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Draft Remedial Investigation Report for Pine Street Canal Site Burlington, Vermont

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Draft Remedial Investigation Report for Pine Street Canal Site Burlington, Vermont Site; Sfe£_i^^4^A/\j e Break: ^- ^ SDMS DocID 457822 Other; ^i52:M^ VOLUME IA DRAFT REMEDIAL INVESTIGA REPORT FOR PINE STREET C BURLINGTON, V MAY 1990 ROL NUMBER 27 U.S. EPA CT NO. 68-01-7448 WORK AS NT NO. 10-1L19 PREPARED BY PEER CONSULTANTS, P.C. **COMPANY CONFIDENTIAL** This document ^hafe been prepared for the U.S. Environmental Protection Agency under Contract No. 68-01-7448. The inaterial contained herein is not to" be disclosed to, or discussed with, or made available to any person or persons for any reason without prior approval of a responsible official of the U.S. Environmental Protection Agency. DISCLAIMER THIS DOCUMENT IS A DRAFT WHICH HAS NOT RECEIVED FINAL ACCEPTANCE FROM THE U.S. ENVIRONMENTAL PROTECTION AGENCY OR THE VERMONT DEPARTMENT OF ENVIRONMENTAL CONSERVATION. THE OPINIONS, FINDINGS, AND CONCLUSIONS EXPRESSED ARE THOSE OF THE AUTHORS AND NOT THOSE OF THE U.S. ENVIRONMENTAL PROTECTION AGENCY OR THE VERMONT DEPARTMENT OF ENVIRONMENTAL CONSERVATION. PERFORMANCE OF REMEDIAL RESPONSE ACTIVITIES AT UNCONTROLLED HAZARDOUS WASTE SITES REM VI U.S. EPA CONTRACT No. 68-01-7448 DRAFT REMEDIAL INVESTIGATION REPORT FOR PINE STREET CANAL SITE BURLINGTON, VERMONT EPA WORK ASSIGNMEN' DOCUMENT CONTROL No.< Prepared by Jeffr^yT^U^^Pa^cs ' ^ ^ Site Manage^-^'^^ Reviewed by: Date: SVL/_^ Reviewed by Date: 5 /G 190 Peter A. Crowley,^h.D( Quality Assurance/ Quality Control Manager Approve Date: M. Rascher n 1, RPM VOLUME IA TABLE OF CONTENTS SECTION PAGE EXECUTIVE SUMMARY 1.0 INTRODUCTION /./..._. 1-1 1.1 Purpose of the Remedial Investigation. /., J.,/. l-l 1.2 Site Background .X?-^VC./. 1-2 1.2.1 Site Description ./>>../>K. 1-2 1.2.2 Site History •X; •/ 1-9 1.2.3 Coal Gasification at Manufactured Gas Plants 1-10 1.2.4 Previous Investigations 1-27­ 1.3 Remedial Investigation Suiiiifi!txy«.^. 1-40 2. 0 STUDY AREA INVESTIGATION .\. •^s^^s> 7? 2-1 2.1 Surface Features ^s....y^ 2-1 2.1.1 Objectives and Methoaoltegies 2-1 2.2 Geophysical Investigations 2-2 2.2.1 Objectives and Methodologies 2-2 2.2.2 Suwey^gyipment 2-3 2.3 Air Inves1^ig^^tion< .-^.. >>7 2-4 2.3.1 0b3.ectiVes and Methodologies 2-4 2.4 Surface Water andySe^iment Investigation 2-9 2.4.1 Objectives 2-9 2.4.2 Methodologies 2-9 2^A^,3L„^^^ Surface Water Sampling Locations 2-13 /l.A.A\^ Sediment Sampling Locations 2-15 2 .p ^eolog^alv Investigation 2-18 X.^/&vl / y)bjectives 2-18 2s.5rVV /soil Gas Survey Methodologies 2-18 2rfev3 /Surface Soils Methodologies 2-23 2.5.4Ny Subsurface Soil Methodologies 2-28 VOLUME IA TABLE OF CONTENTS (Continued) 2.6 Groundwater Investigation 2-37 2.6.1 Objectives and MethodologiesyC./ 2-39 2.7 Ecological Investigations /.,/,./^ 2-43 2.7.1 Wetlands Delineation >K«./T.-/: 2-43 2.7.2 Ecological Populations ^V.. .fy. 2-44 2.7.3 Biota Sampling />>^.. >K; 2-44 3.0 PHYSICAL CHARACTERISTICS OF PINE STREET CANAL SITE'. 3-1 3.1 Surface Features 3-3 3.2 Climatology v<..,L* ^~^ 3.2.1 Temperature.. ,\., ~^,J^TT>>»„. 3-5 3.2.2 Precipitation. .\. .\T>?> ... .^. 3-13 3.2.3 Dry or Drought Perio^.yTTV. 3-15 3.2.4 Storms \.,,,/. 3-15 3.3 Surface Water Hydrology \ . \ 3-16 3.4 Geology .