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Table 1 Levels and loads of cocaine and its metabolite (benzoylecgonine, BE) in the River Po and WWTPs.

From: Cocaine in surface waters: a new evidence-based tool to monitor community drug abuse

 

Levelsa

Loads

 

Cocaine (ng/liter)

BE (ng/liter)

Cocaine equivalentsb (g/day)

River Po

1.2 ± 0.2c

25 ± 5c

3800 ± 720c

WWTPs d

   

Cagliari

83

640

130

Cuneo

76

420

30

Latina

120

750

33

Varese

42

390

36

  1. aCocaine and BE were analyzed by HPLC-MS/MS
  2. bCocaine loads were estimated from BE concentrations in the waters (see Methods)
  3. cMean ± SD
  4. dWaste water treatment plant locations
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Environmental Health

ISSN: 1476-069X