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HomeMy WebLinkAboutItem I • June 14, 1999 STAFF REPORT To: Mayor and Members of the City Council Attention: Keith R Till, City Manager From: Lee Whittenberg,Director of Development Services Subject: APPROVAL OF COMMENT LETTER re: "DRAFT PROJECT WORK PLAN - REMOVAL ACTION INSTALLATION RESTORATION SITE 1 — WASTEWATER SETTLING POND, NAVAL WEAPONS STATION SEAL BEACH" RECOMMENDATION Authorize Mayor to sign proposed comment letter. Instruct staff to forward to the Environmental Quality Control Board and to the Archaeological Advisory Committee for information purposes. Receive and File Staff Report. DISCUSSION The City has received a copy of the above-referenced document, and the Navy is requesting comments by June 18, 1999. The document describes the scope of work for a Non-Time Critical Removal Action (NTCRA) for soils containing elevated levels of metals, polychlorinated biphenyls (PCBs), and pesticides at the subject site. The City has commented on this project many times in the past, and work plan recognizes and responds to those issue of concern raised by the City, primarily achieving the removal action during the summer vacation time period. The proposed NTCRA includes excavating the contaminated soil inside and outside the former wastewater settling pond, disposing of the soil offsite, and backfilling with clean, imported fill. By doing this, the proposed action will substantially eliminate the potential pathways of exposure to hazardous substances and chemicals of concern for human and ecological receptors. Agenda Item C:\My Documents\NAVWPSTADDraf Project Wort Plan,IR Site 1.CC.doc\LW\05-26-99 City Response Letter re:Draft Project Work Plan-IR Site 1, Weapons Support Facility,Seal Beach City Council Staff Report June 14, 1999 Site l is an approximately 3-acre area, consisting of a triangular depression (the Wastewater Settling Pond) bordered by the raised beds or railroad tracks and the surrounding streets and an area of contaminated soil outside the tracks. This site has been under investigation by the Navy since the inception of its remediation programs in 1984. Between 1984 and the present time, the Navy has released 9 separate reports regarding this Jn'faUation Restoration Site The City hasrommented on many of these earlier documents. The site currently is dry except for occasional rainwater ponding during the winter after heavy rain. The site supports seasonal grasses and other vegetation, which is controlled by Weapons Support Facility personnel. Given the comment deadline of June 18, 1999 the Environmental Quality Control Board will not have an opportunity to review the document. Staff is recommending the City Council approve the proposed comment letter and forward the Staff Report and comment letter to the EQCB and Archaeological Advisory Committee for information purposes. Public Availability of Document The subject document is available at the Mary Wilson Library, 707 Electric Avenue, for review by the public. The Department of Development Services also has a copy available for public review during working hours at City Hall, 211 Eighth Street. Hours at City Hall are 7:00 AM to 6:00 PM, Monday through Thursdays. Due to the length of the complete document, 332 pages, it has not been provided to the City Council. The"Executive Summary", Table of Contents and Figures (21 pages) have been provided to the City Council. RECOMMENDATION Authorize Mayor to sign proposed comment letter. Instruct staff to forward to the Environmental Quality Control Board and to the Archaeological Advisory Committee for information purposes. Receive and File Staff Report. NOTED AND APPROVED /-2Z Whittenberg, Director Keith R. Till Development Services Department City Manager 2 Draft Project Work Plan,IR Site 1.CC City Response Letter re.•Draft Project Work Plan-IR Site I, Weapons Support Facility, Seal Beach City Council Staff Report June 14, 1999 Attachments: (2) Attachment 1: Draft Comment Letter Re: "Draft Project Work Plan - Removal Action Installation Restoration Site 1 — Wastewater Settling Pond Naval Weapons Station Seal Beach" Attachment 2: "Draft Project Work Plan -Removal Action Installation Restoration Site 1 — Wastewater Settling Pond Naval Weapons Station Seal Beach", Southwest Division, Naval Facilities Engineering Command, dated May 18 1999. NOTE: Due to the length of the complete document, 332 pages, it has not been provided to the City Council. The "Executive Summary", Table of Contents and Figures(21 pages) have been provided to the City Council. 3 Draft Project Work Plan,IR Site 1.CC City Response Letter re:Draft Project Work Plan-IR Sue 1, Weapons Support Facility, Seal Beach City Council Staff Report June 14, 1999 ATTACHMENT 1 Draft Comment Letter Re: "Draft Project Work Plan - Removal Action Installation Restoration Site 1 — Wastewater Settling Pond; Naval Weapons Station Seal Beach" 4 Draft Project Work Plan,IR Site 1.CC *c fi ' s.F vk'3.'Xa %`a' dii' s s ,� -,.' x `^t ,.t � y� ,. :. •• • '' s rte 4V- i ,rig * � 2 as e �€� a . r r_� � • •L � �-�� x,�- _ .s �,� ��� .�y� ,�- 4 "it ,titirr. 