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25C-126 FEE O O , Approximate Exterior c J w� Location of Manifold U DPE discharge infiltrat► 8'x 20' Gallery DPE W System U Enclosure 2 CT DPE discharge Piping Approximate Location of Utility Trench for Underground DPE Piping LEGEND Existing Monitoring Well A�ael Interior DPE Extraction Piping Interior Q Along Inside of Foundation Wall Manifold O #16-18 MW-2� RW-8 MW-1 RW-3 MW Existing Above Ground Storage Tank RW-7 RW-6 MW-3 j r ;_ RW-2 PORCH I i GAS LINE EP RW-1 RW-4 CUSHINC, Site Plan Utility pole J A M M A L L O Sc BIT SIDEWALK wv cb WHEELER INC. Nort Elizabeth Street Northampton, Massachusetts FIGURE 3 SIZE JN 5079 ' EP ELIZABETH STREET April 2006 SCALE V=10' srEEr I I PD-1 P-1 P-2 OIL/WATER SEPARATOR LS-1 PS-1 Fr-11 F SP-2 TT—I POSITIVE DISPLACEMENT BLOWER DISCHARGE PUMP TRANSFER PUMP COALESCING PLATE TYPE LEVEL PRESSURE FLOWMETER/ In—Line SAMPLING HOLDING TANK 80 SCFM AT 13 in Hg 7,5 GPM 7,5 GPM 70' TDH 15 GPM SWITCH SWITCH TOTALIZER Duplex Filter PORTS STEEL PRESSURE VESSEL Inlet 15 in Hg vacuum 100 PSI WP Discharge 25 psi TREATED Vac SP-2 PG Relief PG TC 2 1 In 1 1 Treated Water to Sewer SP-2 Line ._.._.._.._.._.. Finer V-1 SHUTS DOWN i �-------- SP-2 GAC-4 Fr 2'PVC SCH 40 pG PD-1 --- GAC-1 GAC-2 1 Vapor— Uquld i i ON HI HI LEVEL SP-2 HIGH HIGH LEVEL Vacuu 4' PVC SCH 40 LS 0 Brooker 1.25' Vapor— Liquid t HIGH LEVEL PD-1 i PG V-1 V-1 V-1 —1 V-1 LS X 2 �_3 PG PC PC PC 1 LS P-1 Shuts Down on Hi Hi Level 1 7 r T-1 1 3 H-O—A ------------------------------- 4S i 1 LOW LEVEL I P-2 Starts on Hi Level l FROM EXTRACTION I I 4Shuts H HIGH LEVEL °do WELLS ! i LS P-2 Shuts Down on Low Level SP-2 5 ------- P-1 1 2G GH LEVEL 0 /B'WELL BOX i LS ------� F FIC RATED 1 6 2 a I 1 FCV LOW LEVEL x 1 i \ 0/W SEP FCV iv 1 P-1 Starts on Ht Level 1 ® F P-2 Shuts Down on I 1 High Pressure at PS-1 8'+/— I 1 P-1 Shuts Down on Low Level 1 LS 2 'PffLESS ADAPTOR/'/0' DAPTOR P-2 DowH—O—A Hi L1 1/4'PVC SCH 40 I H-0—A .•__. DROP TUBE L_ ._.._.._.._.._.._.. _.._.._. 4' PVC SCH 40 NOTES: SOLD CASING 15' Equipment Enclosed in Dashed Une Is To Be Fumished In An Enclosed,Heated Troller 4' PVC SCH 40 Equipped with Thermostatically Controlled Ventilation Fan SLOT 10 SCREEN PG 0-30 in Hg vacuum gauge DFa Flow Control Valve (Globe) V-1 EXTRACTION OF WELL (SHOWN - PG 0-30 pill pressure gauge pd 1/4 Turn Boll Bain FIGURE 4 ONE OF THIRTEEN SHOWN 2 PIPING AND INSTRUMENTATION DIAGRAM 16-18 ELIZABETH STREET NORTHAMPTON, MASS. SCALE.- NONE April 2006 CUSHING, JAMMALLO & WHEELER, INC. 180 Stone Street, Clinton, Mass, 01510 COPYRIGHT DUCHARM£& WH££L£R, INC. 2007 J.N. 5079 • >`TTStfrg �•j 'tt4tt:t4t1� Site x �. • t � t } t f � �ti} itt�}ire`. A t. , r £ . �4Fx CAN ICU ' ,� .... NOR r aGaoynnRa A a ' Tr,T,�raL �r•YaD - , �P� �v :. > �, x fi E A. i s � T. . .;. . .. . Nva DEP PACP 21e Map Legend ® Zone Its Aquifers.By Yiek! Hydragraphy EOT-OTP Roads ® IWPAs »GnYt 3 m.aTER / LAMED ACCESS H nrVIIAY 1AE71JM YE-0 ® RESER'•,"D ti? &VJLTILANE 3i W'Y•NOT Zone A LWTTEL ACCESS Sots Source Aquifers Nan Potential Drinking y v�T=M"' flTr eayuai3�aE ris+ry '*Water Source Area _ 3rk.T'NATEfi WEt'tMiS y° ;t1A.iR RflAu COL_kCTOR Solid Waste Sites ��,�, mGH YtWL* M INOa STREET OR ROAu. Protected>7panspace ' A7s,StlOALS ACECs Rivars and Streams Tracks and Traits MH0 NHESP Estimated Habitat FEMA Ftoodptains PERF—yyOV- TRACK } d of Rare WWI fe in TRAL Welland Areas tU3Y dtiRf 04 LACt f f 1NTERMITTE—IT Certified Vernal Pouts ;4. sztflty_ 2003 NHESP A J Transmission Lines MAN MADE 93101q:E Subbasins ,t y A9 SS Major Basins f l n�v �JCi �•' Qo'�vER aE •r DEP Region _,JCS TRAIN fj Town Arcs X' County Boundaries lug DEP Priority Resource Map N C U S H I N G, JAM MALLD & 16-18 Elizabeth Street W H E E LE R9 INC. Northampton,Massachusetts FIGURE 2 From MassGIS Web Site(02/03/06) NFI,4M nwl Jad � SAY fN RI A as .'Y inn ITZS -9 A&7:::, wn LOCUS MAP :".' . ,, .. ,TMd 4T�'4. ¢wr b•'��'"'J.r'ya'£` !A'�+e'°' `�rh 4,., J , T 1 1 111 M fl M$d ' 16-18 Elizabeth Street Northampton,Massachusetts Table 3 Groundwater Sample Analytical Data- VPH Residence 16-18 Elizabeth Street Northampton, Massachusetts MCP RISK CHARACTERIZATION STANDARDS Ground- C5-C8 C9-Cl2 C9-CIO Ethylbenzene MTBE Naphthalene Toluene Xylenes water Aliphatics Aliphatics Aromatics (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) —Category u /L (ug/L) u /L GW-2 1,000 1,000 5,000 30,000 1 50,000 6,000 6,000 1 6,000 GW-3 4,000 20,000 4,000 4,000 50,000 6,000 50,000 50,000 LABORATORY ANALYTICAL RESULTS Well ID CS-CS C9-C12 C9-CIo Sampling Ethylbenzene MTBE Naphthalene Toluene Xylenes (Groundwater Date Aliphatics Aliphatics Aromatics OWL) OWL) OWL) OWL) (ug/L) Category (ug/L) (ug/L) (ug/L) MW-2 12/19/2006 1 <100 295 1 507 1 7.0 1 <1.0 131 6.7 42.1 (GW-2/GW-3) MW-3 12/19/2006 235 734 1,160 1 