pollution regulating organization: crossword clues

Matching Answer
Confidence
EPA
60%
SMOG
53%
FDIC
46%
FCC
46%
NOISE
45%
ELKS
20%
VASOMOTOR
20%
TROT
20%
FDA
20%
EVENER
20%
e.g. Greek Cheese
e.g. O?D (Use ? for unknown letters)