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Establishment of a basis for administrative use of PestSurf

Table 5.10. Part of the result sheet generated by the PestSurf Excel sheet for the downstream part of the sandy loam catchment. The limiting values applied for generation of the table is 10 ng/l, toxicity to fish, daphnies and algae are set to 100, 1000 and 10000 ng/, respectively. The recorded peaks are shown in Figure 5.21.
Tabel 5.10. Uddrag af resultatpresentationen genereret af PestSurf-Excel-arket for den nedstrøms del af morænelersoplandet. Detektionsgrænsen for tabelgenerering er sat til 10 ng/l. Toxicitetsværdierne for fisk, dafnier og alger er henholdsvis 100, 1000 og 10000 ng/l. Hændelserne er vist i Figur 5.21.

NEDRELILLEBAEK 909.000-1540.000; Chainage: 1279.000000; EumType: Concentration
Lowest Detection Concentration = 10
 
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
1994 15-06-1994 08:30:00 1 46389 39438 32266 15982 15175 420 318 313 0 174 365
1995 15-06-1995 08:30:00 2 47839 40899 33672 16733 14763 467 352 340 0 177 366
1996 15-06-1996 08:30:00 3 81344 79287 75503 50158 26827 1984 1454 1292 0 192 365
1997 15-06-1997 08:30:00 4 75760 71922 66223 37735 24614 1612 816 737 0 184 364
1998 14-06-1998 08:30:00 5 46420 39466 32290 16000 15217 467 367 364 0 174 365
1999 14-06-1999 08:30:00 6 47871 40926 33692 16739 14787 478 364 352 0 177 366
2000 14-06-2000 08:30:00 7 81412 79359 75571 50164 26817 1942 1402 1239 0 192 365
2001 14-06-2001 08:30:00 8 75821 71989 66289 37760 24665 1698 906 828 0 185  
Max     81412                 192 366
Min     46389                 174 364
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%     81344 (min 5 values)             192 366
90%       (min 10 values)                
95%       (min 20 values)                

 

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Version 1.0 December 2006, © Danish Environmental Protection Agency