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HomeMy WebLinkAboutWI0300436_Permit (Issuance)_20200623North Carolina Department of Environmental Quality — Division of Water Resources NOTIFICATION OF INTENT (NOI) TO CONSTRUCT OR OPERATE INJECTION WELLS The following are `permitted by rule" and do not require an individual permit when constructed in accordance with the rules of 15A NCAC 02C.0200. This form shall be submitted at least 2 WEEKS prior to injection. AQUIFER TEST WELLS (15A NCAC 02C .0220) These wells are used to inject uncontaminated fluid into an aquifer to determine aquifer hydraulic characteristics. IN SITU REMEDIATION (15A NCAC 02C .02251 or TRACER WELLS (15A NCAC 02C .0229): 1) Passive Injection Systems - In -well delivery systems to diffuse injectants into the subsurface. Examples include ORC socks, iSOC systems, and other gas infusion methods. 2) Small -Scale Injection Operations — Injection wells located within a land surface area not to exceed 10,000 square feet for the purpose of soil or groundwater remediation or tracer tests. An individual permit shall be required for test or treatment areas exceeding 10,000 square feet. 3) Pilot Tests - Preliminary studies conducted for the purpose of evaluating the technical feasibility of a remediation strategy in order to develop a full scale remediation plan for future implementation, and where the surface area of the injection zone wells are located within an area that does not exceed five percent of the land surface above the known extent of groundwater contamination. An individual permit shall be required to conduct more than one pilot test on any separate groundwater contaminant plume. 4) Air Injection Wells - Used to inject ambient air to enhance in -situ treatment of soil or groundwater. Print Clearly or Type Information. Illegible Submittals Will Be Returned As Incomplete. DATE: June 10, 2020 PERMIT NO. W 10300436 (to be filled in by DWR) A. WELL TYPE TO BE CONSTRUCTED OR OPERATED (1) Air Injection Well......................................Complete sections B through F, K, N (2) Aquifer Test Well.......................................Complete sections B through F, K, N (3) Passive Injection System...............................Complete sections B through F, H-N (4) Small -Scale Injection Operation ......................Complete sections B through N (5) X Pilot Test.................................................Complete sections B through N (6) Tracer Injection Well...................................Complete sections B through N B. STATUS OF WELL OWNER: Business/Organization C. WELL OWNER(S) — State name of Business/Agency, and Name and Title of person delegated authority to sign on behalf of the business or agency: Company Name Delegated Signatory Authority: Mr. Charles Chiara, Environmental Representative Mailing Address: 500 Speedway Drive City: Enon State: OH Zip Code: 45323 County: Clark Deemed Permitted GW Remediation NOI Rev. 3-1-2016 Page 1 Day Tele No.: 919-516-8069 Cell No.: 937-591-1283 EMAIL Address: cachiarakspeedway.com Fax No.: 419-420-1495 D. PROPERTY OWNER(S) (if different than well owner) Company Name PFJ Southeast LLC Mailing Address: PO Box 54710 City: Lexington State: KY Zip Code:40555-4710 County: Day Tele No.: (865) 474-2826 Cell No.: EMAIL Address: Fax No.: E. PROJECT CONTACT (Typically Environmental Engineering Firm) Name and Title: James L. Young, PG, STS / Senior Geologist Company Name Mid -Atlantic Associates, Inc. Mailing Address: 409 Rogers View Court City: Raleigh State: NC Zip Code: 27610 County: Wake Day Tele No.: (919) 250-9918 Cell No.: (919) 809-4577 EMAIL Address: jyoung(kmaaonline.com Fax No.: (919) 250-9950 F. PHYSICAL LOCATION OF WELL SITE (1) Facility Name & Address: Speedway 7971 1343 Rock Barn Road City: Conover County: Catawba Zip Code: 28613 (2) Geographic Coordinates: Latitude": 350 43' 16.15" Longitude": 81 ° 11' 21.09" Method of Collection: Google Earth Pro Software "FOR AIR INJECTION AND AQUIFER TEST WELLS ONLY: A FACILITY SITE MAP WITH PROPERTY BOUNDARIES MAY BE SUBMITTED IN LIEU OF GEOGRAPHIC COORDINATES. G. TREATMENT AREA The site is currently regulated by the North Carolina Department of Environmental Quality (NCDEQ), Division of Waste Management (DWM), Underground Storage Tank (UST) Section. The site is ranked high risk. The current groundwater cleanup goals are the removal of free product and the North Carolina Gross Contamination Levels (GCLs). Diesel fuel free product remains present on the water table at wells MW-3, MW-18, and MW-22. Dissolved -phase benzene concentrations exceed the NCGQS (NC Groundwater Quality Standards) at several wells. The "area of contaminant plume" indicated below refers to the approximate area of the diesel fuel free product plume, which is the treatment area for this pilot test. Land surface area of contaminant plume: 4,050 square feet Land surface area of inj. well network: 25 square feet (< 10,000 ft2 for small-scale injections) Percent of contaminant 3plume