12-14  Main Pullutant Emission in Waste Water in Main Cities (2011)
City	Total Waste	Main Pullutant Emission in Waste Water
	Water	COD	Ammonia	Total	Total	Petroleum	Volatile	Plumbum	Mercury	Cadmium	Hexavalent	Total	Arsenic
	Discharged		Nitrogen	Nitrogen	Phosphorus		Phenol				Chromium	Chromium
	(10 000 tons)	(10 000 tons)	(10 000 tons)	(10 000 tons)	(10 000 tons)	(ton)	(ton)	(kg)	(kg)	(kg)	(kg)	(kg)	(kg)
Beijing	145469	19.32	2.13	3.28	0.45	82.08	0.92	186.18	1.72	12.44	339.62	508.68	28.09
Tianjin	67147	23.58	2.64	3.67	0.47	199.56	1.32	1459.38	1.09	9.80	105.93	285.17	22.81
Shijiazhuang	54230	23.64	1.67	5.62	0.63	175.02	4.53	16.68	0.54	1.39	4.95	2141.33	1.69
Taiyuan	19205	2.65	0.56	0.41	0.05	24.69	0.17	173.91	2.07	13.33	126.92	127.98	64.41
Hohhot	13754	14.15	0.48	3.00	0.31	3.12	0.02	3.79	2.19	0.38	0.90	0.90	0.51
Shenyang	41055	27.24	2.33	4.78	0.61	52.98	51.38	38.41	0.04	1.93	94.46	95.67	0.54
Changchun	26767	18.00	1.41	2.98	0.42	31.24	0.26	16.50	0.01	0.07	98.41	102.56	0.28
Harbin	41901	33.14	2.37	5.60	0.62	27.79	0.43	22.22	0.30	1.14	151.60	153.87	2.29
Shanghai	214155	24.90	5.04	1.53	0.20	776.96	5.84	175.54	3.39	18.22	1024.61	2548.91	38.05
Nanjing	82769	11.42	1.79	0.84	0.09	292.00	9.72	39.95	0.76	10.61	355.20	428.69	52.05
Hangzhou	96219	11.07	1.42	1.27	0.17	51.18	17.39	44.96	0.25	2.94	2214.25	2659.18	12.81
Hefei	40213	13.07	1.18	1.54	0.23	25.03		71.87	0.63	6.96	9.61	26.33	92.00
Fuzhou	36069	10.90	1.63	1.45	0.21	28.94	0.15	39.38	13.71	2.79	489.11	517.35	8.42
Nanchang	40492	9.22	1.13	1.34	0.18	71.82	3.30	70.40	0.44	9.59	16940.42	16955.74	23.80
Jinan	29794	12.08	1.02	2.77	0.32	84.27	8.38	6.57	0.27	1.54	201.99	244.35	43.25
Zhengzhou	47307	10.27	1.30	1.94	0.25	135.65	0.76	21.19	0.23	6.30	44.39	52.45	30.56
Wuhan	76666	16.56	1.92	1.38	0.18	147.47	0.66	189.54	2.19	4.71	1182.24	1193.58	219.43
Changsha	42271	12.66	1.43	1.58	0.21	84.90	0.02	149.13	0.26	22.39	412.05	554.39	30.08
Guangzhou	141610	19.53	2.48	1.50	0.26	112.15	0.24	682.10	1.10	11.68	2004.86	5352.54	51.65
Nanning	36355	13.69	1.51	1.84	0.24	29.87	11.86	84.59	12.32	3.42	532.65	534.52	82.02
Haikou	11911	1.89	0.46	0.51	0.07	3.69		0.27		0.11		131.33	0.47
Chongqing	131450	41.68	5.50	5.51	0.69	522.76	35.01	188.00	3.59	12.22	304.17	740.57	1418.27
Chengdu	84467	20.97	2.45	3.18	0.39	43.35		38.02	0.20	1.68	58.28	399.99	98.43
Guiyang	14508	4.43	0.52	0.28	0.04	113.41	0.03	8.10	0.08	1.15	44.30	60.32	0.51
Kunming	45335	3.21	0.72	0.74	0.13	82.69	1.48	11678.43	3.39	2042.65	2.48	34.32	6751.05
Lhasa	2088	1.05	0.12	0.09	0.05	0.24		0.21		0.06		0.17	2721.06
Xi'an	40770	12.55	1.43	1.46	0.15	140.48	0.04	60.71	0.21	4.54	73.93	182.22	0.02
Lanzhou	16102	5.71	1.02	0.38	0.04	87.52	8.40	99.68	0.44	18.54	149.34	154.74	3.79
Xining	10174	4.23	0.45	0.30	0.03	60.82	0.64	129.45	2.42	75.61	1018.31	1030.05	67.42
Yinchuan	17703	5.32	0.65	0.85	0.09	41.18	4.50	11.80	0.10	0.50	2.24	175.54	38.32
Urumqi	24195	3.26	0.69	0.45	0.05	59.74	18.85	22.48	12.39	40.20	160.00	400.00	77.51