Day (2005-2006)	Toluene Concentration (ug/m3)	o-Xylene Concentration (ug/m3)	m,p-Xylene Concentration (ug/m3)	Ethylbenzene Concentration (ug/m3)	Benzene Concentration (ug/m3)
3/17/2005	2.873	0.368	0.622	0.666	1.018
3/23/2005	2.703	1.496	2.351	1.864	3.291
3/29/2005	2.253	0.298	0.529	0.642	0.913
4/4/2005	3.355	0.651	1.179	1.042	1.126
4/10/2005	1.861	0.263	0.366	0.52	0.927
4/16/2005	2.491	0.531	0.812	0.814	1.277
4/22/2005	2.283	0.196	0.408	0.583	0.499
4/28/2005	1.832	0.378	0.77	0.817	0.575
5/4/2005	2.073	0.346	0.641	0.755	0.507
5/10/2005	4.404	0.698	1.197	1.126	1.205
5/16/2005	0.985	0.237	0.413	0.596	0.545
5/22/2005	1.625	0.249	0.444	0.645	0.44
5/28/2005	1.134	0.217	0.455	0.65	0.349
6/3/2005	2.346	0.454	0.793	0.818	0.476
6/9/2005	1.772	0.27	0.623	0.666	0.699
6/15/2005	2.003	0.328	0.794	0.772	0.65
6/21/2005	1.934	0.416	0.75	0.827	0.544
6/27/2005	1.727	0.275	0.611	0.656	0.449
7/3/2005	2.071	0.367	1.243	0.301	0.618
7/9/2005	3.185	0.136	0.469	0.116	0.405
7/15/2005	5.036	0.136	0.506	0.134	0.597
7/21/2005	8.051	0.539	1.738	0.506	1.709
7/27/2005	0.918	0.106	0.335	0.121	0.598
8/2/2005	4.574	0.328	0.944	0.302	1.256
8/8/2005	2.506	0.341	0.956	0.333	1.452
8/14/2005	1.559	0.31	0.782	0.262	0.411
8/20/2005	0.604	0.221	0.452	0.14	0.077
8/26/2005	1.877	0.293	0.742	0.345	0.755
9/1/2005	2.931	0.375	1.138	0.462	1.03
9/7/2005	3.746	0.679	2.056	0.717	1.038
9/13/2005	1.962	0.415	1.26	0.42	0.7
9/19/2005	1.181	0.25	0.742	0.225	0.622
9/25/2005	0.836	0.299	0.768	0.26	0.736
10/1/2005	4.319	0.696	2.138	0.717	1.724
10/7/2005	0.175	0.03	0.184	0.105	0.461
10/13/2005	0.669	0.094	0.315	0.17	0.903
10/19/2005	2.25	0.38	1.124	0.388	1.162
10/25/2005	0.242	0.077	0.34	0.149	0.634
10/31/2005	2.539	0.559	1.735	0.633	1.477
11/6/2005	1.406	0.36	1.139	0.479	1.237
11/12/2005	3.472	0.357	1.045	0.621	1.693
11/18/2005	5.798	0.647	1.347	0.619	1.775
11/24/2005	2.279	0.142	1.357	0.193	0.51
11/30/2005	1.611	0.316	2.338	0.527	0.386
12/6/2005	1.767	0.266	0.803	0.418	0.442
12/12/2005	2.538	0.036	0.963	0.195	1.068
12/18/2005	2.176	0.05	0.972	0.234	1.248
12/24/2005	4.498	0.499	2.607	0.601	2.777
12/30/2005	2.029	0.248	1.628	0.333	0.888
1/5/2006	1.909	0.188	0.543	0.221	0.8
1/11/2006	6.327	1.149	3.131	1.109	1.979
1/17/2006	1.543	0.21	0.567	0.189	0.593
1/23/2006	2.313	0.392	1.243	0.459	1.086
1/29/2006	2.608	0.487	1.323	0.493	1.249
2/4/2006	1.845	0.153	0.281	0.132	0.681
2/10/2006	2.439	0.405	1.292	0.417	1.156
2/16/2006	2.613	0.575	1.692	0.55	1.352
2/22/2006	2.131	0.451	1.387	0.485	1.487
