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	3.21	0.499	0.787	0.915	1.629
3/23/2005	1.563	0.35	0.625	0.678	0.859
3/29/2005	2.198	0.375	0.58	0.729	0.975
4/4/2005	2.921	0.721	1.074	1.021	1.103
4/10/2005	1.772	0.34	0.472	0.631	1.042
4/16/2005	2.232	0.61	0.896	0.862	1.121
4/22/2005	1.932	0.266	0.619	0.763	0.539
4/28/2005	1.543	0.222	0.643	0.718	0.717
5/4/2005	3.656	0.377	0.835	0.921	0.722
5/10/2005	4.366	0.797	1.665	1.319	1.125
5/16/2005	1.803	0.363	0.825	0.823	0.66
5/22/2005	1.534	0.335	0.686	0.763	0.447
5/28/2005	1.368	0.218	0.446	0.629	0.599
6/3/2005	6.276	1.33	2.461	1.963	2.085
6/9/2005	2.455	0.393	0.868	0.865	0.748
6/15/2005	1.81	0.399	0.933	0.878	0.508
6/21/2005	2.503	0.543	0.975	0.97	0.944
6/27/2005	2.022	0.395	0.898	0.891	0.537
7/3/2005	10.985	0.57	1.865	0.541	1.015
7/9/2005	3.895	0.207	0.685	0.209	0.848
7/15/2005	8.361	0.391	1.334	0.434	0.963
7/21/2005	4.425	0.514	1.508	0.478	1.983
7/27/2005	2.451	0.28	0.735	0.231	1.144
8/2/2005
8/8/2005	2.539	0.59	1.664	0.604	1.884
8/14/2005	1.482	0.315	0.922	0.324	0.541
8/20/2005	2.715	0.562	1.417	0.592	1.046
8/26/2005	1.308	0.584	1.237	0.446	0.307
9/1/2005	1.644	0.506	1.466	0.515	0.8
9/7/2005	3.087	1.317	3.667	1.145	1.133
9/13/2005	2.808	1.244	3.81	1.2	0.966
9/19/2005	1.941	0.73	1.959	0.595	0.964
9/25/2005	1.273	0.676	2.325	0.849	0.801
10/1/2005	3.317	0.618	1.775	0.603	1.351
10/7/2005	0.693	0.337	0.963	0.38	0.588
10/13/2005	0.487	4.069	16.99	4.75	0.49
10/19/2005	2.113	1.327	4.96	1.422	1.224
10/25/2005	0.414	0.328	1.044	0.365	0.882
10/31/2005	4.078	1.694	5.073	1.539	3.393
11/6/2005	2.02	0.715	2.18	0.699	1.69
11/12/2005	3.677	0.667	0.91	0.507	1.899
11/18/2005	3.341	0.62	1.217	0.641	1.324
11/24/2005	3.264	0.382	1.875	0.465	1.601
11/30/2005
12/6/2005	3.252	0.04	0.82	0.195	1.711
12/12/2005	12.908	0.206	2.013	0.55	1.593
12/18/2005
12/24/2005	0.335		0.916		0.049
12/30/2005	1.565	0.19	1.513	0.22	0.785
1/5/2006	1.484	0.196	0.596	0.254	0.769
1/11/2006	6.484	1.469	4.426	1.418	2.247
1/17/2006
1/23/2006	2.615	0.625	2.241	0.677	1.066
1/29/2006	12.743	0.204	0.915	0.543	1.573
2/4/2006	1.353	0.277	0.875	0.297	0.998
2/10/2006	2.095	0.392	1.32	0.443	1.194
2/16/2006	1.919	0.505	1.416	0.461	1.032
2/22/2006	2.232	1.055	3.486	1.123	1.151
2/28/2006	1.338	0.287	0.856	0.267	0.706
3/6/2006	3.195	1.825	3.701	2.203	1.231
3/12/2006	5.255	1.988	7.812	2.282	1.927
3/18/2006	0.197	0.401	1.622	0.369	0.646
