been recently detected in groundwater near occupied structures in the Nafion@ area above commercial EPA screening levels using USEPA's VISL Calculator (USEPA 2012). After a review of ------------- DEQ-CFW 00044317 CA725 ENVIRONMENTAL INDICATOR DETERMINATION REPORT STEP TWO - RISK -BASED SCREENING CURRENT HUMAN EXPOSURE UNDER CONTROL current site operations and the master chemical inventory for the Nafion@) area, tetrachloroethylene is currently used in the Nafion@ area. As a result, the use of occupational based endpoints presented in the Phase Il RFI Report for screening of the vapor intrusion pathway for these constituents is considered appropriate and the conclusions presented in the Phase II RFI report regarding the vapor intrusion pathway are still valid (i.e.; vapor intrusion is not a potential concern for current exposures). There were no COPCs identified in surface sail; therefore, outdoor air is not considered a complete exposure pathway. In addition, most of the site is covered by pavement, gravel or other ever and excavation limitations are in place to ensure the appropriate PPE is used if soil is disturbed. Although shallow groundwater is not used for domestic purposes, shallow groundwater in the vicinity of the perimeter wells may discharge to the Cape Fear River. Iron and manganese were the only CCIPCs present in groundwater with concentrations above their aquatic or human health screening levels (El 750, Parsons 2012). These two metals, however, were analyzed for as part of a natural attenuation determination and are not associated with facility operations. Furthermore, the Phase 11 RFI included the collection and analysis of 12 surface water samples. None of the constituents detected in surface water exceeded screening criteria. Therefore, discharge of affected groundwater into the Cape Fear River is not significant. DEQ-CFW 00044318 CA727 ENVIRONMENTAL. INDICATOR DETERMINATION STEP TWO - RISK -BASED SCREENING REPORT CURRENT HUMAN EXPOSURE UNDER CONTROL. TtIis page €r tentionally left blank F____€.......................................................................................__.................................__........... DEQ-CFW 00044319 CA725 ENVIRONMENTAL INDICATOR DETERMINATION REPORT CURRENT HUMAN EXPOSURE UNDER CONTROL Foy. "A72 STEP THREE — COMPLETE EXPOSURE PATHWAYS Step three of the El determination process asks the following question: .Are there complete pathways between "contamination" and human receptors such that exposures can be reasonably expected under the current (land- and groundwater -use) conditions? An exposure pathway consists of the following: ■ Constituent source(s) w Mechanism of constituent release to the environment ■ Transport or exposure medium containing the constituents ■ Exposure point where humans (receptors) can contact the exposure medium ■ Exposure route (e.g., inhalation or ingestion) All of these elements must be present for an exposure to occur. Figure 6 depicts the potential pathways by which human receptors may be exposed to constituents in environmental media under current land- and water -use conditions. This model for the El determination process identifies chemical sources and exposure pathways that can potentially result in human exposure. This section therefore presents the potential receptors for the current land and groundwater uses and complete exposure pathways identified for each potential receptor. Potential receptors are defined as human populations or individuals and environmental systems that are susceptible to contaminant exposure from the DuPont Fayetteville Facility. As part of the El determination process, only current land- and water -use conditions were considered in determining exposure scenarios. However, future land use is anticipated to be no different from the current use in that manufacturing operations will continue and use of the property will remain non-residential. Identified potential human receptors; given the site setting and land uses at and adjacent to the Site, are described in the following paragraphs. On -Site industrial Worker The Site is an active industrial facility; therefore, industrial workers are considered as the current on -site potential human receptors. Exposure to surficial soils by workers is expected to be minimal because the majority of the workers work inside buildings, and outside storage areas are paved with concrete. Therefore, potential exposure to constituents in surface soil (0 to 2 feet bgs) is limited to small areas that do not have a surface cover (bare soil). On -Site ConstructionlExcavation Worker The on -site construction/excavation worker is potentially exposed to surface and subsurface soil and groundwater while repairing subsurface utility lines, performing intrusive activities, or during short-term construction activities. Groundwater occurs in some shallow monitoring wells at depths ranging from approximately 2 to 16 feet bgs at DEQ-CFW 00044320 STEP THREE — COMPLETE EXPOSURE t A725 ENVIRONMENTAL €laDICA'€'OR DE'FERMINA11ON PATHWAYS CURRENT CURRENT HUMAN EXPOSURE UNDER CONTROL the Site, therefore, direct Contact With groundwater may also occur during intrusive activities. Off -Site Recreational User Recreational users Were considered potential Off -site receptors because of the potential that constituents detected in the perimeter wells could migrate to the North Carolina River. :#r W rM•-� The closest resident is located approximately 1200 feet from the Site. Groundwater is not used for domestic water supply, including irrigation, in the surrounding area. Groundwater impacts at the Site are isolated on -site, and no plume has been identified as migrating off -site. Therefore, the off -site resident Was not considered a potential receptor. Sensitive receptors Sensitive receptors (e.g., daycare, school) are not located on or immediately adjacent to the Site. Therefore, no sensitive receptors were identified, Consistent with the El determination process, the potentially complete exposure pathways identified in Figure 6 Were further evaluated to determine if exposures can reasonably be expected to occur under current land -use conditions at the Site. Mitigating factors were used in the evaluation of the completeness of an exposure pathway. The evaluation of mitigating factors uses logical and scientifically defensible reasoning based on a broader, more site -specific understanding of the conceptual site model to more accurately predict the potential effects to potential receptors. Mitigating factors may include caps and covers that minimize the potential for direct contact; groundwater use restrictions; institutional controls established to minimize worker exposure and potential trespassers; or waste management records identifying the types of Wastes handled at a unit. Application of mitigating factors is consistent with the approach used in Government Performance and Results Act (GPRA) El determinations, Current human exposures are considered to be controlled if there is not a complete exposure pathway. The rationales for identifying pathways as complete or incomplete are discussed by media in the following subsections. • MAT - Although site -related constituents were detected in the groundwater (see Section 5.2.1), there is no potential for exposure to groundwater because it is not used on -site for potable or industrial uses, Therefore, direct contact (ingestion or dermal contact) with groundwater for on -site industrial workers is incomplete. Exposure to shallow groundwater may occur in some portions of the Site during excavation/utility activities. However, the potential exposure of on -site construction/excavation workers to impacted groundwater would not be significant (i.e., limited exposure), especially given the DuPont health and safety policies and industrial controls. Intrusive activities at the site are required to follow a permitting process. A rigorous system of health and safety policies and procedures are also employed at the Site to protect against unacceptable human Pap Fl 2S_ rsa� o,... DEQ-CFW 00044321 CA725 [NMRGNM>.: NTAL I€ DiCATOR DETERNIINATIC3N REPORT CURRENT HUMAN EXPOSURE UNDERCONTROL ONTRO STEP THREE - COMPLETE EXPOSURE PATHWAYS exposures. The purpose of the health and safety policies and procedures is to ensure that appropriate personnel protection measures (e.g., PPE) are taken should such subsurface activity have the potential to encounter impacted sails or groundwater. In addition, construction practices are followed so as to minimize the generation of potentially impacted media and to ensure that such media are properly characterized and disposed of in accordance with regulatory requirements. Therefore, the direct contact with shallow groundwater for can -site construction/excavation worker is also incomplete, Groundwater to indoor air is incomplete because there have been no recent detections of volatile constituents in groundwater near occupied buildings above commercial screening levels except for one detection of tetrachloroethene in the Nafione area. Tetrachloroethene is used in the NafionOD, area and as such, worker exposure to tetrachloroethene is monitored in accordance with OSHA regulations. The potential exists for affected groundwater at the Site perimeter to discharge into the Cape Fear River, however, based on data presented in the El 750 report; this discharge is insignificant Surface Sail No COPCs were identified in surface soils: therefore, this pathway is considered to be incomplete. Subsurface sail No COPCs were identified in subsurface soils, therefore, this pathway is considered to be incomplete. a s' No complete pathways were identified for the site under current conditions When mitigating factors are considered as described above. -------------- s , DEQ-CFW 00044322 STEP THREE - COMPLETE EXPOSURE CA 25 ENVIRONMENTAL INDICATOR DETERMINATION REPORT PATHWAYS CURRENT HUMAN EXPOSURE UNDER CONTROL This page intentionally left t?l a€ k Fay_.CA 2a_ DEQ-CFW 00044323 CA725 ENVIRONMENTAL iNDIc;Al OR UETERtA1P ATION REPORT STEP FOUR -- EXPOSURE ANALYSIS CURRENT HUMAN EXPOSURE UNDER CONTROL The screening processes used in Step Two and Step Three may yield an incomplete picture that over- or underestimates the conditions associated with that unit for posing a potential adverse effect on human health. As a result, step four of the El determination process asks the following question: Can the exposures from any of the complete pathways identified in ##3 be reasonably expected to be "significant"? This section therefore considers the unit- or site -specific activity patterns and physical conditions that exist at the Site or unit and focuses on whether potential exposure pathways and receptors can be reasonably expected to be significant. For the DuPont Fayetteville Facility, it was determined that while potentially complete exposure pathways exist, no significant exposure pathways were identified. Impacts to groundwater at the Site were found to be isolated occurrences. No continuous release to groundwater has been identified and no affected groundwater is migrating off -site. Thus, this exposure pathway is insignificant because site -related COPC concentrations detected in downgradient perimeter wells are below applicable human health surface water screening levels. ■'.. :.' DEQ-CFW 00044324 CA725 ENVIRONMENIAL INDICATOR DTERM1NFTION STEP FOUR -- EXPOSURE ANALYSIS REPORT CURRENT HUMAN EXPOSURE UNDER CONTROL f _Ibis page €r-€tcnfic,nally left b':ank 1.................................................................................................................. __..... Fay- CA. i'26.Fmw cim ^"., .. pq DEQ-CFW 00044325 CA725 ENVIRONMENTAL INDICATOR DETERMNATIcN REPORT STEP FIVE - RISK CHARACTERISATION CURRENT HUMAN EXPOSURE UNDER CONTROL Step fire of the El determination process quantitatively evaluates the specifics of reasonably anticipated exposures exceeding screening levels. Specifically, Can the "significant" exposures (identified in 4) be shown to be within acceptable limits? As discussed in Section 7, there are no significant potential exposure pathways for human receptors under current conditions. As a result, Step Five of the El determination process was not completed. The conclusion of the El determination is presented in Section 9, which contains Step Six, the final step in the El determination process. DEQ-CFW 00044326 CA725 ENV€RONMENTAL. INDICATOR