Concordance for noun ppm

The page lists top contexts for noun ppm and their percentages (as applied to automotive subject domain).

Share	Phrase
8.31%	ppm ppm
7.14%	ppm nitrogen
6.18%	ppm ppm
3.95%	ppm [is] ppm
3.56%	ppm [is] tri
3.43%	emission [is] ppm
3.43%	ppm [is] ppm
3.36%	content [is] ppm
3.25%	ppm monoxide
3.16%	more [degree] ppm
3.15%	ppm sulfur
2.95%	concentration [is] ppm
2.77%	part per ppm
2.64%	ambient [location] ppm
2.37%	have below ppm
2.36%	2000 [amount] ppm
2.20%	ppm content
2.18%	ppm oxide
2.14%	ppm co
2.05%	ppm contain
1.89%	less [degree] ppm
1.80%	ppm [using as instrument] treat
1.75%	ppm hydrocarbon
1.61%	ppm rh
1.55%	monoxide ppm
1.54%	ppm nox
1.49%	exceed ppm [perform operation]
1.22%	become ppm [perform operation]
1.19%	amount [is] ppm
1.12%	less than ppm
1.06%	reduce to ppm
1.03%	carbon ppm
1.02%	contain ppm [perform operation]
1.00%	up [degree] ppm
0.97%	co ppm
0.94%	ppm nitrate
0.93%	base ppm [perform operation]
0.89%	ppm order
0.78%	lower than ppm
0.70%	use in ppm
0.69%	ppm concentration
0.68%	ppm comprise
0.66%	ppm range
0.62%	ppm make
0.59%	ppm level
0.54%	converter ppm
0.47%	ppm air
0.46%	amount ppm