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Transcript of REMEDIAL INVESTIGATION REPORT - dec.ny.gov .4.0 brownfield cleanup program remedial site...

REMEDIAL INVESTIGATION REPORT FORMER BUFFALO CHINA SITE 51 HAYES PLACE BUFFALO, NEW YORK BROWNFIELD CLEANUP SITE No. C915209

SEPTEMBER 2010 REF. NO. 037191 (8)

Prepared by: Conestoga-Rovers & Associates 285 Delaware Avenue

Buffalo, New York 14202

Office: (716) 856-2142 Fax: (716) 856-2160

web: http://www.CRAworld.com

http://www.craworld.com/http://www.craworld.com/

037191 (8) CONESTOGA-ROVERS & ASSOCIATES

TABLE OF CONTENTS Page

1.0 INTRODUCTION ...................................................................................................................1 1.1 PURPOSE..............................................................................................................2 1.2 REPORT ORGANIZATION...............................................................................2

2.0 SITE DESCRIPTION AND HISTORY..................................................................................3 2.1 SITE DESCRIPTION AND HISTORY ..............................................................3 2.2 PHYSICAL SETTING..........................................................................................3 2.3 GEOLOGY............................................................................................................3 2.4 TOPOGRAPHY AND SURFACE WATER DRAINAGE...............................4 2.5 REGIONAL HYDROGEOLOGY.......................................................................5

3.0 PRIOR ENVIRONMENTAL INVESTIGATIONS ..............................................................6 3.1 2006 SUPPLEMENTAL SITE INVESTIGATION ACTIVITIES.....................7 3.1.1 2006 SSI SOIL RESULTS .....................................................................................7 3.1.2 2006 SSI GROUNDWATER RESULTS .............................................................8 3.2 2006 SUPPLEMENTAL SITE INVESTIGATION CONCLUSIONS .............9

4.0 BROWNFIELD CLEANUP PROGRAM REMEDIAL SITE INVESTIGATION ...........11 4.1 APPLICABLE REGULATORY STANDARDS ..............................................11 4.2 SCOPE OF WORK.............................................................................................11 4.2.1 SI WORK PLAN ................................................................................................12 4.2.1.1 2007 SIWP SURFACE SOIL SAMPLING .......................................................12 4.2.1.2 SOIL BORING ADVANCEMENT

AND SUBSURFACE SOIL SAMPLING.........................................................13 4.2.1.3 OVERBURDEN MONITORING WELL

INSTALLATION AND GROUNDWATER SAMPLING ............................14 4.2.1.4 SURVEY ..............................................................................................................16 4.2.2 2008 SSI WORK PLAN .....................................................................................16 4.2.2.1 HYDRAULIC CONDUCTIVITY TESTING...................................................17 4.2.3 2009 SSI WORK PLAN ADDENDUM ...........................................................18 4.2.4 SOIL VAPOR INTRUSION INVESTIGATION.............................................19 4.2.4.1 SUB-SLAB PROBE INSTALLATION .............................................................20 4.2.4.2 SUB-SLAB PROBE SAMPLING ......................................................................20 4.2.4.3 INDOOR AIR SAMPLING...............................................................................21 4.2.4.4 OUTDOOR AIR SAMPLING...........................................................................21 4.2.5 WASTE HANDLING, STORAGE AND DISPOSAL....................................22

5.0 GEOLOGY AND HYDROGEOLOGY ...............................................................................23 5.1 GEOLOGY..........................................................................................................23 5.3 BEDROCK SURFACE CONTOUR .................................................................23 5.4 SITE HYDROGEOLOGY..................................................................................23

037191 (8) CONESTOGA-ROVERS & ASSOCIATES

6.0 ANALYTICAL RESULTS ....................................................................................................25 6.2 SURFACE SOIL .................................................................................................25 6.3 SUBSURFACE SOIL..........................................................................................26 6.3.1 HERBICIDES AND PESTICIDES

AND POLYCHLORINATED BIPHENYLS ...................................................26 6.3.2 METALS..............................................................................................................27 6.3.3 ORGANIC CHEMICAL COMPOUNDS........................................................28 6.4 GROUNDWATER.............................................................................................28 6.4.1 OVERBURDEN GROUNDWATER................................................................29 6.4.1.1 HERBICIDES AND PESTICIDES

AND POLYCHLORINATED BIPHENYLS ...................................................29 6.4.1.2 METALS..............................................................................................................29 6.4.1.3 ORGANIC CHEMICAL COMPOUNDS........................................................31 6.4.2 BEDROCK GROUNDWATER ........................................................................32 6.4.2.1 ORGANIC CHEMICAL COMPOUNDS........................................................32 6.5 SOIL VAPOR INTRUSION INVESTIGATION EVALUATION ................33

