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mercuric chloride (Calo-Gran) Cancellations and Tolerance Revocations 12/93

   December 22, 1993
  SUBJECT:  Reregistration Notification
       TO:  Users of the RNN
     FROM:  Dr. Nancy N. Ragsdale
            Director, NAPIAP
  Enclosed is a latest notice of the Reregistration Notification Network 
  (RNN) dated December 22, 1993.  This issue of the RNN deals with several 
  residue tolerance and action level revocations, pesticide use 
  cancellations, commodity tolerance definitions, and other actions.  Of 
  special note is the final decision by the EPA Statospheric Protection 
  Division to restrict the production and importation of methyl bromide.  
  The USDA has recently published the proceedings from a USDA Workshop on 
  alternatives to methyl bromide held from June 29 to July 1, 1993, in 
  Arlington, Virginia.  Titled "Alternatives to Methyl Bromide: Assessment
  of Research Needs and Priorities", it contains specific crop and commodity 
  recommendations on the alternatives to methyl bromide for postharvest 
  commodity treatment, quarantine treatment and soil fumigation.  Suggestions 
  are also made concerning research needs and priorities.  If you would like 
  a copy of this 85-page, free publication, contact: 
                  Dr. Kenneth Vick                                             
                  BARC-West, Bldg. 005, Rm 216
                  10300 Baltimore Blvd.
                  Beltsville, MD 20705-2350                                    
                  Phone (301) 504-5321 
                  Fax (301) 504-5467
                         U.S. DEPARTMENT OF AGRICULTURE

                              Volume 3, Number 16

The intent of this network is to inform interested parties of recent or
impending pesticide use cancellations, tolerance revocations and other items
of agricultural interest.  To the best of our knowledge, the uses mentioned
here, unless otherwise indicated, will not appear on any label registered by
the USEPA following the uses expected cancellation.  We recommend that you
express any concerns or questions you have to the contact mentioned below or
your NAPIAP State Liaison Representative.  If you wish to contact us at USDA,
our phone number is (301) 504-8846, and our fax number is (301) 504-8063.

mercuric chloride    Grace Sierra Crop Protection Company has requested and
& mercurous chloride the USEPA has accepted the voluntary
   (Calo-Gran,       cancellation of its fungicide products, Calo-Clor
   Calo-Clor)        and Calo-Gran.  They have waived the usual comment
                     period; consequently the cancellation became effective on
                     11/1/93.  These are the final two mercurial based
                     pesticide products registered under FIFRA, as amended.
                     These products are used only on golf course greens, tees,
                     and aprons to control snow mold on ORNAMENTAL TURF.  The
                     USEPA has granted Grace Sierra's request to sell and
                     distribute existing stocks of the canceled products until
                     6/24/94; other distributors or users of these products
                     may sell, distribute or use existing stocks until such
                     stocks are exhausted.
       For additional information contact:
                Mr. Greg Wahl                  Mr. Tom Moriarty
                Grace Sierra Crop Protection   EPA, Special Review Branch
                Phone (408) 263-8080           Phone (703) 308-8035
                Fax (408) 262-8944             Fax (703) 308-8041
       Initial source:  Federal Register 58(220):60629