69.2 1 5.7 240 117 371 (GW-2/GW-3) Notes: (GW-2/GW-3)-Well specific Method 1 groundwater category ug/L-Micrograms per liter(parts per billion) <100-Compound not detected at or above the method detection limit VPH-Volatile petroleum hydrocarbons MTBE-Methyl tert Butyl Ether Table 2 Groundwater Sample Analytical Data-EPH Residence 16-18 Elizabeth Street Northampton,Massachusetts MCP RISK CHARACTERIZATION STANDARDS Cround- C9-C18 C19-06 CII-C22 Acenaphthene Acenaphthylene Anthracene Flourene Phenanthrene Pyrene Naphthalene 2-Methyl water Aliphatic Aliphatic Aromatic naphthalene Cate o u (u%/L a (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) a/L GW-2 1,000 N.A. 50,000 N.A. N.A. N.A. N.A. N.A. N.A. 6,000 10,000 GW-3 20,000 20,000 30,000 5,000 3,000 3,000 3,000 50 3,000 6,000 3,000 LABORATORY ANALYTICAL RESULTS Well ED C9-C18 C19-C36 CII-C22 2-Methyl Sampling Acenaphthene Acenaphthylene Anthracene Flourene Phenan[hrene Pyrene Naphthalene hthalene (Groundwater Aliphatics Aliphatic Aromatics P Cate go Date (ug/L) (ug/L) (ug/L) (ug/L) (ug(L) (ug/L) (ug/L) � u/L MW-2 12/19/2006 ::::;32b::::: 3,410 5,000 49.5 48.4 21.4 91.0 51.3 9.1 117.0 248.0 GW-2/GW-3 MW-3 12/19/2006 530 1 <150 727 8.8 9.7 1.2 114 8.3 <1.0 76.1 120.0 GW-2/GW-31' Notes: (GW-2/GW-3)-Well specific Method 1 groundwater category U L-Micro rams per liter(parts per billion) is S'S20i;iii •Concentration shown exceeds currently applicable Method l Groundwater Standard,ifshaded EPH-Extractable petroleum hydrocarbons <150-Compound not detected at or above the method detection limit Table 1 Groundwater Gauging Data Residence 16-18 Elizabeth Street Northampton,Massachusetts MW-6 NE 01/11/2006 N.D. 7.56 N.A. NE NE 01/17/2006 7.30 7.90 0.60 NE NE 01/24/2006 6.56 N.M. N.A. NE NE 01/31/2006 6.50 N.M. N.A. NE NE 02/02/2006 6.70 9.08 2.38 NE NE 02/08/2006 6.40 9.56 3.16 NE NE 02/24/2006 6.98 9.73 2.75 NE NE 04/04/2006 5.28 7.48 2.20 NE MW-7 NE 01/11/2006 7.53 7.55 0.02 NE NE 01/17/2006 6.70 9.15 2.45 NE NE 01/24/2006 6.43 9.70 3.27 NE NE 01/31/2006 6.46 9.49 3.03 NE NE 02/02/2006 6.58 9.72 3.14 NE NE 02/08/2006 6.37 9.54 3.17 NE NE 02/24/2006 6.92 N.M. N.A. NE NE 04/04/2006 5.07 1 7.44 1 2.37 1 NE RW-1 NE 03/24/2006 N.D. 9.51 N.A. NE NE 04/04/2006 N.D. 9.46 N.A. NE RW-2 NE 03/24/2006 N.D. 9.84 N.A. NE NE 04/04/2006 N.D. 9.98 N.A. NE NE 04/07/2006 N.D. 9.99 N.A. NE RW-3 NE 03/24/2006 N.D. 9.91 N.A. NE NE 04/04/2006 N.D. 10.03 N.A. NE RW-4 NE 03/24/2006 N.D. 9.41 N.A. NE NE 04/04/2006 N.D. 9.57 N.A. NE NE 04/07/2006 N.D. 9.60 N.A. NE RW-5 NE 03/24/2006 N.D. 9.71 1 N.A. I NE NE 04/04/2006 N.D. 9.86 N.A. NE NE 04/07/2006 N.D. 9.87 N.A. NE NE-Not Established N.D.-Not Detected N.A.-Not Applicable N.M.-Not Measurable(No groundwater in monitoring well) NAPL-non-aqueous phase liquid Table 1 Groundwater Gauging Data Residence 16-18 Elizabeth Street Northampton,Massachusetts Corrected Monitoring Well Gauging Depth to Depth to Thickness Piezometric Well Elevation Date NAPL Water •of NAPL Head Identification (feet) (feet) (feet) (feet) Elevation feet MW-1 NE 12/30/2006 1 5.74 9.57 3.83 NE NE 01/11/2006 5.57 N.M. N.A. NE NE 01/17/2006 5.40 9.70 4.30 NE NE 01/24/2006 5.19 9.24 4.05 NE NE 01/31/2006 5.21 9.25 4.04 NE NE 02/02/2006 5.30 8.81 3.51 NE NE 02/08/2006 5.13 8.44 3.31 NE NE 02/24/2006 5.67 8.93 126 NE NE 04/04/2006 6.41 10.44 4.03 NE MW-2 NE 12/30/2006 N.D. 7.30 N.A. NE NE 01/11/2006 N.D. 7.04 N.A. NE NE 01/17/2006 N.D. 6.90 N.A. NE NE 01/24/2006 N.D. 6.45 N.A. NE NE 01/31/2006 N.D. 6.47 N.A. NE NE 02/02/2006 N.D. 6.50 N.A. NE NE 02/08/2006 N.D. 6.30 N.A. NE NE 02/24/2006 N.D. 6.89 N.A. NE NE 04/04/2006 N.D. 5.90 N.A. NE MW-3 NE 12/30/2006 N.D. 9.84 N.A. NE NE 01/11/20061 9.54 9.97 0.43 NE NE 01/17/2006 9.38 10.00 0.62 NE NE 01/24/2006 8.45 12.80 4.35 NE NE 01/31/2006 8.46 12.66 4.20 NE NE 02/02/2006 8.95 9.79 0.84 NE NE 02/08/2006 8.43 11.79 3.36 NE NE 02/24/2006 9.01 12.03 3.02 NE NE 03/24/2006 9.70 12.71 3.01 NE NE 04/04/2006 9.86 12.87 3.01 NE MW-4 NE 01/11/2006 6.93 8.92 1.99 NE NE 01/1712006 6.50 8.95 2.45 NE NE 01/24/2006 6.25 9.76 3.51 NE NE 01/31/2006 6.25 9.77 3.52 NE NE 02/02/2006 6.36 9.79 3.43 NE NE 02/08/2006 6.17 9.53 3.36 NE NE 02/24/2006 6.72 9.86 3.14 NE NE 04/04/20061 7.41 9.96 2.55 NE MW-5 NE 01/11/20061 6.79 9.57 2.78 NE NE 01/17/2006 1 6.52 9.70 3.18 NE NE 01/24/2006 1 6.23 9.79 3.56 NE NE 01/31/2006 6.23 9.76 3.53 NE NE 02/02/2006 6.35 9.74 3.39 NE NE 02/08/2006 6.16 9.54 3.38 NE NE 02/24/2006 6.72 9.86 3.14 NE NE 04/04/2006 5.15 1 7.67 2.52 NE Project#5079;IRA Plan Status Report#1,RTN 1-16019,Release of#2 Fuel Oil,Northampton,MA April 12,2006 Pagel l upon initial groundwater elevation data following DPE start-up), CJW will acquire a sewer discharge permit from the Town of Northampton. No other federal, state or local permits are believed to be required to conduct