assessing the potential impact of the antisapstain chemicals ddac ...
assessing the potential impact of the antisapstain chemicals ddac ...
assessing the potential impact of the antisapstain chemicals ddac ...
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81<br />
Table 4. Concentrations and recovery <strong>of</strong> DDAC and IPBC from a laboratory dilution study using spiked effluent from an NP1 mill site diluted with<br />
Fraser River water.<br />
SAMPLE<br />
(RATIO OF<br />
EFFLUENT:<br />
RIVER WATER)<br />
Original effluent a<br />
100:0 b<br />
50:50<br />
25:75<br />
10:90<br />
River water<br />
DDAC<br />
IPBC<br />
CONCENTRATION (μg/L)<br />
% RECOVERY OF EXPECTED<br />
CONCENTRATION<br />
CONCENTRATION (μg/L)<br />
% RECOVERY OF EXPECTED<br />
CONCENTRATION<br />
TOTAL DECANTED TOTAL DECANTED TOTAL DECANTED TOTAL DECANTED<br />
35<br />
1039*<br />
231*<br />
61<br />
13<br />
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