Table 1 Water samples from Hanzui coal mine.

From: Identification of water sources of mine water bursts based on the FPS-DT model

Sample number	Na⁺+ K⁺	Ca²⁺	Mg²⁺	Cl^-	SO₄^2-	HCO₃^-+CO₃^2-	TDS	PH	Water sample type
1	338.40	63.79	26.60	60.93	248.46	859.38	1167.87	7.90	I
2	446.90	29.90	18.14	144.01	219.79	883.48	1303.46	8.06	I
3	563.00	8.12	3.69	57.15	58.40	1330.78	1375.10	7.91	II
4	563.00	8.12	1.23	50.01	51.10	1270.46	1322.08	7.94	II
5	386.10	58.83	28.25	53.72	340.75	851.48	1302.30	7.92	I
6	582.90	12.18	0.00	56.50	19.47	1377.93	1397.35	8.17	II
7	371.50	33.00	31.02	59.50	268.98	959.32	1243.66	7.11	I
8	365.90	57.55	22.44	57.15	266.00	871.48	1204.78	7.61	I
9	510.10	5.55	2.24	51.03	4.43	1236.57	1199.41	7.68	II
10	386.50	61.28	25.28	57.30	334.88	827.02	1296.58	7.83	I
11	385.60	10.28	2.49	31.86	2.46	961.48	913.43	7.71	III
12	439.10	40.40	17.50	60.88	235.15	943.55	1264.81	7.79	I
13	447.10	42.32	12.84	60.88	193.66	952.65	1233.13	8.10	I
14	379.20	52.91	19.84	57.30	214.41	861.63	1154.48	7.94	I
15	385.20	67.82	18.70	50.98	263.54	931.43	1251.96	7.90	I
16	548.10	14.52	0.00	70.10	52.21	1364.10	1366.98	8.83	II
17	421.10	69.88	14.96	54.17	285.71	949.37	1323.46	8.33	I
18	423.80	59.98	21.95	60.69	225.53	927.80	1275.77	7.14	I
19	423.80	58.94	19.44	60.69	193.31	937.40	1237.14	7.21	I
20	407.56	21.28	33.02	56.60	269.60	784.43	1188.96	7.16	I
21	410.50	49.00	4.35	55.61	265.28	803.08	1194.48	7.80	I
22	390.38	23.10	25.01	59.50	263.42	982.86	1252.84	7.14	I
23	533.17	16.50	10.01	57.80	232.96	1016.21	1358.55	7.21	I
24	327.72	3.46	2.10	24.79	22.22	920.08	840.33	7.16	III
25	386.50	51.10	19.00	64.70	261.00	932.20	1279.00	7.70	I
26	419.35	51.10	19.10	59.50	229.00	1016.21	1286.16	7.68	I
27	537.63	15.20	9.84	59.30	231.00	940.00	1322.97	7.75	I
28	402.60	0.96	6.98	54.40	225.00	736.00	1057.94	7.80	III
29	407.02	19.40	7.06	0	251.00	859.20	1144.68	7.40	III
30	423.52	8.81	2.37	47.50	293.00	820.00	1185.20	8.12	III
31	453.40	40.61	11.08	58.32	278.72	974.18	1332.33	7.96	I
32	492.34	16.58	5.80	146.08	7.82	1064.02	1200.63	6.46	II
33	436.77	4.02	58.52	97.39	271.24	899.00	1117.44	6.65	I
34	187.56	12.87	10.21	9.92	54.54	555.19	552.70	6.87	III
35	587.60	6.09	3.08	64.29	17.03	1379.25	1385.57	8.31	II
36	398.30	33.91	31.79	162.47	325.11	580.49	1256.71	8.33	I
37	562.80	20.55	0.00	87.48	4.93	1429.28	1405.96	8.11	II
38	381.70	45.22	18.70	54.67	241.37	898.37	1190.85	7.83	I
39	346.10	55.49	2.26	54.67	246.30	879.39	1144.51	7.80	I
40	366.10	59.60	24.93	57.15	266.00	874.51	1211.04	7.72	I
41	337.00	62.94	14.78	58.94	209.26	835.07	1103.43	8.00	I
42	225.14	15.20	8.07	27.30	70.60	594.00	643.31	7.50	III

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Table 1 Water samples from Hanzui coal mine.

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