04104t " y ;_r • � ,. t - rY TAS` 4; t rYt t = `: �, . it*-1GHTH'STREET''. V tl i►C#f; i4tift3ltNlA•90;•aio4331!9 ` .244214527 June 14, 1999 Weapons Support Facility, Seal Beach 800 Seal Beach Blvd. Attn: David Baillie,Environmental Director Seal Beach, CA 90740-5000 SUBJECT: "Draft Project Work Plan - Removal Action Installation Restoration Site 1 — Wastewater Settling Pon Naval Weapons Station Seal Beach" —Comments from the City of Seal Beach Dear Mr. Baillie: The City of Seal Beach has reviewed the request from the Department of the Navy relative to"Draft Project Work Plcm -Removal Action Installation Restoration Site 1— Wastewater Settling Pona Naval Weapons Station Seal Beach". Upon a review of the document by the Director of Development Services, the City has the following general and specific comments. General Comments on the Document The City Council understands this document provides the necessary information to describe the scope of a non-time critical removal action at IR Site 1. The City of Seal Beach concurs with the determination of the Navy that excavation and off-site disposal, is the most appropriate removal act for this IR Site, as it results in the clean-up of the site to residential standards, and results in the complete removal of the contaminated soil from the City and disposed of off-site at a Class I or II landfill. The Draft Work Plan indicates that dust suppression measures will be taken and that upwind and downwind monitoring of emissions will occur, however, given the susceptibility of the freshly excavated dust to high wind factors in the area, we are requesting that the area be adequately covered to prevent wind transport. During periods of high winds we request that any removal activity be halted, in accordance with SCAQMD Rule 403 requirements. It is imperative that all safety precautions be taken to provide a high level of protection for the nearby residents. C:\My Documents\NAVWPSTA\Draft Project Work Plan,IR Site 1.CC Comment Letter.doc\LW'06-14-99 City of Seal Beach Comment Letter re: Draft Project Work Plan—IR Site 1 (Wastewater Settling Pond) June 14, 1999 The general format of the document is helpful to readers in clearly indicating the existing conditions at IR Site 1, the reasons for the proposed removal action at this site, and the procedures to be utilized to complete the removal action. The City has previously commented regarding the potential for cultural resources to be present at IR Site 1, and previous documents regarding this site have discussed the unlikely occurrence of cultural resources at this site, indicating that if archaeological resources are encountered, the provisions of the National Archaeological and Historical Preservation Act would be invoked at that time. It is requested that a worker-training program be prepared by an archaeologist similar to those set forth in previous "Archaeological Resource Protection Plans" for the Weapons Support Facility. The training program would allow on-site workers to be trained to be able to better identify any cultural resources which may be encountered, and allow for protection of those resources. The City Council considered and discussed this document and a staff report on June 14, 1999. The City Council authorized the Mayor to sign this letter indicating the official comments of the City of Seal Beach, Thank you for your consideration of the comments of the City of Seal Beach. Please do not hesitate to contact Mr. Lee Whittenberg, Director of Development Services, City Hall, 211 Eighth Street, Seal Beach, 90740, telephone (562) 431-2527, extension 313, if you have any questions regarding this matter. In addition, please provide a copy of the Final Project Work Plan to Mr. Whittenberg for City information purposes when it is available. Sincerely, -PO /11-57"------- Paul Yost Mayor, City of Seal Beach Distribution: City Council City Manager Planning Commission Director of Development Services Environmental Quality Control Board Archaeological Advisory Committee Draft Project Work Plan,IR Site 1.CC Comment Letter 2 City Response Letter re:Draft Project Work Plan-IR Site 1, Weapons Support Facility, Seal Beach City Council Staff Report June 14, 1999 ATTACHMENT 2 "Draft Project Work Plan -Removal Action Installation Restoration Site 1 — Wastewater Settling Pon4 Naval Weapons Station Seal Beach", Southwest Division, Naval Facilities Engineering Command, dated May 18 1999. NOTE: Due to the length of the complete document, 332 pages, it has not been provided to the City Council. The "Executive Summary", Table of Contents and Figures (21 pages) have been provided to the City Council. 