\/ 3-18 3.4.1 Soils 3-18 3.4.2 Regi^nals.Geology 3-20 3.4.3 Sii!e ..G^olbgy 3-27 3.5 Hydrogeol9^A../. ..^..>;7. 3-37 3.5.1 R^g:ionai Hydrogeology 3-37 3.5.2 SiteNHyd^rqgeology 3-39 3.6 Demography and LarKKTJse 3-45 3.7 Ecology 3-46 Wetlands 3-46 ''3.7.2 \ Ecological Receptors 3-51 r773\ \ Sampling Activities 3-57 3V.8 ^eld QVQP Procedures 3-60 ^.l^y /Quality Control Samples 3-60 3.8vji / Sample Custody 3-62 « • 11 VOLUME IA TABLE OF CONTENTS (Continued) 3.8.3 Field Logboo k 3-62 3.8.4 Eguipment Decontaminatio n 3-62 3.8.5 Sample Collectio nand Identic 3.8.6 Sample Container Labelling. 3.8.7 Chain-of-Custody Records../Vs ^.../ 3-65 3.8.8 Sample Shipping .>s..^V> . 3-66 3.8.9 Analytical Data Validation ^V^./^ 3-67 4.0 NATURE AND EXTENT OF CONTAMINATION 4-1" 4.1 Blank Samples 4-2 4.2 Contaminant Source(s).... ycv^v^* 4-6 4.3 Air Monitoring y,,. /TrrvNi^ 4-7 4.3.1 Real Time PersonXelNMoi^itoj^j/A g 4-7 4.3.2 Ambien tAir Monitoring. X 4-10 4.3.3 Conclusions X^../ . 4-19 4.4 Surface Water and Sediments... \ ./..- 4-23 4.4.1 Surface Water Analytical Results 4-23 4.4.2 Sedi Analytical Results 4 36 4.5 Soils Investy suits 4 -54 4.5.1 Samples 4- •54 4.5.2 amples 4* 57 4.5.3 c Surface Soil Samples 4­ 57 4.5.4 oil 4­ -68 4.6 Groundwater Investigation Results 4-103 4.6.1 Volatil eand Semivolatile Organic Analyses.. 4-106 Inorganic Analyses 4-124 4-133 iii VOLUME IB TABLE OF CONTENTS SECTION 5.0 CONTAMINANT FATE AND TRANSPORT. .5-1 5.1 Physical/Chemical Characteristics and Associated Transport Mechanisms 5-1 5.1.1 Polycyclic Aromatic HydrocajfbohsyfPAHs). .5-4 5.1.2 Other Semivolatile Organics. A ,yi./. 5-9 5.1.3 Volatile Organics Vs.. ^S/ ./. 5-9 5.1.4 Trace Elements '^X; * * ^ 5-11 5.1.5 Cyanides >v../Vv. 5-14 5.2 Potential Routes of Migration ^V/ 5-16 5.2.1 Surface Soil 5-16 5.2.2 Sediment 5-18 5.2.3 Subsurface Soi^....TTT^*-,^..^.^ 5-20 5.2.4 Groundwater... A,. .Vr>^ . .77^ 5-22 5.2.5 Surface Water.. .\. .\./. ./rw/ 5-24 5.2.6 Biota \. .Y. / 5-25 5.2.7 Air Pollution \...(.,. 5-26 6. 0 HUMAN HEALTH EVALUATION .\ / 6-1 6.1 Introduction 6-1 6.1.1 Oroanlzardon of the Risk Assessment......6-2 6.2 Identifica/i s of Potential Concem...6-3 6.2.1 d^k^ Evaluation 6-3 6.2.2 Soil^ . >K. .' 6-6 6.2.3 Surfcibe Wa^er 6-15 6.2.4 Sedimentvy. 6-19 6.2.5 Groundwater 6-22 6.2.6 Air 6-25 6.3 ure Assessment 6-26 Potentially Exposed Populations 6-33 Identification of Exposure Pathways 6-34 uantification of Exposure 6-42 dentification of Uncertainties 6-62 VOLUME IB TABLE OF CONTENTS (Continued) 6.4 Toxcity Assessment 6-63 6.4.1 Carcinogenic Chemicals of Potentl Concem •/' •/ 6-70 6.4.2 Noncarcinogenic Chemicals of Poce^ie Concern /• •/* •/* *^ 6-77 6.4.3 Applicable or Relevant and Apprdpriat Requirements (ARARs) • "Xr • • • •/ 6-85 6.4.4 Identification of Uncertainties>Vv...>r. 6-89 6.5 Risk Characterization ^>yyi... .6-90 6.5.1 Current Lan dUse... 6-92 6.5.2 Future Land Use 6-106 6.5.3 Identification of Uncertainties in the RiskCharacteri2ationrrT>».^. 6-129 6.6 Summary of the Human Health Evaljaation^ 6-134 7.0 SUMMARY AND CONCLUSIONS X-.V.. 7-1 7.1 Summary >i 7-1 7.1.1 Geology and Topography 7-1 7.1.2 Nature/andBxtent of Contamination 7-2 7.1.3 Fate zmd'^ai^sport 7-7 7.1.4 Human Health ^vih^^uation 7-9 7.2 Recommendat>^ri^v. J... ?">*/. 