these IRA activities. Any activities beyond the previously approved IRA activities or the IRA activities proposed herein will be submitted to the MA DEP as an additional modification to the IRA Plan. 6.4 Environmental Monitoring Water samples will be collected prior to and following treatment by liquid phase GAC and analyzed in accordance with the regulations of 310 CMR 40.0045(3)(x)(2). Screening of the DPE system off-gas with a PID will be conducted approximately every two weeks. In addition, indoor air will continue to be periodically screened for VOC concentrations with a PID, the results of which will be provided in a future submittal. Select site monitoring wells will be gauged and sampled as part of on-going IRA activities on a quarterly basis and analyzed for EPH and VPH by MA DEP Method 04-1 and 04-1.1, respectively. During IRA activities, potential CEP will continue to be evaluated and periodically by monitoring indoor using a PID. Laboratory data from groundwater samples collected from the site monitoring wells will be compared to the applicable risk characterization standards of MCP. If conditions warrant, based upon an evaluation of site data, further remedial strategies will be developed for petroleum- impacted soil and groundwater located at the site. Remedial strategies will be proposed in an IRA modification submittal. The next IRA Status Report is due at the MA DEP on or before October of 2006. Project#5079;IRA Plan Status Report#1,RTN 1-16019,Release of#2 Fuel Oil,Northampton,MA April 12 2006 Page10 Treated groundwater will initially be discharged to the subsurface through two infiltration galleries located immediately south of the DPE system enclosure. The discharge and analytical monitoring will be conducted pursuant to the requirements of 310 CMR 40.0045(3)(a)(2). As previously discussed, soil gas will be treated with vapor phase GAC to remove VOC and discharged to the atmosphere through a discharge stack. Used vapor phase and liquid phase GAC will be temporarily stored on-site and subsequently returned to the GAC vendor for regeneration. NAPL collected through periodic skimming of the oil/water separator will be stored in 55-gallon drums pending off-site transportation and disposal under a Uniform Hazardous Waste Manifest. 6.0 PROPOSED IMMEDIATE RESPONSE ACTIONS 6.1 Monitoring Well Installation Activities Additional soil borings/monitoring wells are scheduled for installation in the southeastern portion of the site basement to better define the vertical and horizontal extent of petroleum-impacted soil and groundwater. Soil screening data, laboratory analysis and monitoring well construction details will be provided in a future submittal. 6.2 Groundwater Elevation Survey, Gaumim, Sample Collection and Analysis CJW will have the existing monitoring wells surveyed using standard stadia and leveling techniques referred to an assumed datum. Piezometric head elevation data developed using data collected during the survey event will be used in the determination of groundwater flow in the vicinity of the disposal site. This information will be provided in a future submittal. Groundwater samples will be collected from select monitoring wells at selected intervals and analyzed for EPH and VPH by MA DEP Method 04-1 and 04-1.1, respectively. Based on the results of groundwater sample analysis, the installation of additional site monitoring wells may be proposed as part of on-going IRA assessment activities. Groundwater gauging events will be conducted prior to each sampling event. 6.3 Permits An electrical permit has been acquired from the Town of Northampton prior to connecting power to the remedial system. As stated, remedial system discharge will initially be conducted in accordance with the requirements of 310 CMR 40.0045(3)(a)(2); however, if warranted (based Project#5079; IRA Plan Status Report#1,RTN 1-16019,Release of#2 Fuel Oil,Northampton,MA April 12,2006 Page9 screening of the off-gas with a PID for VOC such that the air emission requirements of 310 CMR 40.0079 are met. Treated groundwater will initially be discharged to two infiltration galleries located immediately south of the DPE enclosure, which in turn will discharge to the subsurface soils of the site. In accordance with 310 CMR 40.0045(3)(a)(2), groundwater downgradient of the treated water discharge location will be sampled and analyzed for EPH and VPH by MA DEP Methodology 04-1 and 04-1.1, respectively. During the initial DPE start-up, CJW personnel will monitor local groundwater elevation through monitoring well gauging activities with an EIP to determine whether DPE system discharge to subsurface soils could potentially exacerbate existing conditions, or prevent or impair the performance of the DPE system [as listed in 310 CMR 40.0045(3)(b)]. If such conditions are found to exist, CJW will discontinue subsurface discharge and begin discharge of treated groundwater to the Town of Northampton sewer system under permit. Groundwater gauging data, following system start-up, will be provided in a future submittal. If discharge to the Town of Northampton sewer system is warranted (based upon groundwater elevation monitoring as described above), system wastewater samples will be collected and analyzed in accordance with 310 CMR 40.0043(2)(a)(b) and conditions of any sewer discharge permit from the Town of Northampton. 