7 Draft Project Work Plan,IR Site 1.CC Southwest Division Naval Facilities Engineering Command Contracts Department 1220 Pacific Highway, Building 127,Room 112 San Diego, CA 92132-5190 CONTRACT NO. N47408-92-D-3059 DELIVERY ORDER NO. 0016 DRAFT PROJECT WORK PLAN May 18, 1999 REMOVAL ACTION 1 INSTALLATION RESTORATION SITE 1 1 WASTEWATER SETTLING POND NAVAL WEAPONS STATION SEAL BEACH SEAL BEACH, CALIFORNIA Prepared by: VS FOSTER WHEELER ENVIRONMENTAL CORPORATION 611 Anton Boulevard, Suite 800 Costa Mesa, CA 92626 c,pFESS/04,, ,�cADEGy/!Fy / I �' Z NO.C048542 C Z 73 rn Jamshid Sadeghi sour,Ph.D.,P.E. c y Da?6-30-2000 '32 Delivery Order Manager * * ' 43' CNIL ���' N-1.'OF CA1-*c3 .1 let H 1 amparsumian ---27L Project Superintendent l EXECUTIVE SUMMARY This Executive Summary describes the scope of a non-time critical removal action at Installation Restoration Site 1 (Site 1) at Naval Weapons Station (WPNSTA) Seal Beach, Seal Beach, California. The Department of the Navy (DON), Southwest Division (SWDIV), directs this removal action in accordance with requirements of the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) and the National Oil and Hazardous Substances Pollution Contingency Plan (NCP). The DON has determined upon review of the Site's -operational history and site-specific soil investigative data that this site contains elevated coneen- trations of chemicals of concern (COCs) in soil requiring a response action. The DON has initiated a removal action for the impacted soil at Site 1 to minimize any potential threats to human health and the surrounding environment. The planned removal action for the contaminated soils at Site 1 is excavation and off-site disposal. It is anticipated that no further action will be required at this site after implementation of the planned removal action. Site 1 is an approximately 3-acre area located near.6th Street and Case Road inside WPNSTA Seal Beach. It consists of a depression (Wastewater Settling Pond) within a triangular-shaped 1 area bordered by the raised beds of railroad tracks and the surrounding streets and an area of contaminated soil outside the tracks. The railroad and the adjacent paved roads are elevated several feet above the grade of the site. The depression is predominantly covered with native grasses and brush. An agricultural field is located adjacent and to the north of Site 1. Site 1 served as a repository for liquid waste discharged from Building 71 between 1945 and 1971. The discharged wastes included chromic acid, alkali solutions, and process water associated with cleaning and pickling operations staged in Building 71. Liquid waste from metal cleaning activities in Building 71 were gravity-fed through a 6-inch diameter pipe to the depression at Site 1, forming a pond. An estimated total of 52,000 gallons of alkali solution and 12,000 gallons of chronic acid were discharged to the pond. The pond was reported to have an average depth of approximately 4 feet (Naval Energy and Environmental Support Activity, 1985). Most of Site 1 is underlain to a depth of 4 to 6 feet below ground surface (bgs) with fair to moderate permeability sandy silt and clayey silts. Beneath this to a depth of approximately 16 feet bgs is stiff low permeable clay, which is underlain by a continuous sand layer between 5 to 10 feet thick. The depth to groundwater beneath Site 1 ranges from 11 feet to 15 feet bgs. { A series of environmental investigations were conducted between 1987 and 1997 to assess the potential environmental impacts of past site operations. In July 1993 the Navy initiated a remedial investigation (RI) at Site 1. Field screening was conducted as part of the RI investigations using chromium, lead, and zinc as indicator chemicals. The field screening results were used to estimate the approximate extent of contamination oustide the pond. NAVY\DEL I6\SITE I\woRKPLANIE 13643.DOC The RI also indicated that aluminum, arsenic, beryllium, cadmium, total chromium, copper, lead, manganese, mercury, nickel, selenium, vanadium, and zinc were detected at Site 1 at concentrations above stationwide background levels. In general, the concentrations of metals at Site 1 decreased with increased depth (CH2MHi11, 1998). Organics detected at Site 1 included acetone, tetrachloroethene, methylene chloride, bis(2-ethylhexyl phthalate) (BEHP), phenanthrene, pyrene, pesticides, Aroclor-1254, TPH-diesel, and TPH-gasoline. It should be noted that acetone, methylene chloride, and BEHP are common laboratory contaminants. The highest concentrations of the pesticides/polychlorinated biphebyls (PCBs) were detected in the surface samples. Pesticides/PCBs were not detected below the root zone (18 to 30 inches). Many of the pesticide/PCB results were P-quality, indicating a potential false positive. The final RI report which was completed in December 1995 (SWDIV, 1995) identified antimony, arsenic, copper, dieldrin and polychlorinated biphenyls (PCBs) to be of concern for human health and chromium, copper and zinc to be of ecological concern at Site 1. Of these chemicals, arsenic, dieldrin, and Aroclor-1254 are known carcinogens. As part of the RI investigations, three groundwater monitoring wells were installed at Site 1 and groundwater samples were analyzed for metals, volatile organic compounds, semi-volatile organic compounds, PCBs/pesticides, and general chemistry analytes. The groundwater sample results indicated no significant groundwater contamination. The wells were sampled for four quarters, confirming the initial results. The RI concluded that there is no significant threat to human health or ecological receptors from groundwater. Using the analytical results from the RI, a baseline human health risk assessment (H RA) and a preliminary ecological risk assessment (EcoRA) were conducted