pollutant banned in 1979: crossword clues

Matching Answer
Confidence
PCB
60%
CFC
60%
EPA
60%
DDT
56%
ALAR
48%
SMOG
43%
SOOT
41%
NOISE
20%
ASH
20%
SHAH
20%
e.g. Greek Cheese
e.g. O?D (Use ? for unknown letters)