SS (Water Quality)

Japanese: SS(水質) - えすえす
SS (Water Quality)

…Abbreviated as SS. Substances suspended in water. …

From [Water Pollution]

...The index value is expressed as a concentration such as ppm (mg/l) or ppb (μg/l) except in special cases.
[Physicochemical indices]
SS (suspended solids) is expressed as the amount of residue left behind when filtered through a filter paper with a pore size of approximately 1 μm, and determines the appearance of the water. Even clean rivers contain about 25 ppm, and in lakes and ponds, transparency is about 1 m when SS is 1 ppm.

*Some of the terminology that mentions "SS (Water Quality)" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…SSと略称される。水中に懸濁している物質。…

【水汚染】より

…指標値は特別の場合を除いてppm(mg/l),ppb(μg/l)などの濃度で表示される。
[物理化学的指標]
 SS(浮遊物質)はほぼ1μmの孔径のろ紙でこした残渣の量で表され,水の外観を規定する。清浄河川でも25ppm程度を含み,湖沼ではSS1ppmのとき透明度は1m程度になる。…

※「SS(水質)」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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