Table 8.2.6.8 The Effects of Pentachlorophenol on the Snail Lymnaea acuminata .

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µg/L PCP	Effect	µg/L NaPCP	Effect
249	12-h LC₁₆	330	12-h LC₁₆
213	24-h LC₁₆	250	24-h LC₁₆
170	48-h LC₁₆	145	48-h LC₁₆
148	72-h LC₁₆	120	72-h LC₁₆
104	96-h LC₁₆	110	96-h LC₁₆

293	12-h LC₅₀	470	12-h LC₅₀
263	24-h LC₅₀	360	24-h LC₅₀
228	48-h LC₅₀	255	48-h LC₅₀
146	72-h LC₅₀	215	72-h LC₅₀
160	96-h LC₅₀	190	96-h LC₅₀

345	12-h LC₈₄	630	12-h LC₈₄
311	24-h LC₈₄	475	24-h LC₈₄
284	48-h LC₈₄	370	48-h LC₈₄
245	72-h LC₈₄	315	72-h LC₈₄
214	96-h LC₈₄	270	96-h LC₈₄

18C, pH 7.9, hardness 210 mg/L, alkalinity 188 mg/L.
From reference 97.