DETERMINATION STEP FIVE - RISK CHARACTERIZATION REPORT CURRENT HUMAN EXPOSURE UNDER CONTROI DEQ-CFW 00044327 CA725 EWRONME NTAL INDICATOR DETER INA11can REPORT STEP SIX El DETERMINATION CURRENT HUMAN EXPOSURE CINDER CONTROL The evaluation completed in steps one through six of the El determination process results in one of three potential responses: "YE" (yes "current human exposures under control" has been verified), "NO" ("current human exposures" are not "under control"), or "IN" (more information is needed to make a determination. A positive CA725 El determination (YE) was achieved for the DuPont ,Fayetteville Works as summarized in the USEPA score sheet included in the opening pages of this report and depicted in the flowchart on the fallowing page. A positive "Current Human Exposures Under Control" El determination ("YE" status code) indicates that there are no "unacceptable" human exposures to "contamination" (i.e., contaminants in concentrations in excess of appropriate risk -based levels) that can be reasonably expected undercurrent land- and groundwater -use conditions (for all "contamination" subject to RCRA corrective action at or from the identified facility i.e., sitewidej) (USEPA 1999). Facility Name: DuPont FaVetteville Works EPA ID : €BCD 047 368 642 City/State:ttvll NI Crallr CURRENT HUMAN EXPOSURES UNDER CONTROL (CA 725) Jl-M,y.. tom:A 72 ._rr;"Sr. Ls,;c ------------------------------ ■:lix . DEQ-CFW 00044328 CA725 ENVIRONMENTAL INDICATOR DETERMINATION STEP SIX - El DETERMINATION REPORT CURRENT HUMAN EXPOSUREUNDER CONTRO€.. ------------------------------------- DEQ-CFW 00044329 CA725 ENVIRONMENTAL. INDICATOR DETERMINATION REPORT REFERENCES CURRENT HUMAN EXPOSURE UNDER CONTROL DuPont. December 1996. RCRA Facility Assessment Report DuPont CRG. May 1999a, RCRA Confirmatory Sampling Report DuPont CRG. June 1999b, RCRA Confirmatory Sampling (Supplemental) Report DuPont CRG. November 2001, Former Fire Training Area Investigation Report. DuPont CRG, April 2003. Phase I RFI Report DuPont CRG. January 2005, Supplemental Phase I RFI Report. DuPont CRG. June 2006. Phase 11 RFI Report. DuPont CRG. 2009 Phase 11 RFI Amendment. DuPont Fayetteville Works, 2004, Biennial Report for APFO Manufacture, Calendar Years of 2002 and 2003. DuPont Fayetteville Works. July 25, 2006. Biennial Report for APFO Manufacture, Calendar Years of 2004 and 2005. DuPont Fayetteville Works. January 17, 2006. Drinking Water Well Analytical Results. DuPont Fayetteville Works, April 21, 2007, 2007 Groundwater and Surface Water Data Transmittal. DuPont Fayetteville Works, April 21, 2008, 2008 Groundwater Data Transmittal, DuPont Fayetteville Works. July 7, 2009. 2009 Groundwater Data Transmittal. DuPont Fayetteville Works, July 1, 2010. 2010 Groundwater Data Transmittal -- Correction, DuPont Fayetteville Works. July 20, 2011. 2011 Groundwater Data Transmittal. Parsons. April 5, 2011. Phase III RCRA Facility Investigation Work Flan, Revision 1. Parsons, 2012. Environmental Indicators 750 Report. Migration of Contaminated Groundwater Under Control, USEPA. 2012, 'vapor Intrusion Screening Level (VISL) Calculator. DEQ-CFW 00044330 CA72: ENVIRONMENTAL INDICATOR DETERMINATION REFERENCES REPORT CURRENT HUMAN EXPOSURE UNDER CONTROL This page into €tk-inail°y left blank Fay_ CA.7,15F;;, r. oc M DEQ-CFW 00044331 DEQ-CFW 00044332 Pavement/Curb Plant Border Drainage Channel Non -Contact, Once Through Water Ditch /"V River ------------- I Site Structure = SWMU Aerial Photograph provided by DuPont, taken 12/2005 t3}F hr. (W#E. DUPONT NO., Site Layout flap CA7 a Environmental Indicator Determination Report e ;sfun ure>a: ARSON$NO.: 4701 Hedgemore or. a DuPont Fayetteville Works Charlotte, N< 28209 a� �3a Lf r1 �..a..ilti.Fle� Fayetteville, North Caroline ....... ......... ....._. ....._. ......_ ..... - ......... ......_--------- .........------------------------------------------- .............. _____.............. - ____............. __. ....... -_ ............... ____............ - _........ _------.._._.....____._ — .._..._. --- .... ____._ -------------- _...__ �fl f 1 DEQ-CFW 00044333 DEQ-CFW 00044334 DEQ-CFW 00044335 DEQ-CFW 00044336 DEQ-CFW 00044337 DEQ-CFW 00044338 If L Perimeter Groundwater Compared to Human Health Surface Water Screening Levels (water Supply) CA725 El Determination Deport DuPont Fayetteville �%`brka Fayetteville, North Carolina N H2O 07 t end ND = Non detectw° staid repnfling iirnit PAASONS Page 1 of 12 May 2012 DEQ-CFW 00044339 Table 1 Perimeter Groundwater Compared to Human Health Surface Water Screening Levels (water Supply) CA725 El Determination Report DuPont Fayetteville Works Fayetteville, North Carolina Nt H2c0 r' a and ND = Non detect at slMed reporting knit PAASONS Page 2 of 12 May 2012 DEQ-CFW 00044340 Table 'I Perimeter Groundwater Compared to Human Health Surface Water Screening Levels (water Supply) CA725 E! Determination Report DuPont Fayetteville Works Fayetteville, North Carolina NC-H20_:?? F and NO,-- Cron detect at stated reporting lima PAAASONS page 3 of 12 May 2012 DEQ-CFW 00044341 Table I Perimeter Groundwater Compared to Human Health Surface Water Screening Levels (water Supply) CA725 El Determination Report DuPont Fayetteville Works Fayetteville, North Carolina Location LTW-01 LTW-01 LTW-01 LTW-01 LTW-01 LTW-01 LTW-01 LTW-01 LTW-01 LTW-01 LTW-02 LTW-0 LTW-02 LTW-02 NC Date 212/06' 2/13/07 2/13/07 2/27/08 2127/08 3/25/09 3/25/09 3/23/10 311/11 311/11 212I00' 2/13/07 2/27/08 3/25/09 Water Supply Top (ft) 0 0 0 0 0 0 0 0 0 0 0' 0 0 0 Total (T)t Screening Bottom (fit) 0' 0 0 0 0 0 0 0 0 0 0' 0 0 0 Analyte units DIss. D Criteria Duplicate FS DUP FS DUP FS DUP FS FS DUP FS FS' FS FS FS METHYL METHANESULFONATE UG/L T <10 <10 NAPHTHALENE UG/L T <10 <10 N-DIOCTYL PHTHALATE UG11- T 900 UG?L <10 <10 NITROBENZENE UGIL T 17 UG/L <10 <10 N-NITROSO METHYL ETHYLAMINE UG/L T <10 <10 N-NITROS.ODIETHYLAMINE UG/L T 0:0008 UG/L A<10 A<10' N-NITROSODIMETHYLAMINE UGIL T 0,00069 UG/L A<10 k<10 WNITR DSO -ICI' WB TYLAMIN UG/L T 0,0063 UG/L A<10' A1510 WNITROSCDI-N-PRO YLAMINE UG/L T 0.005 UGIL A<10 A<103' N-NITRI SODIPHENYLAMINE UGIL T 0.0033 UG/L A<10 A<1f7 N-N€TROSOMORPHOLINE UG./L T <10 <10 N-NITROSOPIPERIDINE UG/L T <10 <10 hl-NITi; kSOPYRROLII INIw UGIL T 0.016 UGIL '<10' <10" 0,0,0-TRIETHYLPHCSPHOROTHIOATE UGIL T <10 <10 O-TOLUiDINE UGIL T <10 <10 PARR-PHENYLENEDIAMINE UG/L T <100 R <100 R PCN-2 UG/L T 1000 UG/L <10 <10 PENTACHLOROBEN, ENE UG/L T 1 A UG/L A<10A 10 . PENTACHLORONITROBENZENE UGIL T <10 <10 PENTAGHLOROPHENOL UG/L. T 0.27 tJG?L A<20 ' 20> PHENACETIN UGIL T <10 <10 PHENANTHRENE UGIL T <10 <10 PHENOL UG/L T 300 UG.,L <10 <10 PYRENE UGIL T 830 UG/L <10 <10 PYRIDINE UG/L T 34 UG/L <10 <10 SAFROLE UG/L T <10 <10 TETRAETHYL DITHIOPYROPHOSPHATE UG/L T <10 <10 THIONAZIN UG/L T <10 <10 PRONAMIDE UG/L T <10 <10 DIMETHOATE UG/L T <10 <10 CALCIUM UG/L T 1860 J 1630 J IRON UGiL T 3510 1080 MAGNESIUM UG/L T 1240 J 788 J MANGANESE UGIL T 200 UG/L 182 21.0 POTASSIUM UG/L T 1620 J 4270 J SODIUM UG/L T 6390 11100 ALKALINITY, BICARB. AS CAC03 AT PH 4.5 UG/L T 2500 B <10000 AMMONIA UG/L T <100 <100 CHLORIDE UG/L T 250000 UG/L 8260 5850 DIALLATE CIS ISOMER UG,L T <10 <10 DIALLATE (TRANS ISOMER) UG/L T I <10 <10 FLUORIDE UGIL T 210 <100 NITRATE UG/L T 10000 UG/L <50 <50 NITRITE UG/L T 23 UG/L "< A<50 PHOSPHORUS UG/L T 97.3 J 94.2 J SULFATE UGIL T 250000 UG/L 18400 B 21700 B SULFIDE UG/I.. T 400 B 400 B TOTAL ORGANIC CARBON UGIL T t <5000 <5000 NC H2O 07 < and ND = Non detect at stated fe-pu Sng limit PARSONS Page 4 of 12 May 2012 DEQ-CFW 00044342 Table 9 Perimeter Groundwater Compared to Human Health Surface Water Screening Levels (water Supply) CA725 El Determination Report DuPont Fayetteville Works Fayetteville, North Carolina NC i- 20 07 < and N6 = Non detee; at stated repxting limit PAIIIIIIASONS Page 5 of 12 May 2012 DEQ-CFW 00044343 Table 9 Perimeter Groundwater Compared to Human Health Surface dater Screening Levels (water Supply) CA725 Ei Determination deport DuPont Fayetteville Works Fayetteville, North Carolina NC H2Q U and ND = Non detect at stated reporting iimit PARSONS Page 6 of 12 May 2012 DEQ-CFW 00044344 Table 1 Perimeter Groundwater Compared to Human Health Surface Water Screening Levels (water Supply) C,A725 El Determination Deport DuPont Fayetteville Works Fayetteville, North Carolina NC H2o 07 < and ND -Edon detect at wiaifi-U repotting iirrit PARSONS Page 7 of 12 May 2012 DEQ-CFW 00044345 Table I Perimeter Groundwater Compared to Human health Surface Weer Screening Levels (water Supply) CA725 Fi Determinatior Deport DuPont Fayetteville Works Fayetteville, North Carolina NC N20_07 <c and NU - Nc^ detect at slated reprrir g iimit PAMSONS Page S of 12 May 2012 DEQ-CFW 00044346 Table 1 Perimeter Groundwater Compared to Human Health Surface Water Screening Levels (water Supply) CA725 El Determination Report DuPont Fayetteville Work Fayetteville, North Caroline NC_t i n i 7 < and ND x Non detect at stated repr-Aing emit DAMSONS Page 9 of 12 May 2012 DEQ-CFW 00044347 Table 1 Perimeter Groundwater Compared to Human health Surface Water Screening Levels (water Supply) CA725 El Determination Report DuPont Fayetteville Works Fayetteville, North Carolina NC H2O 07 < and ND W Non detect at stated repnr°ircg lirr+lt PAASONS Page 10 of 12 May 2012 DEQ-CFW 00044348 Table 1 Perimeter Groundwater Compared to Human health Surface dater Screening Levels (water Supply) CA725 El Determination Report DuPont Fayetteville Works Fayetteville, North: Carolina NC H2O 07 < and Nib = Non detect at stated rdportng ilrnit PAMSONS Page 11 of 12 May 2012 DEQ-CFW 00044349 Table 1 Perimeter Groundwater Compared to Human Health Surface Water Screening Levels (water Supply) CA725 El Determination Report DuPont Fayetteville Works Fayetteville, North Carolina Location LTW-04 LMU -05 LTW-fly LTW-05 LTW-05 LTW-05 LTW-05 NC date 3/2/11 2i21t16: 2/13/07 2/28/08 3/26/09 3124!10 3/2/11 Water Supply Tap (ft) 0 0' 0 0 0 0 0 Total (T)f Screening Bottorn (ft) 0 0 0 0 0 0 0 Analyla Units Diss. D Criteria Duplicate FS FS' FS FS FS FS FS METHYL M ETHAN ESU LFONATE UG/L T I <10 NAPHTHALENE UG/L. T <10 N-DIOCTYL PHTHALATE UGIL T 900 UG/L <10 NITROBENZENE UG/L T 17 UGIL <10 N-NITROS{O METHYLETHYLAMiNE UG/L T <10 N-NITR OSODIETHYLAMINE UG/L T 0.0008 UG/L "<10' WiN11T OSODIMETHYLAMONE UG/L T 0,00069 U&L A<l0 N-NITR0 SO-DIdWBUTYLAMINE UG/L T 0.0063 UG/L ,1<10 N-NITRs°OSODI-N-PRtOPYLAMINE UG/L T 0,005 UGIL h<10 N-NITROSODIPHENYLAMINE _ UG,L T 0.0033 UGIL R<10 N-NITROS{OMORPHOLINE UGIL T <10 N-NITROSOPIPERIDINE UGIL T <10 N-NITR ISOPYRRfOLiDINE UG,1L T 0.016 UG/L A<10 0,0,0-TRiETHYLPHOISPHCOROTHIOATE UG/L T <10 O-TOLUIDINE UG/L T <10 PARR-PHENYLENEIOIAMINE UG/L T <100 R PCN-2 UG/L T 1000 UG/L <10 PENTACHLtORCOSENZENE UGIL T 1.4 UG/l. PENTACHLtORONITROBENZENE UG/L T <10 PENTACHLOROPHEN OL UGIL T 0,27 UG(L .............................. A<20 PHENACETI'N UGIL T <10 PHENANTHRENE UGIL. T <10 PHENOL UG/L T 300 UG/L <10 PYR NE UG/L T 830 UGIL <10 PYRIDINE UG/L T 34 UG/L <10 SAFROLE UGIL T <10 TETRAETHYL DITHIOPYROPHOSP-HATE UG/L T <10 THIONAZIN UG/L T <10 PROONAMIDE UGIL T <10 DIMETHOATE UGlL T <10 CALCIUM UG/L T 2750 J IRON UG/L T 8550 MAGNESIUM UG/L T 1550 J MANGANESE '< UG/L T 200 UG/L ''368, POTASSIUM UGIL T 4060 J SODIUM UG/L T 9250 ALKALINITY, BICARB, AS CACO3 AT PH 4,5 UG/L T 4610 B AMMONIA UG1L T <100 CHLORIDE UG/L. T 250000 UGIL 8980 DIALLATE C1S ISOMER UGIL T <10 DIALLATE TRANS ISOMER UG/L T <10 FLUORIDE UG/L T <100 NITRATE UGIL T 10000 UG/L <50 NITRITE UGJL T 2.7 UG/L <^<50 PHOSPHORUS UGIL T 116 J SULFATE UGIL T 250000 UG/L 26900 SULFIDE UG/L T 400 B TOTAE ORGARZCARBON UG1L T <5000 NG H2rl 07 < ant; ND - Nan deie ct at ;toted repor<i^g kmii PAAASONS Page 12 of 12 May 2012 DEQ-CFW 00044350 Table 2 Summary of Surface Soil Analytical Data CA725 El Determination Report DuPont Fayetteville Works Fayetteville, North Carolina X: 7AV& APFO 3825261 UG/KG 8 5 1,43E+01 4,90E+01 SOIL-001 APFO (Trial) EVS0275 UG/KG 8 5 1 Al E+01 4.80E+01 SOIL-001 PFOA 335671 UG/KG 8 5 1,38E+01 4.70E+01 SOIL-001 1 .60E+04 PFOA(TRIAL) EVS0489 UG/KG 8 5 1,36E+01 4,60E+01 SOIL-001 1,1,1,2-TETRACHLOROETHANE 630206 UGXG 7 0 3.79E+00 9.30E+03 1,1.1 -TRICHLOROETHANE 71556 UG/KG 7 0 163E+00 3.80E+07 1,1,2,2-TETRACHLOROETHANE 79345 UGIKG 7 0 3.69E+00 2.80E+03 1, 1,2-TRICHLOROETHANE 79005 UG/KG 7 0 3.80E+00 530E+03 1,11-DICHLOROETHANE 75343 UG/KG 7 0 3,63E+00 1,70E+04 1,1-DICHLOROETHENE 75354 UGXG 7 0 183E+00 1A0E+06 1,23-TRICHLOROPROPANE 96184 UG/KG 7 0 165E+0C1 9,50E+01 1,2-DIBROMO-3-CHLOROPROPANE 96128 UG/KG 7 0 3.82E+00 6.90E+01 1,2-DIBROMOETHANE (EDB) 106934 UG/KG 7 0 3.63E+00 1.70E+02 1,2-DICHLOROBENZENE 95501 UG/KG 7 0 3,90E+00 9.80E+06 1,2-DICHLOROETHANE 107062 UGIKG 7 0 3.77E+00 2.20E+03 1,2-DICHLOROPROPANE 78875 UG/KG 7 0 3.94E+00 4.70E+03 1,3-DICHLOROBENZENE 541731 UG/KG 7 0 3.91 E+00 1,4-DICHLOROBENZENE 106467 UGIKG 7 0 3,93E+00 1,20E+04 2-HEXANONE 591786 UG/KG 7 0 7.96E+00 1.40E+06 ACETONE 67641 UG/KG 10 7 3.08E+01 7,80E+01 NAF3UMP3 630E+08 ACETONITRILE 75058 UG'KG 7 1 8,10E+01 1,70E+02 NAFSUMPI 3.70E+06 ACROLEIN 107028 UGXG 7 0 7.67E+01 6.50E+02 ACRYLONITRILE 107131 UG/KG 7 0 3:83E+01 1,20E+03 ALLYL CHLORIDE 107051 UG/KG 7 0 3,63E+00 3,40E+03 BENZENE 71432 UG/KG 8 1 4.18E+00 8,00E+00 FIRESCH-1 5.40E+03 BROM ODICHLOROM ETHANE -------------- ---------- 75274 ----------------------- --- UG1KG 7 0 3.82E+00 I A0E+03 BROMOFORM 75252 UG/KG 7 0 162E+00 2,20E+05 CARBON DISULFIDE 75150 UGXG 7 0 3.92E+00 3,70E+06 CARBON TETRACHLORIDE 56235 UG/KG 7 0 3,66E+00 3,00E+03 CHLOROBENZENE 108907 UG/KG 7 0 3.60E+00 I A0E+06 CHLORODIBRO A OM ETHANE 124481 UG/KG 7 0 3,64E+00 3,30E+03 ,CHLOROFORM 67663 UGXG 7 0 3.63E+00 1,50E+03 ICHLOROPRENE 126998 UG/KG 7 0 3.80E+00 4,70E+01 PARSONS 1 of 6 May 2012 DEQ-CFW-00044351 fim, =- Summary of Surface Soil Analytical Data CA725 Ell Determination Report DuPont Fayetteville Works Fayetteville, North Carolina CIS-1,2 DICHLOROETHENE CIS-1,3-DICHLOROPROPENE 156592 10061015 UG/KG UG/KG 7 7 0 0 3.79E+00 3,59E+00 2,00E+06 DI CH LOROD I FLUOROMIE METHANE ETHYL CHLORIDE 75718 75003 UG1KG 7 7 1 0 8,08E+00 3,95E+00 3,20E+01 SWMU6-01 4,00E+05 6,10E+07 ETHYL METHACRYLATE 97632 ---U-G-i'KG UG/KG 7 0 3.96E+00 7.50E+06 ETHYLBENZENE 100414 UG/KG 7 1 1,93E+01 1.10E+02 FIRESCH-1 2.70E+04 ETHYLENE GLYCOL 107211 UG/KG 7 0 1 . I 3E+04 1,20E+09 IODOMETHAN 74884 UG/KG 7 0 3,92E+00 ISOBUTYL ALCOHOL 78831 UG/KG 7 0 1.96E+02 31 OE+08 METHACRYLONITRILE 126987 UG/KG 7 0 3,71E+01 1,80E+04 METHANOL METHYL BROMIDE 67561 74839 UG/KG UGXG 4 7 0 0 115E+03 3.96E+00 3,10E+08 120E+04 METHYLCHLORIDE74873 UG/KG 7 0 3,77E+00 5,00E+05 METHYL ETHYL KETONE 78933 UG/KG 7 0 8.56E+00 2.00E+08 METHYL ISOBUTYL KETONE 108101 UG/KG 7 0 7,89E+00 5.30E+07 METHYL METHACRYLATE 80626 UG/KG 7 0 4.30E+00 2,10E+07 METHYLENE BROMIDE 74953 UG/KG 7 0 3.64E+00 1. 1 OE+05 METHYLENE CHLORIDE 75092 UGXG 8 2 9.03E+02 710E+03 NAFSUMP1 5.30E+04 PENTACHLOROETHANE PROPIONITRILE 76017 107120 UG/KG UG/KG 7 7 0 0 3.70E+00 8,11 E+01 1 .90E+04 STYRENE TETRACHLOROETHYLENE TOLUENE TRANS- 1,2-DICHLOROETH E N E 100425 127184 108883 156605 UG/KG UG/KG UG/KG UG/KG 7 7 7 7 0 0 1 3,68E+00 3.65E+00 1,63E+01 183E+00 8.90E+01 FIRESCH-1 3.60E+07 Z60E4-03 4.50E+07 6.90E+05 TRANS- 1,3-DICHLOROPROPEN E 10061026 UG/KG 7 0 3.60E+00 TRANS- IIA-DICHLOROBUTEN E-2 110576 UG/KG 7 0 3.73E+01 150E+01 TRICHLOROETHENE 79016 UG/KG 7 0 3-59E+00 6.40E+03 TRICHLOROFLUOROMEI'HANE 75694 UG/KG 7 0 3.80E+00 3,40E+06 VINYL ACETATE 108054 UG/KG 7 0 7.78E+00 4,10E+06 VINYL CHLORIDE 75014 UG/KG 7 0 3.83E+00 1,70E+03 XYLENES ,1,214,5.-T TRACHLOROBENZENE 11,2,4-'1'RICHLOROBENZENE 11330207 95943 1120821 UG/KG UG/KG 1 UG/KG 7 1 1 1 0 0 9.21E+01 5.00E+01 1.70E+01 6.20E.+02 FIRESCH-1 2,70E+06 1.80E+05 9.90E+04 P"Schis 2 of 6 May 2012 DEQ-CFW-00044352 IFURMA Summary of Surface Soil Analytical Data CA725 El Determination Report DuPont Fayetteville Works Fayetteville, North Carolina -0 I 3,5-TRINITROBENZENE 99354 UGXG 1 0 4,00E+01 2.70E+07 1,3-DINITROBENZENE 99650 UG/KG 1 0 2,70E+01 6.20E+04 I A-DIOXANE 1239111 UGXG 7 0 1.95E+02 1,70E+04 1,4-NAPHTHOQUINONE 130154 UG/KG 1 0 9,'70E+01 I-NAPHTHYLAMINE 134327 UG/KG 1 0 3,30E+02 2,3,4,6-TETRACHLOROPHENOL 58902 UGIKG 1 0 1 30E+01 1.80E+07 2.4,5-TRICHLOROPHENOL 95954 UG/KG 1 0 2,10E+01 6.20E+07 2,4,6-TRICHLOROPHENOL 88062 UG/KG 1 0 2,10E+01 1,60E+05 2,4-DICHLOROPHENOL 120832 UG/KG 1 0 210E+01 1.80E+06 2,4-DIMETHYLPHENOL 105679 UG/KG 1 0 6.70E+01 1,20E+07 2,4-DINITROPHENOL 51285 UGXG 1 0 1,60E+02 1.20E+06 2.4-DINITROTOLUENE 121142 UGXG 1 0 2,40E+01 5.50E+03 2,6-DICHLOROPHENOL 87650 UG/KG 1 0 1,80E+01 2,6-DINITROTOLUENE 606202 UGKG 1 0 2.30E+01 6.20E+05 2-ACETYLAMINOFLUORENE 53963 UG/KG 1 0 2A0E+01 4,50E+02 2-CHLORO-P-H-E-N--O-L 95578 UG/KG 1 0 1.30E+01 5.1 OE+06 --------------- 2-METHYLNAPHTHALENE 91576 UG/KG 1 0 1,60E+01 4.1 OE+06 2-METHYLPHENOL (O-CRESOL) 95487 UG/KG 1 0 2,90E+01 3.1 OE+07 2-NAPHTHYLAMINE 91598 UG/KG 1 0 3,30E+02 9,60E+02 2-NITROANILINE 88744 UG/KG 1 0 1.90E+01 6.00E+06 2-N IT ROPHENOL 88755 UGXG 1 0 2,30E+01 2-PICOLINE 109068 UG/KG 1 0 2.00E+01 3,3'-DICHLOROBENZIDINE 91941 UG/KG 1 0 2,50E+01 3.80E+03 3.3'-DIMETHYLBENZIDINE 1 1993-7 —UG/KG 1 0 9,00E+01 1.60E+02 3-METHYLCHOLANTHRENE 56495 UG/KG 1 0 1 .50E+01 7.80E+01 3-METHYLPHENOL (M-CRESOL) 108394 UG/KG 1 0 3,80E+01 3A OE+07 3-NITROANILINE 99092 UGIKG 1 0 5.30E+01 4,6-DINITRO-2-METHYLPHENOL 534621 UG/KG 1 0 3,70E+01 4,90E+04 4-AMINOBIPHENYL 92671 UGIXG 1 0 2.40E+01 820E+01 4-BROMOPHENYL PHENYL ETHER 101553 UGXG 1 0 2,00E+01 4-CHLORO-3-METHYLPHENOL 59507 UG/KG 1 0 2,60E+01 6,20E+07 4-CHLOROANILINE 106478 UG/KG 1 0 7,80E+01 8,60E+03 V-CHLOROPHENYL PHENYL ETHER 7005723 UG/KG 1 0 2,00E+01 PAIRSONS 3 of 6 May 2012 DEQ-CFW-00044353 Table 2 Summary of Surface Soil Analytical Data CA725 El Deterrnination Report DuPont Fayetteville Works Fayetteville, North Carolina 7 777108M32 "Lop" 4-DIMETHYLAMINOAZOBENZENE 60117 UGXG 1 0 1,90E+01 3,70E+02 4--MEI-HYLPHENOL (P-CRESOL) 106445 UG/KG 1 0 3,80E+01 3A OE+06 4-Nil-ROANILINE 100016 UG/KG 1 0 6,00E+01 8,60E+04 4-NITROPHENOL 100027 UG/KG 1 0 8.80E+01 4-NITROQUINOLINE-N-OXIDE 56675 UG/KG 1 0 1,20E+02 5-NITRO-ORTHO-TOLUIDINE 99558 UG/KG 1 0 3,70E+01 1,90E+05 7,12-D I M ETHYL BE NZ(A)AN'THRACEN E 57976 UG/KG 1 0 1,80E+01 6,20E+00 ACENAPHTHENE 83329 UG/KG 1 0 1 .80E+01 130E+07 ACENAPHTHYLENE 208968 UG/KG 1 0 1 10E+01, ACETOPHENONE 98862 UG/KG 1 0 3,00E+01 1,00E+08 ADIPONITRILE 111693 UG/KG 2 2 3,86E+02 7,60E+02 NAFSUMP 20 3,60E+10 ALPHAALPHA- 122098 UG/KG 1 0 410E+02 DIM ETHYLPHENETHYLAM INE ANILINE 62533 UG/KG 1 2A0E+01 3.00E+0 ANTHRACENE 120127 UGIKG 1 0 2,50E+01 1,70E+08 ARAMITE--- 140578 UG/KG 1 0 O,00E+00 6,90E+04 BENZO(A)ANTHRACENE 56553 UGXG 1 0 230EI-01. 2A OE+03 BENZO(B)FLUORANTHENE 205992 UG/KG 1 0 2.00E -.011 2.1 OE+03 BENZO(G,H,I)PERYLENE 191242 UG/KG 1 0 1,80E+01 BENZOK)FLUORANTHENE UGXG 1 0 100E+01 2A OE+04 .207089 BENZO[A]PYRENE 50328 UG/KG 1 0 2,10E+01 2A0E+02 BENZYL ALCOHOL 100516 UG/KG 1 0 3.30E+01 6,20E+07 BIS(2-CHLORO-1-METHYLETHYL) 108601 UG/KG 1 0 1 2,20E+04 ETHER .60E+01 BIS(2-CHLOROETHOXY)M ETHANE 11191-1 UG/KG 1 0 1.80E+01 1,80E+06 BIS(2-CHLOROETHYL)ETHER 111444 UG!KG 1 0 1,60E+01 1,00E+03 BIS{2-ETHYLHEXYLPHTHALATE .117817 UG1KG 1 1 8.10E+01 8.1 OE+01 CS-1 1 20E+05 BUTYL BENZYL PHTHALATE 85687 UG/KG 1 0 2,40E+01 91 OE+05 CHLOROBENZILATE 510156 UG!KG 1 1 0 2.00E+01 1,60E+04 CHRYSENE 2,18019 UGXG 1 0 2,60E+01 2.I0E+05 DIBENZ(A,H)ANTHRACENE 53703 UG/KG 1 0 1,90E+01 21 OE+02 DIBENZOFURAN 132649 UG/KG 1 0 1 .80E+01 1,OOE+06 DIETHYL PHTHALATE 84662 UG/KG 1 0 2.40E+01 4.90E+08 6}IETHYLENE GLYCOL 111466 UG/KG 7 1 8,76E+04 3,20E+04 SWMU6-01 DIMETHYL PHTHALATE 131113 UG!KG 1 0 2.00E+01 DI-N-BUTYL PHTHALATE 84742 UG/KG 1 0 2.20E+01 6.20E+07 DIPHENYL AMINE 122394 UG/KG 1 0 — ----------- 4,IOE+01.-- It .5011+kdl PARSONS 4 of 6 May 2012 DEQ-CFW-00044354 Table 2 Summary of Surface Soil Analytical Data CA725 El Determination Report DuPont Fayetteville Works Fayetteville, North Carolina ETHYL M ETHAN ES ULFONATE 62500 UG/KG 1 0 2,90E+01 FLUORANTHENE 206440 UG/KG 1 0 2,30E+01 2,20E+07 FLUORENE 86737 UG/KG 1 0 2,00E+01 2.20E+07 HEXACHLOROBENZENE 118741 UG/KG 1 0 2,80E+01 IjOE4-03 HEXAGHLOROBUTADIENE 87683 UG/KG 1 0 1,80E+01 2,20E+04 HEXACHLOROCYCLOPENTADI ENE 77474 UG/KG 1 0 1 AOE+02 3,70E+06 HEXACHLOROETHANE 67721 UGIKG 1 0 1 .70E+01 4,30E+04 HEXACHLOROPROPYLENE 1888717 UG/KG 1 0 120E+01 INDENO (1,2,3-CD) PYRENE 193395 UG/KG 1 0 1,90E+01 2.1 OE+03 ISODRIN 465736 UGIKG 1 0 2.40E+01 ISOPHORONE 78591 UG/KG 1 0 2.30E+01 1.80E+06 ISOSAFROLE 120581 UG/KG 1 0 5,OOE+01 METHAPYRILENE 91805 UGIKG 1 0 4,00E+01 METHYL M ETHAN ES ULFONATE 66273 UG/KG 1 0 1 .90E+01 1 .70E+04 NAPHTHALENE 91203 UG/KG 1 0 1,50E+01 1,80E+04 N-DIOCTYL PHTHALATE 117840 UG/KG 1 0 1,70E+01 NITROBENZENE 98953 UGIKG l 0 2,80E+01 2.40E+04 N-NITROSO(METHYL )ETHYLAMINE 10595956 UG/KG 1 0 2,70E+01 7,80E+01 N-NITROSODIETHYLA.MINE 55185 UG/KG 1 0 4,30E+01 1,10E+01 N-NITROSODIMETHYLAMINE 62759 UGIKG 1 0 6,00E+01 140E+01 N-NITROSO-DI-N-BUTYLAMINE 924163 UG/KG 1 0 3,OOE+01 4.00E+02 N-.NITROSODI-N.-PROPYLAMINE 621647 UG/KG 1 0 2,50E+01 2.50E+02 N-NITROSODIPHENYLAMINE 86306 UGIKG 1 0 2A0E+01 3,50E+05 N-NITROSOMORPHOLINE 59892 UG/KG 1 0 7,30E+01 2,60E+02 N-NITROSOPIPERIDINE 100754 UG/KG 1 0 3,30E+01 1.80E+02 N-NITROSOPYRROLIDINE 930552 UG/KG 1 0 5,60E+01 8.20E+02 Omo'o- TRIETHYLPHOSPHOROTHIOATE 126681 UG/KG 1 0 6,50E+01 0-TOLUIDINE 95534 UG/KG 1 0 3.10E+01 PCN-2 91587 UG/KG —1 0 1.90E+01 8.20E+07 PENTACHLOROBENZENE 608935 UG/KG 1 0 2,10E+01 4.90E+05 PENTACHLORONITROBENZENE 82688 UG/KG 1 0 2,10E+01 6,60E+03 PENTACHLOROPHENOL 87865 UG/KG 1 0 2.00E+02 2.70E+03 PHENACETIN 62442 UG/KG 1 0 3,00E+01 T80E+05 PHENANTHRENE 85018 UG/KG 1 0 2.10E+01 PHENOL 108952 UG/KG j 1 0 2,40E+01 1,80E+08 PROPYLENE GLYCOL 57556 UG/KG 2 0 1,10E+04 110E+10 PYRENE 129000 UG/KG 1 0 2,60E+01 1,70E+07 PYRIDINE 110861 UGIKG I 0 5.70E+01 I.00E+06 PAPISOP96 5 of 6 May 2012 DEQ-CFW-00044355 Table 2 Summary of Surface Soil Analytical Data CA725 El Determination Report DuPont Fayetteville Works Fayetteville, North Carolina SAFROLE 94597 . .. UG/KG .... 1 0 ME 2,50E+01 7,80E+-03 TETRAE"T'HYL DITHIOPYROPHOSPHATE 3689245 UGXG 1 0 2.50E+01 3,10E+05 THIONAZIN TRIETHYLENE GLYCOL 297972 112276 UGXG UG/KG 1 7 0 1 6,60E+01 1 .06E+05 1,20E+05 SWMU6-01 PRONAMIDE 23950585 UG/KG 1 2,30E+-01 4,60E+07 DIMETHOATE ANTIMONY 60515 7440360 UG/KG UG/KG 1 3 0 1 2,60E+01 3,30E+03 5.70E+02 CS-1 1,20E +-05 410E+05 ARSENIC BARIUM 7440382 7440393 UG/KG UGXG 4 3 2 3 2,78E.+-03 8,32E+03 I . I OE+03 1,58E+04 CS-1 CIS-1 1,60E+03 1.90E+08 BERYLLIUM 7440417 UG/KG 3 1 1,68E+03 3,50E+02 CS-1 2,00E+06 CADMIUM 7440439 U /KG 4 2 1 .28E+03 3A OE+02 CS-1 8,00E+05 CHROMIUM 7440473 UG/K(.-, 13 13 9,43E+03 1,46E+04 NAFSUMP3 COBALT COPPER 7440484 7440508 UG1KG UGXG 1 2 1 2 3,40E+03 3.51E+03 140E+03 4,40E+03 CS-1 CS-1 3,00E+05 4,10E+07 IRON 7439896 UG/KG 10 10 6,07E.*06 1.00E+07 NAFSUMP3 7.20E+08 LEAD 7439921 UG/KG 15 15 4,86E+03 7,30E+03 FIRESCH-1 8.00E+05 --------------- - - - -------------- - --- MERCURY 7439976 UG/KG 15 8 5,59E+01 3,98E+01 BGS-02 4,30E+04 MOLYBDENUM 7439987 UG/KG 1 1 1,07E+03 1,07E+03 BORROW AREA 5 1 OE+06 NICKEL 7440020 UGXG 15 15 2,59E+03 5,64E+03 NAFSUMP1 2,00E+07 SELENIUM 7782492 UGXG 4 1 5.95E+03 I ,94E+02 BORROWAREA5,10E+06 SILVER 7440224 U6ik6- 3 0 1 ,62E+03 5,10E+06 THALLIUM 7440280 UG1KG 1 1 2,30E-+03 2.30E+03 CS-1 I ,OOE+04 VANADIUM 7440622 UG/KG 1 1 2,25E+04 2,25E+04 CS-1 ZINC 7440666 UG/KG 2 2 9,70E+03 1,24E+04 BORROW AREA 3,10E+08 CHLORIDE 16887006 UG/KG 6 4 1,04E+04 3.60E+04 SWMU6-()1 DIALLATE (CIS ISOMER EVS0487 UG/KG 1 0 3.10E+01 DIALLATE (TRANS ISOMER) EVS0488 UGXG 1 0 1.50E+01 FLUORIDE 16984488 UG/KG 6 4 9,54E+04 4,56E+05 NAFSUMP1 4A0E+07 TPH EVS01 33 UG/KG 8 2 7,71 E+05 I SCH-1 TPH-DIESEL IEVS0046 I qgLtKG j.. 2 j I 3�.I0E+06 6,20E+06 I FIRESCH-1 P"roorarm 6 of 6 May 2012 DEQ-CFW-00044356 Table 3 DuPontSummary of Subsurface Soil Analytical Data CA725 El Determination Report Fayetteville Works Fayetteville, North Carolina Table 3 Summary of Subsurface Soil Analytical Data CA725 El Determination Report DuPont Fayetteville Works Fayetteville, North Carolina M 2-2 ETHYL METHACRYLATE ETHYLBENZENE 97632 100414 UG/KG UG/KG 20 31 0 0 1.22E+00 2.11 E+00 7,50E+06 2.70E+04 ETHYLENE GLYCOL IODOMETHANE 107211 74884 UG/KG UG/KG 29 20 5 0 1,19E+04 3,30E+00 2,10E+04 SWM U&-1 1,20E+09 ISOBUTYL ALCOHOL. METHACRYLONITRILE 78831 -- �26987 UG/KG UG/KG 20 - 20 - 0 - 0 1.14E+02 7,65E+00 110E+08 1,80E+04 METHANOL 67561 UG/KG 31 3 1.30E+03 4.10E+03 SWMU6-06 3.10E+08 METHYL BROMIDE 74839 UGXG 20 0 3,30E + 00 3,20E+04 METHYL CHLORIDE METHYL ETHYL KETONE METHYL ISOBUTYL KETONE 74873 78933 108101 UG/KG UG/KG UG/KG 20 20 20 0 0 0 230E+00 7.65E+00 3,55E+00 5-00E+05 2.00E+08 5.30E+07 METHYL METHACRYLATE METHYLENE BROMIDE 80626 74953 UG/KG UG/KG 20 20 0 0 1,22E+00 1 22E+00 2.1 OE+07 1,10E+05 METHYLENE CHLORIDE 75092 UG/KG 21 3 3,07E+02 6,30E+03 SWMU6-03 5.30E+04 PENTACHLOROETHANE 76017 UG/KG 20 0 1,22E+00 1.90E+04 PROPIONITRILE 107120 UGXG 20 0 3. 