Evaluation of the Presence of Endocrine-Disrupting Compounds in Dissolved and Solid Wastewater Treatment Plant Samples of Gran Canaria Island (Spain)

Table 5

Sludge and particulate matter (solid fractions) concentrations (ng·g⁻¹) for each target compound in both WWTPS under study.

Sludge samples	Jul '10	Sep '10	Nov '10	Jan '11	March '11	May '11	Jul '11	Frequency (%)	Average
WWTP 1
NP^a	216.1 ± 9.1	479.1 ± 22.7	52.7 ± 2.1	211.3 ± 5.2	324.5 ± 6.7	175.9 ± 12.3	22.1 ± 0.2	100	211.7
OP^a	49.3 ± 1.4	22.2 ± 1.2	39.1 ± 3.0	20.7 ± 2.0	8.7 ± 0.6	14.0 ± 2.3	22.3 ± 1.0	100	25.2
NPEOs^a	461.1 ± 15.7	890.1 ± 35.1	125.4 ± 11.1	471.5 ± 8.1	92.1 ± 6.7	92.4 ± 3.3	451.4 ± 10.1	100	369.1
OPEOs^a	74.5 ± 6.0	55.9 ± 1.7	21.9 ± 1.2	190.1 ± 9.5	25.1 ± 1.5	129.3 ± 9.1	44.0 ± 1.3	100	77.3
BPA^a	0.9 ± 0.1	BQL^c	7.7 ± 0.7	BQL^c	BQL^c	2.5 ± 0.2	7.9 ± 0.5	57.1	4.8
E2^a	10.1 ± 1.0	5.1 ± 0.3	14.1 ± 0.9	BQL^c	17.9 ± 1.4	20.6 ± 1.6	39.1 ± 1.1	85.7	17.8
E1^a	BQL^c	BQL^c	7.5 ± 0.3	BQL^c	1.7 ± 0.1	BQL^c	3.2 ± 0.3	42.9	4.1
E3^a	BQL^c	BQL^c	BQL^c	BQL^c	BQL^c	BQL^c	0.3 ± 0.0	14.3	0.3
EE^a	27.1 ± 2.1	21.1 ± 2.0	22.0 ± 1.7	5.9 ± 0.4	38.9 ± 2.1	9.3 ± 0.5	42.0 ± 2.7	100	23.8
DES^a	BQL^c	BQL^c	3.0 ± 0.4	BQL^c	0.9 ± 0.1	11.5 ± 0.7	BQL^c	42.9	5.1
WWTP 2
NP^a	91.0 ± 5.0	101.2 ± 7.9	370.2 ± 26.3	250.1 ± 9.3	27.7 ± 2.1	63.0 ± 1.1	32.0 ± 1.8	100	133.6
OP^a	60.1 ± 2.5	38.1 ± 3.1	35.1 ± 2.2	50.9 ± 1.7	12.5 ± 0.2	16.7 ± 1.3	71.2 ± 0.9	100	40.7
NPEOs^a	240.9 ± 19.6	500.4 ± 32.3	612.1 ± 19.1	96.1 ± 1.1	218.3 ± 15.5	683.4 ± 4.5	403.9 ± 27.1	100	393.6
OPEOs^a	311.8 ± 6.3	43.2 ± 2.1	104.0 ± 7.1	44.8 ± 2.3	47.5 ± 2.5	191.0 ± 7.0	161.6 ± 3.3	100	129.1
BPA^a	BQL^c	BQL^c	15.9 ± 0.9	2.7 ± 0.2	1.9 ± 0.1	BQL^c	7.6 ± 0.7	71.4	6.8
E2^a	1.7 ± 0.2	7.2 ± 0.3	33.9 ± 1.0	21.1 ± 1.1	7.7 ± 0.1	73.7 ± 3.2	1.5 ± 0.1	100	21.0
E1^a	4.3 ± 0.2	BQL^c	5.0 ± 0.3	BQL^c	4.5 ± 0.1	1.5 ± 0.1	BQL^c	57.1	3.8
E3^a	BQL^c	BQL^c	BQL^c	BQL^c	BQL^c	BQL^c	BQL^c	0	0.0
EE^a	111.1 ± 9.3	56.1 ± 2.1	121.7 ± 1.3	13.1 ± 0.4	25.8 ± 2.1	83.1 ± 3.9	55.9 ± 3.3	100	66.7
