(c)A majority of the environmental samples confirmed the use of sarin.
Also environmental samples from the base were handed over to the IAEA by Iranian nuclear workers.
"We were allowed to see all the buildings and to take environmental samples".
In a telephone interview, Dr. ElBaradei said: "We went there today and we took environmental samples.
Laboratory analysis of environmental samples is continuing, and we will be reinstalling air samplers for wide-area environmental monitoring.
Test results on 144 environmental samples were also negative, said John Signor, a spokesman for the State Department of Health.
Since then, Iranian officials have turned down the request of inspectors to take "environmental samples" at the Kalaye Electric Company.
The inspectors were also permitted to carry out the interviews they had requested and take environmental samples, he said.
Iran allowed inspectors to take environmental samples this week from the site, at Parchin, southeast of Tehran.
A broad variety of environmental samples and surface swipe samples have been collected from locations across Iraq and taken to I.A.E.A laboratories for analysis.
When it was smaller, the laboratory network tested more than 125,000 specimens from patients and more than one million environmental samples in the anthrax attack.