5.4 Off-Gas Air Sampling Off-gas from the DPE system will be screened with a PID on a periodic basis to ensure that the system is removing VOC from the air stream with a minimum 95% efficiency. The PID will be calibrated to read VOC concentrations on a ppmv basis, benzene referred. 5.5 Wastewater Sampling Wastewater samples will initially be collected and analyzed in accordance with 310 CMR 40.0045(3)(a)(2). The DPE system wastewater sampling requirements and laboratory analytical reports will be provided in a future submittal. 5.6 DPE System Remediation Waste Management Waste generated as a result of the proposed remedial activities at the site is anticipated to consist primarily of treated soil gas, treated groundwater,NAPL and used liquid and vapor phase GAC. Project#5079;IRA Plan Status Report#1,RTN 1-16019,Release of#2 Fuel Oil,Northampton,MA April 12 2006 Page8 The remedial system is protected by a series of alarms that monitor liquid levels and pressures within primary and secondary stage components. Sample collection ports for vapor and liquid phase monitoring are located prior to discharge of treated waste streams. 5.2 DPE System Start-Up Schedule On March 29, 2006, the DPE system enclosure was delivered to the site and installed in the northwestern portion of the site. The system trenching and piping activities are expected to be completed during the period from March 16, 2005 through April 30, 2006. Specifically, Govoni, under the supervision of CJW, connected three interior two-inch diameter PVC extraction lines from recovery wells RW-6 through RW-8, through excavated trenches, to a common manifold point within the northwestern corner of the basement, and subsequently through an exterior excavated trench to the approximate system intake location. In addition, Govoni, under the supervision of CJW, connected five exterior two-inch diameter PVC extraction lines from monitoring wells RW-1 through RW-5, through excavated trenches, to a common manifold point immediately south of the approximate system intake location. At the completion of extending all PVC lines to the manifold locations, the recovery lines will be pressure tested. Upon satisfactory completion of the pressure testing activities, the trenches will be backfilled and compacted with fill materials. Following final system testing, the DPE system will be put into service. Refer to Figure 3 for the approximate locations of the DPE system and recovery wells. 5.3 DPE System Operation and Maintenance The primary constituents of concern that may be encountered during the operation of the remedial system are volatized petroleum constituents. Petroleum vapors are collected and treated via the vapor phase GAC system described above. Based on the system design, the remedial measures are not expected to pose a potential inhalation risk for VOC beyond the immediate area of the treatment equipment. Consequently, no ambient monitoring outside of the treatment equipment area is planned as part of the execution of the remedial measures. The remedial system is designed to operate on a full-time, unattended basis. Soil gas and groundwater will be extracted from the recovery wells (designated RW-1 through RW-8). Operation of the system will continue until sample collection and analysis from groundwater samples collected at the site indicate residual petroleum concentrations are at or below the applicable Method 1 risk characterization standards. It is anticipated that the remedial system will be serviced approximately twice per month. Liquid phase GAC will be changed based on effluent analytical data. Vapor phase GAC within the remedial system will be replaced based on Project#5079; IRA Plan Status Report#1,RTN 1-16019,Release of#2 Fuel Oil,Northampton,MA April 12,2006 Page7 4.6 Indoor Air On March 24, 2006, personnel from CJW and Govoni installed a poly barrier and exhaust blower within the confines of the northeastern portion of the basement (in the vicinity of the interior monitoring wells) to minimize potential petroleum-impact to indoor air during sub-slab recovery well-head assembly activities. Throughout the course of IRA activities, CJW personnel have periodically screened indoor air within the basement for VOC with a PID on a ppmv basis benzene referred. PID readings within the northeastern portion of the basement (i.e. the area of the AST, interior wells and poly barrier) ranged from 0.0 to 0.6 ppmv and ranged from 0.0 to 0.1 ppmv within the remaining portions of the basement. 