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RE: Lead source
Do you have lead mines in the area ? Maybe some sort of dewatering
operation or mine drainage. The final melting of snow that was in contact
with contaminated soil ? Any dredging ? It could be sediment stirred up
from some long forgotten site. Are there elevated level of other
contaminants ? This might give a clue to its source. How about
bridge/building repair ? Much painting occurs in summer and the lead might
be from stripped paint.
Just a few thoughts to consider.
> From: Tim Tuominen[SMTP:Tim.Tuominen@wlssd.duluth.mn.us]
> Reply To: Tim Tuominen
> Sent: Tuesday, July 14, 1998 8:28 AM
> To: 'email@example.com'
> Subject: Lead source
> Once per year between July and September we receive a
> slug load of lead to our wastewater plant. It does
> not seem to be our permitted industries. We have no
> battery rebuilding, no electronics mftrs, or eyeglass
> mfctrs. We've checked radiator repair shops,
> industrial laundries, and furniture strippers. So what
> do you think the source is. I wish I could offer you
> a reward for the info leading to the Id of the
> source. Thanks for any ideas.
> Tim Tuominen
> Pollution Prevention Chemist
> Western Lake Superior Sanitary District
> 2626 Courtland Street
> Duluth, MN 55806
> Ph. (218) 722-3336 ext 324
> Fax (218) 727-7471
> Email firstname.lastname@example.org