stringent [Adjective] + pollution [Noun]

Strength Strength Dispersion
A:
7
CHISQ:
243.84
AWT:
13,290,869
TTEST:
2.57
G2:
44.27
FAWT:
4.09
MI:
5.2
LOGLOG:
14.6
JD:
0.63
MI3:
10.82
DICE:
0.3
RANGE: