stringent [Adjective] + pollution [Noun]

Strength Strength Dispersion
A:
4
CHISQ:
30.76
AWT:
20,506,560
TTEST:
1.79
G2:
15.67
FAWT:
2.65
MI:
3.26
LOGLOG:
6.52
JD:
0.51
MI3:
7.26
DICE:
0.17
RANGE: