Environmental surveillance of commonly-grown vegetables for investigating potential lead and chromium contamination intensification in Bangladesh

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Table 4 Statistics of the data on Cd

Vegetables	Total count of samples analyzed	Contamination found in samples			Samples with safe levels			Samples yielding ND			Median, µg/g dry weight basis	Upper Quartile, µg/g dry weight basis	Dry weight basis standard for Cd, µg/g
Vegetables	Total count of samples analyzed	Total count	% of total count of analyzed samples	Maximum level occurred	Total count	% of total count of analyzed samples	Minimum level detected, dry weight basis (µg/g)	Total count	% of total count of analyzed samples	% of total sample count with safe levels	Median, µg/g dry weight basis	Upper Quartile, µg/g dry weight basis	Dry weight basis standard for Cd, µg/g
White Potato	49	15	30.61	5.484 µg/g dry weight basis	34	69.39	0.049	26	53.06	76.47	0.741	1.93	0.47619
Green Cabbage	49	4	8.16	1.11 µg/g dry weight basis	45	91.84	0.098	32	65.31	71.11	0.436	0.64	0.71429
Red Spinach	60	5	8.33	5.323 µg/g dry weight basis	55	91.67	0.05	27	45	49.09	0.885	1.765	2.5
White Radish	64	5	7.81	3.638 µg/g dry weight basis	59	92.19	0.149	35	54.69	59.32	0.746	1.4765	2
Green Bean	64	22	34.37	5.092 µg/g dry weight basis	42	65.63	0.095	30	46.88	71.43	0.654	1.1115	0.47619
Overall	286	51	17.83	5.484 µg/g dry weight basis	235	82.17	0.049	150	52.48	63.83	0.67	1.2678