5.0 REMEDIAL SYSTEM DESIGN 5.1 DPE System The on-site DPE system is contained within an 8-foot by 20-foot enclosure that is situated in the northwestern portion of the site property, parallel to the on-site garage (refer to Figure 3). The remedial system consists of a primary and secondary stage. The primary stage components are a 10-horsepower positive displacement blower and moisture separator. The positive displacement blower draws the liquid and vapor waste stream from the recovery wells into the moisture separator which separates the liquid and vapor waste streams. The secondary stage is made up of liquid and vapor phase components. From the moisture separator, the vapor phase waste stream passes through an in-line filter, two vapor phase granular activated carbon (GAC) canisters, and then the off-gas is discharged to the atmosphere through a discharge stack located on the side of the enclosure. Refer to Figure 3 for the remedial system piping diagram. The liquid phase is pumped from the moisture separator to an oil/water separator, where the NAPL is collected and transferred to a 55-gallon drum via two-inch PVC pipe. Once the NAPL has been removed, the remaining liquid is pumped through in-line filters, liquid phase GAC canisters, and then discharged via two-inch diameter piping to an infiltration system located immediately south of the DPE system enclosure. In addition, the DPE system discharge piping was also extended into the basement of the residence (for possible connection to the Northampton sewer system), under conservative measures, to serve as an additional discharge option if groundwater elevations are adversely affected through discharging to the infiltration trench. Project#5079;IRA Plan Status Report#1,RTN 1-16019,Release of#2 Fuel Oil,Northampton,MA April 12 2006 PaRe6 and VPH constituents indicative of#2 fuel oil) in excess of GW-2 and GW-3 standards applicable to groundwater at this site. A complete copy of the laboratory analytical report is included in Appendix B. In addition, CJW personnel have gauged site monitoring wells with an electronic interface probe capable of measuring depth to NAPL and water to the nearest one hundredth of a foot. NAPL has been detected in each of the interior site monitoring wells, excluding MW-2. Groundwater has been measured at a depth that ranged from 6.45 feet to 10.00 feet below grade. With the exception of MW-3, NAPL has not been detected in any of the exterior site monitoring wells. The groundwater flow direction is presumed to be in a northeasterly direction based upon topographic features and will be confirmed once additional groundwater gauging points have been installed. A summary of the groundwater gauging and NAPL thickness data is presented in Table 1. Additional groundwater samples are scheduled for collection from select exterior monitoring wells in April of 2006. The collected groundwater samples will be analyzed for EPH and VPH by MA DEP Method 04-1 and 04-1.1, respectively. The analytical results will be provided in a future submittal. 4.4 Groundwater and NAPL Extraction Activities On January 17 and January 31, 2006, 925 and 625 gallons of groundwater and NAPL were extracted from the site monitoring well network. On February 8, 2006, 800 gallons of groundwater and NAPL were extracted from the site monitoring well network. On April 4, 2006, 550 gallons of groundwater and NAPL were extracted from the site monitoring well network. By gauging the vacuum truck at the completion of extraction activities, it was determined that a total of approximately 125 gallons of#2 fuel oil have been recovered to date. Disposal documentation is provided in Appendix C. 4.5 Remediation Waste Management To date 2,350 gallons of groundwater and NAPL, generated through vacuum extraction activities, were transported under a Uniform Hazardous Waste Manifest (#MAU161575, #MAU168108, #MAU168118 & #MAU162769) to the Murphy's Waste Oil Services facility in Woburn, Massachusetts for disposal. A copy of each Uniform Hazardous Waste Manifest used to transport the above waste is provided in Appendix C. Project#5079;IRA Plan Status Report#1,RTN 1-16019,Release of#2 Fuel Oil,Northampton,MA April 12,2006 PaQe5 (HSA) drilling methodologies to a depth of approximately 20 feet below exterior grade. Refusal was not encountered during monitoring well installation activities and site soils generally consisted of fine brown sand. Soil samples were periodically collected from the auger flights and field screened using headspace screening