11.   The number of particles per cubic meter is determined using a mathematical formula. . .

12.   The number of particles per cubic meter of air is determined using a mathematical formula. . .

13.   The number of particles per cubic meter of air is determined by using a mathematical formula.

14.   But Abbas said Apkindo would not revise its target to export eight million cubic meters this year.

15.   Earth movers and snow plows were used to remove thousands of cubic meters of snow and debris in the search for the victim, thought to be the last.

16.   Government officials have said in the past that Abu Rabah could produce a million cubic meters a day.

17.   Half a million cubic meters of agricultural soil were trucked in to transform the once flat land into a rolling golf course.

18.   Hundreds of thousands of cubic meters of Siberian cedar, the logging of which is banned entirely, are exported annually, according to the report.

19.   Lung cancer death rates were compared with average pollution levels, as measured in micrograms per cubic meter of air.

20.   More than one million cubic meters of gas are going up in flames every day.