does also test for aluminum, as part of their standard test. They do other heavy
metals for an small extra fee (less than anywhere else I've
Cadmium is a concern too, which can be in galvanized nails etc., often
used to nail shingles down. Thus the cadmium can be on vacant lots where
building were demolished, and more importantly, around buildings that are still
this was mailed to me from someone at OG...
"Thank you for your
interest in ORGANIC GARDENING. Recent reports caution
that some shingles are treated with chemicals to inhibit moss
that such chemicals could leach from the shingles. Thus, we are
caution in using runoff water from asphalt-shingled roofs.
In every issue of OG, you'll find specific guidance on how to
yourself" the organic way. To subscribe, call 1-800-666-2206 or
Paco John Verin
City Wide Coordinator - Philadelphia
The Pennsylvania Horticultural Society
100 North 20th Street, 5th
Philadelphia, PA 19103-1495
Phone: 215-988-8885; Fax
I need some input/advice from
you. I'm wondering how other gardens deal with soil testing. In
Toledo, when we start working with a new garden we have the soil tested,
usually through the University of Massachusetts. The only heavy metal
tested for is lead. Of course, a lot of our garden sites are on former
building sites. Luckily, we have only had a moderate reading twice. Are
there other chemicals I should be concerned about? If so, where would
the testing be done? Thanks!
We are stardust . . .
we are golden . . . and we've got to get ourselves back to