| Proposed Change In Ground-Water Classification Hamden And New Haven, Connecticut - March 2008 |
Report
Figure 1 - Site Location Map and Figure 2 - Approximate Thickness of Historic Filling
Appendix I - Summary of Ground-Water Quality Results
Appendix II - Summary of Data Collected During Potable Well Survey
Appendix III - Tax Assessor Cards
Appendix IV - Notification Letters to Municipal Officials
Plate 1 - Ground-Water Contour Map for January 29, 2008 and Proposed Reclassification Area |
| Approval - Request for Extension for Submittal of Remedial Action Plan - March 19, 2008 |
Letter |
Status Update
Former New Haven Water Company Property, June 6, 2007 |
Letter
Schedule |
| Conditional Approval, April 16, 2007 |
Letter |
| Second Sample Results for 315-317 Morse Road and Quarterly Ground-Water Results, Former New Haven Water Company Property |
Letter, Table and Appendices (5 MB) |
| Proposed Supplemental Investigation Report, November 15, 2006 |
Report (2.5 MB PDF) |
| Residential Soil-Vapor Sampling Addendum, November 13, 2006 |
Letter (1.5 MB PDF) |
| Ground Water Monitoring, Former New Haven Water Company Property, September 29, 2006 |
Letter (3 MB PDF) |
| Water Quality Update - Ground Water Monitoring, letter to DEP from Leggette, Brashears & Graham, Feb. 6, 2006 |
Letter (2 MB PDF) |
| Middle School Site Hamden, CT, Groundwater Monitoring Requirements, letter to RWA (September 26, 2005) |
Letter |
| Review of Final Investigation and Remedial Evaluation Report, letter addressed to RWA (August 31, 2005) |
Letter |
| Summary of
Final Report/Investigation and Evaluaton of Remedial
Alternatives (March 31, 2005) |
Summary |
Final Report/Investigation
and Evaluaton of Remedial Alternatives
Former New Haven Water Company Property
Hamden, Connecticut
(March 31, 2005) |
Final
Report
Tables
(4 MB, 219 pages, large file) Figures
Plates
(Maps) Appendices |
|
Notice of Addendum to Final Investigation
Report and Evaluation of Remedial Alternative
Report
Former New Haven Water Company Property
Hamden, Connecticut
(March 3, 2005) |
Letter |
Request
for Modification to Sampling Plan and Addendum
Supplemental Scope of Study
Former New Haven Water Company Property, Hamden,
Connecticut
(February 2, 2005) |
Approval
Letter |
Clarification
and Additional Information for Dioxin
Sampling Modification identified in December 14,
2004
Request for Modification to Sampling Plan and
Addendum
to April 16, 2004 (January 18, 2005) |
Letter
Plate
1
Table
1A |
Request for
Modification to Sampling Plan and Addendum
Supplemental Scope of Study
Former New Haven Water Company Property, Hamden,
Connecticut
(January, 2005) |
Conditional
Approval |
Request for
Modification to Sampling Plan and Addendum
to April 16, 2004 Supplemental Scope of Study,
Former
New Haven Water Company Property,
Middle School Site, Hamden, Connecticut”
(December 14, 2004) |
Letter
Plate
1
Plate
2
Table
1
Table
2 |
| Sampling and
Analysis Requirements for Dioxins and Furans (December
1, 2004) |
Letter |
| Modification
to Supplemental Scope of Study (October 6, 2004) |
Approval
letter |
Request for
Modification to Sampling Plan (August 5, 2004)
|
Letter |
| Supplemental
Scope of Study (July 2004) |
Conditional
Approval Letter Response
to Comments |
| Addendum and
Modification to April 16, 2004 “Supplemental
Scope Of Study, Former New Haven Water Company
Property, Hamden Connecticut” (June 28,
2004) |
Summary
CoverLletter
Attachment
1: references
Attachment
2: updated tables
Attachment
3: testing equipment |
| Work Plan
Summary (April 2004) |
Work
Plan Summary |
| Supplemental
Scope Of Study, Phase III Environmental Site Investigation
(April, 2004) |
Work
Plan
Figures
Historical
Tables, Appendix IV
Plates
Tables
Response
to Comments |
|
Phase III Environmental Site
Investigation,
Former New Haven Water Company Property, Hamden,
Connecticut,
Volumes 1 - 5 (December 2002) |
Report
Summary
Disapproval
Letter (March 2004)
Figures
(1.8MB PDF file)
Tables
(1MB PDF file)
Plates
(20MB PDF file) |
| Public
Health Assessment Evaluation of Soil, Groundwater,
Soil Gas, and Indoor Air Data, Hamden Middle
School (PDF) (January 2004) |
Final
Report |
Consent
Order Progress Reports
(June 2003-April 2004) |
Reports |
| Draft
Public Health Assessment: Evaluation of Soil,
Groundwater, Soil Gas and Indoor Air Data, Hamden
Middle School, Hamden, Connecticut (September
2003) |
Draft
Report
Summary |
| Revised
Hamden Middle School Plan (July 2002) |
Revised
Plan |
| Test
Pit Summary - Hamden Middle School, Rochford
Field, Mill Rock Park (December, 2002)
|
Summary |
ASTM Phase
I Environmental Site Assessment,
Hamden Middle School and surrounding Newhall Street
Neighborhood, Hamden, CT (January 2002) |
Report
Figures |
| Fact Sheet: Environmental Hazards at Hamden Middle School (March 2001) |
Fact Sheet |