2/28/2006	1.919	0.335	0.964	0.316	0.96
3/6/2006	2.439	0.423	1.665	0.372	0.532
3/12/2006	4.433	1.019	3.463	0.936	1.769
3/18/2006	0.597	0.492	0.867	0.475	0.704
3/24/2006	0.734	0.446	1.761	0.413	0.693
3/30/2006	2.686	0.884	3.071	0.835	1.523
4/5/2006	4.277	0.529	0.767	0.462	1.064
4/11/2006	1.404	0.168	0.695	0.139	0.218
4/17/2006	1.09	0.124	0.618	0.106	0.245
4/23/2006	1.557	0.181	0.8	0.161	0.451
4/29/2006	2.486	0.299	1.182	0.286	0.663
5/5/2006	1.599	0.178	0.676	0.160	0.682
5/11/2006	2.488	0.300	1.139	0.280	0.554
5/17/2006	2.723	0.465	1.702	0.290	0.567
5/23/2006	3.582	0.530	1.891	0.377	0.409
5/29/2006	2.969	0.484	1.474	0.267	0.381
6/4/2006	2.735	0.340	1.359	0.126	0.167
6/10/2006
6/16/2006	3.309	0.478	1.655	0.358	0.480
6/22/2006	2.200	0.362	1.432	0.282	0.540
6/28/2006
7/4/2006	2.133	0.351	1.296	0.209	0.357
7/10/2006	2.111	0.352	1.319	0.197	0.348
7/16/2006	2.434	0.469	1.742	0.351	0.216
7/22/2006	1.822	0.298	1.056	0.164	0.044
7/28/2006	3.561	0.788	2.434	0.572	0.657
8/3/2006	1.328	0.408	0.785	0.044	0.438
8/9/2006	1.739	0.446	0.945	0.185	0.555
8/15/2006	3.154	0.546	1.245	0.296	0.568
8/21/2006	2.583	0.551	1.318	0.305	0.652
8/27/2006	1.849	0.482	0.969	0.157	0.486
9/2/2006	0.697	0.322	0.493	-0.063	0.262
9/8/2006	1.532	0.447	0.884	ND	0.600
9/14/2006	1.800	0.492	1.057	0.098	0.489
9/19/2006	2.504	0.545	1.245	0.185	0.885
9/19/2006	3.316	0.677	2.060	0.451	0.917
9/26/2006	5.359	1.013	3.017	0.790	1.184
10/2/2006	4.241	1.189	3.507	1.056	1.432
10/8/2006	2.186	0.608	1.437	0.377	1.060
10/14/2006	2.187	0.513	1.346	0.299	0.959
10/26/2006	1.592	0.417	0.828	ND	0.610
11/1/2006	2.015	0.539	1.152	ND	0.750
11/7/2006	2.392	0.497	1.173	ND	0.799
11/13/2006	1.336	0.437	0.911	ND	0.585
11/21/2006	0.623	0.299	0.340	ND	0.506
12/1/2006	0.605	0.336	0.786	0.288	0.519
12/7/2006	0.511	0.396	0.680	0.280	0.713
12/13/2006	2.806	0.747	1.954	0.714	1.005
12/19/2006	1.418	0.508	1.120	0.437	0.531
12/25/2006	0.710	0.380	0.717	0.299	0.496
12/31/2006	0.955	0.409	0.898	0.434	0.551
1/6/2007	0.549	0.343	0.727	0.345	0.420
1/12/2007	2.383	0.698	1.621	0.682	1.402
1/18/2007	1.725	0.681	1.515	0.446	ND
1/24/2007	0.669	0.302	0.684	0.182	0.726
1/30/2007	1.190	0.490	1.056	0.415	0.882
2/5/2007	0.541	0.335	0.731	0.425	0.661
2/11/2007	0.659	0.368	0.687	0.236	0.757
2/17/2007	0.454	0.266	0.524	0.249	0.529
2/23/2007	0.264	0.310	0.868	0.822	0.248
3/1/2007	3.910	0.966	2.831	1.550	1.220
3/7/2007	1.204	0.398	0.912	0.287	1.039
3/13/2007	3.646	0.885	2.290	0.673	1.318