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Establishment of a basis for administrative use of PestSurf

Table 3.8. Part of the result sheet generated by the PestSurf Excel sheet, applied to the spring 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 3.21.
Tabel 3.8. 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 18-04-1998 13:00:00 1 303 303 303 303 303 296 295 275 269 3376 146
  10-09-1998 00:00:00 2 2 2 2 2 2 2 2 2 264 384 41
  21-10-1998 00:00:00 3 16 15 15 15 15 14 13 10 0 720 178
1999 18-04-1999 01:00:00 4 65 65 65 65 65 65 64 61 377 1696 69
  25-06-1999 00:00:00 5 0 0 0 0 0 0 0 0 48 144 43
  07-08-1999 00:00:00 6 1 1 1 1 1 1 1 1 672 1944 118
  03-12-1999 00:00:00 7 2 2 2 2 2 2 2 1 0 360 119
2000 01-04-2000 08:30:00 8 7 6 5 5 5 5 5 4 0 808 365
2001 01-04-2001 08:30:00 9 7 6 5 5 5 5 5 4 0 880 382
2002 18-04-2002 14:00:00 10 311 311 311 311 311 303 303 282 270 3376 146
  11-09-2002 00:00:00 11 2 2 2 2 2 2 2 2 264 384 41
  22-10-2002 00:00:00 12 16 16 16 16 16 15 13 11 0 720 178
2003 18-04-2003 03:00:00 13 66 66 66 66 66 66 65 62 379 1696 69
  25-06-2003 00:00:00 14 0 0 0 0 0 0 0 0 48 144 43
  07-08-2003 00:00:00 15 1 1 1 1 1 1 1 1 672 1944 118
  03-12-2003 00:00:00 16 2 2 2 2 2 2 2 1 0 384 119
2004 01-04-2004 08:30:00 17 7 6 5 5 5 5 5 4 0 808 365
2005 01-04-2005 08:30:00 18 7 6 5 5 5 5 5 4 0 880  
Max     311                 3376 382
Min     0                 144 41
Events with c > lowest effect value (fish)                    
    14                      
Events with c > lowest effect value (daphnies)                    
    6                      
Events with c > lowest effect value (algae)                    
    2                      
Fractiles                        
80%     65 (min 5 values)             1944 178
90%     303 (min 10 values)             3376 365
95%       (min 20 values)                

 

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Version 1.0 December 2006, © Danish Environmental Protection Agency