By Team

MIAMI (CBSMiami/AP) – Spacewalking astronauts are taking extra safety precautions after possibly getting toxic ammonia on their suits.

NASA’s Victor Glover and Mike Hopkins had no trouble Saturday venting a couple of ammonia coolant lines that are part of the International Space Station’s external cooling system.

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But so much ammonia spewed out that Mission Control said it was going to be conservative and require extra inspections. The astronauts’ first suit check found nothing amiss.

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The hose work should have been completed during a spacewalk a week ago. But power upgrades took longer than expected. So NASA ordered up a bonus spacewalk.

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