Contaminação de um afluente do Reservatório de Furnas por metais traço

Cavalcanti, PP; Rodrigues, LCA; Beijo, LA; Barbosa, S; Xavier, TT; Magalhães, F

doi:10.1590/1519-6984.07013

PP Cavalcanti ^**e-mail: portyapc@gmail.com

Laboratório de Biotecnologia Ambiental & Genotoxicidade, Instituto de Ciências da Natureza – ICN, Universidade Federal de Alfenas – UNIFAL-MG, Rua Gabriel Monteiro da Silva, 700, Centro, CEP 37130-000, Alfenas, MG, Brazil

LCA Rodrigues

Laboratório de Biotecnologia Ambiental & Genotoxicidade, Instituto de Ciências da Natureza – ICN, Universidade Federal de Alfenas – UNIFAL-MG, Rua Gabriel Monteiro da Silva, 700, Centro, CEP 37130-000, Alfenas, MG, Brazil

LA Beijo

Instituto de Ciências Exatas, Universidade Federal de Alfenas – UNIFAL-MG, Rua Gabriel Monteiro da Silva, 700, Centro, CEP 37130-000, Alfenas, MG, Brazil

S Barbosa

Laboratório de Biotecnologia Ambiental & Genotoxicidade, Instituto de Ciências da Natureza – ICN, Universidade Federal de Alfenas – UNIFAL-MG, Rua Gabriel Monteiro da Silva, 700, Centro, CEP 37130-000, Alfenas, MG, Brazil

TT Xavier

Instituto de Química, Universidade Federal de Alfenas – UNIFAL-MG, Rua Gabriel Monteiro da Silva, 700, Centro, CEP 37130-000, Alfenas, MG, Brazil

F Magalhães

Departamento de Química, Universidade Federal de Lavras – UFLA, Campus Universitário, CP 3037, CEP 37200-000, Lavras, MG, Brazil

*e-mail: portyapc@gmail.com

Pb
Site	Average	Standard deviation	Minimum value	Maximum value	RSD
P1	0.0381^ab	0.0382	<0.005^DL	0.0990^ab	100.38%
P2	0.0452^ab	0.0563	<0.005^DL	0.1435^ab	124.56%
P3	0.0497^ab	0.0617	<0.005^DL	0.1437^ab	124.08%
P4	0.0429^ab	0.0485	<0.005^DL	0.1025^ab	112.83%
P5	0.0320^ab	0.0443	<0.005^DL	0.0991^ab	138.34%
CONAMA	0.01 mg.L^–1
MH	0.01 mg.L^–1

Cd
Site	Average	Standard deviation	Minimum value	Maximum value	RSD
P1	0.0018^b	0.0019	<0.0005^DL	0.0049^b	106.67%
P2	0.0051^b	0.0071	<0.0005^DL	0.0229^ab	139.35%
P3	0.0058^b	0.0077	<0.0005^DL	0.0202^ab	131.30%
P4	0.0039^b	0.0045	<0.0005^DL	0.0149^ab	114.90%
P5	0.0039^b	0.0065	<0.0005^DL	0.0201^ab	168.37%
CONAMA	0.001 mg.L^–1
MH	0.005 mg.L^–1

Zn
Site	Average	Standard deviation	Minimum value	Maximum value	RSD
P1	0.0640	0.0644	0.0037	0.1863^b	100.63%
P2	0.0875	0.1109	0.0109	0.3526^b	126.80%
P3	0.1027	0.1154	0.0033	0.2825^b	112.30%
P4	0.0900	0.0993	<0.005	0.2488^b	110.31%
P5	0.0902	0.0908	0.0160	0.2994^b	100.69%
CONAMA	0.18 mg.L^–1
MH	5 mg.L^–1

Pb
Site	Average	Standard deviation	Minimum value	Maximum value	RSD
P2	3.7983	1.7708	0.7713	7.4663	46.62%
P3	3.4163	2.0478	0.2225	6.7350	59.94%
P4	3.0590	1.2939	1.8325	5.3813	42.30%
P5	4.8003	1.6435	2.6925	6.5150	34.24%
CONAMA	35 mg.Kg^–1

Cd
Site	Average	Standard deviation	Minimum value	Maximum value	RSD
P2	0.1556	0.0632	0.0344	0.2238	40.62%
P3	0.1651	0.068	0.0325	0.2350	34.37%
P4	0.1823	0.0507	0.0531	0.2288	27.82%
P5	0.1542	0.0929	0.0181	0.2200	60.25%
CONAMA	0.6 mg.Kg^–1

Zn
Site	Average	Standard deviation	Minimum value	Maximum value	RSD
P2	11.7605	4.5802	4.5450	20.9975	38.95%
P3	9.4783	3.3985	2.0763	15.0850	35.86%
P4	11.1788	5.5020	6.8138	22.0875	49.22%
P5	16.8878	8.9623	7.9613	26.7100	53.07%
CONAMA	123 mg.Kg^–1

Site	Average	Standard deviation	Minimum value	Maximum value	RSD
P1	5.53^ab	0.4084	5^ab	6.3	7.38%
P2	6.85	0.8449	6	8.9	12.33%
P3	6.57	0.4057	6.1	7.4	6.17%
P4	7.08	0.429	6.4	7.7	6.06%
P5	6.81	0.3479	6.1	7.2	5.11%
CONAMA	6.0-9.0
MH	6.0-9.5

Site	Average	Standard deviation	Minimum value	Maximum value	RSD
P1	19.42	9.98	9.88	40	51.37%
P2	102.9^a	43.43	54.7	200^a	42.22%
P3	75.2	30.57	40.4	118.2^a	40.66%
P4	308^a	264.46	26.5	757^a	85.87%
P5	170.8^a	140.45	18.9	448^a	82.22%

Pb
Water			Sediment
Site	r	run test	Site	r	run test
P1	- 0.8458^s	0.0128
P2	- 0.7539^s	0.0128	P2	- 0.1070^ns	0.5023
P3	- 0.8257^s	0.0143	P3	- 0.3279^ns	1.0000
P4	- 0.8535^s	0.0128	P4	- 0.6140^ns	0.1797
P5	- 0.8117^s	0.0198

Cd
Water			Sediment
Site	r	run test	Site	r	run test
P1	- 0.1487^ns	0.0772
P2	- 0.6941^s	0.0128	P2	0.8332^s	0.0073
P3	- 0.6878^s	0.0128	P3	0.8522^s	0.0073
P4	- 0.7844^s	0.0128	P4	0.8322^s	0.0076
P5	- 0.6398^s	0.2964

Zn
Water			Sediment
Site	r	run test	Site	r	run test
P1	- 0.6168^ns	0.2964
P2	- 0.3173^ns	0.0772	P2	0.2960^ns	1.0000
P3	0.0125^ns	0.4450	P3	- 0.4214^ns	0.5023
P4	- 0.3303^ns	0.0772	P4	- 0.5870^ns	0.1797
P5	- 0.2229^ns	0.2964

[1] *e-mail: portyapc@gmail.com

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Contaminação de um afluente do Reservatório de Furnas por metais traço