| 21. | In recent years, Wise County allowed an increase in hydraulic fracturing.
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| 22. | Glutaraldehyde is a component of hydraulic fracturing " fracking " fluid.
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| 23. | In the United States, hydraulic fracturing fluids include Clean Air Act.
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| 24. | Hydraulic fracturing critics list Range Resources wells and violations at FrackTrack
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| 25. | The Province of Quebec imposed a moratorium on hydraulic fracturing in March 2012.
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| 26. | Hydraulic fracturing causes induced seismicity called microseismic events or microearthquakes.
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| 27. | The California legislature passed Senate Bill 4 to regulate hydraulic fracturing in September 2013.
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| 28. | The natural gas industry has suggested using abandoned mine drainage water in hydraulic fracturing.
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| 29. | The primary product of hydraulic fracturing is natural gas which consists mostly of methane.
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| 30. | Radionuclides are associated with hydraulic fracturing in two main ways.
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