DES^a	BQL^c	BQL^c	17.5 ± 0.4	BQL^c	BQL^c	BQL^c	3.8 ± 0.3	28.6	10.7
Particulate matter	Jul '10	Sep '10	Nov '10	Jan '11	March '11	May '11	Jul '11	Frequency (%)	Average
WWTP 1
NP^a	198.6 ± 5.3	754.3 ± 39.1	105.7 ± 4.7	390.4 ± 33.3	401.6 ± 30.7	200.0 ± 15.9	90.9 ± 3.4	100	305.9
OP^a	22.7 ± 0.9	50.0 ± 2.9	19.9 ± 1.1	120.4 ± 8.0	68.1 ± 4.3	30.5 ± 0.9	11.6 ± 1.0	100	50.1
NPEOs^a	618.3 ± 40.2	391.8 ± 19.5	93.6 ± 6.1	290.5 ± 17.4	214.2 ± 16.1	183.5 ± 12.0	207.9 ± 10.6	100	285.7
OPEOs^a	99.2 ± 3.9	69.6 ± 3.1	BQL^c	78.9 ± 7.0	33.9 ± 1.9	40.7 ± 2.1	60.8 ± 5.9	85.7	63.9
BPA^a	3.7 ± 0.2	12.3 ± 0.8	BQL^c	BQL^c	BQL^c	BQL^c	12.7 ± 0.6	42.9	9.6
E2^a	21.5 ± 2.7	9.0 ± 0.7	51.7 ± 0.6	29.5 ± 3.3	7.1 ± 2.0	31.8 ± 1.3	50.3 ± 3.0	100	28.7
E1^a	22.5 ± 0.9	14.0 ± 0.9	BQL^c	5.1 ± 0.4	BQL^c	11.0 ± 0.8	BQL^c	57.1	13.2
E3^a	BQL^c	BQL^c	BQL^c	3.1 ± 0.1	BQL^c	BQL^c	BQL^c	14.3	3.1
EE^a	14.0 ± 0.7	BQL^c	7.7 ± 0.4	BQL^c	105.1 ± 7.8	12.9 ± 1.0	19.1 ± 0.5	71.4	31.8
DES^a	14.3 ± 1.0	BQL^c	6.3 ± 0.3	BQL^c	10.4 ± 0.4	BQL^c	BQL^c	42.9	10.3
WWTP 2
NP^a	129.2 ± 7.9	212.4 ± 3.9	209 ± 9.6	301.8 ± 19.1	63.6 ± 2.9	331.9 ± 20.1	99.5 ± 1.8	100	192.5
OP^a	34.8 ± 0.7	41.6 ± 2.9	49.0 ± 3.3	69.7 ± 3.8	5.0 ± 0.2	22.9 ± 1.4	17.7 ± 0.9	100	34.4
NPEOs^a	89.5 ± 5.3	350.1 ± 3.1	189.6 ± 10.6	78.0 ± 2.0	189.2 ± 4.9	1003 ± 61.9	106.8 ± 14.7	100	286.6
OPEOs^a	129.6 ± 11.8	51.0 ± 2.1	128.4 ± 5.1	77.1 ± 0.9	31.7 ± 0.9	59.7 ± 5.1	184.6 ± 3.9	100	100.4
BPA^a	21.5 ± 1.5	BQL^c	BQL^c	BQL^c	3.9 ± 0.6	BQL^c	BQL^c	28.6	12.7
E2^a	33.0 ± 2.0	BQL^c	33.7 ± 2.9	22.7 ± 0.7	14.6 ± 0.4	44.8 ± 0.7	25.1 ± 3.3	85.7	29.0
E1^a	13.5 ± 0.3	5.9 ± 0.3	21.3 ± 2.0	BQL^c	BQL^c	32.7 ± 0.8	5.5 ± 0.2	57.1	15.8
E3^a	BQL^c	BQL^c	BQL^c	BQL^c	BQL^c	BQL^c	BQL^c	0	0.0
EE^a	33.9 ± 0.9	12.0 ± 0.1	75.9 ± 2.7	29.0 ± 3.1	91.8 ± 2.9	29.4 ± 0.5	BQL^c	85.7	45.3
DES^a	4.1 ± 0.3	BQL^c	23.7 ± 2.0	BQL^c	BQL^c	6.9 ± 0.1	BQL^c	42.9	11.6

aMean and standard deviation of three determinations; ^bconcentration below the limit of detection; ^cconcentration below the limit of quantification.