area to be treated: 0.6% (must be < 5% of plume for pilot test injections) Deemed Permitted GW Remediation NOI Rev. 3-1-2016 Page 2 H. INJECTION ZONE MAPS — Attach the following to the notification. Provided in Attachment A (1) Contaminant plume map(s) with isoconcentration lines that show the horizontal extent of the contaminant plume in soil and groundwater, existing and proposed monitoring wells, and existing and proposed injection wells; and (2) Cross-section(s) to the known or projected depth of contamination that show the horizontal and vertical extent of the contaminant plume in soil and groundwater, changes in lithology, existing and proposed monitoring wells, and existing and proposed injection wells. (3) Potentiometric surface map(s) indicating the rate and direction of groundwater movement, plus existing and proposed wells. I. DESCRIPTION OF PROPOSED INJECTION ACTIVITIES — Provide a brief narrative regarding the purpose, scope, and goals of the proposed injection activity. This should include the rate, volume, and duration of injection over time. Approximately 10 ft of free product remains present on the water table at well MW-3. This is despite running a dual -phase extraction system on site intermittently for a period of 2 years. In an effort to improve/expedite remediation efforts at Speedway 7971 in Conover NC (Incident #36396), a small pilot study at the site is being suggested, as follows: • Shut the treatment system off on June 30, 2020, which coincides with the end of the approved performance period. • On or approx. the following day, measure well MW-3 for depth to product (DTP) and depth to water (DTW), followed by gravity -fed injection of 100 gal of a 4% diluted mixture of EnviroCleanTM (EC-165) into this well, which exhibited over 10 ft of free product in January 2020. • On this same day (approx. July 1), the contents inside the external equalization (EQ) tank that cannot flow by gravity will be manually pumped into the oil/water separator (OWS) and processed through the system, after which it will be disconnected from the OWS. This will leave us with an empty tank capable of storing approx. 1,500 gal of liquid. The high level alarm float will remain in the EQ tank so that it can trigger automatic shutdown of the treatment system. • On approximately July 15, return to the site to re -measure DTP and DTW, and restart the system, but only have it pull from Bank 4, which has 2 extraction wells (DRW-7 and DRW-8) near well MW-3. Run the system until the EQ tank is full, which should take about 2 days or less. • The following week (approx. July 22), return to the site to re -measure DTP and DTW in well MW- 3 and inspect the contents within the EQ tank to determine if the contents could be processed through the treatment system or would need to be removed via vacuum truck. If deemed necessary, collect a sample of the contents in the EQ tank and submit for lab testing. The pilot study described above is intended to determine if surfactant injection events could be used to "loosen" product thought to be adhering tightly to soils. EnviroCleanTM EC-165 is a widely -used surfactant which has been used at other sites for this type of use case, and falls under the permit -by -rule injection permit category. J. APPROVED INJECTANTS — Provide a MSDS for each injectant. Attach additional sheets if necessary. Provided in Attachment B NOTE: Only injectants approved by the NC Division of Public Health, Department of Health and Human Services can be injected. Approved injectants can be found online at h!W:Hdeq.nc.gov/about/divisions/water- resources/water-resources-Dermits/wastewater-branch/eround-water-Drotection/around-water-aDDroved-ini ectants. All other substances must be reviewed by the DHHS prior to use. Contact the UIC Program for more info (919 807-6496). Injectant: EnviroClean EC-165 Volume of injectant: Concentration at point of injection: 4% Deemed Permitted GW Remediation NOI Rev. 3-1-2016 Page 3 Percent if in a mixture with other injectants: K, WELL CONSTRUCTION DATA Provided in Attachment C (1) Number of injection wells: 0 Proposed 1 Existing (provide GW-ls) (2) For Proposed wells or Existing wells not having GW-1 s, provide well construction details for each injection well in a diagram or table format. A single diagram or line in a table can be used for multiple wells with the same construction details. Well construction details shall include the following (indicate if construction is proposed or as -built): (a) Well type as permanent, Geoprobe/DPT, or subsurface distribution infiltration gallery (b) Depth below land surface of casing, each grout type and depth, screen, and sand pack (c) Well contractor name and certification number L. SCHEDULES — Briefly describe the schedule for well construction and injection activities. Only existing well MW-3 will be used for injection (none are proposed). The injection event is currently scheduled for the week of July 1, 2020, followed by operation of the