From: KENT Mavis D

Sent: Mon Jul 31 07:17:45 2006

To: 'Sarah Prowell'

Cc: Chris Kimmel

Subject: RE: TSA Diffusion Bag Sampling: Request for Approval

Importance: Normal

Yes, I agree with your recommendation to proceed with diffusion bag sampling for TSA groundwater monitoring.

Mavis D. Kent

Cleanup & Emergency Response Section

DEQ Northwest Region - East Side Office

1550 NW Eastman Parkway, Suite 290

Gresham, Oregon 97030

503-667-8414 X55008

503-674-5148 Fax

kent.mavis.d@deq.state.or.us

-----Original Message-----

From: Sarah Prowell [mailto:sprowell@ix.netcom.com]

Sent: Sunday, July 30, 2006 9:10 AM

To: KENT Mavis D

Cc: Chris Kimmel

Subject: TSA Diffusion Bag Sampling: Request for Approval

Hello Mavis,

I’m wondering if you could provide us with email approval, for our records, of DEQ’s authorization for us to proceed with TSA diffusion bag monitoring, as described in the annual report recommendations? As a result of our informal communications with you, we began deploying the bags July 24, but would appreciate your email approval before proceeding with August annual sample collection that is scheduled to begin after approximately 2 weeks following bag deployment.

Thanks very much. Sincerely, Sarah

Sarah Prowell, R.G.

Prowell Environmental, Inc.

2216 SW Sunset Blvd.

Portland, OR 97239

Phone: 503/452-0972

Fax: 503/452-1427

Email: sprowell@ix.netcom.com