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Establishment of a basis for administrative use of PestSurf

Table 11.4. Part of the result sheet generated by the PestSurf Excel sheet. The selected table shows the point along the stream with the highest concentration recorded The lowest detection value is 1 ng/l, toxicity to fish, daphnies and algae are set to 10, 100 and 1000 ng/, respectively. The recorded peaks are shown in Figure 11.9.
Tabel 11.4. Uddrag af resultatpresentationen genereret af PestSurf-Excel-arket. Den udvalgte tabel viser det fordefinerede punkt langs med åen med højest koncentration. Detektionsgrænsen er sat til 1 ng/l mens toxicitetsværdierne for fisk, dafnier og alger er henholdsvis 10, 100 og 1000 ng/l. De tabellerede hændelser er vist i Figur 11.9.

ODDERBAEK 1584.119-3818.000; Chainage: 1621.059570; EumType: Concentration
Lowest Detection Concentration = 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 15-05-1998 08:33:00 1 6597 6579 6545 6400 5830 26 19 19 0 513 368
1999 18-05-1999 08:33:00 2 5548 5499 5432 5045 3591 7 7 7 0 507 364
2000 16-05-2000 08:33:00 3 6386 6373 6357 6277 5522 13 11 11 0 508 365
2001 16-05-2001 08:33:00 4 6555 6555 6543 6476 5906 19 15 15 0 509 364
2002 15-05-2002 08:33:00 5 6355 6320 6279 6125 5330 17 15 16 0 510 368
2003 18-05-2003 08:33:00 6 5395 5334 5256 4832 3339 7 7 8 0 508 29
16-06-2003 04:00:00 7 1 1 1 1 1 1 1 1 40 108 198
31-12-2003 00:00:00 8 1               0 0 29
2004 29-01-2004 00:00:00 9 1 1 1 1 1     1 0 0 3
01-02-2004 00:00:00 10 1 1 1 1 1 1 1 1 24 96 7
08-02-2004 00:00:00 11 1 1 1 1       1 0 0 3
11-02-2004 00:00:00 12 1 1 1 1 1 1 1 1 24 216 24
06-03-2004 00:00:00 13 1 1 1 1 1 1 1 1 48 360 71
16-05-2004 08:33:00 14 6276 6253 6231 6140 5330 12 11 11 0 509 291
2005 03-03-2005 00:00:00 15 1 1 1 1 1 1 1 1 192 480 74
16-05-2005 08:33:00 16 6469 6458 6441 6366 5773 18 15 15 0 510  
Max     6597                 513 368
Min     1                 0 3
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%     6386 (min 5 values)             509 364
90%     6555 (min 10 values)             510 368
95%       (min 20 values)                

 

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Version 1.0 December 2006, © Danish Environmental Protection Agency