3/24/2006	1.124	0.535	2.04	0.498	0.765
3/30/2006	2.41	1.182	4.946	1.357	0.912
4/5/2006	1.728	0.441	1.613	0.424	0.597
4/11/2006	2.739	0.884	2.733	0.764	0.837
4/17/2006	1.191	0.195	0.771	0.156	0.459
4/23/2006	2.306	0.516	1.741	0.49	0.894
4/29/2006	1.535	0.238	0.960	0.224	0.506
5/5/2006	1.300	0.203	0.838	0.206	0.484
5/11/2006	2.286	0.370	1.374	0.379	0.819
5/17/2006	2.778	0.795	2.669	0.620	0.701
5/23/2006	2.302	0.408	1.445	0.240	0.391
5/29/2006	4.244	0.809	2.663	0.626	0.987
6/4/2006	1.939	0.298	1.138	0.123	0.093
6/10/2006	0.481	0.096	0.495
6/16/2006	2.602	0.594	1.939	0.418	0.473
6/22/2006	2.881	0.954	3.173	0.770	0.564
6/28/2006	2.355	0.795	2.705	0.643	0.238
7/4/2006	3.648	1.347	4.062	1.075	0.805
7/10/2006	3.650	1.349	4.060	1.054	0.766
7/16/2006	2.174	0.435	1.498	0.248	0.382
7/22/2006	1.928	0.362	1.257	0.175	0.390
7/28/2006	3.397	0.315	1.153	0.125	0.686
8/3/2006	1.296	0.446	0.920	0.198	0.606
8/9/2006	1.929	0.708	1.711	0.410	0.634
8/15/2006	2.393	0.614	1.323	0.371	0.700
8/21/2006	2.270	0.588	1.396	0.315	0.570
8/27/2006	1.972	0.619	1.414	0.319	0.674
9/2/2006	0.945	0.342	0.605	0.004	0.284
9/8/2006	1.653	0.477	0.992	0.199	0.585
9/14/2006	1.580	0.493	1.048	0.098	0.662
9/19/2006	1.928	0.587	1.285	0.177	0.677
9/19/2006	3.418	0.759	1.889	0.421	1.143
9/26/2006	4.960	1.701	5.063	1.472	1.631
10/2/2006	3.813	0.895	2.321	0.599	1.138
10/8/2006	1.939	0.616	1.461	0.272	1.086
10/14/2006	1.630	0.549	1.317	0.274	0.909
10/26/2006	1.440	0.526	0.874	ND	0.635
11/1/2006	2.138	0.584	1.216	ND	0.904
11/7/2006	1.607	0.457	0.921	ND	0.352
11/13/2006	1.183	0.419	0.708	ND	0.597
11/21/2006	0.622	0.308	0.337	ND	0.556
12/1/2006	1.042	0.401	0.927	0.342	0.748
12/7/2006	0.861	0.383	0.887	0.384	0.797
12/13/2006	2.671	0.788	1.919	0.723	1.038
12/19/2006	3.680	0.680	1.725	0.654	1.245
12/25/2006	1.532	0.605	1.271	0.635	0.788
12/31/2006	1.249	0.520	0.987	0.420	0.628
1/6/2007	1.027	0.401	0.866	0.412	0.607
1/12/2007	6.599	1.461	3.723	1.471	1.551
1/18/2007	2.313	0.637	1.454	0.383	0.673
1/24/2007	0.691	0.370	0.743	0.381	0.550
1/30/2007	0.724	0.309	0.590	0.150	0.438
2/5/2007	0.844	0.458	0.910	0.505	1.048
2/11/2007	1.160	0.472	0.919	0.235	1.000
2/17/2007	0.565	0.325	0.727	0.399	0.608
2/23/2007	0.271	0.299	0.828	0.799	0.453
3/1/2007	3.683	1.270	2.819	1.574	1.278
3/7/2007	1.140	0.366	0.707	0.176	1.181
3/13/2007	6.442	1.229	2.999	0.988	1.783