5 4 E+01 STYRENE TETRACHLOROETHYLENE 100425 --12-7184 UG/KG -'UG/KG 20 2-0 0 -0 1.22E+00 1,22E+00 3.60E+07 2.60E+03 TOLUENE 108883 UG/KG 31 0 211 E+00 4.50E+07 TRANS- 1.2-DICH LOROETH ENE 156605 UG/KG 20 0 2,30E+00 6.90E+05 TRANS-1,3-DICHLOROPROPENE TRANS- 1,4-D ICH LOROBLITEN E-2 10061026 110576 UG/KG UGXG 20 20 0 0 1,22E+00 1,26E+01 3.50E+01 TRICHLORCETHENE 79016 UG/KG 20 0 1,22E+00 6,40E+03 TRICHLOROFLUOROMETHANE 75694 UG/KG 20 1 2,45E+00 5.00E+00 SWMU9AB-03 3.40E+06 VINYL ACETATE 108054 UG/KG 20 0 155E-t-00 4.1 OE+06 VINYL CHLORIDE 75014 UGjKG 20 0 2,30E+00 170E+03 XYLENES -T3-30207 UG,KG 3' 0 211 E+00 2.70E+06 1,4-DIOXANE 123911 UG/KG 20 0 8319E+01 1,70E+04 1-MET'HYLNAPHTHALENE 2-METHYLNAPHTHALENE 90120 91576 UG/KG UG/KG 2 2 0 0 3,65E+01 3,65E+01 9.90E+04 4.1 OE+06 ACENAPHTHENE 83329 UG/KG 2 1 4,10E+01 4.50E+01 5WMU06-0IA 3.30E+07 1ACENAPHTHYLENE 208968 UG/KG 2 0 3,65E+O"i ADIPONITRIL.E 111693 j UG/KG 2 .......... 1 2 -65TE+01 1,30E+02 NAFSUMP 20 3.6:0:EE+1 Od PARSONS 2 of 3 May 2012 DEQ-CFW-00044358 Table 3 Summary of Subsurface Soil Analytical Data CA725 El Determination Report DuPont Fayetteville Works Fayetteville, North Carolina ANTHRACENE 120127 UG/KG 2 1 5,40E+01 7.10E+01 SWMU06-01A 1.70E+08 BENZO(A)ANTHRACENE 56553 UG/KG 2 2 1.51E+02 2,10E+02 SWMU06-01A 2.10E+03 BENZO(B)FLUORANTHENE 205992 UG/KG 2 2 1,16E+02 1:60E+02 SWMU06-01A 2:10E+03 BENZO(G,H,I)PERYLENE 191242 UG/KG 2 0 3.65E+01 BENZO(K)FLUORANTHENE 207089 UG/KG 2 1 4.60E+01 5.50E+01 SWMU06-01A 2.10E+04 __.... BENZO[A]PYRENE .................... ....... 50328 UG/KG 2 2 6.85E+01 9.10E+01 SWMU06-01A 2.10E+02 CHRYSENE 218019 UG/KG 2 2 1.69E+02 2.50E+02 SWMU06-01A 2.10E+05 DIBENZ(A,H)ANTHRACENE 53703 UG/KG 2 0 3.65E+01 2:10E+02 METHYLENE GLYCOL 111466 UG/KG 29 10 1,97E+04 4.50E+04 SWMU6-04 FLUORANTHE'NE 206440 UG/KG 2 2 720E+02 9.90E+02 Sty° MU06-01A 2.20E+07 FLUORENE 86737 UG/KG 2 2 5.35E+01 6.80E+01 SWMU06-01A 220E+07 INDENO (1,2,3-CD) PYRENE 193395 UGXG 2 0 3.65E+01 2.10E+03 NAPHTHALENE 91203 UG/KG 2 0 3.65E+01 1:80E+04 PHENANTHRENE 85018 UG/KG 2 2 3.05E+02 4.00E+02 SWMU06-0'1A PROPYLENE GLYCOL 57556 UG/KG 28 0 1.13E+04 1:20E+10 PYRENE 129000 UG/KG 2 2 6.00E+02 8:00E+02 SWMU06-01A 1.70E+07 TRIETHYLENE GLYCOL 112276 UG/KG 29 7 6.30E+04 9:90E+04 SWMU6-02 CHROMIUM 7440473 UG/KG 29 29 1.10E+04 3.00E�+-04 SWMU9AB-02 IRON 7439896 UG/KG 29 29 6,60E+06 2.32E+07 SWMU9AB-02 7:20E+08 LEAD 7439921 UG 14G 33 33 4.96E+03 8.70E+03 AOC-C-02 8.00E+05 MERCURY 7439976 UG/KG 29 22 2.38E+01 428E+01 BGS-01 4.30E+04 NICKEL 7440020 UG/KG 29 29 2.34E+03 028E+03 SWMU9AB-02 2.00E+07 CHLORIDE 16887006 UG/KG 20 17 7.99E+04 1,04E+06 SWMU6-03 FLU € RIDE 16984488 UG/KG 20 15 6.18E+04 4.96E+05 SWMU6-03 4.10E+07 TPH EVS0133 UG/KG 45 17 6.03E+05 1.66E+07 FIRESCH-1 TPFi-iJ1ESEL EVS0046 UG/KG 1 30 5 7.01E+05 1.10E+07 FIRESCH-1 PARSONS 3 of 3 May 2012 DEQ-CFW 00044359 k0olrx-P-1 Summary of Groundwater Analytical Data CA725 El Determination Report DuPont Fayetteville Works Fayetteville, North Carolina BONN& T ;. APFO 3825261 UG/L 157 108 6.24E+00 7.65E+02 LTW-04 APFO (Trial) EVS0275 UGIL 153 108 6,40E+00 7.65E+02 NAF-07 PFOA 335671 UGIL 157 108 5,99E+00 7.35E+02 SMW-05 2,OOE+00 PFOA(TRIAL) EVS0489 UGIL 136 94 6.85E+00 7.35E+02 SMW-05 11 1, 1, 2-TETRACH LO ROET HAN E 630206 UG/L 90 0 7,73E-01 5.00E-01 1,11 .1-TRICHLOROETHANE 71556 UG/L 90 2 6.96E-01 1.00E+00 SWrAU6-NAF-03 2,00E+02 1,1,2,2-TETRACHLOROETHANE 79345 UG/L 90 0 8,41E-01 2.00E-01 1,1.2-TRICHLOROETHANE 79005 UG/L 90 0 7,71 E-0 1 6,00E-01 1,1-DICHLOROETHANE 75343 UG/L 90 5 8,49E-01 270E-01 PZ-04 6,00E+00 IJ-DICHLOROETHENE 75354 UG/L 90 5 8,53E-01 9. 1 OE+00 NAF-08B 7,00E +00 1 .2.3-TRICHLOROPROPANE 96184 UG/L 90 0 7,97E-01 5.00E-03 1,2,4-TRIMETHYLBENZENE 95636 UG/L 7 0 1.00E+00 4.00E+02 1,2-DIBROMO-3-CHLOROPROPANE 96128 UGIL 90 0 1,22E+00 4.00E-02 1.2-DIBROMOETHANE (EDB) 106934 UG/L 90 0 7,78E-01 2.00&02 1,2-DICHLOROBENZENE 95501 UG/L 89 8 9,37E-01 1,30E+01 NAF-08B 2,OOE+01 1,2-DICHLOROETHANE 107062 UG"L 90 19 9,59E-01 4.70E+00 NAF-08A 4.010E-01 1.2-DICHLOROPROPANE 78875 UGIL 90 1 T78E-01 1,00E+00 SWMU6-NAF-03 6,00E-01 1,3,5-TRIMETHYLBENZENE 708678 UG/L 7 0 1.00E+00 4-.00E+02 1,3-DICHLOROBENZENE 541731 UG/L 89 2 1.16E+00 310E+01 — — - ------- NAF-08B 2.00E+02 1,4-DICHLOROBENZENE 106467 UGIL 87 11 1,13E+00 3,00E+01 NAF-08B 6,00E+00 2-HEXANONE 591786 UG/L 90 i 2,81E+00 1,30E+00 NAF-01 4.00E+01 ACETONE 67641 UGIL 79 15 8,36E+00 1,40E+02 SWMU6-03 6.00E+03 ACETONITRILE 75058 UG/L 90 2 3,87E+01 2,40E+03 SWMU6-03 1,30E+02 ACROLEIN 107028 UG/L 89 0 1,90E+01 4,00E+00 ---------- — ----- ACRYLONITRILE 107131 UG1 90 0 5,22E+00 4.50E-02 ALLYL CHLORIDE 107051 UGIL 90 0 7,82E-01 6,30E-01 BENZENE 71432 UG/L 97 1 622E-01 2A0E+00 NAF-08B 1 .00E+00 BROMODICHLOROM ETHANE 75274 UG/L 90 5 7.81E-01 1,50E+00 NAF-02 6,00E-01 ------------ BROMOFORM -------- - ---- 75252 UG/L 90 2 8,50E-01 5.00E+00 NIVYL I I 4.00E+00 CARBON DISULFIDE 75150 UGIL 90 13 1:14E+00 1,00E+01 NAF-08B 7,00E+02 CARBON TETRACHLORIDE 56235 UGJL 90 3 8,46E -0 1 6,70E+00 NAF-08B 300&01 CHLOROBENZENE 108907 UG/L 90 3 7,99E-01 8.90E+00 NAF-088 5,00E+01 IICH LORODI B ROMOM ETHANE 124481 UGIL 90 3 8,68E-01 1,60E+00 MW-1 1 4.00E-01 [CHLOROFORM 67663 UG/L 89 43 1 32E+00 --T 1.10E4-01 I 7.00E+01 PARSONS I of 6 May 2012 DEQ-CFW-00044360 Table 4A Summary of Groundwater Analytical Data CA725 El Determination Report DuPont Fayetteville Works Fayetteville, North Carolina ...... .. . ..... g CHLOROPRENE 126998 UGIL 90 1 9.22E-01 6.30E+00 NAF-086 1,60E-02 CIS-1.2 DICHLOROETHENE 156592 UG/L 90 2 8,13E-01 1,30E+00 NAF-05A 7,00E+01 CIS -1,3-DICHLOROPROPEN E 10061015 UG/L 90 0 7,84E-01 CUMENE 98828 UG/L 7 0 1 .00E+00 7.00E+01 DICHLORODIFLUOROMETHANE 75718 UG/L 90 10 2.00E+00 3,30E+01 NAF-08B I .00E+03 ETHANE 74840 UGIL 19 0 4,77E-01 ETHENE 74851 UG/L 19 6 1. 1 5E+00 1.00E+011 PZ-04 ETHYL CHLORIDE 75-003 UGIL 90 0 9,42E-01 3,00E+03 ETHYL METHACRYLATE 97632 UGIL 90 3 2-56E+00 2.90E+00 NAF-086 4,20E+02 ETHYLBENZENE 100414 UG/L 97 1 9,36E-01 1,40E+01 NAF-08B 6,00E+02 ETHYLENE GLYCOL 107211 UG/L 12 0 2.25E+04 1,00E+04 IODOMETHANE 74884 UGIL 90 4 7.61 E-01 4.20E-01 PZ-04 ISOBUTYL ALCOHOL 78831 UG/L 90 3 5.82E+01 1,50E+01 NAF-02 4.60E+03 META --AND PARA-XYLENE EVS0253 UGIL 40 2 1.39E+00 3,50E+01 NAF-08B METHACRYLONITRILE 126987 UGIL 90 0 7.63E+00 7,50E-01 METHANE 74828 UG/L 19 16 5.93E+01 2.80P+02 NAF-08A METHANOL 67561 UG/L 86 3 1.17E+04 7,70E+04 SWMU-6-03 4.00r-+03 METHYL BROMIDE 74839 UG/L 90 0 9,46E-01 1,00E+01 METHYL CHLORIDE 74873 UGIL 89 0 9.53E-01 3.00E+00 -------------------------------- METHYLETHYLKETONE 78933 UG/L 89 1 232E+00 5.00E+00 NAF2P 4,00E+03 METHYL ISOBUTYL KETONE 108101 UG/L 90 1 2.76E+00 8,80E-01 NAF-01 1,00E+02 METHYL METHACRYLATE 80626 UGIL 90 0 2.72E+00 2.50E+01 METHYLENE BROMIDE 74953 UG/L 90 2 7,82E-01 2.50E-01 NAF--04 7.00E+01 METHYLENE CHLORIDE 75092 UG/L 76 24 7.48E+02 2.90E+04 SWMU6-03 5,00E+00 ORTHO-XYLENE 95476 UG/L 63 8 4,44E-01 6,40E+00 NAP-08B 1.90E+02 PEN TACHLOROETHANE 76017 UG/L 90 0 7.89E-01 5,60E-01 PROPANE 74986 UG/L 19 0 4,78E-01 PROPIONfTRILE 107120 UG/L 90 0 2.65E+01 STYRENE 100425 UG/L 90 1 8,36E-01 5,60E+00 NAF-08B 7,00E+01 TETRACHLOROETHYLENE 127184 UG/L 90 9 1.52E+00 5.50E+01 NAF-08B 7,00E-01 TOLUENE 108883 UG/L 80 20 9,21E-01 8.10E+00 NAF-08B 6.00E+02 TRANS-1,2 DICHLOROETHENE 156605 UG/L 90 19 8,52E-01 8,00E+00 NAF-08B 1 :OOE+02 TRANS-13-DICHLOROPROPENE 10061026 UG/L 90 0 7.82E-01 TRANS-1,4-DICHLOROBUTENE-2 110576 U G1 90 0 1.64E+01 1.2.0t-.0.3 PAAMSONS 2 of 6 May 2012 DEQ-CFW-00044361 Table 4A Summary of Groundwater Analytical Data CA725 El Determination Report DuPont Fayetteville Works Fayetteville, North Carolina TRICHLOROETHENE 79016 .. UGIL .......... .. ....... .... . 90 18 9.84E-01 1,50E+01 NAF-08B 3,00E+00 TRICHLOR(OFLUOROMETHANE 75694 UGIL 90 1 1,34E+00 1,70E+01 NAF-08B 2,00E+03 VINYL ACETATE 108054 UGIL 90 0 1,54E+00 8.80E+01 VINYL CHLORIDE XYLENES 1,2,4,5-TE'TRACHLOROSENZENE 76014 1330207 95943 UG/L UG/L UG,L 90 67 69 1 2 0 8.65E-01 1,45E+00 6,56E+00 2.20E-01 NAF-05A 4A0E+01 NAF-08B 3,00E-02 5,00E+02 2.00E+00 1.2,4-TRICHLOROBENZENE 1,3,5-TRINITROBENZENE 1,3-DINITROBENZENE 120821 99354 99650 UGIL UGIL UG/L 69 69 69 0 0 0 5,98E+00 7,32E+00 6,27E+00 7.00E+01 4.60E+02 1 .50E+00 1,4-DIOXANE 1,4-NAPHTHOQUINONE 123911 130154 UGIL UG!L 88 56 3 0 3,97E+01 7.69E+00 2,00E+00 NAF2 100E+00 1-METHYLNAPHTHALENE 90120 UGIL 7 0 4,00E+00 1,00E+00 1-NAPHTHYLAMINE 1,34327 UG/L 49 0 &81E+00 2,3,4,6-TETRACHLOROPHENOL 2,4,5-TRICHLOROPHENOL 58902 95954 UGIL UG/L 69 69 0 0 6,22E+00 5,94E+00 2,00E+02 6,30E+01 2,4,6-TRICHLOROPHENOL 2,4-DICHLOROPHENOL 88062 120832 UGIL UG/L 69 69 0 0 5,93E+00 5.97E+00 4.00E+00 9.80E--01 2,4-DIMETHYLPHENOL 105679 UG/L 69 0 6.09E+00 1,00E+02 2,4-DINITROPHENOL 2,4-DINITROTOLUENE 51285 121142 UG/L UG/L 69 69 0 0 1,81E+01 5.93E+00 100E.+01 1.00E-01 2,6-DICHLOROPHENOL 2,6-DINITROTOLUEN,E 87650 606202 UG/L UG/L 69 69 0 0 6.23E+00 5.93E+00 1,50E+01 2-ACETYLAMINOFLUORENE 53963 UG/L 69 0 6,22E+00 1,40E-02 2-CHLOROPHENOL 95578 UGIL 69 0 5.94E+00 --4,0E-01 2-METHYLNAPHTHALENE 91576 UGIL 76 0 5,77E+00 3,00E4-01 2-METHYLPHENOL (0-CRE3OL) 95487 UGIL 69 0 5,99E+00 4,00E+02 2-NAPHTHYLAMINE 91598 UG/L 38 0 5,54E+00 3,30E-02 2-NITROANILINE 2-NITROPHENOL 88744 88755 UG/L UG/L 69 69 0 0 1,12E+01 5:93E+00 1.50E+02 2-PICOLINE 109068 UG,L 68 0 6,54E+00 3,3'-DICHL.OROBENZIDINE 91941 UG/L 69 0 5,95E+00 1.10E-01 3,3'-DIMETHYLBENZI DINE 119937 UG/L 49 0 &40E+00 5,60E-03 3-METHYLCHOLANTHRENE 56495 UG1 69 0 6,24E+00 9,80E-04 3-METHYLPHENOL (M-CRESOL) 108394 UGIL 53 0 1.40E+01 4,00E+02 3-NITROANILINE 99092 UGIL 69 0 1,14E+01 PARSONS 3 of 6 May 2012 DEQ-CFW-00044362 Table 4A Summary of Groundwater Analytical Data CA725 El Determination Report DuPont Fayetteville Works Fayetteville, North Carolina .. ...... ... ..... ..... U." . . ...... L2 4,6-DINITRO-2-METHYLPHENOL 534521 UGIL 69 0 1 .28E+01 1,20E+00 4-AMINOBIPHENYl- 92671 UG/L 53 0 5.05E+00 2,60E-03 4-BROMOPHENYL PHENYL ETHER 101553 UG/L 69 0 5.94E+00 4-CHL.ORO-3-METHYLPI-iENOL 59507 UG/L 69 0 5.99E+00 1.10E+03 4-CHLOROANILINE 106478 UGIL 69 0 6.22E+00 120E-01 4-CHLOROPHENYL PHENYL ETHER 7005723 UGI 69 0 5,94E4.00 4-DlMETHYLAkIlNOAZOBENZENE 60117 UGI 69 0 6,27E+00 4.30&03 4-METHYLPHEN.O.L.."P-CRESOL} 156445 UGI 69 0 1,15E+01 4,00E+01 4-NiTROANILINE 100016 UGI 69 0 1.14E+01 3.30E+00 4-NITROPHENOL 100027 UGIL 69 0 1.54E+01 4-NITROQUINOLINE-N-OXIDE 56575 UGIL 67 0 1.08E+01 5-NITRO-ORTHO-TOLUIDINE 99558 UGIL 69 0 6,45E+00 7.00E+00 7,12- 57976 UGIL 69 0 6.25E+00 8.60E-05 ACENAPHTHENE 83329 UG/L 76 0 57GE+00 8.00E+01 ACENAPHTHYLENE 208968 UG/L 76 0 5,74E+00 2.00E+02 ACETOPHENONE 98862 UGIL 69 0 6,21 E+00 1,50E+03 ALPHA,ALPHA- 122098 UG/L 20 0 1,58E+01 ANILINE 62533 UGIL 68 0 6.01E+00 1.20E+01 ANTHRACENE 120127 UGIL 76 1 5.76E+00 1,30E+00 NAF-06 2,00E+03 ARAMITE 140578 UGIL 69 0 *00 2.70E+00 BENZO(AANTHRACENE 56553 UGIL 76 1 5.77E+00 1,40E+00 NAF-06 5,00E-02 BENZO(B)FLUORANTH ENE 205992 UGIL 76 1 5,77E+00 1.30E+00 NAF-06 5.00E-02 BENZOJG,H,I)PERYLENE 191242 UGIL 76 1 5.77E+00 1,40E+00 NAF-06 2,OOE+02 BENZO(K)FLUORANTHENE 207089 UGIL 76 1 5,80E+00 1.50E+00 NAF--06 5.00&01 BENZO[AIPYRENE 50328 UG/L 76 w 1 5,76E+00 1,20E+00 NAF-06 5.00&03 BENZYL ALCOHOL 100516 UGIL 69 2 7.44E+00 1.50E+01 NAF2 7.00E+02 BIS(2-CHLORO-1-METHYLETHYL) 108601 UGIL 67 0 5,82E+00 3,10E-01 BIS(2-CHLOROETHOXY)METHANE 111911 UGI 69 0 5,94E+00 4.70E+01 BIS(2-CHLORCETHYLIETHER 111444 UGI 69 0 5.94E+00 3.00E-02 BIS'2-ETHYLHEXYL)PHTHALATE 117817 UGI 25 8 5,08E+00 2,30E+01 --------- ---- SMIU6.