Water Tests for the City of Seward Biological test samples are taken seven times a month at different locations in the system. Grains of hardness per Gallon = 8 to 13 grains Nitrates - Hardness - Document - PDFSEARCH.IO

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	Water Tests for the City of Seward Biological test samples are taken seven times a month at different locations in the system. Grains of hardness per Gallon = 8 to 13 grains Nitrates Add to Reading List Document Date: 2011-09-21 15:07:03 Open Document File Size: 94,99 KB Share Result on Facebook

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Water Tests for the City of Seward Biological test samples are taken seven times a month at different locations in the system. Grains of hardness per Gallon = 8 to 13 grains Nitrates Add to Reading List