for chemicals of potential concerns at Site 1. COCs for human health and ecological chemicals of concern (ECOCs) were detected at concentrations in soil that exceeded an excess lifetime cancer risk (ELCR) of 1x104 or a hazard index (HI) of 1 for human health COCs or criteria established in the EcoRA for ECOCs. The RI determined that the primary potential routes of human exposure at Site 1 are inhalation of 1 dust particles, dermal contact, or ingestion of exposed surface soils by future on-site residents. In addition, because contaminants are present at the surface at Site 1, it is possible that nearby workers and future residents could be exposed through inhalation, dermal contact, or ingestion. Ecological receptors at Site 1 include wildlife and plants exposed to onsite surface and subsurface contaminants. The primary potential routes for the ecological receptors are ingestion of surface soils or ingestion of plant and invertebrate tissue. Vegetation inside the pond at Site 1 consists of a mixture of grasses and other upland plants. In the past, the area outside the pond has been used for agriculture. However, agriculture has been I restricted from the site to prevent exposure to human receptors. I NAVY\DEL 1aSrn:1\WORKPLAN\E13643DOC !1 Ground squirrels are abundant at the site living in burrows in the embankments and feeding on vegetation at the site. Other small rodents are probably also present, as indicated by burrows and trails in the vegetation. Birds also use Site-1 for foraging. Red-tailed hawks and American kestrels had been observed frequently at the site. Great blue herons have been observed hunting on Site 1, and starlings, rock jdove and shore birds also use the site. Starlings, rock doves, shore birds, and raptors also use adjacent agricultural areas. Five Federal- or state-listed endangered birds are known to inhabit WPNSTA Seal Beach and the associated wetlands (CH2MHill, 1998). The birds are the California least-tern, light-footed clapper rail, the California brown pelican the peregrine falcon, and the Belding's savannah sparrow. The Seal Beach National Wildlife Refuge where these endangered birds are known to reside is situated immediately adjacent and to the south of Site 1. The risk assessments conducted aspart of the RI demonstrated that current conditions at Site 1 present a potential risk to environmental and hum4n receptors due to elevated levels of metals and other contaminants at Site 1. Because of the significant threats to human and ecological receptors from Site 1,the RI determined the soil contamination warrants a removal action. In order to evaluate and recommend an appropriate response action, the Navy prepared an Engineering Evaluation and Cost Analysis (EE/CA) for Site 1. The EE/CA (CH2MHill, 1998) identified the removal action objectives (RAOs) and analyzed several removal action alternatives to address the soil contamination at Site 1. The RAOs for Site 1 were developed based on CERCLA, the NCP, Applicable or Relevant and Appropriate Requirements identified by the Navy in the EE/CA (CH2MHill, 1998), and a 1 baseline HHRA and a preliminary EcoRA presented in the Final RI (SWDIV, 1995). The RAOs for Site 1 are designed to eliminate exposure pathways for contaminated soil to human and ecological receptors, and mitigate future impacts to groundwater and control off-site migration of the soil contamination (CH2MHill, 1998). To help meet these RAOs, site specific target cleanup goals (TCGs)were established for the areas where the removal actions would occur. Following the completion of the RI in 1998, a Phase H EcoRA was performed (CH2MHill, 1999a). This Phase II EcoRA was conducted in order to reevaluate the selection of the ECOCs and the identification of target cleanup levels or Ecological Preliminary Remediation Goals (EPRGs) for chemicals in soils at Site 1. The study involved collecting and analyzing site- specific data to establish ratios of chemical concentrations in biological tissues of various ecological receptors to chemical concentrations found in the soils. As a result of the Phase H EcoRA the ECOCs and their respective TCGs were revised and documented in the Action Memorandum/Remedial Action Plan (AM/RAP) prepared by the Navy (CH2MHill, 1999b). The Phase II EcoRA concluded: 1) chromium, copper, lead, and selenium are the ECOCs at Site 1; 2) chromium, copper, and lead exist in soils inside and outside the pond at concentrations greater NAVYIDEL16\SrlEI\WORKPUN\E13643DOc iii than their established EPRGs; and 3) selenium exists in soils outside the pond at concentrations greater than its established EPRG(CH2MHill, 1999b). The revised TCGs presented in the AM/RAP were based on the more stringent of the following criteria or background concentrations, if higher: • ELCR of lx10' and a HI of 1 for human health COCs identified in the HHRA (SWDIV, 1995). • Ecological Preliminary Cleanup Goals identified in the Phase II EcoRA (CH2MHi11, 1999a). The TCGs that were developed are 29 milligrams per kilograms (mg/kg) for antimony, 15.38 mg/kg for arsenic, 83 mg/kg for chromium, 102 mg/kg for copper, 35.7 mg/kg for lead, 1 mg/kg for selenium, 0.014 mg/kg for dieldrin, and 0.026 mg/kg