Table 3.

Distribution of MPs particles among contaminated salt brands, on type of purification.

NO	Abundance (MPs/kg)		Type of purification [average - (MPs/kg)]	Chart
	Mean	SD
1	1034	138.6	Crystallized Salt (1413 ± 845)
2	1092	62.2
3	788	50.9
4	1056	33.9
5	1948	39.6
6	2368	113.1
7	932	62.2
8	1172	39.6
9	4248	124.5
10	700	39.6
11	1636	50.9
12	1056	22.6
13	1040	79.2
14	962	87.7
15	1264	45.3
16	1576	101.8
17	1156	62.2
18	1892	96.2	Refined Salt (1419 ± 477)
19	1352	56.6
20	1136	22.6
21	760	22.6
22	2092	62.2
23	1808	181.0
24	1736	181.0
25	1092	73.5
26	900	50.9
27	1856	124.5	Unrefined (1278 ± 553)
28	1016	67.9
29	780	17.0
30	2196	28.3
31	726	70.7
32	1064	113.1
33	1680	67.9
34	908	79.2
35	720	22.6	Non-Standard (1825 ± 1808)
36	808	33.9
37	1452	209.3
38	1286	2.8
39	1212	28.3
40	5470	99.0