existing DPE treatment system within 2 weeks after the injection event. The surfactant injection will take approximately 4 hours for completion and the treatment system is expected to run for approximately 40 hours. Free product gauging and well sampling will be conducted approximately two to four weeks following completion of the treatment system operation. M. MONITORING PLAN — Describe below or in separate attachment a monitoring plan to be used to determine if violations of groundwater quality standards specified in Subchapter 02L result from the injection activity. The site is currently regulated by the NCDEQ DWM UST Section. Sampling of 22 site monitoring wells is performed on a 6-month schedule with results reported to the UST Section. Please note that EnviroClean is a proprietary blend of water -based, biodegradable surfactants that was specifically engineered as a cleanup/ mitigation agent and vapor suppressant for use on a wide range of hydrocarbon products. EnviroClean, in and of itself, does not cause or catalyze specific chemical reactions, nor does it contain any bacteria cultures. The basic principle of EnviroClean is to emulsify and encapsulate hydrocarbon particles. As such, the injection activity is not anticipated to result in violations of the NCGQS for additional compounds other than those already noted from the previous gasoline and diesel fuel releases releases. N. SIGNATURE OF APPLICANT AND PROPERTY OWNER APPLICANT: `I hereby certify, under penalty of law, that I am familiar with the information submitted in this document and all attachments thereto and that, based on my inquiry of those individuals immediately responsible for obtaining said information, I believe that the information is true, accurate and complete. I am aware that there are significant penalties, including the possibility of fines and imprisonment, for submitting false information. I agree to construct, operate, maintain, repair, and if applicable, abandon the injection well and all related appurtenances in accordance with the 1 SA NCAC 02C 0200 Rules. " Charles Chiara, Env. Representative Signature of Applicant Print or Type Full Name and Title PROPERTY OWNER (if the property is not owned by the permit applicant): "As owner of the property on which the injection well(s) are to be constructed and operated, I hereby consent to allow the applicant to construct each injection well as outlined in this application and agree that it shall be the responsibility of the applicant to ensure that the injection wells) conform to the Well Construction Standards (1 SA NCAC 02C . 0200). " Deemed Permitted GW Remediation NOI Rev. 3-1-2016 Page 4 "Owner" means any person who holds the fee or other property rights in the well being constructed. A well is real property and its construction on land shall be deemed to vest ownership in the land owner, in the absence of contrary agreement in writing. Signature* of Property Owner (if different from applicant) Print or Type Full Name and Title *An access agreement between the applicant and property owner may be submitted in lieu of a signature on this form. Submit the completed notification package to: DWR — UIC Program 1636 Mail Service Center Raleigh, NC 27699-1636 Telephone: (919) 807-6464 Deemed Permitted GW Remediation NOI Rev. 3-1-2016 Page 5 ATTACHMENT A DRAWINGS Deemed Permitted GW Remediation NOI Rev. 3-1-2016 Page 6 N REFERENCES: 1. NEWTON, NC DIGITAL RASTER GRAPHIC FILE, US GEOLOGICAL SURVEY. SCANNED FROM 1:24,000-SCALE USGS TOPOGRAPHIC MAP: NEWTON, NC, 1993. 2. INSET MAP DIGITAL DATA FROM 2002 NATIONAL TRANSPORTATION ATLAS, BUREAU OF TRANSPORTATION STATISTICS, WASHINGTON, D.C. 3. SUBJECT SITE PROPERTY BOUNDARY DATA FROM CATAWBA COUNTY GIS. Mid Atlantic Engineering & Environmental Solutions 1 TOPOGRAPHIC SITE MAP SPEEDWAY 7971 1343 ROCKBARN ROAD CONOVER, NORTH CAROLINA SCALE: 1:12,000 500 1,000 DRAWN BY: RDC DRAFT CHECK: ENG. CHECK: APPROVAL: � Feet 2,000 DATE: JANUARY 2018 JOB NO: OOOR1915.52 GIS NO: 06G-R1915.52-1 DWG NO: 1.1 c rnLoLn N � O N c L N 0 SPEEDWAY 7971 O ASPHALT O I Q O O m O U TRUCK PARKING O O U O la MW-20 Y Y U U W W 2 = U U Z_ W � � Z 0 �SP Q .. Q .. c9 .. 0- 3 BMW-6 o� om om wm IL S ° \ o �o S MW-4 �° �� FORMERPUMP AND P GP'Q�o� fa MW-21 ° ° \ DISPENSER /o o SP o < �o / m laMW-19 s ° ° / / \ ° ENTRANCE Q ° ° a A ,o UNDERGROUND Z Q MW-18 J MW-26 �/ °� o ° , , ' a o MW-23R o� `4 ELECTRICAL LINES O 00 / O 10,000-GALLON ,te �SP o/ ° PREMIUM GASOLINE I y �/ � Q I� Q sa / ° `° UST oZ ° �/ MW-12 ♦ 0 O r- U � eMW-330 ° °° �°�- o ♦ Z J Q H MW-27 SS o° CONCRETE e MW-22 OS�yGP o� o\MAW-16APRON° MW-9� ®MW-10D O - w Q m O (\ ♦ U S� °/ o ° ° CONCRETE �o >' MW 7 ♦ (n U W p D U o ' • • • o APRON °\a ° z Lv S °� • •BMW-28 a \o PUMP \o•\ -t p Z G • ° ° MW-24 /�MW-25 � ° ---o CONTAINMENT o n /VE-OW-2jaMW-11D ♦ '( 0 Z g ° S+ p _ o ° • ° • n MW-17 \ ° SUMP o i °° �\ ♦ z O o/ MW-2� (GASOLINE \ \ cal G / / O U Q .p d, ° . c \o ,RELEASE POINT) MW-15 �n \\�\ \\ la MW-1 6 Pe\� � �_ \ \ \\ \ \ \ \\ \ \ LANDSCAPED V Ld °' ♦ \ °\ ��\%v MW-5 ° • 20,000-GALLON \ b \\vi ° // AREA 0P0 DIESEL USTs i L R 1 o (n ° 9 Q5MW-8 \v� ♦ �R C �, CD //� R0� a VENT PIPES / Ird E z ASPHALT BMW-13 ♦ '� ° � ♦ 12,000-GALLON > Q / REGULAR GASOLINE w U I / UST et{ to Q s ♦ m ♦ a a LEGEND / ` Q t* Q Q5 MW-1 MONITORING WELL LOCATION ENTRANCE Lu U MW-25 MONITORING WELL LOCATION FOR THE ASSESSMENT AND RECOVERY OF FREE RODUCT ♦ W ® MW-1 OD DEEP MONITORING WELL LOCATION (TYPE III) / U [0VE-OW-1 VAPOR EXTRACTION PILOT TEST WELL LOCATION •SP WATER SPIGOT Ld LIGHT POLE O FIRE HYDRANT ♦ 0 30' ' `' •••, W —o—o—o— UST PRODUCT LINES S S SEWER LINE LL- E—E—ELECTRICAL LINES T T TELEPHONE LINE Ld PROPERTY BOUNDARY w w WATER LINE SCALE: 1"= 30' MW-21 (ND) MW-26 (NM) fa MW-23R / (ND) MW-22 (5.54') MW-25 (NM) d MW-24 TRUCK PARKING la MW-20 (ND) i • ° 5 J < s 0 MW-4 / ( ND) �i ° MW-18 s (0.63') SP o ° ' ,a saMW-19 /j o/A ,A. • MW-27 (ND) O`' A. s (NM) s// °/ Q ° led °•� / IQJ� a d SPEEDWAY 7971 OMW-6 0 0/ (ND) oo/ \c FORMER PUMP c�0\'\Q l // \ ISLAND AND GP r\O s OQR , ° d 10,000—GALLON o" SP / GPI °• PREMIUM GASOLINE o <.V d . UST S o 5c� O\F'a d A MW-3 ' (10.13'), CONCRETE O MW-10D APRON° MW-9Q5 (ND) SP / °o�o MW-16 (ND) / (ND) CONCRETE / o APRON ° / MW-28 d \ / ° (NM) • \o PUMP \o CONTAINMENT — A ° d, • \ SUMP °• (ND)7 MW-20°\0 (GASOLINE < ° r (ND) \AELE SE POINT) °\ ° o \ • MW-14-- (ND) ASPHALT LEGEND 46 MW-1 MONITORING WELL LOCATION MONITORING WELL LOCATION FOR THE ASSESSMENT AND RECOVERY OF FREE PRODUCT ® MW-10D DEEP MONITORING WELL LOCATION (TYPE III) 4BMW-13 (NM) ® VE—OW-1 VAPOR EXTRACTION PILOT TEST WELL LOCATION •SP WATER SPIGOT LIGHT POLE O FIRE HYDRANT —0-0-0- UST PRODUCT LINES S s SEWER LINE E E ELECTRICAL LINES T T TELEPHONE LINE PROPERTY BOUNDARY w w WATER LINE e a d OLLL\ 0 ° / < 0 o oO\ e o 0 ° .\ o° 0 MW-15 (NM) 20,000—GALLON DIESEL USTs la MW-8 (ND) VENT PIPES -- ENTRANCE / / v: \ v R G �% o�/Jo UNDERGROUND /d/ ELECTRICAL LINES o may/ /0 0� M(2 (NM) r 1; 4-0 VE—OW-2 O (MNW-7 / /T O MW-1 1 D / / s/t (ND) / MW-1 JR MW-5 / �pNDSCAPED AND))< AREA 0 P0 " 12,000—GALLON REGULAR GASOLINE UST (NM) NOT MEASURED (ND) NOT DETECTED (3.69') APPARENT FREE PRODUCT THICKNESS AT LOCATION (FT.) ESTIMATED LATERAL EXTENT OF FREE PRODUCT RGG� ASPHALT ENTRANCE 1-3 0 30, SCALE: 1 "= 30' 0 Lo 00 0L6 I cV I� of Q O 0 z 0 j Q o O 0 Z � Z U 0 O0 U Y Y U U w w 2 = U U Z Of Lv LLJ w > z 0 z m� om om wm Qm D_ Q Q � Z (n O 00 W cV Z O r- Q YCVOZU U D_ _ mOf Y 0 Df Z � Q UO 0 :D bi a- -t 0 r)z w-0 0_ U LL U_ H Z g Q I W H U) m W (n CD 0 U Q m Q Q U W U Z W Of W Li W Of TRUCK PARKING ? N Q5 MW-20 \ .? ? (65.6) \ \ I \ 1 <\ ASPHALT < � � MW-6 ° (ND) X ° I \ I o/ FORMER PUMP c�0\\Ql o/ 1 1 �s �aMW° -I4 /° / a /• /, a� <, ` �\` ISLAND AND G MW-21 MW-19 1.0 J (N/, 1.0 DISPENSER PG 1.0 (36.0) aSP°(.) 10 ° � Pa�O o ENTRANCE 1,000\100 ° °-10- °Q MW-18 �.o UNDERGROUND V_26(FP) OoELECTRICAL LINES 1 Sq MW-1210,000-GALLO4 MW-23R � �(NS)d(0.788J) o ' o o 100 --PREMIUM GASOLINE \ 1 I MW-27 p�' MW-�3 �/ Q — •h �<\ V, CONCRETE(FP)o APRON° OMW-10D o 2 C3 o MW-16 (ND) M ��SP �" e)I(MW-9 o1 \� \ ( W �7(FP) 1206CRETE ND ° o 1,000 APRON o\4e 1.0 MW24 0iMW-28 a \PUMP \/ \1 \CO AINMENT on n (ND) ° MW-11D • °' a. SID MW-17 P(ND) ' (ND) MW-2 o�G pN ° SSE�P0INT) o • E A () MW-15 n � \�\G ♦ ♦ �/ O / y� MW-1 .� (2,170) \ \ S-5 �A APED n. n + \ ♦ AREA ° OPT 20,000-GALLON a 00 000 R a, •e r9, DIESEL USTs nk MW-8 I ' (ND) / ♦�/ ° VENT PIPES ASPHALT 4BMW_13 ♦ �/ Q° , LEGEND la MW-1 MONITORING WELL LOCATION se MW-25 MONITORING WELL LOCATION FOR THE ASSESSMENT AND RECOVERY OF FREE PRODUCT O MW-10D DEEP MONITORING WELL LOCATION (TYPE III) ® VE-OW-2 VAPOR EXTRACTION PILOT TEST WELL LOCATION •SP WATER SPIGOT LIGHT POLE O FIRE HYDRANT — o — o — o — UST PRODUCT LINES s s SEWER LINE E E ELECTRICAL LINES T T TELEPHONE LINE PROPERTY BOUNDARY w w WATER LINE ENTRANCE / 4-0 00 \ 12,000-GALLON REGULAR GASOLINE UST (NS) NOT SAMPLED (FP) FREE PRODUCT (ND) NOT DETECTED AT OR ABOVE LABORATORY'S METHOD DETECTION LIMIT J ESTIMATED ONCENTRATION (36.0) BENZENE CONCENTRATION AT LOCATION (ug/L) — — — — — 1.0 ESTIMATED BENZENE ISOCONCENTRATION CONTOUR FOR THE N.C. GROUNDWATER QUALITY STANDARD (ug/L) RGGY, NOTE: GROUNDWATER SAMPLE FROM REPLACEMENT MONITORING WELL MW-23R COLLECTED ON OCTOBER 29, 2018 0 30' SCALE: 1 "= 30' O 00 00 N U7 Lo O L I N r O O 0 L N Q O m O a, m I Ld u- O O Z � Z O U 0 -D Y Y U U w w UCD U 4' o Z LLJ w > Z fr Q .. Q .. �r Z� d� Om Om Wm Qm D_ < Q O Z Q J QONOfD_ D_D_OQ F-- C.DN G)ZU 0_ Ld U p m O Q 0 U OZ O=QLw0 (n c") 3 W D_ 0= Z Z m W L Q �t O Ld a z `zo W U N W m Vc 0 o v E c c w 06 �o c c w U_ Z g Q I LA w U) m W (n C� Z O U Q m Q Q U W U Z W W LL- W O 00 00 CD L6 I N 07 O N SPEEDWAY 7971 CD 0-) ASPHALT Q O O Ld Z � Z U TRUCK PARKINGlb O O U 0 `o MW-20 y Y (68.29') w w U U Lx '\ h PGPpy �> w < LLJ O G z 0 MW-4 SP Q .. Q (71.55') �(MW-6) 0 M 0 M z wM a M s \ 7472 i • om om m Qm FOR PUMP NO AND MW-21 s/ ° e° \ DISPENSER (67.56') SP MW-19 s (70.57') �+ / A. • / UNDERGROUND ENTRANCE Q MW-26 MW-18 /s / i Q \`���OS °.