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Establishment of a basis for administrative use of PestSurf

Table 3.9. Part of the result sheet generated by the PestSurf Excel sheet, applied to the autumn application of bromoxynil. The limiting value used for generation of the table is 0.1 ng/l. Lowest effect value for fish, daphnies and algaes were set to 1, 10 and 100 ng/l, respectively. The recorded peaks are shown in Figure 3.22.
Tabel 3.9. Uddrag af resultatpresentationen genereret af PestSurf-Excel-arket. Grænseværdien anvendt til generering af tabellen er 0.1 ng/l mens toxicitetsværdierne for fisk, dafnier og alger er henholdsvis 1, 10 og 100 ng/l. De tabellerede hændelser er vist i Figur 3.21.

ODDER_POND 0.000-68.000; Chainage: 20.000000; EumType: Concentration
Lowest Detection Concentration = 0.1
 
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 12-11-1998 06:00:00 1 261 261 261 261 261 261 256 240 238 3880 337
1999 15-10-1999 08:30:00 2 31 27 25 25 24 20 17 14 0 716 55
  08-12-1999 00:00:00 3 0 0 0 0 0 0 0 0 120 456 310
2000 14-10-2000 08:30:00 4 155 145 138 132 124 71 53 35 0 1600 367
2001 16-10-2001 08:30:00 5 462 418 383 338 292 108 75 41 0 294 392
2002 12-11-2002 12:00:00 6 267 267 267 267 267 266 257 245 244 3904 337
2003 15-10-2003 08:30:00 7 31 27 25 25 24 20 17 14 0 716 55
  08-12-2003 00:00:00 8 0 0 0 0 0 0 0 0 120 480 310
2004 14-10-2004 08:30:00 9 155 145 138 132 124 71 53 35 0 1600 367
2005 16-10-2005 08:30:00 10 462 418 383 338 292 108 75 41 0 294  
Max     462                 3904 392
Min     0                 294 55
Events with c > lowest effect value (fish)                    
    8                      
Events with c > lowest effect value (daphnies)                    
    8                      
Events with c > lowest effect value (algae)                    
    6                      
Fractiles                        
80%     267 (min 5 values)             1600 367
90%     462 (min 10 values)             3880 367
95%       (min 20 values)                

 

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Version 1.0 December 2006, © Danish Environmental Protection Agency