methodologies with a photoionization detector (PID), on a parts per million by volume (ppmv) basis, benzene referred. Observed PID readings ranged from 0.0 to 0.9 ppmv. Soil samples were not collected for laboratory analysis. The recovery wells were constructed of a 15-foot section of 2-inch diameter, 0.010-inch slotted polyvinyl chloride (PVC) well screen connected to a 5-foot section of 2-inch diameter solid PVC riser extending to grade. The annulus around each well screen was backfilled with filter sand and included a bentonite seal approximately one foot above the well screen. Each recovery well was completed with a flush mounted road box and an expansion plug. These wells were installed to serve as future exterior groundwater/soil vapor extraction points (recovery wells) for the operation of an on-site DPE system, as described in Section 7.0. During the period from March 23 through March 31, 2006, personnel from R.J. Govoni Construction (Govoni) of Worcester, Massachusetts, under the supervision of CJW, converted monitoring wells MW-5 through MW-7 into recovery wells for use with the DPE system. For future reference, MW-5 will be referred to as RW-6, MW-6 will be referred to as RW-7 and MW-7 will be referred to as RW-8. The locations of the borings completed as monitoring wells and/or recovery wells are depicted on Figure 3. The monitoring well logs for RW-1 through RW-8 will be provided in a future submittal. 4.3 Groundwater Gauging and Sampling Activities On December 19, 2005, CJW collected a groundwater sample from monitoring wells MW-2 and MW-3 and submitted them to Con-Test Analytical Laboratories (Con-Test) in East Longmeadow, Massachusetts for analysis of extractable petroleum hydrocarbons (EPH) and volatile organic compounds (VPH)by MA DEP Method 04-1 and 04-1.1, respectively. Tables 2 and 3 summarize the results of the groundwater samples collected to date and compare them to the applicable MCP risk-based Method 1 standards for the applicable groundwater categories (GW-2 and GW-3). The groundwater analytical data indicates that groundwater surrounding MW-2 and MW-3 has been impacted by petroleum hydrocarbons (specifically EPH Project#5079;IRA Plan Status Report#1,RTN 1-16019,Release of#2 Fuel Oil,Northampton,MA April 12 2006 Pa2e4 ♦ stabilize site conditions as necessary; and ♦ assess site conditions during and at the completion of response activities to determine the need to conduct further response actions. An IRA Plan Modification #1 was submitted to the MA DEP on February 27, 2006. The objectives of IRA Plan Modification#1 are to: ♦ propose the pilot testing and subsequent installation of a DPE remedial system at the site to provide a level of hydraulic control across the site; ♦ remove NAPL and petroleum-impacted groundwater from the site; ♦ remove volatile petroleum constituents from the vadose zone across the release area; and ♦ remove residual volatile petroleum constituents from soils located beneath the concrete basement floor and brick foundation walls of the residence such that residual petroleum concentrations in site soil and groundwater are reduced to or below the applicable Method 1 risk characterization standards of the MCP. The expected outcome following the implementation of IRA activities would be the demonstrated reduction of petroleum hydrocarbon concentrations in site soil and groundwater to levels below the applicable risk characterization standards. In addition, the need to perform an Imminent Hazard Evaluation will continue to be assessed as part of the IRA and potential Critical Exposure Pathways (CEP) at the site will be addressed as part of the IRA. 4.2 Monitoring Well Installation Activities On December 19, 2005, Bronson Drilling, under the supervision of CJW personnel, installed three monitoring wells at the site, designated as MW-1 through MW-3. On January 11, 2006, Bronson Drilling, under the supervision of CJW personnel, installed four monitoring wells at the site, designated as MW-4 through MW-7 (Refer to Figure 3). The details on monitoring well installation activities, including soil screening data and well construction details were provided in the IRA Plan dated February 6, 2006. On March 2, 2005, Martin Geo-Environmental, LLC (Martin), under the supervision of CJW personnel, installed five recovery wells at the site, designated as RW-1 through RW-5 (Refer to Figure 3). The borings were advanced using a truck-mounted drill rig and hollow stem auger Project#5079;IRA Plan Status Report#1,RTN 1-16019,Release of#2 Fuel Oil,Northampton,MA April 12,2006 Page3 3.0 DEP APPROVALS The following IRA activities were approved in the Notice of Responsibility issued to Ms. Deborah Dunphy on December 9, 2005: ♦ Assessment as necessary. On December 30, 2005, Mr. Philip Wheeler and Mr. Richard Cushing of CJW informed Mr. Terenzi of the MA DEP that 3.83 feet of non-aqueous phase liquid (NAPL) had been measured in site monitoring well MW-1. Mr. Terenzi orally approved the following IRA modifications: ♦ Install 2-inch diameter monitoring/recovery wells; ♦ Unlimited groundwater and NAPL extraction with a vacuum truck; ♦ Excavation and proper disposal of up to 100 cubic yards of impacted soil; and ♦ Additional assessment as necessary. The Licensed Site Professional (LSP) associated with this project is Mr. Richard J. Cushing, License Number 3063. 