Last Updated:2025/11/25

The device detected trace amounts of lead, measuring only 3 microgrammes per liter of water.

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The device detected trace amounts of lead, measuring only 3 microgrammes per liter of water.

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その装置は微量の鉛を検出し、その濃度は水1リットルあたりわずか3マイクログラムでした。

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