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Table 1 Summary of the monthly average sales, amount of defined daily doses (DDD) and correction factors for the different pharmaceuticals (reference)

From: Comparison of pharmaceutical, illicit drug, alcohol, nicotine and caffeine levels in wastewater with sale, seizure and consumption data for 8 European cities

  Sales DDD Correction Loads based on sales data Loads measured in WW
Compound (monthly average) (g) factora (grams/day) (mg/day/1000 inh)
Atenolol 55770 0.07 2.7 [58] 139 215.7
Carbamazepine 18920 1 6.9 [59, 58] 631 2418.5
Citalopram 61708 0.02 9.6 [58] 41 267.2
Diclofenac 18920 0.1 8.3 [60] 588 961.3
Methadone 44698 0.02 3.6 [32] 37 19.0
Methylphenidate 80586 0.03 50.0 [61] 81 323.4
Metoprolol 347042 0.15 21.5 [58] 1735 6543.8
Morphine 14718 0.03 3.1 [2] 49 94.2
Oxazepam 89610 0.05 1.7 [62] 149 168.6
Paracetamol 471511 3 2.1 [58] 47151 11231.3
  1. a Correction factor is based on the expected amount excreted in urine
  2. Sales data average estimated over 24 months in 2012 and 2013. Population-normalised loads measured in wastewater data for pharmaceuticals in Oslo