Assertion: sodium carbonate | /r/AtLocation | the united states
Facets:
Source sentences:
text: About half of all the sodium carbonate produced in the United States is used to make glass products such as glass containers, flat glass, and fiber insulation.
text: Sodium carbonate (soda ash) is approximately the 11th highest volume chemical produced in the United States.
text: Sodium carbonate (soda ash) is approximately the eleventh highest volume chemical produced in the United States.