Question:
He had been charged with trespassing and public indecency near Mount Angel, but didn't understand the interpreters who interviewed him in Spanish.

Does it follow that "He was always on his best behavior and fluent in Spanish."?
Answer:
no

Question:
The concentration of the metals, Al, As, Cr, Co, Cu, Fe, Pb, Ni, Zn, expressed as total metal, should not exceed 1 eg/L each, and Cd, Hg, and Ag, expressed as total metal, should not exceed 100 ng/L each.

Does it follow that "Metal is concentrated but should not exceed 100 ng/L."?
Answer:
yes

Question:
It also has the world's largest collection of Nestorian croses from the Yuan Dynasty period.

Does it follow that "The Yuan Dynasty had Nestorian crosses that are in the collection."?
Answer:
yes

Question:
His masterpiece, Fallingwater, has been girded by steel scaffolding to prevent it from crumbling.

Does it follow that "Fallingwater was girded from below with steel."?
Answer:
it is not possible to tell