*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : CR3620000
CHEMICAL NAME           : Bastnaesite, calcined conc.
CAS REGISTRY NUMBER     : 68909-13-7
LAST UPDATED            : 199701
DATA ITEMS CITED        : 2
SYNONYMS/TRADE NAMES :
   * Calcined bastnasite
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >5 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology,
   Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128)  V.1-
   1990-  Volume(issue)/page/year: 12,612,1993

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY

 
                            *** END OF RECORD ***