采样断面编号	距路基距离(m)	重金属含量(mg/kg)
采样断面编号	距路基距离(m)	Cu	Cr	Zn	Pb
1北	0	72.74	61.72	189.91	70.13
	5	58.62	62.50	162.30	62.93
	10	68.23	77.35	162.86	44.51
	20	67.70	75.92	163.09	43.31
	30	72.72	56.02	155.38	41.50
	50	57.60	54.93	132.44	41.04
	75	57.33	49.03	128.45	35.25
	100	55.12	27.81	126.75	34.31
	均值	63.75	58.16	152.65	40.62
1南	0	63.77	38.46	185.62	59.91
	5	67.55	50.39	247.78	60.26
	10	78.03	51.06	299.16	76.92
	20	59.53	63.52	168.23	53.32
	30	52.92	24.56	132.95	50.92
	50	51.31	23.50	112.72	37.04
	75	50.22	22.69	110.52	35.26
	100	49.25	21.47	109.43	35.05
	均值	59.07	36.96	170.80	51.09
2北	0	88.73	55.41	306.62	103.39
	5	83.73	62.71	326.52	82.25
	10	68.56	73.77	317.23	76.99
	20	104.21	49.51	236.56	69.11
	30	110.08	25.74	251.04	64.10
	50	82.08	25.09	243.81	62.53
	75	63.45	19.92	164.92	55.04
	100	43.37	12.17	132.97	48.05
	均值	80.53	40.54	247.45	70.18
2南	0	59.78	57.25	119.77	69.45
	5	66.05	67.83	137.38	73.29
	10	69.34	94.46	149.05	76.62
	20	48.20	98.70	152.88	66.80
	30	49.053	46.97	151.77	47.45
	50	44.03	34.73	135.50	46.23
	75	43.16	32.89	130.36	45.79
	100	40.76	29.26	127.89	44.78
	均值	52.55	57.76	138.08	58.80
3北	0	75.67	86.59	216.49	166.50
	5	86.43	115.17	255.67	158.88
	10	78.52	203.06	261.10	117.09
	20	77.30	115.69	168.08	112.58
	30	61.63	107.46	144.70	107.61
	50	54.05	39.64	120.23	75.95
	75	52.67	37.89	116.45	70.67
	100	40.23	35.15	107.14	68.34
	均值	65.81	92.58	173.73	109.70
3南	0	110.60	97.57	201.88	129.20
	5	122.71	126.08	225.20	130.99
	10	110.17	190.59	236.65	101.48
	20	121.86	126.91	214.70	80.34
	30	65.34	70.27	156.23	78.62
	50	60.89	68.56	136.38	76.56
	75	59.25	66.48	110.15	73.28
	100	57.45	65.83	90.79	70.12
	均值	88.53	101.54	171.50	92.57