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New Drinking Water Standards for PFAS Chemicals by EPA

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New Drinking Water Standards for PFAS Chemicals by EPA

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Questions and Answers

What is the purpose of the EPA's rule restricting six PFAS chemicals in water systems?

To monitor PFAS levels but not take any action

To decrease the levels of PFAS in water systems (correct)

To introduce more PFAS chemicals into water systems

To increase the levels of PFAS in water systems

According to Emily Donovan, what was the initial response when her group raised the issue of PFAS contamination?

They were informed that there were no guidelines for PFAS

They were told the water met or exceeded state and federal guidelines (correct)

They were advised to ignore the issue

They were supported by the EPA

How many years do public water systems have to address their PFAS problems as per the EPA's rule?

Two years

Five years (correct)

Three years

Four years

What does Elizabeth Southerland mention about the treatments used by water utilities to remove PFAS chemicals?

They will also remove other chemicals of concern from drinking water (C) Signup and view all the answers

How many known PFAS chemicals are there currently?

12,000 known PFAS chemicals (C) Signup and view all the answers

Why does the memo suggest deploying an ensemble of clocks to the moon?

To establish a new time standard for the moon. (C) Signup and view all the answers

Why is creating the Lunar Time Standard (LTC) said to require international agreements?

To ensure worldwide collaboration in space travel. (B) Signup and view all the answers

According to Hanlon, what is the significance of agreeing on an international time standard for the moon?

To facilitate peaceful purposes and freedom of exploration in space. (B) Signup and view all the answers

Why does Hanlon mention that several space race players are interested in landing near the moon's south pole?

To exploit natural resources in that region. (D) Signup and view all the answers

What does Hanlon emphasize about space and its usage according to the text?

Space should be exclusively for peaceful purposes and free exploration. (A) Signup and view all the answers