One of these can't be true:

1) A 2nd hand, partial qoute from "Tim Stubbs, a University of Maryland scientist working at the Goddard Space Flight Center."

2) Apollo 12 landed on a full moon.

Hmm. Tough choice!!! We know those reporters always perfectly represent what their sources tell them. And we know those Maryland scientists always utter perfect truths.

But that avoids the more important point which is:

"On the moon’s dayside this effect is counteracted to a degree by sunlight: UV photons knock electrons back off the surface, keeping the build-up of charge at relatively low levels."

And Apollo 12 landed on the dayside according to Wikipedia.