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Air Quality Criteria for Lead Volume II of II - (NEPIS)(EPA) - US ...

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AX7-187<br />

Species Chemical<br />

Mayfly<br />

(Leptophlebia marginata)<br />

Cladoceran<br />

(D. magna)<br />

Cladoceran<br />

(D. magna)<br />

Cladoceran<br />

(D.magna)<br />

Amphipod<br />

(Hyalella azteca)<br />

Tubificid worm<br />

(Tubifex tubifex)<br />

Marine<br />

Copepod<br />

(Amphiascus tenuiremis)<br />

Bivalve<br />

(Mytilus galloprovincialis)<br />

Table AX7-2.4.1 (cont’d). Effects <strong>of</strong> <strong>Lead</strong> to Freshwater and Marine Invertebrates<br />

lead<br />

chloride<br />

lead<br />

nitrate<br />

lead<br />

chloride<br />

lead<br />

chloride<br />

Endpoint:<br />

Conc. (Φg/L)*<br />

LC50:<br />

1090 (95% C.I. =<br />

133.2)<br />

>5000<br />

LC50:<br />

0.45<br />

NOEC:<br />

260<br />

NOEC:<br />

270<br />

lead LOEC:<br />

(Dissolved Pb)<br />

192<br />

(Total Pb) 466<br />

lead<br />

nitrate<br />

EC50:<br />

237 (183–316)<br />

142 (107–184)<br />

lead LC50: sediment<br />

2462 µg<br />

metal/dry<br />

sediment<br />

lead<br />

nitrate<br />

EC50 : 221<br />

(58.9–346.3)<br />

LOEC : 50<br />

* - Brackets after effect concentration are 95% confidence intervals.<br />

Duration <strong>of</strong><br />

Exposure Water Chemistry Test Type - Effect Reference<br />

96 h pH = 4.5 - 6.5;<br />

DOC - 21.6 mg Cl !1 ;<br />

Cond = 7.0 ΦS cm !1<br />

48 h pH = 8.3∀ 0.2<br />

Hardness (CaCO3) = 150 mg/L<br />

Temp= 20 Ε C<br />

renewal - survival Gerhardt (1994)<br />

static -<br />

embryogenesis<br />

12 to 21 d Not specified renewal -<br />

reproduction<br />

Bodar et al. (1989)<br />

Enserink et al.<br />

(1991)<br />

10 d Not specified renewal - growth Enserink et al.<br />

(1991)<br />

96 h pH = 8.27<br />

Hardness (CaCO3) = 275 mg/L<br />

Temp = 21.1 Ε C<br />

24 h<br />

48 h<br />

pH = 7.5–7.7<br />

Hardness = 245 mg/L<br />

Temp = 29.5–31 Ε C<br />

96 h pH = 7.7 ∀ 0.1<br />

Dissolved O2 -6.3 ∀ 0.3 mg/L<br />

Salinity – 32 ppt<br />

flow through -<br />

survival<br />

static -<br />

immobilization<br />

Besser et al. (2005)<br />

Khangarot (1991)<br />

Hagopian-Schlekat<br />

et al. (2001)<br />

artificial seawater embryogenesis Beiras and<br />

Albentosa (2003)

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