NP nominal concentration Week Zeta DLS concentration P25 24 1 -26 926.8 24.29 P25 24 1 -26.2 865.8 27.42 P25 24 1 -25.4 836.3 28.52 P25 24 2 -25.7 1933 20.18 P25 24 2 -26.4 1611 21.29 P25 24 2 -26.3 1446 P25 24 3 -23.9 1151 11.45 P25 24 3 -23.9 787.7 4.34 P25 24 3 -23.4 942.9 P25 24 4 -20.1 1186 11.75 P25 24 4 -20.7 997.2 11.35 P25 24 4 -21.2 1047 E171 24 1 -26.9 393.5 15.47 E171 24 1 -28.6 381.6 23.07 E171 24 1 -28.8 374.5 23.41 E171 24 2 -26.8 478.2 23.39 E171 24 2 -28.2 490.3 21.96 E171 24 2 -29.4 462.5 E171 24 3 -28.3 544.5 16.34 E171 24 3 -28.4 519.8 15.78 E171 24 3 -29.8 506.7 E171 24 4 -25 391.5 19.28 E171 24 4 -24.7 396.2 15.71 E171 24 4 -26.5 386.9 Bulk 24 1 -29.3 399.4 26.44 Bulk 24 1 -29.9 397.9 24.24 Bulk 24 1 -29.7 385.1 24.27 Bulk 24 2 -28.1 464.2 7.1 Bulk 24 2 -27.6 433.8 Bulk 24 2 -29.7 439.9 Bulk 24 3 -27.3 406.5 17.69 Bulk 24 3 -26.8 413.1 18.85 Bulk 24 3 -27.3 398.4 Bulk 24 4 -27.4 490.8 16.68 Bulk 24 4 -27.7 453.2 17.64 Bulk 24 4 -28.8 456.1