7.0 QUALITATIVE HUMAN HEALTH EXPOSURE ASSESSMENT .................................35 7.1 GENERAL ..........................................................................................................35 7.2 SITE CHARACTERIZATION..........................................................................35 7.2.1 SITE DESCRIPTION .........................................................................................35 7.2.2 GENERAL SITE USE ........................................................................................35 7.2.3 PREVIOUS INVESTIGATIONS ......................................................................36 7.2.4 BROWNFIELD CLEANUP PROGRAM

REMEDIAL SITE INVESTIGATION ..............................................................36 7.2.4.1 SURFACE SOIL SAMPLING...........................................................................37 7.2.4.2 SUBSURFACE SOIL SAMPLING ...................................................................38 7.2.4.3 GROUNDWATER SAMPLING ......................................................................39 7.2.4.4 SOIL VAPOR INTRUSION INVESTIGATION.............................................41 7.3 CONCEPTUAL SITE MODEL.........................................................................42 7.3.1 SELECTION OF CHEMICAL OF POTENTIAL CONCERN (COPC) .......43 7.3.2 EXPOSURE ASSESSMENT ..............................................................................47 7.3.3 CHARACTERIZATION OF EXPOSURE SETTING.....................................47 7.3.4 IDENTIFICATION OF POTENTIAL EXPOSURE PATHWAYS................48 7.3.4.1 FATE AND TRANSPORT IN RECEIVING MEDIA ....................................49 7.3.4.1.1 POTENTIAL MIGRATION OF SOIL OR

GROUNDWATER COPCS TO AIR................................................................50 7.3.4.2 POTENTIAL EXPOSURE POINTS .................................................................50 7.3.4.3 POTENTIAL EXPOSURE ROUTES ................................................................51 7.3.4.4 EXPOSURE SCENARIOS AND COMPLETED

EXPOSURE PATHWAYS.................................................................................51 7.4 SUMMARY.........................................................................................................53

8.0 FISH AND WILDLIFE IMPACT ANALYSIS....................................................................54

9.0 CONCLUSIONS AND RECOMMENDATIONS .............................................................55 9.1 NATURE AND EXTENT OF CONTAMINATION......................................55

037191 (8) CONESTOGA-ROVERS & ASSOCIATES

9.2 INTERIM REMEDIAL MEASURES................................................................56 9.3 ALTERNATIVES ANALYSIS REPORT .........................................................57

10.0 REFERENCES........................................................................................................................58

037191 (8) CONESTOGA-ROVERS & ASSOCIATES

LIST OF FIGURES (Following Text)

FIGURE 1.1 SITE LOCATION MAP FIGURE 2.1 SITE LAYOUT FIGURE 3.1 2006 SUPPLEMENTAL SITE INVESTIGATION SOIL EXCEEDANCES FIGURE 3.2 2006 SUPPLEMENTAL SITE INVESTIGATION GROUNDWATER

EXCEEDANCES FIGURE 4.1 SURFACE SOIL SAMPLE LOCATIONS FIGURE 4.2 SUBSURFACE SOIL SAMPLE LOCATIONS FIGURE 4.3 MONITORING WELL LOCATIONS FIGURE 4.4 SOIL VAPOR SAMPLING LOCATIONS FIGURE 4.5 TYPICAL SUB-SLAB SOIL VAPOR PROBE INSTALLATION FIGURE 4.6 SOIL VAPOR INTRUSION CANISTER SET-UP FIGURE 5.1 BEDROCK SURFACE ELEVATION CONTOURS FIGURE 5.2 OVERBURDEN GROUNDWATER SURFACE ELEVATION CONTOURS

JULY, 2009 FIGURE 5.3 BEDROCK GROUNDWATER SURFACE ELEVATION CONTOURS

JULY, 2009 FIGURE 6.1 CONTAMINANT CONCENTRATIONS EXCEEDING CRITERIA IN SOIL FIGURE 6.2 CONTAMINANT CONCENTRATIONS EXCEEDING CRITERIA IN

OVERBURDEN GROUNDWATER FIGURE 6.3 TRICHLOROETHENE CONTAMINANT PLUME BASED ON

OVERBURDEN GROUNDWATER DATA ONLY - JULY 2009 FIGURE 6.4 CONTAMINANT CONCENTRATIONS EXCEEDING CRITERIA IN

BEDROCK GROUNDWATER FIGURE 6.5 TRICHLOROETHENE CONTAMINANT PLUME BASED O