Does PPT stand for parts per thousand or parts per trillion?

Document ID

Document ID TE6935

Version

Version 2.0

Status

Status Published

Published Date

Published Date 27/05/2017
Question
Does PPT stand for parts per thousand or parts per trillion?
Summary
PPT abbreviation meaning
Answer
When used in reference to TDS (Total Dissolved Solids) testers, PPT stands for parts per thousand.