Verbatim quote · Receipt
A quote on the record
This is the receipt at the end of every superscript. The text below is a literal substring of the source document — checked mechanically, not vouched.
"The 1990 Clean Air Act amendments cut US SO₂ ~80%"
Supports
Event · Clean Air Act amendments
Provenance
Byte offset 342 · length 49 bytes
Extracted
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