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Establishment of a basis for administrative use of PestSurf

Table 8.4. Part of the result sheet generated by the PestSurf Excel sheet. The selected table shows the point along the stream with the highest concentration recorded. The lowest detection value is 1 ng/l, toxicity to fish, daphnies and algae are set to 10, 100 and 1000 ng/, respectively. The recorded peaks are shown in Figure 8.6.
Tabel 8.4. Uddrag af resultatpresentationen genereret af PestSurf-Excel-arket. Den udvalgte tabel viser det fordefinerede punkt langs med åen med højest koncentration. Detektionsgrænsen er sat til 1 ng/l mens toxicitetsværdierne for fisk, dafnier og alger er henholdsvis 10, 100 og 1000 ng/l. De tabellerede hændelser er vist i Figur 8.6.

ODDERBAEK 1584.119-3818.000; Chainage: 1621.059570; EumType: Concentration
Lowest Detection Concentration = 1
 
Year Date Event Max Conc. Values on descending limb - after Duration before max Duration total Interval to next event
6 min 12 min 30 min 60 min 12 hours 24 hours 48 hours
ng/l ng/l ng/l ng/l ng/l ng/l ng/l ng/l Hours hours days
1998 04-06-1998 08:42:00 1 1884 1871 1860 1828 1727 34 19 19 0 176 362
1999 01-06-1999 08:33:00 2 1735 1731 1726 1697 1480 10 10 10 0 171 375
2000 10-06-2000 09:00:00 3 1778 1775 1765 1683 1413 16 16 16 1 173 356
2001 01-06-2001 09:00:00 4 1782 1774 1760 1664 1377 15 15 15 1 174 368
2002 04-06-2002 08:42:00 5 1809 1802 1796 1773 1633 16 15 15 0 174 362
2003 01-06-2003 08:33:00 6 1696 1690 1684 1652 1402 9 9 9 0 171 375
2004 10-06-2004 09:00:00 7 1743 1737 1725 1633 1345 15 15 16 1 173 356
2005 01-06-2005 08:42:00 8 1754 1753 1753 1729 1525 14 14 15 0 173  
Max     1884                 176 375
Min     1696                 171 356
Events with c > lowest effect value (fish)                    
    8                      
Events with c > lowest effect value (daphnies)                    
    8                      
Events with c > lowest effect value (algae)                    
    8                      
Fractiles                        
80%     1809 (min 5 values)             174 375
90%       (min 10 values)                
95%       (min 20 values)                

 

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Version 1.0 December 2006, © Danish Environmental Protection Agency