-PZ-02 3,00E*00 BUTYL BENZYL PHTHALATE 85687 UGI 69 6.33E+00 2.00E+01 NAF-05A I .00E+03 CHLOROBENZILATE 510156 UG/L 69 -2 0 6.79E+00 2.70E-01 CHRYSENE 218019 UGIL 76 2 5,78E+00 1.70E+00 NAF-06 5,00E+00 DIALLATE 2303164 UGIL 16 0 2.31 E+00 4,60E-01 IBE Z(A,H)ANTHRACENE 53703 UG/L 76 1 5,76E+00 1,50E+00 NAF-06 5.00E-03 DIBENZOFURAN 132649 UGiL 69 0 5,94E+00 2.80E+01 DIETHYL PHTHALATE 84662 UG/L 69 1 6,17E+00 9,00E-01 NAF-06 6,60E+03 DiETHYLENE GLYCOL 111466 UG/L 12 4 2,48E+04 2,60E+04 MW-Ois PARSONS 4 of 6 May 2012 DEQ-CFW-00044363 Table 4A Summary of Groundwater Analytical Data CA725 El Determination Report DuPont Favetteville Works Fayetteville, North Carolina M2,19 "'d DIMETHYL PHTHALATE 131113 UGIL 69 0 6.16E+00 DI-N-BUTYL PHTHALATE 84742 UGIL 69 3 6,19E+00 4,00E+00 SWMU6-PZ-02 7.00E+02 DIPHENYL AMINE 122394 UGIL 52 1 7,14E+00 1,20E+00 NAF-06 2,40 E+02 ETHYL M ETHAN ESULFONATE 62500 UG/L 69 0 6,23E+00 FLUORANTHENE 20b4-40 —UG/L 76 1 5,75E+00 1,10E+00 NAF-06 3,00E+02 FLUORENE 86737 UGIL 76 0 5,76E+00 3,00E+02 HEXACHLOROBENZENE 118741 UG/L 69 0 5,98E+00 2,00E-02 HEXACHLOROBUTADIENE 87683 UG/L 69 0 5,97E+00 4,00E-01 HEXACHLOROCYCLOPENTADIENE 77474 UG/L 66 0 8.40E+00 2.20E+01 HEXACHLOROETHANE 67721 UG/L 69 0 5,94E+00 7,90E-01 HEXACHLOROPROPYLENE 1888717 UG/L 69 0 6.37E+00 INDENO (1,2,3-CD) PYRENE 193395 UGIL 76 1 5J5E+00 1 .30E+00 NAF-06 5,00E-02 ISODRIN 465736 UG/L 67 0 5.89E+00 ISOPHORONE 78591 UGIL 69 0 --7-94E+00 4.00E+01 ISOSAFROLE 120581 UG/L 69 0 5.97E+00 NIETHAPYRILENE 91805 UG/L 65 0 6,58E+00 METHYL METHANESULFONATE 66273 UG/L 69 0 6,00E+00 6,80E-01 NAPHTHALENE 91203 UG/L 76 3 5,53E+00 1,00E+00 NAF2 6,00E+00 N-DIOCTYL PHTHALATE 117840 UG/L 69 1 6.2IE4,00 1,30E+00 I,00E+02 NITROBENZENE 98953 UG/L 69 0 6.01 E+00 —NAF-06 1 .20E-01 N-NITROSOWETHYL.)ETHYLAIVIINE 10595956 UG/L 69 0 6.89E+00 3,00E-03 N-NITROSODIETHYLAMlNE 55185 UGIL 69 0 628E+00 1,40E-04 N-NITROSODIMETHYLAMINE 62759 UGIL 69 0 6.18E+00 7.00E-04 N-NITROSO-DI-N-BUTYLANIINE 924163 UGI 69 0 6.27E+00 2,40E-03 N-NITROSODI-N-PROPYLAMINE 621647 UG/L 69 0 5.97E+00 9,30E-03 N-NiTROSODIPHENYL-AMINE 86306 UGIL. 69 1 6.21 E+00 1,20E+00 NAF-06 1,00E+01 N-NITROSOMORPHOLINE 59892 UGIL 69 0 6,34E+00 1750E-02 N-NITROSOPIPERIDINE 100754 UG/L 69 0 6,22E+00 7.1 OE-03 N-NITROSOPYRROLIDINE 930552 UGIL 69 0 6.22E+00 3,20E-02 0.0,0- 126681 UGIL 69 0 6,26E+00 0-TOLUIDINE 95534 UG/L 69 0 6.07E+00 PARA-PFIENYLENEDIAMINE 106503 UG/L 7 0 7,44E4-01 3,00E+03 PCN-2 91587 UG/L 69 0 5,95E+00 5.50E+02 PENTACHLOROBENZENE 608935 UG/L 69 0 6.20E+00 2,30E+00 PENTACHLORONITROBENZENE 82688 UG/L 69 0 628E+00 1.00E-01 PENTACHLOROPHENOL 87865 UG/L 69 0 1.22E+01 I00E-01 PHENACETIN 62442 UG/L 69 0 6,24E,00 3.00E+01 PHENANTHRENE 65018 UGiL1 76 1 5,76E+00 I,00E+00 NAF-06 2,00E+02 PHENOL 68-- 4 5.86E+00 2,00E+00 NAF2 3,00E+01 PAILASCMIS 5 of 6 May 2012 DEQ-CFW-00044364 Table 4A Summary of Groundwater Analytical Data CA725 El Determination Report DuPont Fayetteville Works Fayetteville. North Carolina PROPYLENE GLYCOL 57556 UG1 12 0 2,25E+04 3A0E+05 PYRENE 129000 UGIL 76 1 5,80E+00 1,20E+00 NAF-06 2.00E+02 PYRIDINE 110861 UGIL 68 0 6,29E+00 1,50E+01 SAFROLE 94597 LJG/L 69 0 628E+00 6.20E-02 I'ETRAETHYL 3689245 UG/L 69 0 6,04E+00 5,30E+00 THIONAZIN 297972 UGIL 69 0 6,23E+00 TRIETHYLENE GLYCOL 112276 UGIL 12 1 4,73E+04 6,80E+04 MW-01S PRONAMIDE 23950585 UGIL 69 0 5,94E+00 9.00E+02 DIMETHOATE 60515 UGIL 67 0 6.45E+00 3.10E+00 CALCIUM 7440702 UG,L 20 20 2,71 E+03 1 TD-5E + 0-4 NAF-07 CHROMIUM 7440473 UGIL 19 13 5,98E+02 1,08E+04 SWMU6-03 1,00E+01 IRON 7439896 UG/L 27 27 5,78E+04 1,44E+06 SVVMU6-03 3.00E+02 LEAD 7439921 UGA. 23 15 5,91 E+01 3.91 E+02 SWMU6-03 1,50E+01 MAGNESIUM 7439954 UGIL 20 20 1,61 E+03 2.73E+03 NAF-08B MANGANESE 7439965 UGIL 20 20 1,09E+02 4.84E.+02 LTW-04 5,00E+01 MERCURY 7439976 UG/L 8 6-- -2,87E--01 - 1,00E+00 NICKEL 7440020 UGIL 19 13 1,38E+02 2.29E+03 SWIVIU6-03 1.00E+02 POTASSIUM 7440097 UGIL 20 20 7,82E+04 3.90E+05 NAF-02 SODIUM 7440235 UGIL 20 20 1 34E+04 2.93E+04 NAF-01 ALKALINITY. BICARB. AS CAC03 AT EVS0036 UGIL 13 5 4,78E+04 236E+05 NAF-02 AMMONIA 7664417--UG,L 19 4 2A 1 E+02 1,08E+03 NAF-02 1,50E+0,3 CHLORIDE 16887006 UGIL 72 70 1.53E+05 Fj.7TE+C,6 SWMU6-03 2,50E+06 DIALLATE (CIS ISOMER) EVS0487 UGIL 53 0 7,16E+00 DIALLATE (TRANS ISOMER EVS0488 UG/L 53 0 7,12E+00 FLUORIDE 16984488 UGIL 76 39 1,91 E+04 4,70E+05 SWMU6-03 2,00E+03 NITRATE 14797558 UGIL 20 11 1,42E+03 6.41 E+03 NAF-07 1.00E+04 NITRATE/NITRiTE NITROGEN C005 UGIL. 7 5 4.19E+03 1.25E+04 NITRITE 14797650 UGIL 20 0 5,00E+01 1,OOE+03 OIL AND GREASE C007 UGIL 1 1 3,30E+03 3,30E+03 DC-01 PHOSPHORUS 7723140 UGIL 20 19 1,18E+02 2,04E+02 NAF-02 WE-01 SULFATE 14808798 UGIL 18 18 4Z6E+04 2.04E+05 -3, 2,50E+05 SULFIDE 18496258 UGIL 1 0 1,010E+03 ---- -------- -NAF-06 TOTAL DISSOLVED SOLIDS Colo UGIL 7 7 1,14E+05 I ,90E+05 MW-05D 5.00E+05 TOTAL ORGANIC CARBON C012 UG/ L. 20 11 5.85E+03 1.13E+04 TOTAL SUSPENDED SOLIDS C009 ' UGIL 1 1 1,09E+05 1,09E+05 -NAF-02 DG-01 PH EVS0133 UGIL 8 4 3,20E+02 6,80E+02 MW-12S TPH-DRO EVS00046 UG/L 4 0 2,50E+02 I DISSOLVED OXYGEN (FIELD) EVS0123 UGIL 1 1 9,30E+02 9.30E+02 NAF-05A BIS(2-CHLOROISOPROPY.L)ETHER 39638329 UG"L 2 0 1,00E+01 PAUMSONS 6of6 May 2012 DEQ-CFW-00044365 LabAnalyte 1,1,1,2-TETRACHLOROETHANE 1,1,1-TRICHLOROETHANE 1,1,2,2-TETRACHLOROETHANE 1,1.2-TRICHLOROETHANE 1,1-DICHLOROETHANE 1,1-DICHLOROETHENE 1,1-DICHLOROETHYLENE Unite UG/L UGIL UG/L LlGil- UGIL UGIL UG/L Total (T)f Diss. (I;)) T T T T T' T T USEPA VISL Calculator Commercial, 16 NVT 14 23 33 820 820 Table 4B Summary of Groundwater Analytical Results Compared to Commercial Indoor Air Screening Levels CA725 EI Determination Report DuPont Fayetteu€ le Works Fayetteville, North Carolina Location NAF-01 NAF-02 NAF-02 NAF-03 NAF-04 NAF-05A NAF-06 NAF-06 NAF-07 NAF-08A Date 2/1106 211 06 2i1105 11215 0f3 211106 10/1?9I06V31106 1 31106 1131106 1/31/06 Top (ft) 0 0 0 0 0 0 0 0 0 0 Bottom (ft) 0 0 0 0 0 0 0 0 0 0 Duplicate FS FS DUP FS FS FS FS DUP FS FS <0.5 <0.5 <0.5 <0,5 <0,5 <0.055 <0.5 <0,5 <0.6 <0,5 <0.5 <0,5 ' <0.5 <0,5 <0.5 <0,012 <05 <0,5 <0,5 <0,5 <0,5 <0,5 <0.5 <0.5 <0.5 <0.011 <0,5 <0.5 <0.5 <•0,5 <0.5 <0,5 <0,5 <0,5 <0.5 <0,015 <0,5 <0.5 <0,5 <0,5 <0.5 <0.5 <0,5 0,092 J <0.5 <0,088 <0.5 <0:5 <0.5 <0.5 <0,5 <0,5 <10.5 <0,5 <0,5 <0,086 <05 <0.5 <0,5 <0,5 NAF-086 211106 0 0 FS <0,5 <0,5 <0.5 <0,5 <0,5 <0.5 NAF-099 211,106 0 0 FS <0,5 <0,5 --0,5 <0,5 <0.5 <0,5 NAF-10 211106 0 0 FS <0.5 <0,5 <0.5 <0.5 <0,5 <0,5 NAF-11A 1126106 0 0 FS <0,5 <0,5 <0.5 <0.5 <0.5 <0.5 NAF-11 B 715105 0 05 FS <0,055 <0,012 <0:011 <0.015 <0.088 <0,086 PZ-03 6129f05 0 0 FS PZ-03 10118/05 0 0 FS <0.5 <0,5 <0,5 <3.5 <0.5 <0.5 PZ-0 211i06 0 0 FS. <0.5 <0,5 <0.5 <0:5 0,2 J <0,5 1,2.3-TRICHLOROPROPANE UGtL T 94 <0.5 <0,5 <0.5 <0,5. <0,5 <0,17 <0.5 <0.5 <0.5 <0,5 <0,5 <0,5 <0,5 <0,5 <0,17 <'3.5 <0,5 1,2,4-TRIMETHYLBENZENE UGIL T NVT !,2-DIBROMO-3-CHL£JROPROPANE U(�fL T 0.34 <;(}.a P<0,5 A.0.5 A<0.5 ^<0.5 e0,046 A<:"1.5 A<tJ.S "<0.� °`<0.�� " t.5 ^<0,5 "<IJ,S `<f1,5 <Q,t}16 `<0.5 ^<ii.5 1,2-DIBROMOETHANE UG/L T 0,77 <0,5 <0,5 <'3.5 <0:5 <0,5 <0,081 <0.5 <0.5 <0,5 <0,5 <0.5 <0.5 <0.5 <0,5 <0,081 <ii,5 <0,5 1,2-DICHLOROBENZENE UGIL T Mff 0.24 J <0.5 <0,5 <0,5 <0,5 <0A <0.5 <0,5 <0.6 <0,5 <0,5 <0,5 <0,5 <0,5 <0,1 <0.5 0,12 J 1,2-DICHLOROETHANE UGIL T 9.8 <0,5 0.15 J <0i 5 <0,5 <0,5 0,17 J 0,2 J 0,25 J <0.5 0.48 J <0,5 <0,5 <0,5 <0,5 <0,077 <0.5 1.3 1,2-DiCHLOROPROPANE UG/L T 11 <0,5 <0,6 <0.6 <0,5 <0.5 <0,081 <0.5 <0.5 <0.5 <0:5 <0.5 <0,5 <0,5 <0,5 <0,081 <0,5 <t 5 1,2-TRANS-DICHLOROETHYLENE UGiL T 1600 1,4-DICHLOROBENZENE UGIL T 11 0.25 J 0,16 J 0.13 J <0,5 0.11 J <0A 0,14 J OA4 J <0.5 0,11 J <0.5 <0.5 <0,5 <0.5 <:0A <0.5 0,14 J 2-BUTANONE UG/L T NVT <2,5 <2,5 <2.5 <2,5 <2.5 <039 <2,5 <2,5 <2,5 <2,5 <2,5 <2,5 <2,5 <2.5 <0.79 <2,5 <2.5 2--CHLORO-I,3-BUTADIENE UG1L T 0.0182 2-HEXANOrdE ML T N�'i` ' 1.3.3 <2.5 <2„ :5 <2.5 <2,5 <0,047 <2,5 <2,5 <2,5 <2,5 <2,5 <2,5 <2,5 <2,5 <0,047 <2,5 <2,5 3-CHLOROPROPENE UGIL T 4.5 <0.5 <0,5 <0,5 <0,5 <3.5 <0.1 <0:5 <0.5 <0.5 UJ <0.5 <0.5 <0,5 <0,5 <0.5 <0.1 <0.5 <0.5 4-METHYL-2-PENTANONE UGIL T NVT 0,88 J <2,5 <2.5 <2,5 <2,5 <0,57 <2,5 <2,5 <2,5 <2,5 <M <2,5 <2,5 <2.5 <0.57 <2.5 <2.6 ACETONE UG11- T NVT <2,5 33 341 <2.5 <Z5 <0�76 0,86 J <2.5 <2.5 <2.5 1 J <2.5 <2.5 <2,5 <0,76 1,7 J <2.5 CETONITRILE UG/L T 190000 <0.6 <0,5 <0:5 <0.5 11 <0,1 <0,5 <0.5 <0,8 <0,5 <0,5 <0,5 <0,5 <0,5 <0.1 <0.5 <0.5 CROLEIN UGIL T 18 <5 <5 <5 <5 <5 <1.3 <5 <5 <5 UJ <5 <5 <; <5 <5 <1.3 <5 <5 CRYLONITRILE UG1L T 32 <5 <5 <5 <5 <5 <1,3 <:5 <5 <5 <5 <5 <5 <-5 <5 <1 3 <5 <5 LLYL CHLORIDE UG/L T 4.5 BENZENE: UGIL T 6.9 <0.5 <0.5 <0,5 <0,5 <0.5 <0.069 <0,5 <0.5 <0,5 <0.5 <0.5 <0.6 <0.5 <0.5 <0,069 <0.5 <0,5 BROMODICHLOROM ETHANE UGIL T 3,8 <0,5 <0,5 <0,5 <0,5 <0.5 <0.051 <0,5 <0.5 <0.5 <0,5 <0.5 <0.5 <5.5 <0.5 <0.051 <0,5 <0,5 ------------------ BROMOMETHANE UG11. T 73 <0.5 <0.6 <M <0.5 <0.5 , 0OA4 <0.5 <0,5 <0,5 <0.5 <0.5 <0.5 <0,5 <0,5 <0,14 <0.5 <0.5 CARBON DISULFIDE UGIL T NVT <0,5 0,51 0,29 J <0,6 <04.5 <0,081 <0,5 <0,4 <0,w <0,5 <0,5 <0,5 <0,5 <0,5 <0,081 <0,5 <-0,5 CARBON TETRACHLORIDE ML T 1.8 <0,5 <0,5 <0,5 <0,5 <0.5 <0.058 <0,5 ' <0.5 <0.5 <0.5 <0.5 <0.5 <0,5 <0,5 <0,056 <0E 5 <0,5 CHLOROBENZENE UGIL T NVT <0.5 <0,5 <0.5 <0,5 <0.5 <0,056 <0.5 <0,5 <0,5 <0,5 <0,5 <0,5 <0,5 <0,5 <0,056 <0.5 <0.5 CHLOROETHANE ML T NVT <0,5 <M <0.5 <0,5 <0.5 <0.12 <0,5 <0,5 <0.5 <0.6 <0.5 <0,6 <0,5 <0.5 <0,12 <0.5 <0.5 CHLOROFORM UGIL T 3.6 0,55 0,19 J 0,17 J 0,14 J 0,37 J 0,61 B 0,3 J 0,32 J 2 <0,5 <0,5 <0,5 <0,5 0,11 J <t�,05i3 <0,5 0,26 J CHLOROMETHANE UG1 T 1100 <0,5 <0.5 <0� 5 <0,5 <0.5 <0.13 <0,5 <0.6 <0.5 <0,5 <0.5 <0.5 <0,5 <0.5 <0,13 <0,5 <0,5 CHLOROPRBNE UGIL T 0.0182 n<0,5 <n,6 ^<0.5 <0,5 °<0.5 <0,068 n<J.S r,<0.5 "<0,5 ^<0i.6 ^<0.5 <0,5 n<0,5 n<0,5 r<r,,068 r'<0,5 <0.5 CIS-1,3-DICHLOROPRtOPENE UGIL T 21 <0,5 <0,5 <0,5 <0,5 <0,5 <0,11 <0,5 <0.5 <0,5 <0.5 <0.5 <0,5 <0„5 <0,5 <0.11 <0,5 <05 CIS-1,3-DICHLtOROPROPYLENE UG/L T 21 DIBROM OCHLOROMETHANE UG/L T 14 <0,5 <0,5 <0.5 <0,5 <0,5 <0.056 <0,5 <0.5 <0,5 <0.5 <f1,5 <0.5 <0.5 <0.5 <0,056 <0,5 <0.5 DIBROMOMETHANE UGIL T 520 <05 <0.5 <0.5 <0.5 <0,5 <0:11 <0.5 <0,5 <0,5 <0.5 <0.5 <0,5 <0,5 <0,5 <=0.11 <0.5 <0.5 DICHLORODIFLUOROMETHANE UGIL T 31 <0,5 <:0,5 <0,5 1.3 <0.5 <0.089 <0,5 <0�5 <0,5 <0.5 <0,5 <0,5 <0,5 <04 5 <0.089 <0.5 <0,5 ETHYL METHACRYLATE UG''L T NVT 0,53 J 0"I J <5 <5 <5 <0.095 <5 <5 <5 <5 <5 <51 <5 <0,095 <5 <5 ETHYLBENZENE UGIL T 15 <0.5 <0.5 <0.5 <0,5 <0,5 <011 <0:5 <0,5 <0,5 <0,5 <0,5 <0,5 <0.5 <0,5 <0.11 <0,5 <0.5 ISOPROPYLBENZENE UGIL T NVT M,P-XYLENE UGIL T NVT 0,18 6 0.14 B 0.1 B <1 0,136 <0.059 0.091 B 0,11 B 0,085 6 0,097 B <1 0.069 B 0.063 B <1 <0M9 0,071 £3 f1.095 B11 M+P-XYLENE UG1L T NVT and ND = Non detect at stated reporting limit PARSONS Page 1 of 2 May 2012 DEQ-CFW 00044366 Table 48 Summary of Groundwater Analytical Results Compared to Commercial Indoor Air Screening bevels CA725 El Determination Report DuPont Fayetteville Works Fayetteville; North Carolina Location NAF-01 NAF-02 NAF-02 NAF-03 NAF-04 NA d05 NAF-06 NAF-06 NAF-07 NAF-08A NAF-086 NAF-09 hiA -10 NAF-11A NAF-11B PZ•03 PZ-03 PZ-04 USEPA Date 2/1i06 211/06 211106 1/25f06 2/1106 101*106 1/31/06 1i31,'06 1131106 1131106 211,106 211/06 211106 1126/06 7fS,'05 6/29/05 1Oil 8I05 211/06 VISSL Top (ft) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total (T)F Calculator Bottom (ft) 0 0 0 0 0 0 n 0 0 0 0 0 0 0 0 0 0 0 LabAnalyte Units Diss, (D) Commercial Duplicate FS FS DUP FS FS FS FS DUP FS FS F5 FS F5 FS FS FS FS FS €t1ETHACRYLONITRiLE UG/L T 300 <5 <5 <5 <5 <5 <0.62 <5 <5 <:5 <5 <5 <5 <5 <5 <0.62 <5 <5 METHYL BROMIDE UGIL T 73 METHYL CHLORIDE UGIL T 1100 METHYL METHACRYLATE UG/L T NVT <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <0,5 <5 METHYLENE CHLORIDE UGIL T 200 <06 <0.5 <0,5 <0.5 12 <0.12 <0.5 <0,5 <0.5 <0,5 <0.5 <0.5 <0.5 <0.5 228 0,51 0,72 METHYL.NIETHACRYLATE UG/L T NVT <0:5 <5 -XYLENE UG/L T NVT 0,06 J 0,037 J <0.5 <0.5 0,04 J <0.037 <0.5 <0,5 <0,5 <0,5 <:0.5 <0.5 <0,5 <0,5 <0.037 <0.5 0,046 J STYRENE UG/L T NVT <0.5 <0.5 <0.5 <0.5 <0,5 <0.061 <0.5 <0,5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.061 <0,5 <0,5 ETRACHLOR rETHENE UGIL T 2.9 <0.5 <0.5 <0.5 <0,5 <0.5 '16.1 <0,5 <0,5 <0,5 <0.5 <0,5 <0.5 <0,5 <0.5 <0.16 <0.5 0.18.1 ETRACHLOROETHYL:ENE UGIL T 2,9 TOLUENE UG/L T NVT 01 J 0.26 J 0,23 J 0,074 J 0.75 <0.068 <0,5 0,083 J <0.5 <0,5 0,12 J <0,5 1 <0,5 <0,5 4,2 131 0.15 J <0:5 BANS-1,2-DJCHLOROETHENE UG/L T 1600 <0.5 0.068 J 0.066 J <0.5 0.35 J 0,14 J <05 <0,5 <05 <0.5 <0.5 <0.5 <0.5 <0.5 <0.053 <0,5 0.14 J BANS-1,3-DICHLOROPROPENE UG1L. T 21 <0.5 <0.5 <0.5 <0,5 <0.5 <0,1 <0.5 <0, <0,5 <0.5 <0,5 <0.5 <0.5 <0,5 <0.1 <0.5 <:0,5 TRANS-I,3-DICHLOROPROPYLENE UG/L T 21 TRANS-1,4-DICHLORO-2-BUTENE UG/L T 0,11 T<20 ^<20 h<20 ;<20 n<20 '`<3,8 h<20 ^<20 `<20UJ n<20 ^<20 ^<20 ,<20 "<20 ^<3,8 �<20 ^<20 RICHLOROETHENE UG/L T 7A 0.067 J 0,056 J <0,5 <0.5 0,58 0,34 J <0,5 0.06 J <0.5 <0.5 <0.5 <0.5 <0.5 <0,5 <0.053 <0,5 0:24 J RJCHLOROETHYLENE UG/L. T 7.4 RICHLOROFLUOROMETHANE UGIL T NVT <0.5 <0.5 <0.5 <0.5 <0.5 <0.13 <05 <0.5 <0,5 <0,:5 <0,5 <0.5 <0,5 <0.5 <0,13 <0.5 <0.5 VINYL ACETATE UGIL T NVT <1 <1 <1 <1 <1 <0,18 <1 <1 <1 <1 <1 <1 <1 <1 <0,18 <1 <1 VINYL CHLORIDE UG/L T 2,5 <0,5 <0.5 <0.5 <0.5 <0,5 <014 <0,5 <0,5 <0,5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.14 <0,5 <0.5 YLENE (TOTAQ UG/L T NVT 0.25 B 0,18 S 0,11 B <0.5 0.18 B <0.13 0.096 B 0,11 131 0.096 0.113 <0.5 0.073 B 0.067 B <0.5 <0.13 0,075 6 0,158 1,2,4-T RICHLOROBENZENE UGIL T NVT <10 <10 <10 <10 <10 <0:74 <10 <10 <10 <10 <11 <10 <10 <10 <0.74 UJ <10 1,2-DIPHENYLHYDRAZINE UG/L T NVT 2-METHYLPHENOL UGIL T NVT <10 < 0 <10 <10 <10 <038 <10 <10 <10 UJ <10 <11 <10 <10 <10 <0.78 <10 3-METHYLPHENOL. UG/L T NVT <20 <20 <20 <20 <20 <0.97 <20 <20 <20 <20 <22 <20 <20 <20 <0.97 <20 .