° ° ° ° ELECTRICAL LINES J Q J (NM (FP) s / QJ� 10,000-GALLON a i Q I N 0_ MW-23R "SP %/ �pQy� PREMIUM GASOLINE °/Q5 MW-12 QO cy) UDN Z ° UST (NM) Of Of + ° m(FP) .4 MW-27 �_ (NM) / / �. ° MW-9 � ® D ° 1 j % 81• Y �O MW-22 s SP % / a �s (75.88) �� �• m / O O 0' 0 U Z ° •. (Fp) /s/ /• ° �<. MW-16 \•'. MW-7 I W = Q W O % �Z� s / • . ° • \ (73.17') CONCRETE APRON \\'\A. ° n (76.64') I Q O Z W °� a MW-25 i • (NM) • �,\ PUMP .\ VE-OW-2 O ° MW-24 /� �(NM)� ° '�, CONTAINMENT ^`e (FP) ® ®MW-11 D �7' gS�Q��G t W n O (71.70') SP %% •°• MW-17 �'�, (G INE MW-1 i (73.48') MW-2 �•�. \ \ SE POINT (FP) RON . a e / 9' t • °' dl 1 (Ld 78 08')4 \�\ \ �\\\ �t LANDSCAPEDRO��(� V ` AREA0 n v •� �9. N� 3 0 / MW-5 Ln (n ° v < (80.70) _ CD MW-8 / r I 20,000-GALLON (78'97) / VENT PIPES /s r DIESEL USTs ° MW-13 /� o ♦ (NM) t 12,000-GALLON > O ♦ I REGULAR GASOLINE w U /ASPHALT i UST 05 Q -v v Q LEGEND E MW-1 MONITORING WELL LOCATION ENTRANCE / w U MW-25 MONITORING WELL LOCATION FOR THE ASSESSMENT AND RECOVERY OF FREE PRODUCT W O MW-10D DEEP MONITORING WELL LOCATION (TYPE III) z ® VE-OW-1 VAPOR EXTRACTION PILOT TEST WELL LOCATION •SP WATER SPIGOT (FP) FREE PRODUCT PRESENT IN WELL; MEASUREMENT NOT USED IN CONTOURS Ld LIGHT POLE O FIRE HYDRANT (78.08') GROUNDWATER ELEVATION (AT LOCATION) 0 30' Ld UST PRODUCT LINES —sss— SEWER LINE GROUNDWATER FLOW DIRECTION —TTT— TELEPHONE LINE Ld —eEe— ELECTRICAL LINES 78' ESTIMATED WATER TABLE CONTOUR SCALE: 1"= 30' � PROPERTY BOUNDARY —wWw— WATER LINE CONNECT TO EXISTING / STORM SEWN, 25' x / SYSTEM FENCINGNG WITH 12' GATE TRUCK PARKING MW-20 s � MW-21 � /s W N ✓ s j•+�SP 0f" s J •�°. MI MW- 0 OMW-23 _ aDRWS 0r' s� /•V �/ iSP �,i 1 .. 50 Via.. 10,000-Q PREMIUM G) '•. s o; UST \ �a�� ...•<'..: • 0'" DRW3 MW 27 S W MW_3f.�• .'. �.:CONCRETE: . ' MW-10D ��.�� "PRON': MPo .. MI .. _22 g 6P �DRWa•' e•.. CONCRETE CONCRETE ... • s J RW MI �• • .�• •aa.,''• �ti GRW6 PUMP ., • M -24 CONTAINMENT .. •. DRW2 p � i••`i .. MW-17 '� •' MW-20 \��•.[jELEASE SUMP (GASOLINE %MW_Y8 POINT) MW. .^GRW4 W • •�..; . y :. i 20,000-GALLON DIESEL USTS 24" TRAFFIC RATED (H-20) VAULT SPEEDWAY #7971 .ON )LINE , ASPHALT f)MW-6 FORMER PUMP �Glr;1061 Irsvcor.tro / ENTRANCE �✓l UNDERGROUND i LECTRICAL LINES / i •f� j MW-12 I I I / 4DMW-7 I _ zpl �p 20MW-11D VE 10 Ge GRW2 VE-OW-1 a W-1 ®/INACTIVE AS/SVE VEIm -1 /c REMSYEDDTEM N .'�RW � 1� `9. IaMW-8 .. �.... - VENT PIPES'\�r \ ASPHALT faMW-13 �, I/ LEGEND 0 MW-1 MONITORING WELL LOCATION EMW-10D DEEP MONITORING WELL LOCATION (TYPE III) •• I ® VE-OW-1 VAPOR EXTRACTION PILOT TEST WELL LOCATION �`(• -•-•-•-•-•-•-•- LIGHT POLE UST PRODUCT LINES •SP WATER SPIGOT / ENTRANCE —s—s—E— ELECTRICAL LINES O FIRE HYDRANT — - - PROPERTY BOUNDARY —s—s—:— SEWER LINE REMEDIAL SYSTEM UNDERGROUND UTILITY TRENCH—T—T—T— TELEPHONE LINE / —v—v—v— WATER LINE AREA RpP,O -12,000-GALLON REGULAR GASOLINE UST 0 40' SCALE: 1 "= 40' Q U rn O w 04 0' Lc) _ J O Z) O O O Z Z Oo U Y Y U U LLJ LJ 2 = U U 0_ LLI Z W > tz _Z �} �} Z} a} �m 0m Wm I Qm Q J � af In p�p�W �U ci)r0mF-- 2 J v z �LLJ O (n LLJ of Q J LLJ N 'tO LLI a_ O -O U U_ Z g Q LLJ N m LLJ in C� O U Q m a U LLJ U Z LLJ LLJ LL LLJ LEGEND 00 0 MW-1 MONITORING WELL LOCATION 00 O O 0 MW-10D DEEP MONITORING WELL LOCATION (TYPE III) N • SB-1 SOIL BORING LOCATION (MARCH 200B) CD OGP-1 GEOPROBE BORING LOCATION (AUGUST 2008) J - O LL_ m FP-1 FREE PRODUCT PROBES - N m � U� E LIGHT POLE WILCOHE55 LLJ O Q7 -• - UST PRODUCT LINES —E—E—c— ELECTRICAL LINES (OVERHEAD) N381 STORE ASPHALT 0- O PROPERTY BOUNDARY LJ CD �► ESTIMATED GROUNDWATER FLOW DIRECTION to z � O A A' CROSS-SECTION LOCATION W TRUCK 0 < 3: PARKING O U O Y Y U W W = = U U A Z w > Z O Z DGP-33 <•• <•• O,• a.• MW-6 i! om am wm ¢m DGP-32 MW-4 �• G %!i DGP-31 % FORMER i PUMP ISLAND / �. Z h•/• DGP=38 AND DISPENSERS ENTRANCE /% Q DGP-30 O O Z Q ii. / U �aOS DGP .:77 10,000-GALLON / / / p[ � DGP-29 \c�V' i / .�. PREMIUM GASOLINE • . I /COY /� cr)0_ M Q DGP-40 T1Ch 36 UST i!% c I Q�Z U pJ/ �y.�, / UNDERGROUND _ DGP-28 OQyI 0MW-(i SG/ .�'�•�: ELECTRICAL LINES In Z U) m I- GqS\ /.�i - CONCRETE " MW-10D -'! �- / O ElfO of OGP-39 � ` .ter DGP-35 APRON : MW-9 " :/ N 4 ... • GP-169 MW-7 c% U ¢ U Z DGP-27 i.� GP-16 6 / U U U O LLI O �i DGP 34 \ CONCRETE \\.1, GP-15 �' _j J_ Of W U_ / \ APRON \\ A GP-17B cO 3r n > F PUMP \..� / J It O Za CONTAINMENT 'n / O Z J i \•\•�• SUMP F GP-17 / O Q DGP-41 MW- \ (RELEASE POINT) GP-26 ��;\ ® _1 t/ j - U MW-1 a 8 DGP-42 �•�\ /n \`\ \ \ \ DGP-18 LU l• GP-24 \ LANDSCAPED V p W 20,000-GALLON \ � \;\v !P-1 AREA DpU Z3 DIESEL USfs a\ i , /� BpP� R U. a GP-23 W-8 v GP-ZZZZZZ00000O A' ♦ C FP- VENT PIPES RD W ♦ / H y Z ASPHALT P-22GP-21I �I 12,000-GALLON �I py REGULAR GASOLINE �` w �1 O ♦ c c/ UST L V § Q ♦ rA a LTITRANGFt/ � U W 0® p W SCALE: 1"= 30' W Elf C9-C22 STGW MSCC ISOPLETH (34 mg/kg) 110' 50' LEGEND SCREENED INTERVAL — �— — — — WATER LEVEL B/13/OB UNLESS NOTED M/C MEDIUM TO COARSE SAND A SILTY CLAY [CL] OR [CH] B SUGHTLY TO MODERATELY CLAYEY SILT, MICACEOUS [ML] DIESEL FUEL c rmi I 3 n I � I TOC= 100.67' n A I C9-CZ2 MSCC 0 o CONCRETE CONCRETE m I I O1 I� TOG- S I ASPHALT tO GRASS I �:'104.19 ASPHALT TOC= TOG= a TOC= 99.87' 99.61, 100.0' A A A D B IND B B JN< A 1ND TD=20' TD=20' _s '3[ 1 MW-9 WATER TD=36' TO =40 IC5-CB OTHERSI <2L MW-4 WATER (60-68') INS PE) 0.0056 N�VPm 056N0 8 9' ND 1ND,^,. NDJ TD 25' 9 S (8/14/08) MI—i WATER "'—" TD=38, B 3. 