7-11 7.2.1 RecommerMed Remedial Action O jb ectives 7-11 7.2.2 Data Limit^t^ipns and Recommendations for Future Research 7-12 REFERENCES ATTACHMENTS 11 VOLUME III TABLE OF CONTENTS APPENDIX B Previous Investigation Data Bl: Spreadsheets Containing Previous Investigation Data B2: Previous Investigation Data: Definit^arjd Estimated Concentrations Geotechnical Data Cl: Laboratory Geotechnical Data C2: Graphs Used in Estimating Hydraulic CondudtiVity C3: Previously Existing Laboratory Permeability Data C4: Previously Existing Consolidation Test Data C5: Previously Existing Grain "l^iz^ Distribution Curves Analytical Data Dl: Complete Analytical Data Re£ D2: Analytical Results Showing Onl^ Detected Values TOC-i VOLUME IV TABLE OF CONTENTS APPENDIX E Air Samples El: Work Sheets E2: Calibration Charts E3: Data Charts Geologic and Hydrogeologic Data Fl: Visual Comparison of Well Depths reened Intervals F2: Soil Boring Logs F3: Well Logs G Exposure Calculations H. Toxicology Profiles TOC-i VOLUME IA LIST OF FIGURES Ficmre Title Page 1-1 General Hap of New England Area 1-3 1-2 State Map of Vermont 1-4 1-3 City of Burlington, Vermont 1-4 1-4 Pine Street Canal Site 1-6 1-5 Topographic Map of the Pine Street C 1-8 1-6 Cycles of a Carburetted Water-Gas ( 1-17 1-7 Cycles of a Carburetted Water-Gas ( 1-18 1-8 Cycles of a Carburetted Water-Gas (CWG) 1-19 1-9 Flowchart for a Carbureted Water-Gas 1-20 1-10 Previous Investigations 1-29 1-11 Burlington Southern Connector Vermont AOT Boring A2-A9 Locations l-33r 1-12 Burlington Southern Connector Permit Application, Groundwater Sample Locati 1-32 1-13 RCRA Facility Assessment /6amplil cations 1-35 1-14 Summary of Environmental Varif e GE Company, Burlington Facility Samplli^g 1-36 1-15 Ultramar Petroleum, Incorpo ifnvironmental Site Assessment Sample Locatlpns 1-38 ll 1-16 Wiessner Property and St. Joh Trucking Sites Subsurface Investigation Sampl cation 1-39 1-17 Blodgett Oven Company, Inc. Su rface Investigation Sample Locations 1-41 2-1 Ambient Air Locations 2-8 2-2 Surface Wa .cations 2-14 2-3 Sediment s 2-17 2-4 Soil Gas catrtbns 2-20 2-5 Systematic Sii' Soil Sampling Locations 2-24 2-6 Background,Surf il Locations 2-26 2-7 Sampling Location r Dioxin Screening 2-27 2-8 Monitoring Well and Boring Locations (Installed by PEER) 2-29 2-9 Boring Locations (Installed by PEER) 2-32 2-10 ing Well Locations (Installed by PEER) 2-36 2-11 ' L^te Monitoring Well Locations and Vstalled by PEER 2-42 2-12 .ing Locations 2-45 IV VOLUME IA LIST OF FIGURES (Continued) riqur? Title 3-1 Pine Street Canal Site 3-2 3-2 Drainage Patterns 3-17 3-3 Physiographic Provinces 3-21 3-4 Geologic Map of Vermont 3-22 3-5 Geological Map of Burlington 3-23 3-6 Maximum extent of Glacial and Post es 3-25 3-7 Till and Clay Deposits 3-26 3-8 East-West Cross Section Line 3-29 3-9 East-West Cross Section 3-30 3-10 North-South Cross Section Line 3-31 3-11 North-South Cross Section 3-32-­ 3-12 Isopach Thickness of Sand Unit 3-34 3-13 Isopach Thickness of Peat 3-36 3-14 Isopach Thickness of Fill 3-38 3-15 Potentiometric Surface andT Sttriicial Aquifer 3-40 3-16 Potentiometric Surface ir\ Lo^i^-Sltfe..^ay Aquifer 3-44 3-17 Current Property Divisions 3-47 3-18 Species Habitat 3-55 4-1 Real Time Air Monitoring at Selepxed Drilling Locations 4-9 4-2 Well Locations and Estimated Real Time Air Monitoring Val<fes"'"''S|uring Purging and Sampling 4-3 Ambient Air Koivi^ring Locations, Total Polynuclear 4-11 Aromatic Ky^rqcarqouS^i^g/m ) , First Round, July 1989 4-4 Ambient Ai cations.
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