. 2013 Jan 26;2:24. doi: 10.1186/2193-1801-2-24

Table 4.

Concentrations in μg·L^-1found in treated water samples from two wastewater treatment plants of Gran Canaria island^a

WWTP	Date	Naproxen	Carbamazepine	Ketoprofen	Bezafibrate
WWTP1	Jan-2011	0.06 ± 0.01	0.51 ± 0.01	0.78 ± 0.08	2,15 ± 0.37
	Mar-2011	0.10 ± 0.03	0.06 ± 0.01	0.22 ± 0.06	0.51 ± 0.05
	May-2011	0.08 ± 0.01	0.02 ± 0.00	0.26 ± 0.03	1.50 ± 0.02
	July-2011	0.25 ± 0.00	0.19 ± 0.01	1.36 ± 0.03	nd^b
	Sept-2011	nd^b	nd^b	0.07 ± 0.01	0.04 ±0.01
	Nov-2011	0.15 ±0.01	0.04 ± 0.00	0.14 ± 0.00	0.37 ± 0.07
WWTP2	Jan-2011	nd^b	0.97 ± 0.03	0.11 ± 0.01	nd^b
	Mar-2011	nd^b	0.36 ± 0.03	nd^b	nd^b
	May-2011	0.05 ± 0.01	0.08 ± 0.00	0.30 ± 0.01	2.13 ± 0.08
	July-2011	nd^b	0.67 ± 0.06	0.06 ± 0.00	nd^b
	Sept-2011	nd^b	0.19 ± 0.02	0.05 ± 0.01	nd^b
	Nov-2011	0.21 ± 0.02	0.24 ± 0.00	0.05 ± 0.00	nd^b
WWTP	Date	Atenolol	Metamizole	Paraxanthine	Fluoxetine
WWTP1	Jan-2011	0.31 ± 0.01	3,45 ± 2.33	12.31 ± 0.83	nd^b
	Mar-2011	0.61 ± 0.20	0.41 ± 0.15	8.36 ± 0.02	nd^b
	May-2011	0.65 ± 0.03	nd^b	nd^b	nd^b
	July-2011	2.95 ± 0.03	0.80 ± 0.01	nd^b	nd^b
	Sept-2011	0.95 ± 0.12	1.65 ± 0.21	34.81 ± 1.64	nd^b
	Nov-2011	0.04 ± 0,00	0.25 ± 0.08	nd	nd^b
WWTP2	Jan-2011	nd^b	nd^b	nd^b	nd^b
	Mar-2011	0.07 ± 0.01	1.19 ± 1.06	nd^b	nd^b
	May-2011	nd^b	8.25 ± 0.19	nd^b	nd^b
	July-2011	0.12 ±0.01	0.24 ± 0.02	nd^b	nd^b
	Sept-2011	0.26 ± 0.04	0.62 ± 0.14	nd^b	nd^b
	Nov-2011	0.04 ± 0.00	0.25 ± 0.08	nd^b	nd^b
WWTP	Date	Levofloxacin	Norfloxacin	Ciprofloxacin	Enrofloxacin	Sarafloxacin
WWTP1	Jan-2011	4.40 ± 0.20	nd^b	nd^b	nd^b	nd^b
	Mar-2011	2.93 ± 0.17	nd^b	11.1 ± 0.75	nd^b	nd^b
	May-2011	3.70 ± 0.28	nd^b	20.3 ±1.81	nd^b	nd^b
	July-2011	nd^b	nd^b	nd^b	nd^b	nd^b
	Sept-2011	nd^b	nd^b	nd^b	nd^b	nd^b
	Nov-2011	0.44 ± 0.03	nd^b	nd^b	nd^b	nd^b
WWTP2	Jan-2011	5.90 ± 0,59	nd^b	nd^b	nd^b	nd^b
	Mar-2011	14.1 ± 0.92	nd^b	nd^b	nd^b	nd^b
	May-2011	6.24 ± 0.28	nd^b	16.02 ± 0.82	nd^b	nd^b
	July-2011	nd^b	nd^b	nd^b	nd^b	nd^b
	Sept-2011	nd^b	nd^b	nd^b	nd^b	nd^b
	Nov-2011	nd^b	nd^b	nd^b	nd^b	nd^b

^an = 3.

^bnd = not detected.