Laboratory Services 



5. COMMERCIAL PRODUCERS OF IN VITRO DIAGNOSTIC PROD- 

 UCTS. Manufacturers will be provided with CDC reference products for use 

 in evaluating lots of commercial products to determine whether they meet 

 the CDC Specifications. 



6. COLLABORATING RESEARCHERS. This group includes private 

 investigators and investigators in universities, medical centers, and other 

 teaching and research facilities who are studying problems of interest to 

 CDC. 



3 . Tissues 



Control tissue for the modified Dieterle silver impregnation stain is available. 



Sufficient lung tissue containing the Legionnaires' disease bacterium is not avail- 

 able for distribution. The control tissue distributed for this procedure contains a spiro- 

 chete. This material consists of a paraffin-embedded block and a matching Dieterle- 

 stained slide. A reference slide of Dieterle-stained lung tissue from a known case of 

 Legionnaires" disease will also be sent on request. Requests should be sent to; 



Center for Disease Control 

 Attention: Mrs. Pat Greer 



Control Tissue Respository 



Pathology Division 



Bureau of Laboratories 

 Atlanta, Georgia 30333 

 Telephone (404)329-3623 



4. Chemicals 



Ferric pyrophosphate for Feeley-Gorman (F-G) and charcoal yeast extract (CYE) 

 agar media is available on request from; 



Center for Disease Control 



Attention; Biological Products Division 



Bureau of Laboratories 

 Atlanta, Georgia 30333 

 Telephone (404) 3 29-3353 



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