Mike, this address may work, I'm not sure how old it is.

Oztech Trading Corp.
9412 Rocky Branch Dr
Dallas, TX 75243 USA
Attention: C.B. Douthitt
ph. 214-348-8330
fax 214 348-8810
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Margaret B. Lansing
U.S. Dept. of Commerce
National Oceanic & Atmospheric Administration
Great Lakes Environmental Research Laboratory
2205 Commonwealth Blvd.
Ann Arbor, MI  48105
[log in to unmask]
313-741-2289 (lab)
313-741-2210 (office)
313-741-2055 (fax)
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