-METHYLPHENOL UG/L T NVT <20 <20 <20 <20 <20 <0.97 <20 <20 <20 <20 <221 <20 <20 <20 <0,97 <20 IS(2-CHLOROETHYt.) ETHER UG/L T 53 <10 <10 <10 <10 <10 <0.58 <10 <10 <10 <10 <10 <10 <10 <10 <0.58 <10 IS(2-CHLOROETHYLiETHER UGIL T 53 BIS(2-CHLOROETHYL)-ETHER UG/L T 53 NAPHTHALENE UG/L T 20 <10 0.68 J 0,63 J <10 <10 <0.631 <10 <10 <10 <10 <11 <10 <10 <10 0,63 UJ <:10 NITROBENZENE UGIL T 310 <10 <"=.0 <10 <10 <10 <0,84 <10 <10 <10UJ <10 <11 <10 <10 <10 <0.84 UJ <10 N-NITROSO-DI-N-BUTYLAMINE UGIL T 14 <10 <10 <10 <10 <10 <0.91 <10 <10 <10 <10 <11 <10 <10 <10 <0.91 UJ <10 N-NITROSODI-N-BUTYLAMINE UG/L T 14 PYRENE UG/L T I NVTJ <10 I <10 <10 <10 <10 <0.71 <10 <10 <10 UJ <10 <11 <10 I <10 <10 <0.71 UJI <10 VISL - USEPA Vapor Intrusion Screening Level Calmilator, USEPA, March 2012 NVT - Not sufficiently volatile or toxic: to pose inhalation risk Screening levels calculated assuming a commercial scenario, target risk of 1 E-6, target hazard quotient of 1 and an average groundwater temperature of 26C. < and ND = Nan detect at stated reporting limit PARSONS Page 2 of 2 May 2012 DEQ-CFW 00044367 Table 5 Summary of Surface Water Analytical Data CA725 El Deterrnination Report DuPont Fayetteville Works Fayetteville, North Carolina �,. c. APFO 3825261 UG/L 13 13 1.50E-01 3.02E-01 SW-02 AFFO (Trial) EVS0275 UG1 13 13 1.50E-01 3.00E-01 SW-02 PFOA 335671 I:JG1 13 13 1.44E-01 2.90E-01 SW-02 PFOA(TRIAL) EVSO489 UC%L 13 13 1.44E-01 2.88E-01 SW-02 1.1,1.2 iETRACHLOROETHANE 630206 UG1 12 0 5.00E-01 1,1,1-TRICHLCOROETHANE 71556 UG/L 12 4.40E+00 1.1,2.2-TETRACHLOROETHANE 79345 UG/L 12 4.00E+00 1.1,2-TRICHI.OROE T HANE 79005 UG/L 12 E EO 1,60E+01 1,1-DICHL.OROETHANE 75343 UG/L 12 1,70E+05 1.1-DICHLOROETHENE 75354 UGIL 12 7.10E+03 1,2,3-TRICHLfOROPROPANE 96184 UG/L 12 0 5.00E-01 2,20E+03 1.2-DIBROMO-3-CHLOROPROPANE --- --------•• 96128 UG,L 12 0 5.00E-01 _.. .... 130E-01 1.2-DIBROMOETHANE (EDB) 106934 UG1 12 0 5,00E-01 3.10E-01 1,2-DICHLOROBENZENE 95501 UG/L ... __ ........... .. 12 0 5.04E-01 1,2-DICHLOROETHANE 107062 UG/L 12 0 5.00E 01 3,70E+01 1.2-DICHLOROPROPANE 78875 UG/L 12 0 5.00E-01 1,50E+01 1.3-DiCHLOROSENZENE 541731 LJGL 12 0 5.00E-01 1;4-DiCHLOROSENZENE 106467 LJG/L 12 0 5.00E-01 1.90E+02 2-HEXANONE 591786 UGIL 12 0 2.513E+00 ACETONE 67641 UG:L 7 1 2,36E+00 1.50E+00 SW-7 ACETONITRILE 75058 UG/L 12 0 5.00E-01 AC:ROLEIN 107028 UG;L 12 0 5,00E+00 ACR'YLONiTR1LE 107131 UG'L 12 0 5.00E+00 2.501E-01 ALLYL CHLORIDE 107051 UG/L 12 0 5.00E-01 BENZENE 71432 _ UG/L 12 0 5,00E-01 5.10E+01 BROMODICHLOROMETHANE 75274 U>u/L 12 0 5.00E-01 - 170E+01m BROMOFCORM 75252 UGIL 12 0 5,00E-01 1.40E+02 CARBON DISULFIDE 75150 UGIL 12 0 5.00E-01 CARBON TETRACHLORIDE 56235 UGIL 12 0 5.00E-0'1 1.60E+00 CHLOROBENZENE 108907 UGIL 12 0 5,00E-01 CHLCORODISROMOMETHANE 124481 UGIL 12 0 5.00E-01 1.30E+01 CHLOROFORM 67663 UG/L 12 0 5,00E-01 1.70E+02 CHLOROPRENE 126998 UGIL 12 0 5,00E-01 CIS-1,2 DICHLORCOETHENE 156592 UGIL 12 1 5.83E-01 1.50E+00 SW-3 4.90E+03 CIS-1,3-DICHLOROPROPENE 10061015 UGIL 12 0 5,00E-01 DICHLORODIFLUOROM ETHANE 75718 UGIL 12 0 5,00E-01 1 of 5 May 2012 DEQ-CFW 00044368 Table 5 Summary of Surface Water Analytical Data CA725 El Determination Report DuPont Fayetteville Works Fayetteville, North Carolina ETHYL CHLORIDE ..................... 75003 . . UG/L 12 0 5.00E-01 5,50E+02 ETHYL METHACRYLATE 97632 UG/L 12 0 5.()0E+00 ETHYLBENZENE 100414 UG/L 12 0 5,00E-01 IODOMETHANE 74884 UG!L 6 0 5,00&01 ISOBUTYL ALCOHOL 78831 UG/L '12 0 2.50E+01 META- AND PARR-XYLENE EVS0253 UG/L 12 1 ------------------------------------- 9,22E-01 6,60E-02 SW-3 METHACRYLONITRILE 126987 UGJL 12 0 5,00E100 METHANOL 67561 UG/L 12 0 2,00E+04 6.30E+05 -METHYL BROMIDE METHYL CHLORIDE 74839 74873 UGIL UGIL 12 72— 0 0 6,00E-01 5,00E-01 1.50E+03 9.60E+01 METHYL ETHYL KETONE. METHYL ISOBUTYL KETONE 78933 --1081 01 UGIL UGIL 12 12 0 0 2,50E+00 2,50E+00 1.60E+05 METHYL METHACRYLATE 80626 UGIL 12 0 5:00E+00 METHYLENE BROMIDE 74953 UGIL. 12 0 —700E-01 METHYLENE CHLORIDE 75092 UG/L 12 0 5,OOE-01 5.90E+02 ORTHO-XYLENE 95476 UGIL 12 0 5,00E-01 PENTACHLOROETHANE 76017 UG/L 12 0 5.00&01 PROPIONITRILE 107120 UGIL 12 0 2.50E+01 STYRENE 100425 UG/L 12 0 5,00E-011 TETRACHLOROETHYLENE 127184 UGIL 12 2 4,75E-011 5,40E-01 --------- ----------- SW-3 330E i,00 TOLUENE 108883 UG/L 12 0 5,00E-01 TRANS- 1.2-DICHLOROETHENE 156605 UGIL 12 0 5,00E-01 1,00E +04 TRANS-1 .3-DICHLOROPROPEN'E 10061026 UG/L 12 0 5,00E-01 TRANS- 1.4-DICHLOROBUTENE- 2 110576 UG/L 12 0 2.00E+01 TRICHLOROETHENE 79016 UG/L 12 1 4,88E-01 150E-01 SW-3 3,00Ei-01 TRICHLOROFLUOROMETHANE 75694 UGIL 12 0 5,00E-01 6,70E 1-04 VINYL ACETATE 108054 UGiL 12 1.00E+00 ................................. VINYL CHLORIDE . . .. . .. . .............. 75014 UG/L 12 0 ........ 5,010E-01 ...... 2,40E+00 - XYLENES ......... . 1330207 UGiL 12 1 4.65E-01 7,40E-02 SW-3 1,2,4,5-TETRACHLOROBENZENE 95943 LJG/L 12 0 1.01E+01 . . ... . ..... . ..... . . 1,10E+00 1,2,4-TRICHLOR(DBENZENE 120821 UG1 12 0 1.01E+01 1,3,5-TRINITROBENZENE 99354 UGIL 12 0 1.01E+01 7.50E+04 1,3-DINITROBENZENE 99650 LIG& 12 0 1.01E+01 1.40E+02 1,4-DIOXANE 123911 UGIL 12 0 2 5OE401 1.10E+02 1,4-NAPHTHOQU I NONE 130154 UGIL 12 0 1.01E+01 1-.NAPHTHYLAMINE 134327 UGIL 12 0 1.01E+01 P"Sohis 2 of 5 May 2012 DEQ-CFW-00044369 Table 5 Summary of Surface Water Analytical Data CA725 El Determination Report DuPont Fayetteville Works Fayetteville, North Carolina .:.:..::.:...::::................::.............. 2,3,4,6-TETRACHLOROPHENOL Ell 58902 UG/L 12 0 1.01E+01 2,4,5-TRICHLOROPHENOL 95954 UGIL 12 0 1.01E+01 2,4,6-TRICHLOROPHENOL 88062 UGIL 12 0 1.01E+01 2,4-DICHLOROPHENOL 120832 UG/L 12 0 1.01E+01 2A-DWIETHYLPHENOL 105679 UG/L 12 0 1.01E+01 2.4-DINITROPHENOL 2.4-DINITROTOLUENE 2,6-DICHLOROPHENOL 51285 UG/L 121142 UG/L 87650 UG/L 12 0 12 0 12 0 2.02E+01 1.01E+01 1.01E+01 3.40E+00 2,6-DINITROTOLUENE 606202 UG/L 12 0 1.01E+01 7,10E-01 2-ACETYLAMINOFLUORENE 2-CHLOROPHENOL 2-METHYLNAPHTHALENE 53963 UG/L 95578 UG/L 91576 UG/L 12 0 12 0 12 0 1:01E+01 1:01E+01 1.01E+01 8.00E+01 2-METHYLPHENOL(0-CRESOL) 95487 UGIL 12 0 1.01E4-01 2-NAPHTHYLAMINE 91598 UGA.. 6 0 1.02E4,01 2-NITROANILINE 88744 UG/L 12 0 2.02E+01 2-NITROPHENOL 88755 UGIL 12 0 1.01E+01 2-PICOLINE 109068 UGIL 12 0 1.01E+01 3.3'-DICHLOROBENZIDINE 91941 UGIL 12 0 1.01E+01 2.80E-02 3.3'-DIMETHYLBENZIDINE 119937 UGIL 12 0 1.01E+01 3-METHYL.CHOLANTHRENE 66495 UGIL 12 0 1.01E+01 3-METHYLPHENOL (M-CRESOL) 108394 UGIL 12 0 2.02E+01 3-NITROANILiNE 99092 UG:IL 12 0 2.02E+01 4,6-DINITRO-2-METHYLPHENOL 534521 UGIL 12 0 2:02E+01 2.80E+02 4-AMINOBIPHENYL 92671 UGI 6 0 1.02E+01 4-BROMOPt•1ENYL PHENYL ETHER 4-CHLORO-3-METHYLPHENOt. 101553 UG/L 59507 UGIL 12 0 12 0 1.01E+01 1.01E+01 4-CHLOROANILINE 106478 UGIL 12 0 1.01E+01 4-CHLOROPHENYL PHENYL ETHER 7005723 UG/L ^............. __ 12 _ 0 1.01E+01 4-DIMETHYLAMINOAZO BENZENE - 60117UGIL 12 0 1:01E+01 4-METHYLPHENOL{P-CRESOL: 4-NITROANILINE 4-NITROPHENOL 106445 UGIL 100016 UG/L /L 100027 UG/L 12 0" 12 0 12 0 2.02E+01 2.02E+01 2.02E+01 4-NITROQUINOUNE-N-OXIDE 56575 UGIL 12 0 1:01E+01 5•NITI3Q-ORTHO-TOLLIIDINE 7.12-DIMETHYLBENZ A ANTHRAGENE 99558 UGI 57976 UG/L 12 0 12 0 1.01E+01 1.01E+01 CENAPHTHENE ;ACENAPHTI.IYLENE 83329 UGIL 208968 1 UGIL 12 0 12 0 1.01E+01 1.01E+01 PAMSONS 3 of 5 May 2012 DEQ-CFW 00044370 Table 5 Summary of Surface Water Analytical Data CA725 El Determination Report Dt:Pont Fayetteville Works Fayetteville, North Carolina L ACETOPHENONE ALPHA,ALPHA-DIMETHYLPHENETHYLAMINE .... 98862 122098 UGIL UGL 12 6 0 0 1.01E+01 5.1+JE+01 8.50E+05 ANILINE ANTHRACENE 62533 120127 UGIL UGIL. 12 12 0 0 1.01E+01 1.01E+01 4,00E+04 ARAMITE 140578 UG/L 12 0 1,01E+01 BENZO(A)ANTHRACENE 56553 UG/L 12 0 1,01E+p1 a 3.11E-02 BENZO(B)FLUORANTHENE 205992 UG/L 12 0 1,01E+tit 3.11E-02 BENZO(G,H,I)PERYLENE 191242 UG/L 12 0 1.01E+01 BENZO K'FLUORANTHENE 207089 UG/L 12 0 1.01E+01 3.11E-02 BENZO A PYRENE _ 50328 UG/L 12 0 1.01E+01 3.11E-02 BENZYL ALCOHOL. '100516 UG/L 12 2 8.53E+U0 6.90E-01 SW-8 6.60E+06 EMS(2-CHLORO-I-METHYLETHYL) ETHER 108601 UG/L 12 0 1.01E+01 6.50E+04 BiS 2-CHLOROETHOXY?METHANE BIS2-CHLtOROETHYL)ETHER 111911 111444 UG/L UG/L 12 12 0 0 1.t)1E+01 1.01E+01 6.00E+03 5.30E-01 B1S(2-ETHYL.HEXYL PHTHALATE 117817 UGiL 2 0 1.00E+01 2.20E+00 BUTYL BENZYL PHTHALATE 85687 UGIL 12 0 1.01E+01 CHLOROBENZILATE CHRYSENE DIBENZ(A,H)ANTHRACENE 510156 218019 53703 UGIL UG/L UG/L 12 12 12 0 0 0 1.01E+01 1.01E-1.01 1.01E+01 1.80E-02 3.11E-02 DIBENZOFURAN 132649 UG/L 12 0 1.01E+01 DIETHYL. PHTHALATE DIMETHYL PHTHALATE 84662 131113 UG/L UG/L 12 12 0 0 1.01E+01 1.01E+01 DI-N-BUTYL PHTHALATE 34742 UG/L 12 0 1.01E+01 DIPHENYL AMINE 122394 L1G/L 12 0 1.01E+01 i( ETHYL METHfANESULFONATE 62500 UG/L 12 I 0 1.01E+01 FLUORANTHENE 206440 UG'L 12 I 0 1.01E+01 FLUORENE 86737 UG/L 12 0 1.01E-+01 HEXACHLOROSENZENE HEXACHLOROBUTADIENE 118741 87683 UG/L UG/L 12 12 0 0 1.01E+01 1.01E+01 2.90E-04 1.80E+01 HEXACHLOROCYCLOPENTADtENE HEXACHLOROETHANE 77474 67721 UG/L UG"L 6 12 0 0 1.02E+01 1.01E+01 1.10E-+03 3.30E+00 HEXAC HLOROPROPYLENE 1888717 UG"L 12 0 1.01E+01 lNDENO1,2,3-CD)PYRENE 193395 UG/L 12 0 1.01E+0': 3.11E-02 ISODRIN ISOPHORONE 465736 78591 UG/L UG/L 12 12 0 0 1.01E+01 1.01E+03 9.60E+02 ISOSAFROLE 120581 UG/L 12 0 1.01E+01 METHAPYRIL.E:NE t�ETtiYL fv1ETHANESULFONATE NAPHTHALENE 91805 66273 91203 UG'L UG/L UG/L 12 12 12 0 0 0 1.01E+01 1.01E+01 1.01E+01 N-DIOCTYL PHTHALATE NITROBENZENE 117840 98953 UG/L UG"L 12 1 12 0 1 0 1.01E+01 1.01E+01 .2.50E+03 3.00E+01 PAnSONS 4 of 5 May 2012 DEQ-CFW 00044371 Table 5 Summary of Surface Water Analytical Data CA725 El Determination Report DuPont Fayetteville Works Fayetteville, North Carolina is .:: N-NITROSO(METHYQETHYLAMINE 10595956 UGI 12 0 1,01E+01 N-NITROSODIETHYLAMINE N-NITROSODIMETHYLAMINE 55185 62759 UGIL UGI 12 12 0 0 1.01E+01 1.01E+01 4.60E-01 3.00E+00 N-NITROSO-Di-N-EUTYLAMINE _ 924163 UG/L 12 11) 1.01 E+01 2.20E-01 N-NITROSOU-N-PR0PYLAMINE N-NITROSODIPHENYLAMJNE 621647 86306 7,/L UG/L. 12 12 0 0 1.01E+01 1,01E+01 5.10E-01 5.00E+00 N-NITROSOMORPHOLINE 59892 UGIL 12 0 1.01E+01 N-NITROSOPIPERIDINE 100754 UG/L 12 0 1.01E-F01 N-NITROStOPYRROLIDINE 930552 UGIL 12 0 1.01E+01 3,40E+01 0,0,0-TRIETHYLPHOSPHOROTHIOA"rE 126681 UG/L 12 0 1.01E+01 O-TOLUIDINE 95534 UG/L 12 0 1.01E+01 PCN-2 PENTACHLOROBENZENE 91587 608935 UGIL UG/L 12 12 0 0 1.01E+01 1.01E+01 1,60E+03 1,50E+00 PENTACHLrORONITRO6ENZENE 82688 UG/L 12 0 1.01E+01 PENTACHLOROPHENOL 87865 UG/L. 12 0 2.02E+01 IOOE+00 PHENACETIN 62442 UGIL 12 0 1.01E+01 PHENANTHRENE 85018 LIGIL 12 0 1.01E+01 �- PHENOL 108952 UG/L 12 0 1.01E+01 3.00E+02 PYRENE 129000 UG/L 12 0 1,01E+01 4.00E+03 PYRIDINE 110861 UG/L 12 0 1.01E+01 1.30E+03 SAFROLE 94597 UG/L 12 0 1.01E+01 TETRAETHYL DITHiOPYRtOPHOSPHATE 3689245 UG/L 12 0 ':.01E+01 THIONAZIN 297972 UG/L 12 0 1.01E+01 PRONAMIDE DIMETHOATE CHLORIDE 23950585 60515 16887006 UGIL UGIL UGII. 12 12 I 12 0 0 10 1.01E+01 1.01E+01 7.47E+03 2.913E -04 S rir_3 DIALLATE,CIS ISOMER; DIALLATE (TRANS ISOMER) EVSO487 EVSO488 UG/L UGIL 12 12 0 0 1.01E+01 1.01E+01 FL.UCORIDE 16984488 UG/L I 12 6 2.90E+02 I 1.39E+03 SW-3 PAPSONS 5 of 5 May 2012 DEQ-CFW 00044372 APPENDIX A GROUNDWATER OkR ANALYTICAL RESULTS DEQ-CFW 00044373 Nit 1 ND = flr r d tr•ct at swe-cl reFwting lirr9' SIAP m.- r.y of Groundwater Ani lyt€cal Resuit$ Fiyettevi€le Works Punt Fayetteville, North. Carolina Paso1 :f 105 AApA. rAY-GW.-S.Xe l2als04c..2lS DEQ-CFW 00044374 App- -ix A SummAry of G-rourclwater Analytical Re,Wts Fayetteville Works Plant Fayetteville, North Camina Page t cf I'M DEQ-CFW-00044375 t an0 NO = K. hetar.; ac sYate;l rr+{�nr;c+g fir.�it Apr. .x A Summary of Groundwater Ana€ytiu3l hosu3ts Payettev€Ile Worlds Plant Payertevil€e, North Cat<)Iirra ._1............... .........; !.... ........---------- -- !._ - ---'--- ... W--------------- --- W.............�------ ...---- ....................W__..... 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JCS ..... ... .. .. �f t........... ......... ........ ... ...... ........ ........ .. _. .. .. xt?c Jul _____} ...................._ ' --- _------ —.. .. <.........................,, 28: �Uf:r i ! t717; Y1.) l --- .................. o .......... 7 _- W �.................. _- ...... i ----- l _� __ _ ....t. _ 40: I.. 7aRc zf 105 AppA �Akv a:i,.5ceeerrc,e.•ev.�.a.i2,l,,NQLS :Si 15,120U.. 9�05 AM DEQ-CFW 00044376 Summary of Groundwater Analytical Results vayettevil2e, woa-'s Plant North Carolina WAC —d ND - N—Jct,--t az sia , DEQ-CFW-00044377 App--:x A Summanv of Groundwater Anatyti(A Results f-"ettc.,vilk, Workzi Plant Fayettevillo, North Carolina 11, 3.0 N'." d,t,vt aS Apr DEQ-CFW-00044378 Appe—six A Suannia.-Y ol -Gmurdwater Amlyti,cO Resuits Fayetteville woirk> PWa North OrOna ND z Wil.X c r.sP.tc.ef t,p"41,g 9;,;a DEQ-CFW-00044379 Summary of Grix3ndwater Analytical Rc,�:,Its Fayetteville work" Piant Fayetteville, North Carolina a,d W.- x N- d,,woY at:tat ed, mpcnmg fmt DEQ-CFW-00044380 App,;,Aix. A Summary of GrourdWater Analytica' Results >ayelloville'vvorks Plant Fayetti-Alie, North CwolinA "'W ND z N., dnvenl oz f 1051 DEQ-CFW-00044381 Ape ,.-..,x A Smnnary ni Grotindwater AsAlytirAl Results yeti vil€e work,, Pant papntevMe, Nixlh 'Car,.Ana DEQ-CFW-00044382 Summary of Groundwater Asaiytiral Result� Wo-r Nara w�Ac- �,.t (,w- App A -i ND MA 9:', DEQ-CFW-00044383 App....., x A Summiary of Growidwater AriBlyti;:31 ReSUKS Fayetteville Works Plant Fayetteville, North Carolina d Pin z N,r, J-ttal at at m- 13 .f 12. 9.05 AM.- DEQ-CFW-00044384 Arip—dixA Summary of Gmundvvater Analytical Results F:3yetwvile ay, : North wlirla pag; U f LOS AM DEQ-CFW-00044385 sr A Si-ImMary of Groundwater Analvticai Result,, Foy�tteAle Works Plant Payettevilie, North Carolina 3 7! OS .AM DEQ-CFW-00044386 Appen.,x A Summary of Groundwater Analytical Resvlt6 Fayetteville Works Plant Fayetteville, Noah Carolina N CAC LC',IV 1,'10 App 1, xi -,NC 2L, 4 aM ND N— detect aI WO �P,--&gg innit Nge 14 cf 1.05 5,115/2r.1': :05 ANI. DEQ-CFW-00044387 Apo-:. Mix A sm-firnavyof Gtoundwatf-'f AnAlytiral Res.,ill" F"ettevmt� mirks Piant Nofth <,arolina an,. Pap, 3s n7 1:':n DEQ-CFW-00044388 APP�-'i,wx A Summary of Groundwater A.:ialybca; Results Fayetteville works Plant Fayetteville, Nort. Cafokla I I'd NO lilw.0 1t36 ,f W+ DEQ-CFW-00044389 Summary of Groundwater Anatytical Results Fayetfevl:le Works Plant Faytmt,vifle, North Carolina NCAC —ad GAI.. 11,10 App- ""d tO = N"', aT stated mvomg I, m'!t I a3e,17 rf ll)�. "..4 DEQ-CFW-00044390 Apperw,x A Surnmary of G-loundwater ArWytir-al Pesuft,, Fayetteville Work,,', plaril &ayetteviiio, Nortji, Orodiro M"N DEQ-CFW-00044391 lip, , Mix A Svmrnaf,y,,.>f Gmnjsdwati>f Ana€ybral Resuil,,--, PvOtevffle works Plant Nolh Camlina NCAS:-It(:W-i,W I -.'I W) - ,I �,W,.* AM DEQ-CFW-00044392 Summary of Groundwater Analytical Results Fayetteville `,No, B Pant Fayetteville, Alci th Curtains iTS'.-n? h n. LT4J LTek 3� FiC rdL• Tapwafer: rlafx: 3.. 3r-..t - .h.n. }. ... t 21s EMd sl BYLs FuR{hi --------------- t. n p - - ---: �� :}_ C- <) t3' J ... .. .... -- tni _ _ .. 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L . _..-.T _............----._ '___.... .__ t _ i ......... )I ..._ -- ................ i pE ., py. ,:Et ............. > � ----- . b355<ii?;f ;i fl%4i>£iV fiti 3.t7} ------------------- :7J:i,%:: :. ..............._...:................... ;....... ---- --- ........„.......................; ..._...----- .. ................. ----------------------- .;_...., ..- ................. ............... --___ ....,.........__ ....._._- . ___ ----............. ................. n 33 UEJL ?_ b4 ..--- - .. .................' __ ---'- ..... ... .- ... ....... ,,. ------ ...... ,. .................... ...........:......... .---_................— - ----- ._..._...._ .. _ - ...-.......... ------------------ R :A,LGSti S,t:� _ 3ra.Pd3>:.Pi:.:,rF?iPt: 3t :?:ted =eKnriv,�ler::!t i•nE� Ut;f Yil: 5,'.eS.';'ui2:9.%AM DEQ-CFW 00044393 Ap,,-,tnir. A Swii nary of C-+roundwatf4Y Analytical Resu tB Fayetteville Works Flan?. Fayetteville, North Carolina hCAC Z,.GYJ Sf1� 'ADBA �AY-GW 5creenect rsr-r--li.>::s>:'. NC S <a,i3 No. >Nan d--Aczat stated>ePcnai 14r O! ?ale <<^10105 SJI>,'2CL<`;?nS:A,N1 DEQ-CFW 00044394 Summay of Groundw,3tv Asalylical fayett,aviile Wo-mr , P':ar.t N..w-th Carolina ll;An NQI�s N", zz "w" ;, 1; 9,r5 At", DEQ-CFW-00044395 A Sif';" many of Groundwater Analytical Resm!ts Fayette Me Works Plant Fayetteville, North, Car'nGna tVCAr �lvv' f%1? AAA F�'r'G'FI_5crecr.��d�;ec .9. r2.BlscidiZis Ncn docci at staEec reperifny; Gmrt -age 3 ,t Wq 5; 15%2 Y2. J:Q5 APr! DEQ-CFW 00044396 App< ,r —x A. Surnmaty of Groundwater Arr3iyttcal Re,,.. 4s Ff yetteviile Works Plant Fayetteviite, North Carolina me "if: %c 1t :-- rc3£ `a SG rtCie =zr:. ,W ----------------------- ClU 1,10 i>E:A.d31lE: ai'f. iti F.,tffffd C I Jt l ' klf ... ...,_... _ ......, rif etF:3dG3,gg' 1 ..tf .. .. ... .. .--- .......... .<'... I' ] f35i — ., z� f . .:......................._ r:OJst..._............_ rn�. i Y ............. <an3 •'4%? •Ncn:•if!e.:i zt s3a3eA. retcr[tag irm S.; .201e:'.E:Q6, AM DEQ-CFW 00044397 Ap,ndix A 5,ummary of Grounclwater, Analytical Re.sults Fayetteville works Piant Fayetteville, North Carolina WOVV -. 1,'10 App A 9,':Y-GIAI_4;"eer,a4-,ev-S-�-l',,.,z1sx:NC2ts DEQ-CFW-00044398 Appt,uiwx A Sum.-i-ri-iwi of Groillnd-wal:er Anaiyt:aad R.emjits Nky<ttle0le works Mant F c yetYoyfile, W, ah tied' 4ti a Nclllcl_INIWJ,1'1C: Ai�A 2� iW,J "q--,Wg 0Kls AM DEQ-CFW-00044399 Summary of Grour-idwater Analyl ical Re<:jfts d"eticvik- Work& P:ant North Czroima A ", :,w N,n d-8-1 at firo DEQ-CFW-00044400 A pp, A Sumniary of Gruunilwate, Analyticai Pe}, lts, Fayette,Mie "Narks Plant Paye.:te.vWe, Nwth Ca--Ofina wAc k c w -.1/ 1 o ApA, FAY-(;W...S,.--e-d N' 'Ls af.A ND Pb,*,g 6:71it "U" DEQ-CFW-00044401 Appt,,,.,,x A Summary ns Grawnrlwater Ana€ytica€ fiasu€ts f ayettevOle Works Flan£ i atiettevi€Io, North Cafoiino .,(A,! 2,iiwj,%16 „pp A F'pl' �Vx'._Saeen^u-reu-5.3..s2_<is.x;PaC2is an• 140 : PJon rrY ch at ,p.,ti 61;.,; VagP ;S of lvlE it.512012. 9:(15 1M DEQ-CFW 00044402 Appt:,,dix A Sumniiary of!Grou,,xdmiter nalyt<cal suits Fayettewlie wo"- Plant R3yeltevilk, Wnh Ofciinik) W. A< -A� ;W'- X, A" A, 6 1;. � t.i-W, DEQ-CFW-00044403 Appe ... ;,x A Sijmmiry of Gromidwratu An3iyticai fzesulv,� I rayettevMe Works Pkmt North Cauol3a NO , r,',n defer pn, f I Os M'S AM DEQ-CFW-00044404 App,.—dix A SurnrnAry of Groundwater Analytical Results Fayettevilie Wo6s Plant Payette.ville, North Carolina P30e32 of 11$ 9�01, AM DEQ-CFW-00044405 A opt, .-x A Summ.ary of Gmundwater Analytical Reso Its Fayetteville Works Plant Fayetteville, North. C"arolina Arr A a';d NO � 'W", dmoat St.rC4 '(wr-mg. Imil 1"g, 3:3 of 10.5 S.", '1/2,012: 9:0�, AM. DEQ-CFW-00044406 ND = N" App�odix A Sommary d Groundwmer Analytical Results Fayetteville works Plant Fayetteville, North Cat olina 40[ ML .............. ................... ------------ - ------------- 0'(W Pig' 34 d lo5 A",A ';I'Y S-1-1-6 re, 5 S"'I�s'QC13'2: AM DEQ-CFW-00044407 Af)PP,,.!),, A Summafy of Gfoundwale-T Analytical Rcsults Fayetteville Works Plant ay tteviiie. North CarMina ',CM-2: 0 A"'p, A -AY-1,1,kl-Su I � 1 ,A NID � NO, dISCI.-t e SI'led 1-:t. Tll,: 9 O5 AM DEQ-CFW-00044408 mm ®m E NC AC 2L,-.,7J l/10 -I ND , Will i .a.Y at sf it.A report?,g Whit Appendix A Summary as Groundwater Analytical Results Fayetteville Works plant Fayetteville, North Carolina < (ull nEz iaa - _ .__ �._...._._._41, J.___ ------------- ^ 2tUl;"'Jul r #lul--------- "<2[0} c7. (Lll� � -iju1 x _ [Ul cx TUi <7IUil .3 fU] as uvL z[ _ UIL — — - — - - - a u� L t lUIT : 11 u7 l....... -i3l ... 1 < -- --- ----............... ...... ... .{ .. --- [ 1 -- roDo UG;L gage e, f 101. Arty A r.A'e' 1_). � ¢.:7:U� DEQ-CFW 00044409 Appe,.-,,x A Sumnwy of Ground'vwt,?r Anialytical Re,,ults wor6.5 Plant North caroMa NA, : -.A�211W.. V I I, APP A !2,OwNOIS , as NO, _ ?4,�, 8m;,k sw 4 P,g., U, 94A A W, DEQ-CFW-0004441 0 App,odix A Summary of Groundwater Analytical Resuit,, F:3y�meville Wo!k--.-- Plarit rayettevilie, North Cafolima N(M 1113.11 ..and N" liNwl 1; ml 't 105 DEQ-CFW-00044411 Appi,--.,,x A Summary of Groundwater Analytical ResuR5 F;;Yettevilfe. Works Plant Fayetteville, North Carolina WAC-.2WW-.VIO !"Os"NUts Nf) - NO,! 10W� at scaCed repo ling limit Nge 4 of M3 Vlni2a12, 9.6rl A.M. DEQ-CFW-00044412 Appendix A SIJFTHTli3fy of Grouridwater Analytical Results Fayetteville works Mant Fayetteville, North Caroiina x<r:a:;.._".Gt`i,ft., A DEQ-CFW-00044413 Api)e—.,(A Summary of Groundwater Analytical Re-suitc, F;,4yetteviilf. wofk� Plaw, FayettevMe, North CaroMa W: A C- 2 i(-.W_ 1/1 0 A i--NCN, I a.,d No - Wr, at StIted Ipmilg 1:1-It Page .1; of M5 IVWN� 1� 9:05 AM DEQ-CFW-00044414 A G W I t i .',l 4u < Wde=l <t Appendix A Sur nary of Groundwater AnaIytic�al Results Favettevill..-> Works Plant Fayetteville, North Carolina P.8, A2 0 lf'5 ............ ................ -------------- ........................ ------------------------ ....................... ------------------------ .......... ---------- --- ............ ..................... ------------------ ---------------------- ------------------------ ------------------ - --------------- ----------------------- --- — — — --------- ---- - ----- ------------- j ---- . . ... ... ......... -- ------------------------ .................. ----------------------- .......... ----------------------- ----------------------- �O r0l 30 Kill T; 1,71. (Uj ............. ----------- f'c ------ - ---- 7 t -------- ----- Iola �6 u 'K6,,14 o. 14 5 1-! 21.15.14c?i, DEQ-CFW-00044415 Appt,. xA Summary of Groundwater Analyticai Resufts I Fayctteville WQfk,, Pant Fayetteville, North Carolina McAc- �. L C�w 1 /v) App A FA� -GW_ 43 %; - 1 12: 9:.0- AIA DEQ-CFW-00044416 App,,:,Jix A Sum-mary of Groundwatef Rc*oitl Favettevilie, wor" Plant Norlh C,arom,� DEQ-CFW-00044417 Appt�--x A Sur i rn. a ry of G rou indwater Ar,aIyticifl Result, Fayetteville Works Plant Fayetteville, North Carolina NfAC -,61^^1," 10 App A —.1 ND = NIII lilt-t Rt ltat,d. Povnno 45 of 10 9.0�. AM DEQ-CFW-00044418 App—dix A Summary of Groundwater Anaiytical Results Faveltevifle Works Plant Fayetteville, North Cafolim3 Ann A and W) � NQ;l "0 Ng� 4mi of 1"'s "M DEQ-CFW-00044419 .Appx,--x A Summary <,,.f Griundwai:er AnMyticM R<tsul:s Wo4's PiAnt N<,,rlh Cavohr-,a n CA(_ Aps� A NU, NV N�, ,.to,:i it :?At : Ats Ng, 47 f 3GS DEQ-CFW-00044420 App-,OW A Stimmaryof Gvcusowater Arwiy*icao FaycftcVik" Worth Cwokl , DEQ-CFW-00044421 App�,.—,A A Sur nary of Groundwater Analytical Resuits Fayetteville W04.s Plant Fayetteville. North Carolina App A It sot ,*r,—t;"g b a F MS s Qnl v4 DEQ-CFW-00044422 A ' pp,,,dix A Summary of Grmindwat,,f Analyt:cal Results vaye,fteville Works fliant 'ayeve--OHP; North Carolina DEQ-CFW-00044423 A p p c-- -,,, A Summary ofGmundwatet Analytkal Results Fayetteville Works Plant Fayetteville, North Carolina r. ND. N- 51 cif 3."S 5111$i2012 9 135 AM DEQ-CFW-00044424 App�odix A Summary of GrOUndWJtp-f Analytical Result Fayetteville worts Plant Fayetteville, Nonh Carolina A A'f4 3 W 11a NC to ----4 Nt, 52 DEQ-CFW-00044425 App,—,x A surnrna>y of Groundwatef Anaiybcal Results Fayetteville Works Plant Fayetteville, North Carolina All A 4 NO � N- detect m tat-.d f 3., 5"Is"K. 1 15 rwll DEQ-CFW-00044426 Aopvfidix A Stmimary of Gwyamdwwr AnaiVO# F'ayette,(i;ie works rl:ant F3yettevffle,. Ncnh GW1113,11 Z. Nc, at Pair 53 of ltli.: AM DEQ-CFW-00044427 Appe—xx A Summary of Groundwater Analytical Results Faypiteville Works Plint Fayettevil'e, North Carolina C S/15/20U. 9�05 ANI DEQ-CFW-00044428 Appe.MW A Summary of Groundwater Analytical Res-jlts Work& Plant Fayeftevilic,,North Carolina W�11(-.A.Gw-- 111-1 Arp A ,and Nu = N- detect_ at.r,:yd reoor;b:b iintir DEQ-CFW-00044429 Appe—,x A Sutnrnauy of Groundwa"t Analytical Results Favettevffle Works Piant F;3YelleAe, North Clar(Ana wlllC-Al3wj.;i(l NCIt, , �nl ND.-Na 'Ipor-,Mg limit fl�g, 57 1 lc:;t03?"3:05 AM DEQ-CFW-00044430 App�:idix A Sun-wrtary of Anaivbcal Results FAyotte,)Me woa,'s Plant Fayetteville, North carolmA sa, -md N.I. - Non stared mpwoj� iml 9:05 AM, DEQ-CFW-00044431 AP.pe,,,-,x A SurnrnaIy of Groundwater A n a lylica I Results Fayetteville 1Wo4,5 Plant f`aVetteville, North. Caroiina pjcm_7u;w- :,'3,0 App A ?1.1 , "M NO -. Nod,,a,l M S., , Am. DEQ-CFW-00044432 Apk,rr,dix A of Groundwater Ariaiytical Resuits Works Plast Fayetteville, Ninth Caroiina W] A< App A Ez� "I � flS AM DEQ-CFW-00044433 Summary of Groundwater Analytical Results Fayetteville works Plant Fay-eltevilk" North cam:ina NCAC 2iOV4 —;0 App.4 FAe,'*IW._S<re^.-nni,f<.,%.'?