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Establishment of a basis for administrative use of PestSurf

Table 3.14. Part of the result sheet generated by the PestSurf Excel sheet for the downstream part of the sandy loam catchment for the spring application of bromoxynil. The limiting values applied in the simulation is lowest detection valuε = 10 ng/l, toxicity to fish, daphnies and algae are set to 100, 1000 and 5000 ng/, respectively. The recorded peaks are shown in Figure 3.38.
Tabel 3.14. Uddrag af resultatpresentationen genereret af PestSurf-Excel-arket for den nedstrøms del af morænelersoplandet for forårsudbragt bromoxynil. Grænseværdien anvendt ved tabelgenerering er detektionsgrænsen: 10 ng/l. Toxicitetsværdierne for fisk, dafnier og alger er henholdsvis 100, 1000 og 5000 ng/l. Hændelserne er vist iFigur 3.38.

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 02-04-1994 00:30:00 1 1741 1352 1069 1076 706       0 4 364
1995 01-04-1995 08:30:00 2 3511 2783 2123 1415 1747       0 8 366
1996 01-04-1996 08:30:00 3 5999 5050 4079 2040 2382 15     0 15 365
1997 01-04-1997 08:30:00 4 5658 4721 3776 1894 2352 13     0 14 365
1998 01-04-1998 00:30:00 5 1742 1352 1069 1077 706       0 4 364
1999 31-03-1999 08:30:00 6 3511 2783 2123 1416 1747       0 8 366
2000 31-03-2000 08:30:00 7 6000 5051 4079 2041 2383 15     0 15 365
2001 31-03-2001 08:30:00 8 5659 4722 3776 1894 2353 13     0 14  
Max     6000                 15 366
Min     1741                 4 364
Events with c > lowest effect value (fish)                    
    8                      
Events with c > lowest effect value (daphnies)                    
    8                      
Events with c > lowest effect value (algae)                    
    4                      
Fractiles                        
80%     5999 (min 5 values)             15 366
90%       (min 10 values)                
95%       (min 20 values)                

 

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Version 1.0 December 2006, © Danish Environmental Protection Agency