The Scientific World Journal

Research Article

Acute and Chronic Toxicity of Soluble Fractions of Industrial Solid Wastes on Daphnia magna and Vibrio fischeri

Table 1

Characteristics of industrial solid waste samples collected at the entrance of an industrial an sanitary landfill, as classified according to NBR 10004 (ABNT, 2004c).


Parameters analyzed (mean values)	Industrial waste description^a
	Sludge from textile		Sludge from metal-		Sludge from pulp and paper
	treatment plant		mechanic treatment plant		treatment plant
	Class II A		Class II A		Class II A
	Samples TX1, TX2, TX3, and TX4		Samples MM1, MM2, and MM3		Samples PP1, PP2, and PP3
	Dry weight (mg/kg)	Soluble fraction (mg/L)	Dry weight (mg/kg)	Soluble fraction (mg/L)	Dry weight (mg/kg)	Soluble fraction (mg/L)

Al	—	—	ND	—	—	—
As	38.77	ND	ND	ND	49.53	0.004
Ba	—	12.72	ND	ND	—	0.72
Cd	4.73	0.05	ND	ND	—	0.04
Pb	155.77	0.72	4.6	0.24	709.87	0.59
Cyanides	47.07	—	ND	—	—	—
Chlorides	—	—	939.5	—	—	—
Cu	—	—	ND	ND	—	—
Cr_total	50.59	1.46	228.58	0.25	98.98	0.07
Phenol	4.61	—	8.73	—	1.2	—
Fe	—	0.05	39631.8	—	—	—
Mg	—	—	240.34	—	—	—
Mn	—	—	148.3	—	—	—
Hg	ND	ND	ND	ND	0.09	0.0001
Ni	—	—	0.63	0.13	—	—
Oil and greases	—	—	0.08	—	—	—
Ag	—	—	ND	ND	—	0.03
Se	9.2	0.15	ND	ND	4.67	0.05
Zn	—	0.1	639.22	1.45	—	—

^a NBR 10004 Classification Report submitted to the industrial and sanitary landfill, by industries responsible for waste.
— Not analyzed.
ND Not detected.