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March 20, 2001

ST Environmental Professionals, Inc. 114 Lutz Road Boyertown, PA 19512

Theodore Smith Mailstop T-7F27 Two White Flint North 11545 Rockville Pike Rockville, MD 20852-2738

Subject: Revere, PA Site Pictures STEP Project No. 97C9048

Dear Ted,

Please find enclosed three copies each of the following:

"* Copy of the aerial photograph from April 8, 1970 of the warehouse/loading dock area. (Attachment A.9 of the Revere Radiological Assessment, Rev. 1, 2001)

"* Color enlargements of the pictures from the 1993 remediation effort by Bullinger's Mills. (Attachment A.8 of the Revere Radiological Assessment, Rev. 1,2001)

I have located additional pictures of previous remediation activities performed at the Revere site. They are being processed/copied and will be transmitted in the near future.

Please call if you have any questions.

Yours truly,

,~*~AAL&IAk Steffan R. Helbig, P.G. President

Enclosure

CC: Tim Knapp, Cabot

Attachment A.9

Aerial Photograph of Warehouse Area (April 8, 1970)

Revision 1, February 28, 2001

Attachment A.8

Bullinger's Mill, Inc. Report on 12I93 Remediation Effort

Revision 1, February 28, 2001

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