While the cleaning agent is important, everything else (including flagrance) literally washes down the drain.

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In early June, the electrical group reported illegally high levels of a carcinogen, trichlorethylene an industrial cleaning agent that is believed to cause kidney and liver damage as well as cancer in the groundwater beneath four of its domestic factories.

ECONOMIST: Toxic waste in Japan

The level of the cancer agent tetrachlorethylene used for cleaning semiconductors at one of the plants was 9, 400 times the permissible limit.

ECONOMIST: Toxic waste in Japan