| 1. | Officials believe sparks from welders inside the water pipe ignited the fumes.
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| 2. | Back pressure can force an undesirable contaminant to enter potable water piping.
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| 3. | Police said the couple maintain the water pipe did not contain marijuana.
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| 4. | The water system includes several pumping stations and over of water pipes.
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| 5. | Water pipes in Palestinian areas are old, and reservoirs are virtually nonexistent.
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| 6. | I had a job where I wrapped hot water pipes with insulation.
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| 7. | Identify water pipes that run along outside walls or through unheated crawlspaces.
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| 8. | Untreated vinyl is used to make household water pipes and home siding.
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| 9. | Van Wormer said water piped in from nearby artesian wells is pure.
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| 10. | Homeowners are worried about the effect of epoxy in their water pipes.
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