4.0 DESCRIPTION OF RESPONSE ACTIONS A Site Plan is included as Figure 3 herein. This plan shows: ♦ Layout of the current site with the approximate locations of the DPE system, associated piping, and monitoring well locations; ♦ Subsurface utilities; ♦ Area of recovery and discharge line trenching; and ♦ The approximate footprint of the site residence. 4.1 Obiectives of Response Actions An IRA Plan was submitted to the MA DEP on February 6, 2006. The objectives of this IRA Plan are to: ♦ assess the vertical and horizontal extent of petroleum-impacted soil and groundwater at the site; ♦ remove petroleum-impacted soil and groundwater from the site to the extent feasible; ♦ remove NAPL at the disposal site; Project#5079;IRA Plan Status Report#1,RTN 1-16019,Release of#2 Fuel Oil,Northampton,MA April 12 2006 Page 2 The property at 16-18 Elizabeth Street is residential and improved with a two story three-family dwelling on the western side of Elizabeth Street. The second floor of the residence is occupied by Mr. Paul Struthers and the first floor is occupied by two tenants. The second floor is currently vacant as Mr. Struthers resides in Florida during the winter months. A single car garage is located to the northwest of the residence. Utilities serving the site include public water and sewer, overhead electrical, and telephone services. The referenced AST system is located in the northeast corner (front right) of the residence. The fuel oil AST system provides fuel for the furnace serving the occupied tenant space at the front of the first floor. A second AST is located in the southeast corner (front left) of the residence and provides fuel for the furnace which heats the second floor. The tenant space occupying the rear of the first floor has electric heat. According to the Mass GIS Map, provided in Figure 2, the site is not located within a Current or Potential Drinking Water Source Area (PDWSA), Interim Wellhead Protection Area (IWPA) or Potentially Productive Aquifer (PPA). Two areas designated as protected open space are located within '/z-mile north and south of the site. 100-year floodplain is located approximately 400 feet east of the site 2.2 Surrounding Area The Site is located on Elizabeth Street, Northampton, Massachusetts, which is predominantly a residential area. The immediately surrounding area is also residential. 2.3 Description of Release RTN 1-16019 is related to a release of#2 fuel oil resulting from a leak from the on-site AST oil supply line from the AST system to an oil-fired furnace. Specifically, at approximately 4:40 P.M. on December 7, 2005, the MA DEP was notified of a release of an unknown quantity of#2 fuel oil from an underground fuel oil supply line at the site. The underground line is located beneath the concrete basement floor and connects the 275-gallon AST to the fuel oil fired furnace. This 2-hour release condition was identified by Cemak Oil as the result of an unexplained loss of #2 fuel oil at the site, at which point the MA DEP was notified. As previously stated, the MA DEP assigned RTN 1-16019 to this release. The release will be initially managed as an IRA under the MCP. IMMEDIATE RESPONSE ACTION PLAN STATUS REPORT #1 Release of#2 Fuel Oil 16-18 Elizabeth Street Northampton, Massachusetts MA DEP Release Tracking Number 1-16019 1.0 INTRODUCTION Cushing, Jammallo & Wheeler, Inc. (CJW) is submitting this Immediate Response Action (IRA) Plan Status Report #1 prepared in accordance with the Massachusetts Contingency Plan (MCP) [3 10 CMR 40.0425]. The report pertains to Release Tracking No. (RTN) 1-16019, a release of #2 fuel oil from an underground supply line connected to a 275-gallon aboveground storage tank (AST) located in the basement of 16-18 Elizabeth Street (the "site") residence. In support of these activities, a copy of the Immediate Response Action Transmittal Form (BWSC-105) is attached (Appendix A). The original BWSC-105 accompanies the IRA Status Report. This report was prepared by CJW on behalf of Ms. Deborah Dunphy, 25 Lincoln Street, Northampton, Massachusetts 01060 [Phone: (413) 584-6147], as the potential responsible party (PRP) associated with this release. Ms. Dunphy is the site owner. 