The samples, which are flown daily to the laboratory outside Paris, have been frozen.
The inspectors found particles of man-made uranium in the samples, which Syria claimed were the residue of the bombing.
The lab's procedure, however, did not properly inactivate the samples, which were then sent to the lower labs.
He said he could definitively establish chain of custody of the samples, which were taken from areas hit by gas bombs in Idlib province.
They then used the probes to fish out virus genes from the samples, which they could then decipher.
Investigators collected the samples — which are 3 of about 650 specimens taken from various ranches since the investigation began — about a half-mile from the spinach fields, he said.
The kit advises people wanting to test for legal purposes to call the company and set up a chain of custody for the samples, which would cost an additional $200.
The total mass of extraterrestrial substance that was pulled up weighed more than all the samples which were delivered to Earth by the [US] Apollo and [Soviet] Luna missions," said Grokhovsky.
The samples, which come from hospitals and clinics in Dar es Salaam and Morogoro, are heat-treated to kill the pathogens before being handled by staff and put before the rats.
Adam, 7, accompanies them to tastings at stores and eats the samples, which Ms. Forley said inspires mothers to try them.
Also, two organophosphates were detected in the samples; which were chlorpyrifos and diazinon.