540 NOT SAMPLED AUGUST 200E E I Z.bUU (ND IN MAY 2008) B WITH QUARTZ AND GNEISS FRAGMENTS 68'=BLOW COUNTS>50 OVER 5 INCHES WHITE AND BLACK SILT tt WEATHERED BROWN, MICACEOUS (SAPROLITE/, [ML] 77'=VERY HARD DRILLING B0.5' AUGER REFUSAL (BEDROCK) M/C SAND AND FINE GRAVEL FROM kSUSPECT GNEISS OR GRANITE [SW] I MW-10D WATER I NOTE DATA LEGEND o-ocr.nnir nnurrurnemnu CONTA ETHER C9-C22=C9-C22 mg/L=MILLGRAMS PER LITER (WATER) CONCENTRATION mg/k9=MILLIGRAMS PER KILOGRAM (SOIL) B=0.01• CONTAMINANT IN SOIL (mg/kg) z 70' 50' 0 30, HORIZONTAL SCALE. 1'= 30' oU) Z Q W < z OZ F--LL'10_< U a � o U [f) >Ln ED 1 O W V) GOOf n LQo UZ O U O W U Z ) UZ �O U —O J U O Z = U ~ U J o m o m s s , �IIII�IIIIIIIIII1111�1111�1111�1111� m m e o � L-MN °n o 0 a w to o ro I I c O Z U Z Z a I m N IN U K w �1N �d 891-d8 O � 1 3 z arn 9l-dJ o w m m ao SL-dJ m .n p�.•. ? TLw cYi 3 riU U WO II `,'�'.I w wz WU 4 om ���'. U 3� zm �m00 w W m m oy 0 U O A i� m oW� 3 F I - 0 s 0�Mm IM K iEm O� m I am woo ZJ z m m t 6 I in U N m J Q It ¢ m .mm 3 33 nm�N UZ Um 80l-MW o m I m o m 0 00 � B-MW Um n J m Z cr rq QZ U �O v < U E 3 ov V)Lu >�m� vri`m-' I m m m o 1 w O W lnm=YO 3 I W p¢0O _ am < \ oil i m o �I—J�Lj w U Ilo'. m m o µ ._. U¢3 d-0 12 m p I 3 v OO Q U d4-dJ8 II O Z r w u O J U zo m 0 F m m W \ J m Z Z m= 3 my m O m m (I m (133d) NOI1tlA373 3/�LLV'1321 z z 0 y o o s 0 m z W ¢ games \ 8 m ow ¢ u U K w D w 3 N s>€ m i 3 m z ¢ m w z w a o L U O d 0=0 twuj w waa z w 1 !n m mm� Fwmo�ow� d V] I < m m wmoolo] o m A Q -C xixH, � I mmzzEm � II II 11 II II II tii U w 1 z mozz rn o y C Z w o E E m ~ \®\ ?>d /! ° f k » a Qa NOLVAT133MMI \ \ \ / 0 g k / § \ § \ \ � \ \\( 2) @ % / § (� | \ � /5 Ld \ �70 ! \ / \)\° oz y= zggyD \(\\ C) } (n\V)\\\ � \+)\/Z yzy 2 § o&»n9 ) 2/ -c 2§ , o o$ « e \C) .� ATTACHMENT B INJECTANT INFO Deemed Permitted GW Remediation NOI Rev. 3-1-2016 Page 7 ENVIRO�CU SAFETY DATA SHEET SECTION 1 MATERIAL IDENTIFICATION PRODUCT NAME / DESCRIPTION: EnviroClean DISTRIBUTED / MANUFACTURED BY: ENVIRO CLEAN PRODUCTS & SERVICES DATE: 05/18/2015 PO BOX 721090 PHONE: (405) 373-4545 OKLAHOMA CITY, OK 73172 EMERGENCY PHONE: (800) 255-3924 FUNCTION: Industrial Cleaner and Remediation Agent SECTION 2 HAZARD IDENTIFICATION CLASSIFICATION: Acute Toxicity- Oral Category 4 Skin Corrosion/Irritation Category 3 Eye Damage/Irritation Category 2B Target Organ Specific Toxicity: Single I Category 3 Target Organ Specific Toxicity: Chronic I Category 2 SIGNAL WORD: WARNING! HAZARD STATEMENTS: Harmful if swallowed Causes mild skin irritation Causes eye irritation May cause respiratory irritation May cause damage to organs through prolonged or repeated exposure > <s !Rr"04 PRECAUTIONARY STATEMENTS: Obtain special instructions before use Do not handle until all safety precautions have been read and understood Use personal protective equipment as required Avoid breathing dust/fume/gas/mist/vapors/spray Use only outdoors or in a well ventilated area Wash all exposed skin thoroughly after handling Avoid release to the environment ENVIRO�CU Store in a well ventilated place TOXICITY INFO: See Section 11. SECTION 3 HEALTH HAZARDS CHEMICAL NAME (Proprietary Formula) %WIW CAS NUMBER Proprietary Blend of Ethoxylated Octylphenolic Surfactants Non-ionic water based liquid blend, concentrate This product does not contain any hazardous ingredients as defined by CERCLA and California's Prop. 65. SECTION 4 Potential acute health effects: FIRST AID Eyes: May cause irritation with redness and pain. Skin: May cause irritation with redness and pain. Inhalation: Inhalation may cause irritation. Ingestion: Ingestion may cause severe irritation, corrosion/ulceration, nausea, and vomiting. Medical Conditions Aggravated by Exposure: None known. Eye Contact: In case of contact, immediately flush eyes with cool running water. Lift and separate eyelids while flushing with plenty of water for at least 15 minutes. Get medical attention. Skin Contact: Wash with soap and water. Get medical attention if irritation occurs. Wash clothing before reuse. Destroy contaminated shoes. Inhalation: Remove victim to fresh air and keep at rest in a position confortable for breathing. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Seek medical attention if symptoms develop. Ingestion: Do NOT induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an unconscious person. If large quantities of this material are swallowed, call a physician immediately. Give plenty of water. SECTION 5 FIRE FIGHTING MEASURES Fire Hazard Classification (OSHA/NFPA): 0 Extinguishing Media: As required for fire being fought. Special Fire Fighting Procedures: Use self-contained breathing apparatus. Hazardous combustion products: No known. ENVIRO�CU SECTION 6 ACCIDENTAL RELEASE MEASURES Personal Precautions, PPE, and Emergency Procedures: Wear protective clothing as described in Section 8 of this safety data sheet. Containment Procedures: Stop the flow of material, if this is without risk. Wear appropriate protective equipment and clothing during clean-up. Do not allow the spilled product to enter public drainage system or open water courses. Clean -Up Procedures: Sweep up or gather material and place in appropriate container for disposal. Wash spill area thoroughly. Wear appropriate protective equipment during cleanup. Dispose of collected material according to regulations. SECTION 7 HANDLING AND STORAGE Handling: Avoid contact with eyes, skin and clothing. Do not take internally. For industrial use only. Wash after handling. Don't breathe dust, vapor, or gas. Keep this and all chemicals out of reach of children. Storage: Keep away from heat, sparks, and open flames. Prevent spills. Keep container tightly closed and in a cool, well -ventilated place away from incompatible materials. Empty product containers may contain product residue, do not reuse. SECTION 8 PERSONAL PROTECTION / EXPOSURE CONTROLS Ventilation System: Always keep exposure below permissible exposure limits. In general, dilution ventilation is a satisfactory health hazard control for this substance. However, if conditions of use create discomfort to the worker, a local exhaust system should be considered. Airborne Exposure Limits: None Established. Personal Protection: As prescribed in the OSHA Standard for Personal Protective Equipment (29 CFR 1920.132), employers must perform a Hazard Assessment of all workplaces to determine the need for, and selection of, proper protective equipment for each task performed. Eyes: Wear face shield, safety glasses, or chemical goggles. Hands & Skin: For prolonged or repeated handling, use impervious gloves. Gloves should be tested to determine suitability for prolonged contact. Use of impervious apron and boots are recommended. Respiratory: If ventilation is not sufficient appropriate NIOSH/MSHA respiratory protection must be provided. Work Practices: Eye wash fountain and emergency showers are recommended. SECTION 9 TYPICAL PHYSICAL AND CHEMICAL PROPERTIES Physical Form: Liquid Color: Red ENVIRO�CU Odor: Wintergreen Odor Threshold: NE pH: 8.5+/-0.5 Boiling Point: NE Melting Point: N/A Flash Point: >200 deg F Evaporation Rate (Butylacetate = 1) NE Flammability: Non -Flammable UEL: NE LEL: NE Vapor Pressure: NE Vapor Density: NE Specific Gravity (Water =1): 1.03 +/- .05 Solubility Water: Complete Partition Coefficient: NE Auto -ignition Temperature: NE Decomposition Temperature: NE Viscosity (CPS): NE SECTION 10 STABILITY AND REACTIVITY Stability: This product is stable under normal temperatures and pressures. Incompatibility: Strong Oxidizers and strong acids. Decomposition Products: No Known hazardous products. Conditions to Avoid: Sparks/flames/high heat. SECTION 11 TOXICOLOGICAL PROPERTIES Raw Material Test Result Route Species N/A See Section 4 for symptoms. CARCINOGENICITY: No known carcinogens, mutagens, or reproductively toxic ingredients SECTION 12 ECOLOGICAL INFORMATION Raw Material Test Result Time Species N/A PERSISTENCE & DEGRADABILITY: NE ENVIRO�CU BIOACCUMULATION: NE MOBILITY NE SECTION 13 DISPOSAL CONSIDERATIONS Whatever cannot be saved for recovery or recycling should be managed in an appropriate and approved waste disposal facility. Processing, use, or contamination of this product may change the waste management options. State and local disposal regulations may differ from federal disposal regulations. Dispose container and unused contents in accordance with federal, state, and local requirements. SECTION 14 TRANSPORT INFORMATION Not Regulated by DOT or IATA. SECTION 15 REGULATORY INFORMATION US FEDERAL REGULATIONS SARA (SUPERFUND AMENDMENTS AND REAUTHORIZATION ACT): SARA 302 EXTREMELY HAZARDOUS SUBSTANCES LIST: NA SARA 312 HAZARD CATEGORY: SARA 313 TOXIC CHEMICALS LIST: M NA CERCLA (COMPREHENSIVE ENVIRONMENTAL RESPONSE. COMPENSATION AND LIABILITY ACT): NA RCRA (RESOURCE CONSERVATION AND RECOVERY ACT) LISTED HAZARDOUS WASTES: NA CWA (CLEAN WATER ACT) LISTED SUBSTANCES: NA FDA (FOOD AND DRUG ADMINISTRATION): NA TOXIC SUBSTANCES CONTROL ACT (TSCA): NA IATA: NA ENVIRO�CLEAN NFPA HAZARD INFORMATION SIGN 101 4 - DEADLY 3 - EXTREME DANGER 2 - HAZARDOUS 1 - SLIGHTLY HAZARDOUS 0 - NORMAL MATERIAL [0] FLASH POINTS: 4 - BELOW 73 F 3 -BELOW 100 F 2 - BELOW 200 F 1 - ABOVE 200 F 0 - WILL NOT BURN [01 REACTIVITY HAZARD (YELLOW DIAMOND) 4 - MAY DETONATE 3 - SHOCK AND HEAT MAY DETONATE 2 - VIOLENT CHEMICAL CHANGE 1 - UNSTABLE IF HEATED 0 - STABLE [] SPECIFIC HAZARD (WHITE DIAMOND) OXY OXIDIZER ACID ACID ALK ALKALI COR CORROSIVE W USE NO WATER SECTION 16 OTHER INFORMATION THIS INFORMATION IS OFFERED IN GOOD FAITH AS TYPICAL VALUES AND NOT AS A PRODUCT SPECIFICATION. NO WARRANTY, EXPRESSED OR