for PCBs. The TCGs developed for Site 1 are risk-based concentrations that, if attained, would provide adequate protection to human and ecological receptors, as well as protection of the groundwater. In addition, because this alternative calls for the complete removal for soil above the risk-based concentrations, it is considered very effective over the long term. The removal action recommended for implementation by the Navy for the contaminated soils at Site 1 and presented in the EE/CA and the AM/RAP is excavation and off-site disposal. This alternative consists of excavating, transporting, and disposing of contaminated soil offsite and backfilling with clean imported fill. The excavation and off-site disposal alternative would remove the risk posed by Site 1. Prior to soil excavation, a geophysical survey will be performed to assist in locating and marking any underground utilities or features and to provide utility clearance. A land survey will also be performed to assist in establishing the existing grade and marking the estimated limits of excavation. Other pre-excavation activities include the removal of the railroad tracks along two sides of the site; removal of the steam pipeline that traverses the contaminated area and extends to building 72 (which is located at the west side of the site); the abandonment of the groundwater monitoring wells installed during the RI investigations; and the construction of a decontamination pad. An approximately 250-foot-long section of the steam pipe will be dismantled, removed, and disposed of. The steam pipeline will be terminated at its entrance to Building 72 and approximately 250 feet to the east, just outside the limits of excavation. The insulation around the pipeline will be tested for asbestos containing material, prior to demolition and removal. The steam pipes will be cut in manageable lengths of approximately 10 feet. If the test results indicate asbestos-containing material in the steam pipe, an asbestos abatement program will be implemented during the removal, handling, transportation, and disposal of the waste material. Asbestos-containing material will be disposed of at an approved and appropriate disposal facility. I NAVYlDEL16\srrE11WORKPLAME13643DOC iv The excavation of the contaminated soils will commence following the removal of the steam pipe, the railroad tracks and the abandonment of the groundwater monitoring well located inside the pond. The areas for excavation will be based on the TCGs. The vast majority of the 1 contaminated soil is limited to the upper 2 feet of soil. Therefore, the top 2-feet of soil in the 1 areas inside and outside of the pond will be excavated and removed. 1 After excavating the top 2-feet of soils within the areas inside and outside of the pond, verification samples will be collected from the floor and sidewalls of the excavations to ensure that the removal action satisfies the TCGs. All soil with concentrations of COCs above the corresponding TCGs will be further excavated in one-foot lifts. The area in question will then be resampled, and the process will continue until all TCGs are achieved. Certain areas within the site may have to be excavated deeper than the initial 2-feet. The maximum depth of the excavation in any one area is expected to be 7 to 8 feet bgs. The in-place volume of soil to be excavated is estimated to be 18,900 cubic yards or 23,600 loose cubic yards of soil (assuming a t 25% swell factor). Excavated material will be stockpiled on site. The.stockpiled soil will be sampled for waste classification purposes. Soil and debris classified as Resource Conservation and Recovery Act (RCRA)hazardous waste will be transported to a CERCLA approved licensed treatment, storage, and disposal facility for treatment and disposal. Soil and debris classified as non-RCRA California hazardous waste will be transported to a CERCLA approved licensed Class I facility for disposal. Soil and debris classified as nonhazardous waste will be transported to a licensed Class III facility for disposal. Contaminated soil will be loaded into trucks or railcars for transportation to disposal facilities. Loaded trucks will be weighed to ensure compliance with Department of Transportation regulations. A hazardous waste manifest will be filled out for each load and provided to the transporter for shipment. The excavated areas will be backfilled using clean fill material obtained locally from an off-site source(s). The supplier will certify all imported fill material as free of any contaminants. The fill material will be placed in the excavation areas in 12-inch compacted lifts. The backfill material will be placed and compacted to 90% of the maximum dry density as measured by the Modified Proctor Test(American Society for Testing and Materials D 1557). A minimum of eight in-place density tests will be performed for each lift (four from the inside of the pond and two from each of the areas outside the pond on both sides of the railroad tracks. The final 6 inches of backfill will not be compacted, but will be graded for site restoration. NAVY wII.l6\SITE flWORKPUrr\E13643.noc V After the excavation has been backfilled to the original