Draft Conceptual Design Generic Remedial Action Plan - Dec 21, 2007 (33 MB)

Alternative for Demonstrating Compliance with Pollutant Mobility Criteria (letter from DEP to Olin, dated Jan 26, 2007)

Alternative for Demonstrating Compliance with Pollutant Mobility Criteria (letter from DEP to Olin, dated Nov 14, 2006)

Correspondance pertaining to financial responsibility of repair/rebuilding affected homes, August 2006 - September 2006

• Response by DEP Commissioner Gina McCarthy to Rrep. Villano, dated 09-29-06
• Response to Rep. Villano by A.G. Blumenthal, dated 09-14-06
• Iinitial inquiry by Representative Villano to Attorney General Richard Blumenthal, dated 08-28-06

Olin Response to August 17, 2006 and November 10, 2005 CT DEP comment letters (letter dated Sept 21, 2006)

• Response Letter
• Attachments 1, 2 and 3
• Attachment 4 (EXCEL File)
• Sheet 1 - Proposed Borings
• Sheet 2 - 1877 Coastal Survey (8MB)
• Sheet 3 - Underlying Soil Samples, Blocks A-S
• Sheet 4 - Underlying Soil Samples, Block T
• Table 2-1a (EXCEL File)

DEP letter (dated September 20, 2006) to MACTEC, RE: Alternative for Demonstrating Compliance with the Pollutant Mobility Criteria Newhall Street Neighborhood (SRD-128, 3 MB)

DEP letter (dated August 17, 2006) to Olin, RE: Review of Response to November 10, 2005 Comment Letter and Supplemental Addendum Report and Additional Responses to November 10, 2005 DEP Comment Letter (3 MB)

DEP letter (dated August 17, 2006) to Olin, RE: Alternative for Demonstrating Compliance with the Pollutant Mobility Criteria (3 MB)

Supplemental Investigation Addendum Report Non-Public Properties Study Area Hamden, Connecticut, March 2006

• March 8 Cover Letter and Certification
• Addendum Report (HTML Page, with other sections linking off of it)

Notice of Filing of Petition for Declaration of Ruling (December 2005)

Response (by Malcolm Pirnie, Inc.) to November 10, 2005 Comment Letter, non-Public Properties Study Area, Hamden, CT (December 12 2005, 5 MB))

DEP Response/Review of Supplemental Investigation Report & Remedial Action Plan Non-Public Properties Study Area
Hamden, Connecticut (November 10, 2005)

Supplemental Investigation Report & Remedial Action Plan Non-Public Properties Study Area, Hamden, Connecticut (March 2005)

• Summary
• Report
• Figure & Tables
• Volume II - Sheets (Maps)
• Volume III - Appendices

DEP response to request for assistance in obtaining outstanding property access agreements

Letter to Connecticut DEP concerning property access and assistance to complete the supplemental investigation (January 12, 2005)

Modifications to Supplemental Investigation Work Plan Proposed Monitoring Well Relocations, Non-Public Properrties Study Area Hamden, Connecticut
(January 2005)

Supplemental Investigation Interim Report on Isolated Fill Non-Public Properties Study Area Hamden, Connecticut
(January 2005)

Resubmitted pages to Supplemental Investigation Interim Report on Isolated Fill, Non-public Properties Study Area, Hamden, Connecticut (January 2005)

Notification of Noncompliance, Supplemental Investigation (December 2004)

Supplemental Investigation - Interim Report on Isolated Fill, Non-public Properties Study Area, Hamden, Connecticut (November 2004)

Final Report - Public Health Assessment - Evaluation of Residential Soils in the Newhall Street Neighborhood of Hamden (September 2004)

• Main Report
• Attachment A - Figure 1
• Attachment B - Fact Sheets
• Attachment C - Community Health Concerns Interview Form
• Attachment D - Letter from CT DPH to EPA
• Attachment E - CT DPH Cancer Evaluation
• Attachment F - General Toxicological and Epidemiological Information for Lead, Arsenic and PAHs
• Attachment G - Risk Calculations
• Attachment H - ATSDR Conclusion Categories
• Attachment I - ATSDR Glossary of Environmental Health Terms
• Attachment J - Response to Comments

Draft Report - Public Health Assessment - Evaluation of Residential Soils in the Newhall Street Neighborhood of Hamden (February 2004)

• Report
• Summary
• Att. B Reduce Exposure Fact Sheet
• Att. C Interview Form
• Att. D Letter
• Att. I Glossary of Terms

Supplemental Investigation Workplan Non-public Properties Study Area (revised January 2004)

• Workplan
• Summary
• Figures (5MB PDF file)
• Tables
• Public Comments/Response (April 2004)
• Work Plan Conditional Approval (April 2004)

Supplemental Investigation Workplan Non-public Properties Study Area (July 2003)

Disapproval (Nov 2003)

Initial Investigation Findings: Newhall Street Residential Area (December 2002)

Summary

ASTM Phase I Environmental Site Assessment, Hamden Middle School and surrounding Newhall Street Neighborhood, Hamden, CT (January 2002)

Figures