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

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Date: 2011-09-21 15:07:03 Occupational safety and health Thallium Beryllium Chromium Water Supply (Water Quality) Regulations Book:Chemical elements Chemistry Matter Chemical elements		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 Source URL: www.cityofsewardne.com Download Document from Source Website File Size: 94,99 KB Share Document on Facebook