grade, the area will be restored to a condition consistent with its surrounding; a six inch thick top soil will be placed over the backfilled areas and hydro-seeded; and the railroad tracks will be reinstalled in their original locations. _ 1 Following site restoration, all construction equipment will be removed from the site. The results of the removal action will be documented in a Project Close-Out Report and presented to the DON, the responsible regulatory agencies, and the Restoration Advisory Board. ,a I l 1 1 NAVY\DEL 16\SfE1\WORRPL&N\E13643.DOC V i { TABLE OF CONTENTS PAGE EXECUTIVE SUMMARY i TABLE OF CONTENTS vii LIST OF FIGURES x } LIST OF ACRONYMS xi 1.0 INTRODUCTION 1-1 2.0 SITE CONDITIONS 2-1 2.1 SITE DESCRIPTION AND HISTORY 2-1 2.2 PHYSICAL CHARACTERISTICS 2-2 2.2.1 Geologic Setting 2-2 2.2.2 Site Hydrogeology 2-2 2.3 CHEMICAL CHARACTERISTICS 2-4 2.3.1 Chemicals of Concern and Their Concentrations in Soil 2-4 2.3.2 Extent of the Contaminated Soil 2-4 2.4 RISK EVALUATION 2-5 3.0 REGULATORY FRAMEWORK 3-1 3.1 REGULATORY PROCESS 3-1 3.2 APPLICABLE OR RELEVANT AND APPROPRIATE REQUIREMENTS (ARARS) 3-1 3.3 SOIL TARGET CLEANUP GOALS 3-2 3.4 PUBLIC INVOLVEMENT 3-3 ` 4.0 PLANNED REMOVAL ACTIVITIES 4-1 4.1 SUBCONTRACTING/PROCUREMENT 4-1 4.2 PERMITTING AND NOTIFICATIONS 4-2 4.3 PREPARATORY ACTIVITIES 4-2 4.4 MOBILIZATION 4-3 4.5 RAILROAD TRACK REMOVAL/REPLACEMENT AND PIPE RACK REMOVAL 4-3 4.6 MONITORING WELL ABANDONMENT 4-4 4.7 TEMPORARY DECONTAMINATION FACILITIES • 4-5 4.8 EXCAVATION 4-5 4.8.1 Soil Stockpiling 4-6 4.8.2 Stockpile Sampling 4-6 NAVYIDII.I66STTEI\WORKPLAME13643.DOC Vii TABLE OF CONTENTS (Continued) PAGE 4.9 VERIFICATION SAMPLING 47 4.10 CHEMICAL ANALYSES 4-8 4.11 WASTE DISPOSAL 4-8 4.11.1 Solid Waste and Wastewater Disposal 4-8 . • 4.11.2 Contaminated Soil Disposal 4-8 4.11.3 Traffic Control 4-9 4.12 BACKFILL AND COMPACTION 4-9 4.13 SITE RESTORATION 4-9 4.14 DEMOBILIZATION 49 5.0 CONTRACTOR QUALITY CONTROL PLAN 5-1 5.1 QUALITY ASSURANCE/QUALITY CONTROL ORGANIZATION 5-1 5.2 QA/QC MANAGEMENT SYSTEMS 5-1 5.2.1 Preliminary Work Authorization 5-1 5.2.2 Coordination and Mutual Understanding Meeting 5-1 5.2.3 QC Meetings 5-2 5.3 QC RECORDS 5-2 5.3.1 Site Specific CQC Plan 5-3 5.3.2 CQC Manager Appointment/Authority 5-3 5.3.3 CQC Engineer Appointment/Authority 5-3 5.3.4 CQC Meeting Minutes 5-3 5.3.5 Project Meeting Minutes 5-3 5.3.6 Laboratory Qualification 5-3 5.3.7 Certified Testing Lab Statements(If Applicable) 5-3 5.3.8 Laboratory Test Results 5-4 5.3.9 Field Test Results 5-4 5.3.10 Summary Report of Field Tests 5-4 5.3.11 CQC Report 5-4 5.3.12 Contractor Production Report 5-5 5.3.13 Completion Certification 5-6 5.3.14 Testing Plan and Log 5-6 5.3.15 Rework/Non-Compliance List............ 5-6 5.3.16 As-Built Records 5-7 5.3.17 As-Built Records Certification 5-7 5.3.18 CQC Program Operations and Activities 5-7 5.3.19 Submittal Register 5-7 5.4 CONTROL INSPECTION AND TESTING 5-7 5.4.1 Control Inspections 5-7 5.4.2 Preparatory Inspection 5-7 5.4.3 Initial Inspection 5-8 5.4.4 Follow-Up Inspection 5-8 NAVYMELlaSITEMVORKPLAME13643.noc viii I I TABLE OF CONTENTS (Continued) ` PAGE I 5.4.5 Completion Inspection 5-8 5.4.6 Control Testing 5-8 1 6.0 ENVIRONMENTAL PROTECTION PLAN 6-1 6.1 EXISTING NATURAL RESOURCES 6-1 6.1.1 -Biological Resources 6-1 6.2 REGULATORY REQUIREMENTS 6-1 1 6.2.1 Permitting 6-2 6.2.2 Excavation Activities 6-2 6.2.3 Waste Management and Disposal 6-4 6.2.4 Waste Minimization 6-6 6.2.5 Waste Containerization and Storage 6-7 1 6.2.6 Labeling ',. 6-7 6.2.7 Storage 6-7 6.2.8 Waste Transport 6-8 6.3 RELEASE PREVENTION,RESPONSE,AND REPORTING 6-9 6.3.1 Spill Prevention 6-9 1 6.3.2 Spill Response, 6-9 6.3.3 Spill/ReleaF sporting 6-9 6.4 PROJECT AND F JNNEL REQUIREMENTS 6-10 6.4.1 Person' aining/Certification Requirements 6-10 1 6.4.2 Inspec- ..,and Audit Procedures 6-11 ! 7.0 PROJECT MANAGEMENT 7-1 1 7.1 PROJECT SCHEDULE 7-1 7.2 PROJECT RESPONSIBILITIES 7-1 [ 7.3 DATA MANAGEMENT 7-3 7.4 DOCUMENT CONTROL 7-3 7.5 MEETINGS AND REPORTS 7-4 1 8.0 COMMUNITY RELATIONS ACTIVITIES 8-1 8.1 PUBLIC INFORMATION 8-1 [ 8.2 PUBLIC PARTICIPATION 8-1 9.0 REFERENCES 9-1 • f ATTACHMENTS Attachment 1 Field Sampling Plan Attachment 2 Quality Assurance Project Plan ( Attachment 3 Final Site Health and Safety Plan, Sites 1, 8, and 19 1 1 NAVYNDELIMSITEMORKPLAME13643DOC ix I LIST OF FIGURES 1 Site Vicinity Map J 2 Site Location Map J 3 Site Plan 4 Sample Location Map _1 5 Extent of Soil Excavation 6 Verification Sampling Grid 7 Project Schedule 1 1 1 i NAVY\DELI6'SrrE1\WORKPLAME13643.DOC X J 1 1 LIST OF ACRONYMS AM/RAP Action Memorandum/Removal Action Plan f ARARs Applicable or Relevant and Appropriate Requirements ASTM American Society for Testing and Materials BEHP bis(2-ethylhexyl phthalate) bgs Below ground surface CCR California Code of Regulations 1 CERCLA Comprehensive Environmental Response, Compensation, and Liability Act C, CFR Code of Federal Regulations i COC Chemicals of Concern CODER County of Orange Department of Environmental Health CPT Cone Penetrometer Tests CQC Contractor Quality Control IDHS Department of Health Services DOM Delivery Order Manager IDON Department of the Navy DOT Department of