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What's in my Water

Village of Rockville Centre Water Department

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What percentage of tests showed substances that have no set health-safety level:

50% 5 out of 10
samples
Hexavalent chromium Toxic substance

Used in chrome-plating, dyes, pigments, tanning leather and preserving wood, if inhaled it can cause lung cancer, stomach tumors and skin ulcers. The government is reviewing its toxicity in drinking water and has set no threshold for dangerous exposure. It was detected in 1,247 of 1,417 tests on Long Island.

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Health Concern

May cause cancer
May cause other ills
Uncertain

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