more information. PHN is only available to local, state, and federal 

 public health officials. 



IRIS will be made available on the NIH National Library of Medicine's 

 TOXNET system sometime during the late fall of 1989. At that time, 

 call (301) 496-6531 for details. 



3) How much does IRIS cost? 



There is no charge to EPA users and the 47 states which have EPA- 

 paid-for electronic mail accounts. 



Those outside EPA who access IRIS through DIALCOM, Inc., must 

 pay only for the cost of accessing IRIS. The user will be billed by 

 DIALCOM, Inc. There is a $25.00 monthly minimum which is applied 

 against a usage fee of $25.00 per hour. In addition to the usage fee, 

 there is a $.05 charge per computer screen accessed. There is no EPA 

 charge for using IRIS. 



Those eligible to access IRIS via the Public Health Network will be 

 charged under a different set of fees. Contact the Public Health 

 Foundation at (202)898-5600 for more information. 



4) Who do I call if I have a question about using IRIS? 

 Call IRIS User Support at (513) 569-7254 or FTS 684-7254. 



5) Who do I call if I have a scientific or technical question about the 

 reference doses? 



Call the EPA Contact listed at the end of the reference dose section in 

 the IRIS chemical file. 



6) Who do I call if I have a scientific or technical question about the 

 carcinogen (cancer) assessment? 



Call the EPA Contact listed at the end of the carcinogen assessment 

 section in the IRIS chemical file. 



7) Who do I call if I have a scientific or technical question about 

 drinking water health advisories? 



Call the Safe Drinking Water Hotline at 1-800-426-4791. 



8) Who do I call ifl have a policy or general question about IRIS? 



Call Rick Picardi at (202) 382-7315 or FTS 382-7315. 



9) How can my organization get training in IRIS? 



Call the IRIS contact for the appropriate EPA Region. The following 

 are the contacts for the EPA Regions: 



EPA Region IRIS Contacts 



I Boston Tom D'Avanzo 



(617) 565-3222 

 FTS 835-3222 



II New York Marian Olson 



(212) 264-5682 

 FTS 264-5682 



