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Establishment of a basis for administrative use of PestSurf

Table 3.6. Part of the result sheet generated by the PestSurf Excel sheet for the autumn-application of bromoxynil. The selected table shows the point along the stream with the highest concentration recorded. 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 2000 ng/, respectively. The recorded peaks are shown in Figure 3.12.
Tabel 3.6. Uddrag af resultatpresentationen genereret af PestSurf-Excel-arket for efterårsudbragt bromoxynil. Den udvalgte tabel viser det fordefinerede punkt langs med åen med højest koncentration. Detektionsgrænsen er sat til 10 mens toxicitetsværdierne for fisk, dafnier og alger er henholdsvis 100, 1000 og 2000 ng/l. De tabellerede hændelserne er vist i Figur 3.11.

ODDERBAEK 1584.119-3818.000; Chainage: 1621.059570; 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
1998 02-11-1998 08:33:00 1 1384 1299 1215 917 343       0 2 347
1999 15-10-1999 08:33:00 2 2208 2205 2198 2112 1590       0 4 365
2000 14-10-2000 08:33:00 3 1997 1972 1938 1744 1088       0 3 367
2001 16-10-2001 09:00:00 4 2636 2626 2605 2451 1993       1 8 382
2002 02-11-2002 08:33:00 5 1344 1259 1175 876 310       0 2 347
2003 15-10-2003 08:33:00 6 2156 2150 2139 2038 1498       0 4 365
2004 14-10-2004 08:33:00 7 1950 1920 1883 1684 1033       0 3 367
2005 16-10-2005 09:00:00 8 2595 2583 2559 2396 1925       1 8  
Max     2636                 8 382
Min     1344                 2 347
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%     2595 (min 5 values)             8 367
90%       (min 10 values)                
95%       (min 20 values)                

 

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Version 1.0 December 2006, © Danish Environmental Protection Agency