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Subject: Nitrate


From: Karen Pavelka <pavelka>
Date: Monday, July 30, 1990
What I still don't know is the specific levels of NO and NO2 which are a
threat to the collection.  The health department is sending some
information about health hazards related to NO & NO2.


                  Conservation DistList Instance 4:15
               Distributed: Saturday, September 22, 1990
                        Message Id: cdl-4-15-007
Received on Monday, 30 July, 1990

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