SupplementaryMaterials

for

Microbial Transformation of Dissolved Organic Matter from Different Sources and Its Influence on Disinfection By-Product Formation Potentials

Jin Hur, Mi-Hee Lee, Hocheol Song and Mark A. Schlatman

Number of Pages:4

Number of Tables:1

Number of Figures:1 (shown on two pages)

Table S1. Weight- and number-averagemolecular weights (MWw and MWn) and the relative distributions of three size classes for the DOM samples before and after biodegradation.

Sources / HMW / MMW / LMW / Total
MWw
(Da) / MWn
(Da) / Relative. Area (%) / MWw
(Da) / MWn
(Da) / Relative
Area (%) / MWw
(Da) / MWn
(Da) / Relative
Area (%) / MWw
(Da) / MWn
(Da)
Original / AG
LT / -
23260 / -
21511 / 0.0
16.5 / 1492
5464 / 1405
3254 / 3.0
68.4 / 209
486 / 154
330 / 97.0
15.2 / 247
7639 / 158
1475
RD / 21471 / 20607 / 1.9 / 2903 / 1763 / 32.8 / 396 / 209 / 65.3 / 1614 / 302
CP / 25360 / 23680 / 9.7 / 3546 / 2118 / 68.8 / 635 / 472 / 21.5 / 5029 / 1274
TS
PW / -
- / -
- / 0.0
0.0 / 1281
1364 / 1242
1302 / 23.4
38.2 / 525
606 / 337
475 / 76.6
61.8 / 702
895 / 407
627
Bio-degraded / AG
LT / -
22574 / -
21474 / 0.0
8.9 / 1565
4498 / 1430
2889 / 33.5
86.1 / 512
708 / 306
633 / 66.5
4.9 / 865
5925 / 415
2629
RD / 23506 / 22385 / 1.3 / 2554 / 1879 / 57.7 / 540 / 325 / 40.9 / 2010 / 638
CP / 24606 / 23142 / 6.9 / 3291 / 2038 / 71.0 / 656 / 533 / 22.0 / 4190 / 1307
TS
PW / -
- / -
- / 0.0
0.0 / 1246
1329 / 1215
1275 / 19.8
33.3 / 522
589 / 355
441 / 80.2
66.7 / 665
835 / 413
563

Figure S1. Fluorescence EEMs of the DOM samples before and after biodegradation.

Fig. S1 (Cont.). Fluorescence EEMs of the DOM samples before and after biodegradation.