2.0 SITE LOCATION AND DESCRIPTION OF RELEASE 2.1 Site Location A Locus Map of the Site is included as Figure 1. Figure 2 is the Massachusetts Department of Environmental Protection (MA DEP) Priority Resource Map as obtained from Massachusetts Geographical Information System (Mass GIS) on February 3, 2006. Figure 3 presents a plan of the Site. Figure 4 contains the piping and instrumentation diagram (P&ID) for the on-site dual-phase extraction system(DPE) system. The property herein referred to as the "site" is located within a residential neighborhood in Northampton, Massachusetts (Figure 1) at 420 19' 38" north and 72° 37' 33" west, respectively. The Massachusetts State Plane Mainland NAD83 meters coordinates of the site are approximately 107212mE and 898021mN. The elevation of the Site is approximately 413 feet above mean sea level. TABLES Table 1 Groundwater Gauging Data Table 2 Groundwater Sample Analytical Data—EPH Table 3 Groundwater Sample Analytical Data—VPH FIGURES Figure 1 Locus Map Figure 2 DEP MCP 21 E Map Figure 3 Site Plan Figure 4 DPE System P&ID Diagram APPENDICES Appendix A Copies of DEP Bureau of Waste Site Cleanup Forms Appendix B Laboratory Analytical Reports Appendix C Waste Documentation TABLE OF CONTENTS SECTION PAGE 1.0 INTRODUCTION.....................................................................................................................2 2.0 SITE LOCATION AND DESCRIPTION OF RELEASE........................................................2 2.1 Site Location.................................................................................................................2 2.2 Surrounding Area..........................................................................................................2 2.3 Description of Release..................................................................................................2 3.0 DEP APPROVALS...................................................................................................................3 4.0 DESCRIPTION OF RESPONSE ACTIONS ...........................................................................3 4.1 Objectives of Response Actions ...................................................................................3 4.2 Monitoring Well Installation Activities........................................................................4 4.3 Groundwater Gauging and Sampling Activities...........................................................5 4.4 Groundwater and NAPL Extraction Activities.............................................................6 4.5 Remediation Waste Management.................................................................................6 4.6 Indoor Air......................................................................................................................7 5.0 REMEDIAL SYSTEM DESIGN.........................................................................................7 5.1 DPE System..................................................................................................................7 5.2 DPE System Start-Up Schedule....................................................................................8 5.3 DPE System Operation and Maintenance.....................................................................8 5.4 Off-Gas Air Sampling...................................................................................................9 5.5 Wastewater Sampling...................................................................................................9 5.6 DPE System Remediation Waste Management............................................................9 6.0 PROPOSED IMMEDIATE RESPONSE ACTIONS..............................................................10 6.1 Monitoring Well Installation Activities......................................................................10 6.2 Groundwater Elevation Survey, Gauging, Sample Collection and Analysis..............10 6.3 Permits........................................................................................................................10 6.4 Environmental Monitoring..........................................................................................1 l nrr}.�. 4Y-s A IMMEDIATE RESPONSE ACTION PLAN STATUS REPORT#1 Release of#2 Fuel Oil 16-18 Elizabeth Street Northampton,Massachusetts MA DEP Release Tracking Number 1-16019 For Submittal To: Massachusetts Department of Environmental Protection Western Regional Office Bureau of Waste Site Cleanup 436 Dwight Street, Suite 402 Springfield, Massachusetts 01103 Prepared For and Submitted By: Ms. Deborah Dunphy 25 Lincoln Avenue Northampton, Massachusetts 01060 Prepared By: CUSHING, JAMMALLO & WHEELER, INC. Street 85 Constitution Lane,Suite 3B1 usetts 01510 (Danvers, 5Wassackusetts 01923 CJW Project No. 5079 April 12 2006 4 5 to n '/ 4