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	2.635	0.426	0.659	0.672	1.124
3/23/2005	0.194	0.002	0.051	1.012	0.136
3/29/2005	1.875	0.283	0.425	0.611	0.706
4/4/2005	1.836	0.374	0.553	0.74	0.817
4/10/2005	1.964	0.265	0.435	0.52	1.003
4/16/2005	3.16	0.652	0.936	0.875	1.379
4/22/2005	1.41	0.193	0.446	0.606	0.55
4/28/2005	1.58	0.306	0.555	0.66	0.641
5/4/2005	3.072	0.361	0.706	0.804	0.624
5/10/2005	3.915	0.56	1.053	1.103	1.093
5/16/2005	1.851	0.23	0.535	0.715	0.626
5/22/2005	1.424	0.213	0.498	0.662	0.52
5/28/2005	1.71	0.302	0.615	0.777	0.409
6/3/2005	1.873	2.545	3.721	5.711	2.66
6/9/2005	2.51	0.343	0.678	0.74	0.803
6/15/2005	1.872	0.22	0.58	0.632	0.491
6/21/2005	2.06	0.271	0.647	0.69	0.575
6/27/2005
7/3/2005	4.116	0.442	1.385	0.36	0.594
7/9/2005
7/15/2005
7/21/2005
7/27/2005		0.256	0.395	0.12	0.769
8/2/2005
8/8/2005	1.632	0.251	0.744	0.276	0.884
8/14/2005	1.69	0.223	0.583	0.187	0.458
8/20/2005	2.164	0.459	1.193	0.401	0.606
8/26/2005	1.348	0.283	0.796	0.265	0.197
9/1/2005	2.103	0.31	1.035	0.365	0.5
9/7/2005	2.759	0.609	1.453	0.525	0.861
9/13/2005	2.616	0.653	1.786	0.595	1.185
9/19/2005	3.101	0.713	1.892	0.595	0.958
9/25/2005	0.86	0.22	0.572	0.19	0.326
10/1/2005	4.789	0.985	2.827	0.98	1.949
10/7/2005	0.48	0.188	0.474	0.243	0.662
10/13/2005	0.323	0.074	0.322	0.116	0.257
10/19/2005	3.022	0.646	1.746	0.665	1.907
10/25/2005		0.058	0.184	0.069	0.365
10/31/2005	3.013	0.883	2.486	0.837	1.644
11/6/2005	2.33	0.553	1.668	0.545	1.606
11/12/2005	4.084	0.48	0.703	0.401	1.859
11/18/2005	5.342	0.806	1.399	0.946	2.329
11/24/2005	3.203		1.401	0.349	2.828
11/30/2005	2.396		0.77	0.176	1.493
12/6/2005	2.126	0.048	0.96	0.204	1.161
12/12/2005	4.579		0.863	0.161	1.265
12/18/2005	2.377	0.02	0.81	0.251	1.492
12/24/2005	3.917	0.434	2.268	0.393	2.353
12/30/2005	1.702	0.147	1.411	0.148	0.739
1/5/2006	2.124	0.595	1.885	0.591	1.314
1/11/2006	5.748	0.902	2.626	0.865	1.696
1/17/2006	1.535	0.158	0.442	0.192	0.633
1/23/2006	11.524	2.109	6.348	2.12	5.445
1/29/2006	4.743	0.594	1.52	0.558	1.254
2/4/2006	2.175	0.05		0.234	1.247
2/10/2006	2.734	0.351	1.047	0.363	1.15
2/16/2006	1.798	0.411	1.175	0.542	1.062
2/22/2006	1.369	0.237	0.632	0.231	0.774
2/28/2006	1.507	0.128	0.312	0.134	0.404
3/6/2006	1.603	0.509	2.095	0.518	0.879
3/12/2006	5.318	1.117	3.694	1.066	1.897
3/18/2006	0.476	0.453	0.763	0.385	0.67
3/24/2006	0.794	0.422	1.71	0.385	0.619
3/30/2006	3.907	1.367	4.189	1.151	2.509
4/5/2006	2.535	0.29	1.072	0.255	0.826
4/11/2006	2.235	0.356	1.205	0.271	0.752
4/17/2006	1.006	0.138	0.548	0.079	0.222
4/23/2006	2.794	0.455	1.577	0.422	1.23
4/29/2006	1.652	0.191	0.819	0.197	0.470
5/5/2006	1.661	0.198	0.836	0.188	0.462
5/11/2006	2.900	0.438	1.547	0.411	0.746
5/17/2006	2.825	0.527	1.676	0.282	0.506
5/23/2006	2.687	0.389	1.467	0.241	0.243
5/29/2006
6/4/2006	2.688	0.379	1.341	0.164	0.248
6/10/2006	0.792	0.124	0.642
6/16/2006	3.512	0.735	2.229	0.495	0.547
6/22/2006	3.865	0.618	2.132	0.457	0.649
6/28/2006	1.879	0.321	1.284	0.137	0.257
7/4/2006
7/10/2006
7/16/2006	2.767	0.496	1.778	0.347	0.406
7/22/2006	2.010	0.327	1.237	0.172	0.251
7/28/2006
8/3/2006	1.538	0.440	0.846	0.032	0.405
8/9/2006	1.487	0.485	0.861	0.124	0.427
8/15/2006	3.072	0.553	1.280	0.335	0.621
8/21/2006	4.142	1.120	2.773	0.770	0.817
8/27/2006	1.831	0.468	0.925	0.179	0.469
9/2/2006	1.164	0.419	0.738	0.069	0.394
9/8/2006	2.684	0.749	1.710	0.441	0.733
9/14/2006	1.495	0.459	0.910	0.028	0.633
9/19/2006	2.182	0.602	1.377	0.192	0.729
9/19/2006	3.283	0.702	1.902	0.388	0.880
9/26/2006	4.600	1.201	3.146	0.858	1.411
10/2/2006	16.700	5.209	4.126	3.990	2.186
10/8/2006	3.831	1.227	3.143	0.803	1.034
10/14/2006	2.365	0.684	1.511	0.123	1.040
10/26/2006	1.758	0.506	0.969	ND	0.734
11/1/2006	1.993	0.535	0.995	ND	0.837
11/7/2006	2.433	0.643	1.493	ND	1.001
11/13/2006	1.396	0.532	0.959	ND	0.926
11/21/2006	0.509	0.000	0.277	ND	0.528
12/1/2006	0.824	0.383	0.805	0.300	0.547
12/7/2006	0.697	0.318	0.686	0.254	0.601
12/13/2006	2.420	0.673	1.656	0.700	0.891
12/19/2006	1.440	0.585	1.249	0.458	0.763
12/25/2006	0.846	0.346	0.716	0.334	0.696
12/31/2006	0.998	0.410	0.844	0.438	0.552
1/6/2007	1.009	0.412	0.873	0.422	0.581
1/12/2007	2.489	0.756	1.733	0.777	1.446
1/18/2007	1.591	0.651	1.767	0.764	ND
1/24/2007	0.524	0.282	0.461	0.076	0.361
1/30/2007	1.400	0.628	1.205	0.345	0.867
2/5/2007	0.443	ND	0.426	0.108	0.718
2/11/2007	0.599	0.391	0.495	0.170	0.782
2/17/2007	0.430	0.287	0.408	0.118	0.547
2/23/2007	0.840	0.402	1.182	0.905	0.252
3/1/2007	4.062	1.267	2.782	1.505	1.306
3/7/2007	0.853	0.345	0.661	0.169	1.046
3/13/2007	3.741	0.876	2.254	0.645	1.465