3. The background He-4 was ~ 5pm
> Yes. That is actually a strength. It is so low that anything like a leak
> would be far above the amounts Miles measured.
>> 4. The measured He-4 was only 5 ppB !
> As I said, a leak would be hundreds of times higher.
A leak would also produce completely random results uncorrelated with the
See Abd's analysis of this experiment, and mine: