Table 2.

Pb, Cd, and As concentrations in raw milk produced in the Central Andes-2022 (mg/kg)

No. of cow	Lead	Cadmium	Arsenic	Total
1	0.054	0.023	0.022	0.099
2	0.014	0.004	0.010	0.028
3	0.058	0.017	0.010	0.085
4	0.014	0.003	0.009	0.026
5	0.075	0.008	0.015	0.098
6	0.015	0.005	0.010	0.030
7	0.056	0.015	0.008	0.079
8	0.014	0.004	0.008	0.026
9	0.068	0.009	0.017	0.094
10	0.015	0.003	0.008	0.026
11	0.013	0.002	0.010	0.025
12	0.012	0.004	0.008	0.024
13	0.030	0.005	0.007	0.042
14	0.040	0.004	0.010	0.054
15	0.013	0.003	0.007	0.023
16	0.020	0.005	0.009	0.034
17	0.020	0.004	0.009	0.033
18	0.014	0.004	0.011	0.029
19	0.013	0.003	0.009	0.025
Mean	0.029a	0.007b	0.010b	0.046
SD	0.022	0.006	0.004	0.032
MPL	0.020	0.0025	0.014

^a,bMean values with different letters vary statistically (P<0.01)

MPL, maximum permissible limit