Transportation c DTSC California Department of Toxic Substances Control DWR California Department of Water Resources I ECOCs Ecological Chemicals of Concern EcoRA Ecological Risk Assessment f EE/CA ELCR Engineering Evaluation/Cost Analysis Excess Lifetime Cancer Risk EM Electromagnetic Instrument tEPPEnvironmental Protection Plan EPRGs Ecological Preliminary Remediation Goals 1 Foster Wheeler Environmental Foster Wheeler Environmental Corporation FSP Field Sampling Plan GPR Ground-Penetrating Radar HHRA Human Health Risk Assessment HI Hazard Index IR Installation Restoration I LDR Land Disposal Restriction ! mg/kg Milligrams per kilogram LNAVY\Da16\51TE11WORKPUN\E13643DOC X1 1 LIST OF ACRONYMS (Continued) NCP National Oil and Hazardous Substances Pollution Contingency Plan J NFESC Naval Facilities Engineering Service Center NTCRA Non-Time Critical Removal Action 1 NTR Navy Technical Representative OSHA Occupational Safety and Health Administration OU Operable Unit PCB Polychlorinated Biphenyl Phase H EcoRA Ecological Risk Assessment Phase II Validation Study PPE Personal Protective Equipment PVC Polyvinyl Chloride QA/QC Quality Assurance/Quality Control QAPP Quality Assurance Project Plan RAB Restoration Advisory Board RAOs Removal Action Objectives RCRA Resource, Conservation, and Recovery Act RI Remedial Investigation ROICC Resident Officer in Charge of Construction RPM Remedial Project Manager RWQCB Regional Water Quality Control Board, Santa Ana Region SBNWR Seal Beach National Wildlife Refuge SCAQMD South Coast Air Quality Management District SHSO Site Health and Safety Officer SHSP Site Health and Safety Plan STLC Soluble Threshold Limit Concentrations SWDIV Southwest Division TCG Target Cleanup Goal TCLP Toxic Characteristic Leaching Procedure TSDF Treatment, Storage,and Disposal Facility TTLC Total Threshold Limit Concentration USEPA U.S. Environmental Protection Agency WET Waste Extraction Test WPNSTA Naval Weapons Station NAVYIDEL16\SITE 11WORKPLAMEI3643DOC Xli I � r I FIGURES 1 NAVY EL161SrrE1IWORKP AN\E13643DOC 1 I I Monterey •o 1 Park m 4 0 ....., Whittier 1 \ ° Q'•j/ , 'I l • '� ��J I Los Angeles lL 4 N © ? 41) % Rose Hillsi — 7 Memorial Park m / • Inglewood Whittier College I' �......... / / Whittier E 4/ 1 Hollywood Park 0 0 , Downey Lynwood m Compton /¢ n I , Norwalk rp�0 i 4111 0 C!" Fullerton m Cal State Univ. /A0 1 y SCP ■ • " ; �0 Torrance ' Lakewood N. Pic eA V 0 11 v O� Armed Forces Anaheim Torrance Airport c 1 Reserve Center -' _ ' Disneyland II a N J Cal.State Univ. r i O I Lons Beach . i, r i O t ‘ \ Long - -r ..Harbor Regional Par Beach Q Q_ CO •-•-• 0 i �. \ Lon Beach Seal Be h < k . 'z Los \Harbor Anaheim Bay Angeles / Harbo ,\Bolsa Chica V 1 Fort MacArthu Angels Gate Lighthouse Ecological Lighthouse ' Reserve O WEAPONS SUPPORT FACILITY,SEAL BEACH& �/ e . I SEAL BEACH NATIONAL WILDUFE REFUGE 0, Huntington BeachI {j r 1 % t I � H N 7i ni ao w Site Location Figure 1 VIn o 1.5 3.0 VICINITY MAP o r ._ i SITE 1- WASTEWATER SETTLING POND "% SOURCE: Approximate Scale in Miles SOIL REMEDIATION PROJECT V WPNSTA, SEAL BEACH, CALIFORNIA i<v EE/CA, 1998 - CH2MHILL Ii< DRAFT ENVIRONMENTAL IMPACT STATEMENT FOSTER VWHEELER c U.S. DEPT. OF INTERIOR/U.S. NAVY MAP 1990 NVIRONMENTAL CORPORATION %' .....•.. - wrrre __- - ---..., ._...--... rrr.w WNW 1Wy41 .......•• rw+. '--- SAN DgCO FREEwA ��..r g" I..., il i' N te7 r: I � �- ail 1 L I!4 i A � 1 111 1000 0 1000 2000 • t A I SCALE IN FEET , . . I 1 I I ma ' LEGEND \WESTMINSTER ' n m o o EXISTING BOUNDARY OF .1;,di11 1 r� Mil 111111 .111 E 111 111 $ NAVAL WPNSTA SEAL BEACH fe, • 4��"' tl ����/ '- • • NATIONAL WILDLIFE d '', REFUGE BOUNDARY 4y'.t_ "' ''•1, *"' SITE 1 - WASTEWATER r6 ,' ''j' ''i SUMO POND A,(,4.7 . % �, y V, „::: , i' ' <2/ Ail,ii., Akiii b1 i r• _ . 1111 ,Mito ✓/ , ,ti.1ih.iii.niii..: ii low T ♦�� NATIONAL �. ' r c,A Wkolillhallwarogr) Is in .r vi'• v y. �. wILDL►FE REFUGE 1cm r' .. 44: \ ,. `' P. 1 sama:cc/Ira► ,ove w •u11 nFigure 2 o dJr k• • 1\ ' IT _ LOCATION MAP y„ •- SITE 1WASTEWATER SETTLING POND • ,V b• ` \ 'I 1 SOIL REMEDIATION PROJECT il 'IT I o a. ��o- • +�`'.� "" . -' ... `EON `" T-...A . "' " "' '" " " "'-`. - "" .JI WPNSTA SEAL BEACH CALIFORNIA � , FOSTER rise WHEELER PACIFIC OCEAN AN ENVIRONMENTAL CORPORATION — ��-� - - - .... ... .,...,..r.4 - arrrn W.�.*'..s r .., "...... ... ....�.....„ J /� 1 V � /// # N il Background Stratwn 0 150 300 Approximate Scale in Feet ) I --- # 1"—ISO' FieldsExplanadan Y s :::::::,. 1 11 APPROXDA Building I ► Railroad Tacks — - - - Estimated Site Boundary ��LiIB �AC� National Wildlife Refuge SOILSOUTSIDE THE POND BoundarytBetimated extent of contminated arinsidethepond 5 o X y : saw Line Estimated extent of contaminated area ` IIIUIoutside tpond Inside Site i. $ the Pond ♦ ` ���1I1r — S. Illlbl, n l .� 711111.77i-1 Outside the V n • O N , , 1 Pond Figure 3 ei< 1$8144 , M �✓ SITE PLAN �Q,. SITE 1— WASTEWATER SETTLING POND ''!ti SOIL REMEDIATION PROJECT il Natlioed �. / Wildlii�Remoy ,.\\ _WPNSTA, SEAL BEACH, CALIFORNIA irAo ii a. I s / .