What it approves
Add unleaded automotive gasoline, 87 minimum antiknock index and leaded automotive gasoline, 88 minimum antiknock index, per ASTM Specification D-439.
What the certificate says
From the PDF’s text layer, without the form’s printed wording. Layout and order may differ; the PDF is the record.
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ADs that name this STC · 0
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No AD in this release names this STC