Mark Dennen of RI DEM notified interested parties this afternoon that the state agency had approved the amended plan from AP Enterprise for capping the Portsmouth Island Park Landfill.

The approval letter (linked below) specifies some additional terms: only naturally occurring arsenic, 40ppm not to be exceeded, any 40pm soils covered within 14 days, GA water quality to be enforced, delivery during weekday business hours only, dust and odor control required, DEM can split and test any samples, all other ordinances apply (including the Town and CRMC) and DEM can do random inspections.

Here's the e-mail from DEM:

From: Mark Dennen
To: [redacted]
Subject: Decision Documents regarding former Portsmouth Town Dump
Date: 03/11/2011 03:28:42 PM

Dear Interested Parties:

The Department has completed its review of the December 3, 2010 Request for Modification of the Beneficial Use Determination for the Former Portsmouth Town Dump. The Department’s decision, response to comments and related information is posted at:

http://www.dem.ri.gov/programs/benviron/waste/pdf/portsbud.pdf

Appendix F: Report of the Legislative Arsenic Commission were inadvertently omitted form the response to comments and is attached here.

Please pardon any duplication as I am trying to ensure timely communication with all interested parties.

Please contact me if you have any questions.

Mark M. Dennen
RIDEM/Office of Waste Management