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The HARP Health Database has been updated to reflect recent
changes to OEHHA’s REL and Cancer Potency Table. In the process
of updating the Air Toxics Hot Spots Risk Assessment Guidelines,
OEHHA conducted a review of all chemical summaries. In their
review, target organs were clarified for some pollutants, the
applicability of health values were changed for several
pollutants, and a new policy was made to treat development and
reproductive system as one target organ. In addition, OEHHA has
adopted new Reference Exposure Levels (RELs) for caprolactum.
These updates are reflected in OEHHA’s Online REL and Cancer
Potency Table at http://oehha.ca.gov/air/allrels.html. With these
updates, the HARP Health Database has also been updated to
reflect recent changes to OEHHA’s REL and Cancer Potency Table.
For questions or more information on the changes, please contact
Daryn Dodge of OEHHA at (916) 445-9375. 

For more information on what was changed in the database, please
go to
http://www.arb.ca.gov/toxics/harp/docs/nov2013healthdbchangedetails.pdf

The new HARP Health Database can be downloaded at
http://www.arb.ca.gov/toxics/harp/software/health.mdb. To use it
with HARP, you must replace your current health database located
in the HARP main directory (typically C:HARP) with this file.

The new health database is also available for the HARP On-Ramp.
This health database can be downloaded at
http://www.arb.ca.gov/toxics/harp/software/onramp/health.mdb. To
use this health database, you must replace the current database
typically located at “C:Program FilesCARBHARP On-RampTables”
with this file.