| Air
Pollution By the Numbers 1 = Rank of TXI's Midlothian
cement plant among Dallas/Fort Worth (DFW) air polluters
4 = Number of top five largest DFW air polluters operating in
Midlothian
11 = Percent of smog pollution caused by industry in Collin,
Dallas, Denton and Tarrant Counties
48 = Percent of DFW area industrial air pollution that comes from
Midlothian
50 = Percent of smog pollution caused by industry in Ellis County
35,185 = Tons of (ozone-forming) Nitrogen Oxide pollution emitted
by Ellis County industries in 1997
36,017 = Tons of Nitrogen Oxide pollution emitted by industries in
Collin, Dallas, Denton, Henderson, Hunt, Johnson, Kaufman, Rockwall and
Tarrant counties in 1997
600,000 = Number of average cars it would have taken running daily
in Midlothian to equal the amount of ozone pollution emitted by Midlothian
industries in 1998
1,004,186 = Pounds of toxic releases from TXI and North Texas
Cement in 1998
56,113,140 = Pounds of 5 major types of air pollution actually
emitted by Midlothian industries in 1999
132,554,000 = Pounds of 5 major types of air pollution allowed to
be emitted every year by permit from Midlothian industries
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