- U:A,04(21s f 11,5 2;'. <; (t5 AM. DEQ-CFW-00044434 App�.Aix A "un-imary of Groundwater Analytica! Results Fayettevilk,, Worbks Plant Fayetteville, North Carohna WCAC i lll? AppA S -, le-A—W,2ls 1 —zl N.D . IWO m —poam,� ijr 10s DEQ-CFW-00044435 ApIx x A Summary of Groundwater AnaPYEical Restjlts Fayetteville Works Mant Nofth O(olina -d ND z N- d,-A at ot�, f"Qmg mt, 63 Am. DEQ-CFW-00044436 Appendix A Summary ofiGroundwater Analytical Results Fayetteville wofks Plant Fayetteville, Nortt;. camiina DEQ-CFW-00044437 Ap' x,—ax A Summary n': Grokmdvvater Anaiyticai: Rrwlts Fayetteville M-'rk"', Nam Noflh Carolina AppA 65 rrf 1: 5/1-sl,'Xll-,': OS ANI DEQ-CFW-00044438 Appeodix A Summary of Groundw3tef AnalyflcM Results E ayetteviik wf-,rkS Pia"M North Carolina N'(A' _ I LcW_ 3.1'10 App A rAvIGW.5—,,,cd ,, S 9 12,,.Is,.NC2Ls , azid ND N t_ct at >MTe�J limit za.,e 661 of I O's t2. 9A6 ANI. DEQ-CFW-00044439 A ppe .... �x A Summary of Gn.-m3ndwater Anaiytirai gesuft& FayLtltevillc. Works Ran, Fayetteville, North Carolina Appk N— d�.,��l "t dint, tmir Sl,'!S,,'Ol Ak! DEQ-CFW-00044440 3 E N 7OiG, H: 1) PE R Y L FN E -- - -- - ------------ ------------ - ---------------------- ........................ ...... .......... -- - ---- . ................. 0'0" tK:1 CW ........................... pwxAlpji: .................. 3 U(mm"------------ .......... F W:A; App�-udix A Summary of Gfcundwattr Anaivljcai Re-.sults Fave'tteville Wof k& Pant Fayetteville, North Carolina ------------ [ ------------ ------------------ -------------- UGA ZA------------ ----------- ---- 1, W 1,10 I ............. . ------------------- ................. 4 .... 1 .................... . . . . . . . . ....... . ----------- - ---'.. ..... ........................ L ................ ....... .......... - — ----------- - ................................................ ........... .......- 'till - - ---- ...................... -------------- -- ------ .......... ......... ............................ -- ---------------- - --- ---- ------ ------------ ---------------------- � ............. '3 IQ f --------------- "'21kil <1 Fsli < - --------------------------- - -- - — --------------- - - - -- - -- ------------------------ ................. .......................... il .................. . ..................................................... -------------------- -- ---------- . .. . ..................... ......................... -- --- ------------ ............. ................. .............. < - ------ .................. ----------- — ------ Jul --- -- . .......... 91 �. ------------------ .............. .................. ,.I� ................ ----------- 11 IL311 ------ ----- ----------- 1 '2 ---------- ----- '1-1W --------------------- - I W1: ------------'- 3 ------ --- "I ------------- ------------------------ ............ ------------------ - - ---- - - - --------- ------ - ----- ................ ........................ .................. ------ - ------- ---------------- ----------------- 3 3 --- - ------ t Jul -,I tuJ A<j Itil ------------------- ....................... ----------------- ----------- ........... App A rAY-IGI,ti _' ---J ,, S 9.3 R, ,.".I i' •"'t'4 DEQ-CFW-00044441 Appt—,x A Summary of GroundwAter AnMyticM Results Fayettemlle Works Plant Fayetteville, Narih Carolina N I, -Ac_ 21 Gw— 1.111 E I App A PAY -GIN _,Sv--d—v-S 94'Asx NMs ald W) -- N- It IOW$ I'Plllmg 4.il K,g, 6u .f IDS DEQ-CFW-00044442 App�odix A of Grouridwoter A;AAi(ai R.�,-wfts Nam A ;.M; 0 - t4.> , .,,w, Vn, "0 13,13 US AM DEQ-CFW-00044443 App?,,,;?,, A SLIMMIty Of Groundwatpr Analytical Results Fayetteville. Works Plant Fayetteville, Nof1h Carolina NCAC AV,, 1l10 A:.oA SA.-(;W .116 N'D - WA-11 at stated reperting P.,;e 71 f 135 F,,3 5/2 0 12 0 S A M DEQ-CFW-00044444 Ap>, idix A Summiary of Groondwatd,, AoMAkai -Rf,-wfts w"O"s Nam &I"o 's sl at 2<i DEQ-CFW-00044445 AppL.;-x A Surnman.i of Grourm"water Analytical Results Fayetteville Works Plant Fayerteville, North Camfina _:.<;w _I/ lo 4pp4 �Ay Pnd MD = Wn IOC P.t.�WOd:opolm8 I:r-;R gage 73 -,f 105 "./1 :,;20 t 19 .05 AM, DEQ-CFW-00044446 ApptfMiK A Surnmary of Groundwater Analytical Results Fayetteville Works Plant Fayetteville, North Carolina Ni;ni U.Ar I Ap r. 'Ai Smr�-,Ci 2A,x; t4l-, I and ND - M 11 -" ."C - at stared mvcm"., f! rr!t 20 1e: 103s AM DEQ-CFW-00044447 Appe,,,,,x A Summary of Groundwater Analytical Resu45 F;)Yimeville Work" Plant FayettevMe, North Carolina NCAC -.2 -,CW 1 1; !�' -1 p p A W 1: 4rld ND - Noll celw t sutd rpomng limi rlzoP 71� .( 10$ AM DEQ-CFW-00044448 Appe-soix A Surnmary of Groundwater Ani:,vbcal Re5uAts f-ay,F.tteMile wq�k,, Pia Ili'. Nosth "MAMa <.•:W 3"1, DEQ-CFW-00044449 A pp,;,,ssx A Surnmary of Groundwater Analytical (insults Fayetteville Works Plant Payet*ev;lie, Nort?l Caolina MAC 131P A �9 9:Os AN! DEQ-CFW-00044450 Appendix A Sumrnaiy of Groundwater Analytical Results Fayetteville Works Plan-, Fayeqevifle, North Orofina NCACIVIWI - i 1110 App A 3:AV- M_S .... NcLtiS , -i I'D . N"I dz-cW VK; 5115;2W': 9Os ANI, DEQ-CFW-00044451 AppE--,x A Summia(y of Groundwater Analytical Rtnufts Flyo-ae"AHe Works Plant Fayetteville, Niorth Carolina NIPM 11110 A FAy rlV--;<—,.,��-,ev—��-U, 4,,:NCLs I an9 Nanv�tF--t �' ItIled 79 f I 5,115,'91d: 9:0S AM DEQ-CFW-00044452 Appuodix A Summiary of Groundwater Analytical Resu€ts Fayeneviile. Works Nam Faveltt,vMe, Nort. Carolina M5 = Non_ TcC sT —ml t,p"tmg t:rTla. Pao, 80 o4. 1 s 9_05 AM DEQ-CFW-00044453 Appe ..... x A AnWyticW Rosults Fay ttaJiII?'J+arks Mart YC„, a141.3,111W ;2,OwNQk� rM - tz--- d,r z 'p" ti of 305 ll,5,Q."312. 9,$5 AM DEQ-CFW-00044454 App,odix A Swmmaiy ofG.-Ioundwale( jme,.Suitl, Fayetteville Wnrk----- Plant Faye teVi€IE. Nouth � A 4:05 ANi DEQ-CFW-00044455 AppL,,,—:;,,,, Summary of Gioundwate.t Analytical Re.skilts, FavettevMe Works Plant ;7;3yetteville, NoM) Carolina and N." -. -Non da—1 at sl,iIm In"t P,g,. 93,fW:.� -)S ArA DEQ-CFW-00044456 Appndix A Surnmary of Gioundwate( Analyticol Resuits FavOtevilic Works Plant Payettevide, North Carolina Nclkc - MIA,- I; I, PAge 2A f I AM DEQ-CFW-00044457 App x A Stamminf of Groundwater Anaiybcalf Resufts Favettevii1e. Work,, Plant Fayetteville, North Carolina 4p A s"In/2012. 9X-5 AM DEQ-CFW-00044458 Appodix A $w-nonary of AO;Mytir-M RL'Sult', Fave-tevilie wgx k:: Kim: A, n A f 1, 1 " Mvf DEQ-CFW-00044459 PROMIt'lu V, I N C:A C _N S:i IN-1/1 0 , 3<id ?'M = N" dr`,-1 "t :i.it Appt. .,.,x A Summary of Groundwatter Anaivtical Res-olts f ayettevMe Wo.-*-, Plant -ayetteville, North Cofolina 6v DEQ-CFW-00044460 MlE N ;Aw i PE App,,ndix A S I ummary of Grotjridwatef, Analytical Results Fayetteville Wori s Plant Fayetteville: North Carolina "Ige *3 , . ,? 'WS DEQ-CFW-00044461 Arm x A S-..;mmary of 1:,n)m'dwater Rewit's FayptltevWe works vkmt Fayette Me, North Carolina NO3 Nldoe.:i ::z N�, lt9 of M, I�; Oi:"M IAM DEQ-CFW-00044462 Appendix A Suillrr..ary of Grosjadwater Recuits FayeqO.VWe W04-.-s Plast Favenevi'le, North Carolioa App A FAY--i"I'l end ND = Nut! d0,Ct,t .f I 5,2 0 1:2 9:vim AM DEQ-CFW-00044463 Apt: ...... < A Sumt-ciary of Groundwater Analytical RemAts FayetlevMe M` )rks riant Fayt,twvffle, North Carolina NCAC 1 /10 App A , 3rd � ; 1 J 2: '3; 0 S AM DEQ-CFW-00044464 App— A Surnmaty of Gtowidwater Ari:31yticai Results FayeMV;Nl, works Plan, to tTevi#1?, North caroitna NItAc M"WIiiO 1 �,,A Nrl-r.Pa citiX2 o VIS"XII PAI DEQ-CFW-00044465 App, . . -.x A Sun,imary of Groundwater Analytical Rc-,saflts Fayetteville W06s Plant Fayetteville; North Carolina App A FAY,GW 23., 93 M 106 AM DEQ-CFW-00044466 App,6,x A Summary of Groundwater Analytical Re5ults Fayetteville. Works Plant North Carolina NCA, A N35 nO '305AP.1 DEQ-CFW-00044467 Appe-,,.< A Surnimary of Groundwater Arialytical Results Fayetteville Works Plant Fayetteville, Nortf! caro:ina N"Ac 2AG'w 1.111 Avp A "'d Ni) 13- 't swe� 2PwO'E lj,nft P,,g� 9M 1,12i V!51201' 9:05 AM DEQ-CFW-00044468 c: i;ufS� 7ffAN£. Appat7dix A Summary of <rou«dwatee Analytical Results Oy etteville. S ori~3 Plimt Fayetteville, North Carolina ------------------- A< ......... i ............. .............................. ...........„................... _-------------------- WWW____, ................ .................------ ---- --- ----------- ...... ❑C 3 JC if y' " .r ........ _ .. t .. sj J ----------- c SU c1CiG cici; .1i7 .........w..A..11vi.: ...................... �. { f ---------- y-.._ .--------:T ----- yam....._ 315 UfjL r'c?vi '�c3ir `4c1i:. — _......... -_ ..... e 36 •_ :05 App h Fa.{. ,i�'_ ? r:�rlic da' v `--'.<-:i :r1s MN is DEQ-CFW 00044469 Appt-..-,x A Summary of Groundwater Analytical Results Fayetteville Works Plant North Carolina WACA-6W.),;O, App A 12-,:SI_ O< $ and ND. N.- d,t(,00,tst,d P,)ge `-i7•,f 11"'i 5/1a1;O 12: 406 AM, DEQ-CFW-00044470 App�odix A Surnmary of Groundwater Analytical Results F-ayette.ville. works Nam Favettvv;lle, North Carolina - Hki"'. !" 11) App A iAY S :2 ds,NU,-� AM ND3 N- wt�¢t A! —J ^M & 1 CS DEQ-CFW-00044471 Appe,,-,K A "immary of Groundwater Analytira! Results F- ".etre.vMe Works Plant F�3yetteville, North Carolina App A PAY-<M'..,--,r :,, 5-9-11A—NC2U NNndetw ,I �tmcd Nw 99 0� DEQ-CFW-00044472 Appendix A Summary of 6rourid,"teF Analytical: Results 'ayettC7vdle Works Plait Fayettevilie, Noel Caro:na "d ND , Nde,* 't Pag, 1.� SA- 9 1',- A-114 DEQ-CFW-00044473 Appk K A Sumursary of Groundwater Analytical Re,-;ults Fayetteville Works Plant Fayetteville, North C—Z'soiina NCAC.2�'N, 11110 Appe, FAY.GW..5t.—ned—, - 5�9- i2,As,.N( n, ,and Nr, - Mz at Pn'.-"ftm,2.limit page Wl,f los S"I"INU: 9:05 ANI, DEQ-CFW-00044474 App�odix A Summary of Groundwater Analytical Results Work& Plant Noflh Carolina 11,10 APT; A NI:2E, W. - '4,1 lil-leall it AM DEQ-CFW-00044475 %wym,.,3ry of FayettevWt, Works Piant F�ve'tevi�le, North Caro:ula Z-11g, AtKi. d 1�* DEQ-CFW-00044476 App-idix A S;jmmany of Grourtdweer Analyticai Results voyellev:lie wcrks Plant Fayetteviile. North Carolina DEQ-CFW-00044477 Appendix A Surnmary of Grour-idwater Analytical Res, ifts Fayetteville Works Plant Faye.ttevik:� Noith Carolina P-e I'M M ItK: DEQ-CFW-00044478 APPENDIX B SOIL ANALYTICALRESULTS DEQ-CFW 00044479 'pr ..— —x Summary of Sc Ar.�iytka: Resuk's Fayenevii:o Wmkgiant Fayett�Viile Mirth Crolwa DEQ-CFW-00044480 App—diX ti Sumr-m,lry of So:: Anaiytical Resu'.t5 �3yetwfvdl:? workPlant Fayetteville North caml;p a DEQ-CFW-00044481 Summary of S4.41 W,-,rks Plant Fayettevii"e Nort£.. DEQ-CFW-00044482 Ap,p,ndix B SUmrr..ary -,± Wl Araly'uca: Re>Wts Fayet�,evffle 'WA, P:am Favi?ftevi:le N=th Cwolii-..a 1,111.: ND - N,:-ilIv,1,1t DEQ-CFW-00044483 App—,-, 6 si;,I,�msmv of soi3 Rerolt., DEQ-CFW-00044484 A.rp,.,,rj'>., R summa"v of Soil Analytical Resuits Fayetteviile WoFk, plant N,Yetteville, Nopth Carolina DEQ-CFW-00044485 ArP—.,x B Summ8,-y of S,-A Amiyticzo INO-k cant o", I ,� -, " DEQ-CFW-00044486 App—,IN 6 of Aia:OcA Rest;:t= Faye,:C.,:e Wvks Nwnt DEQ-CFW-00044487 App,.—Y. b Swmmry :af $di AmR:yt:;,m Results. wor�s Nara Fny, . �tloAe Ficrch circa ma, DEQ-CFW-00044488 Sumunefy Fayettell;::e Reueve N;)rh DEQ-CFW-00044489 Summary of Soil Analylical Re,,wlts >avetltcmlle works Piant Fayetreville North Carolina F A -�[ - lld,a101 - 1/13 , nO NO = -No, dt— DEQ-CFW-00044490 Appendk B keskfltc fave—e,vffle W06'r, P13'a Fayette,iffle North DEQ-CFW-00044491 C'�.+,. C 4 .. n' ti � � 2 2'3 N d � � N y Ap.�,ndix 8 S-im-mary of jail AnMy-;4 Resufts �ayet�VM- "Nwi.r N,:,r-h C'3rdma DEQ-CFW-00044493 Appe:.,-,, 8 Summanj of Soil A,.aiYtinl Kesv[U, Favetteville W,,r4 Plant Nort� caroll'a v ts.t", DEQ-CFW-00044494 Alrpvririx 6 summary -.4 j011 Ar*103: R-ot� fay,ttevMe wofk, P:;; DEQ-CFW-00044495 summary of ',561 An3iy`K:a;: ResL&I Fayetteville wort,, Pam =ayo-evii)e North Carolina DEQ-CFW-00044496 Ap,i—.dix B SoTlm8,r, of Soil AnaivtilA ('vol:na DEQ-CFW-00044497 'Pp�,.—< l-, Afiaivticai Resufts North .,,rcAma DEQ-CFW-00044498 of Soi! Analpea: P.e.Ats raypttevi'le, work., P:.ar-*, Faya-+wille North Carolina -AND - N" L 10-O elou,t:,g DEQ-CFW-00044500 C) LO 'T NT C) C) Summary of Scit AnaMk-Al RP>ult- wc"rks Plant Fayettev;k North. Carolma DEQ-CFW-00044502 App,olix P 5ummary of 5M.Mniiyticai kesuiu 6ayeltevik Wvks Nant mxth Czr,-,hr.3 DEQ-CFW-00044503 Aph -,;,K B Summary cif Soi: Af:,iytival Results Work!" Piant Fayettvv;Me Ncmh C-3roiira Apt: A F>y F: W� r"IX"! DEQ-CFW-00044504 App—jix B Sum.maty of Soil Analynca.! Resuits Works Piam Fayettev:::ec Nwtin camlisi. -x:', AI: DEQ-CFW-00044505 Apq liu, Soii Fayettel,lille Favetteville. W;rtll Apn 8 w. ay:'! DEQ-CFW-00044506