• FOSTER 911 WHEELER '� •• ENVIRONMENTAL CORPORATION P" - _ 1 vim/mama 'H3V38 was 'YJSNdl1 — — -- . . —. ;G I ONOd ONPLLL3S 1118.1611315711-I aLIS ',` ,, 3 • dYN NOLLY3O'I YIdNYS-NOLLVOLLSZANI SROIABHd 3 f sld 14110t► NOLLVdOdtlOO 1V1N3VINOUTAN3 6O011I10 • i N3133FIM O tl3180d ��NM INNIM•IMNI6 \ •' Zisk 03RPP-AS I ■ • Ora loll MI 114 18Y 00141 H V • `76, ,,M �� MIrn m s1 III p 1A 11411 ti tY 4` ,:';�f0' MW MIT MI u e4 001111 CFO 0•Iaf18 w / f� i I�MiI:. AML}{ ' N. Im18v w atltt� 3 . i , ' �d� ary rn♦ .v rn If for wtp mil 6 �� .41T T NU Ow' Ill r: A me Rtl rF q�I�•4 •. 1...,. '.. ` -R 1 t1 OIi) II II K IM IOM ti I lam"p �Parso. :i,...••.: r �I14 mor Mt is WI It II at•I rl-0 •wP11M911�1V �1111N ��M ' .:JIM•:.... PVM)�0 PO.)-,..0 -nu- ;: / / I 433.1•0 IN1.:: �. J LU R row �I m-11 • tIM18 pson man , MIC 001[ lc tv IV IT ml rH 601P061.1.0 41667 i o a• aa >r s d n Iarl rli Igttesi 0 Icor nuc al¢ o is IMT Mos M-U I� • ` - �- - PAM/•••• PW)� -�- i 111�i IPS I�� ilDl0 KW MIT WU IIISI tt Icon MITI ti p ' /7/K Int llu sv In aulr0 MITI tti - III ALIT Irlt IC st 1cn10 NMI r0-0 atN• . IPA 11401•111 �I10 atm!'..ro Pim)wa :. 1a Art .v ca m r Iry ray 11110 awl 30 ea )v D1 Ira H �N Pi NIRO• um No _ `• isl siv -�1 r iI WV/111 tM "WOG i--- 1u0RNi nr AMC 11/ n I nn AM ru-61 a�r�N� ;I ' ��I I,i. VQ. IOWu-it Ilafr wry Ia 4.8 of IN t- _. TIT Kit 70C Bi .i t 0m t-t Sow, p ;0 :.. leu m► au NI In •) Op ri _ IWO MIT TM IN rr IT nn t-1 x0111 MPM :'-:. A an AV 1 1¢ n 1111 ti I ��� WV Illi as .4 w nt11 cl1 :P I. / MOO nil AV Nit IN EV M • PVMI_0 III-)n.a IOW i - PVW�0 torso tmty N mMenfl IL �rC I naac nac m a n nr/l rnrol NON nix Nat in yr tD In ::: H awe }• l'/ @n OIrt i I TV Tl w lr AM I[il tNO I a0W1 V ` 1110111 '' Iy Jane , PVM�o Pv�)�o '-1a6— im18 i / QOI ...11 v $1611.114865__V 111018v '-- 11018° �....,--.:.:' - 00[ OOl 0 ��SP MO Dale NTS 0 0 N Background Stratum 0 130 300 .-_.4\' ----..., ..\1 � Approximate Scale in Feet 1"—150' Y FWdlt F.x�lmtton I I 71 Building + Railroad Tracim — — — Estimated Site :c; TEMPORARY Boundary ,, };2 / CHAIN—LINKED — — :»:_;::: FENCE — National Wildlife Refuge •''''•i / , 1f�f a Boundary ii.•`' APPROXIMATE Lima 1 SOF EXCAVATION Estimated extent of ED GATE •,. :..��..`, contaminated arca .'.` inside the pond 2 , . -,- -. ., �I Estimated extent of Steam Lime IIIIIIIIII ' area IIII a mmated V 'xao' a Site ICONTAMINATION �►the P 1.1__'Inside���/' \ IIII14111 III� ♦ HOutside theIlllluN Pond Figure 5• ' 111 EXTENT OF SEXCAVATION SITE 1— WASTEWATER SETTLING POND SOIL REMEDIATION PROJECT FR Wife �� WPNSTA, SEAL BEACH, CALIFORNIA FOSTER Nit WHEELER ENVIRONMENTAL CORPORATION 01.111.111 moo �� r--, ^�"'� 0.+••••••• ar.rrr �i a1 - rc: ...+y r.w».. r.-,-.... ..bpi. 17. t e° //////://77 4. N -C ----Background Stratum ° Iso 300 � ► I Approximate Scale in Feet �- l^=lsa �1111 leirill ��� h�,� III r. AgriculturalFi°IdaExplanation II� I'I�,ji!�il1IiII�;!I i'I ;IIII il • i . r1 IIIIII IIIA Iu,F III II SII pI'q I 7I :j;I dIII I ill illi IIII' ' �i�Mlp� 4a I Building �14u;Ili�llll11111111 �rIIIII dt e� Ab644$. ul41 lili;I uiIIl ��1 I • 4 r Railroad Tracks Ai II al II dell i 4101t#441 I I — — — — Estimated Site �I i• 11111 APPROXIMATE LIIviTfSBoundary + p.1� III Ir 111 OF EXCAVATION — . . — . . — National Wildlife Refuge j-IIII'•j^I4111 I NIII1 Boundary V�Illli lj111 I i S 74.A4,1kP4 ,'III(�jllhlrrrhhh���yyyI''fl Estimated extent of ovvjoi.. �'II►pl dI1 P contaminated area itoy114111 'NII !1 inside the pond No 4,44f0.1Z4ililitiltilliEstimatod extent of 1Irl. Steam`i°° IIIIIIIIIIOu contaminated area 404: :'I• ( IIIIoutside the pond Inside II III; illl I �, the Pond ��I II'', n _ _• 4#4,•`4111111P il �isi �� �u;,IIIhIi' riltilits,II�IIII;II, --�' ♦ �I� �II p1yuull! � Outside the IIIIIIII i;1 I!ill I to ♦• ♦ '♦ II+GIII�r ' �Iliglill" Pond Figure 6 �pI VERIFICATION SAMPLING GRID im / '♦ SITE 1— WASTEWATER SETTLING POND / National SOIL REMEDIATION PROJECT filo ° 'R� Refuge FOSTER WPNSTA, SEAL BEACH, CALIFORNIA Wildlif? / ♦ / ♦ Nil WHEELER 'e / ♦ RONMENTAL CORPORATION — .-��. — tt IMMIX — ;;ly'1..\I .. o,{lt! r t ..:'y, :.., .t y M1.c a a t.._ t` n 4:1,1 P. ti ..d•.t' xY i tom. 'It .IQ. w.. •r e�' '! .t.C ' . 1. �J'" •a. r`.t.r<e. 4 . 7 •tst3 s -,,..- e y * 1-11%74:44;':'‘ ' 41 Cti ." ; '' �� ,. ;i.: � ,,-. r '..i�, ai::ts„'e,,: ......:'�,.n _i'�t'„k'� ::".5.. ..�Y.k}iru�s+k...S.4.+! e...xfl4ir�.�lx�� �t.1 oC!Y�.Srs a.�Ar� �M' ...Ys:s�k!���.• ��??{Rrtti.�fiV:.S�gd?;li�•.t.3f..xtri^+:.sr_e:''�a._ • :"x`t*r ,' ':'1Y,:....‘544:'r j ii. °�,:4,s; A^» +11;' ,cAr"r e.1:41 ......r..y, a ` IR i `til :",a?='SE ams 6 i .'�"�4"AIM F,. •al..,a1 "�^ �Y , X010 10 Mobilization ti ° :,2 "? ` -Z4 ;2b L X020 5 =Weil Abandonment X080 15 IMI=IMIIIMIMILISIte Preparation X030 5 =Steam Line Demolition X070 15 re-exc svation Sampling X040 15 I _Remove Tracks,Ties,Ballast X080 25 11111111111111111111MMIMIIIIIIIIIIIIIIMIIStripping X090 45 l (Excavation X050 45 — weriflcation Sampling X130 35 MIMI MIIIIIIIStockplle Sampling N X100 50 - Backfill,Grade and Compaction X150 20 1 _._= 7Replace Ballast,Ties,Tracks X140 55 Off-site Transport&Disposal 1 - X110 10 I -1Revegetate X120 5 --]Demobilize X160 50 Final Report Figure 7 Run DM. 25MAR99 I 1 Early Bir gk .eI l d 1 IIMIIIIIIIIIIIIIIMENI Proms Bar Site 1 -Wastewater Settling Pond IIIIMMME11.1111111 cr"*ter Naval Weapons Station,Seal Beachfie - Soil Removal Construction Schedule