2007 CPEO Military List Archive

From: Lenny Siegel <lennysiegel@gmail.com>
Date: 17 Aug 2007 15:32:12 -0000
Reply: cpeo-military
Subject: [CPEO-MEF] Massachusetts Military Reservation Tree Ring Study
Cape tree rings may provide clues to cancer

By Amanda Lehmert
Cape Cod Times (MA)
August 17, 2007

SANDWICH - Paul Sheppard gingerly poked a T-shaped instrument into the trunk of a pine tree, and started cranking it in a clockwise motion.

In about a minute, he slid out a tiny slice of the 50-year-old tree, so thin it could fit inside a plastic straw.

The layers of that slice, or core sample, will tell the University of Arizona tree ring specialist about the tree's history. Specifically, he wants to know whether it was exposed to tungsten, other metals and volatile organic chemicals.

Sheppard and fellow researcher Mark Witten have traveled around the country visiting towns like Sandwich, where there are elevated rates of childhood cancer and few answers about the cause.


For the entire article, see


Lenny Siegel
Director, Center for Public Environmental Oversight
c/o PSC, 278-A Hope St., Mountain View, CA 94041
Voice: 650/961-8918 or 650/969-1545
Fax: 650/961-8918

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