IMPLIED, IS HEREBY MADE. THE RECOMMENDED INDUSTRIAL HYGIENE AND SAFE HANDLING PROCEDURES ARE BELIEVED TO BE GENERALLY APPLICABLE. HOWEVER, EACH USER SHOULD REVIEW THESE RECOMMENDATIONS IN THE SPECIFIC CONTEXT OF THE INTENDED USE AND DETERMINE WHETHER THEY ARE APPROPRIATE. ATTACHMENT C WELL CONSTRUCTION DATA Deemed Permitted GW Remediation NOI Rev. 3-1-2016 Page 8 a 1, WELL CONTRACTOR: NONRESIDENTIAL WELL CONSTRUCTION RECORD North Carolina Depanment of Environment mid Natural Resources- Division of Water Quality WELL CONTRACTOR CERTIFICATION it Tommy Bolyard Well Contractor (Individual) Name Environmental Drilling & Probing Services, LLC (EDPS) Well Contractor Company Name STREET ADDRESS 17538 Greenhill Road Charlotte NC 2827E City ar Town State Zip Code 704 )_ 607-7529 Area code- Phone number 2. WELL INFORMATION: SITE WELL ID ktit applicable) NA STATE WELL PERMIT#(il applicable) NA DWQ or OTHER PERMIT #(if applicable) NA WELL USE (Check Applicable Box) Monitoring 91 MunicipallPublic ❑ Industrial/Commercial ❑ Agricullural ❑ Recovery D Injection ❑ Irrigation❑ Other ❑ (list use) DATE DRILLED 3/27/08 TIME COMPLETED NA AM❑ PM El 3. WELL LOCATION: CITY: Conover COUNTY 1343 Rock Dam Road, Conover, North Carolina IStreet Name, Numbers, Community, Subdidsian, Lai No., Parcel, Zip Code) TOPOGRAPHIC / LAND SETTING: ❑Slope ❑Valley ®Flat. ❑Ridge ❑ Other (check appropriate box) LATITUDE 3 NA May be in degrees, minutes, seconds or LONGITUDE NA in a decimal format Latitude/longitude source: ❑GPS ❑Topographic map Oocation of well must be shown on a USGS loon map and attached to this loan if not using GPS) 4. FACILITY -is me name al me business where me well Is loaned. FACILITY ID #(if applicable) NAME OF FACILITY WilcoHess Travel Plaza 4351 STREET ADDRESS 1343 Rock Bam Road Conover NC City or Town Slate Zip Code CONTACT PERSON S. Williams MAILING ADDRESS University Plaza Winston-Salem NC City or Town State Zip Code NA 1 NA Area code - Phone number S. WELL DETAILS: a. TOTAL DEPTH: 37. b. DOES WELL REPLACE EXISTING WELL? YES ❑ NO C c. WATER LEVEL Below Top of Casing: NA FT. (Use'+• if Above Top of Casing) 3307 d. TOP OF CASING IS 0 FT. Above Land Surface' 'Top or casing terminated atlor below land surface may require a variance in accordance with 15A NCAC 2C .0118, e. YIELD (gpm): NA METHOD OF TEST NA L DISINFECTION: Type NA Amount NA g. WATER ZONES (depth): From NA To NA From NA To NA From NA To NA From NA To NA From NA TO NA From NA To NA G. CASING: Thickness/ Depth Diameter Wehlg�r� 2' MalP�nal From 27 To D Ft. sc PP�Vr From To Ft. From To FI. 7. GROUT: Depth Material Method From 25 To 22 Ft. Bentonite Tremie From 22 To_ _ Ft Grout Tremie From To Ft. B. SCREEN: Depth Diameter Slot Size Material From 37 To 27 Ft. 2 in, 0.01 in. PVC From_ To Ft.—M. in. FromTo— FL_in. in. 9. SANDIGRAVEL PACK: Depth Size Material From 37 TO 25 Ft. #2,med Sand From Tc Ft. From To Ft. 10. DRILLING LOG From To Formation Description 0-37 (clay/silt) 11. REMARKS: Well ID#: MW- 3 [DO HEREBY CERTIFY THAT THIS WELL WAS CONSTRUCTED IN ACCORDANCE WITH 15A NCAC 2C, WELL CONSTRUCTION STANDARDS. AND THAT COPY OF THIS RECORO HAS BE OVIDEO TOTHE , OWNER. 4116/08 SIGNATUR OF CERZIFIED WELLp69NTRACTOR DATE Tik tit U Bd�., rzrr-r` PRINTED NAME OF PERSON CONSTRUCTING THE WELL Submit the original to the Division of Water Quality within 30 days. Attn: Information Mgt., Form 1617 Mail Service Center— Raleigh, NC 27699-1617 Phone No. (919) 733-7015 ext 568. GW-1b Rev.7105 Dfeet DEPTH 1 TVA Reading PPm) -' DESCRIPTION 0.0 — 4.0 — Asphalt at land surface. Hand auger, no samples collected 4.0 — 8.0 7.01 Reddish -brown silty CLAY [CH] 8.0 —12.0 141 Reddish -brown clayey SILT [ML] 12.0 —16.0 49.11 Light brown micaceous clayey SILT [ML] 16.0 — 20.0 7.80 Same as 12.0 —16.0 20.0-24.0 4.47 Light brown and reddish -brown and black micaceous slightly clayey SILT [ML] 24.0 — 28.0 4.40 Same as 20.0 — 24.0 28.0- 32.0 4.22 Same as 20.0 — 24.0 Boring terminated at 32.0 feet TEST BORING LOG REMARKS: Soil samples collected using direct -push technology (Geoprobe). BORING NUMBER: MW-3 Well boring advanced using hollow stem DATE DRILLED: 3/28108 augers. Type II Monitoring Well PROJECT NUMBER: R7915.OB installed upon boring completion. See PROJECT: WILCOHESS #351 Well Construction Record for details. PAGE 1 OF 1 MID -ATLANTIC ASSOCIATES, INC. Engineering and Environmental Solutions TABLE 7;1 MONITORING WELL CONSTRUCTION INFORMATION WILCOHESS #351 CONOVER; NORTH'CAROLINA DWM INCIDENT NO. 36396 , MID -ATLANTIC JOB°NO: 00OR1915.01 WELL NUMBER. -' DIAMETER (INCHES) CONSTRUCTION DATE CASING DEPTH (FEET BLS) SCREENED INTERVAL (FEET BLS) MW-1 2 3/27/2008 33 23 - 33 M W-2 2 3/27/2008 34 24 - 34 MW-3 2 3/28/2008 37 27 - 37 MW-4 2 3/28/2008 40 25 - 40 MW-5 2 5/2/2008 38 23 - 38 MW-6 2 8/11/2008 37 27 - 37 MW-7 2 B/11/2008 36 26 - 36 MW-8 2 8/8/2008 37 27 - 37 MW-9 2 8/8/2008 36 26 - 36 MW-10d 6/2 8/12-14/2008 65/80 75 - 80 FP-1 1 8/11/2008 18 B - 18 FP-2 1 8/11/2008 18 8-18 NOTES: BLS - Below land surface