1. Appendix B.1 Phase 2 HGB Mid Course Review Time Series Plots Prepared by the Technical Support Section Technical Analysis Division TCEQ April, 2004

2. Houston-Galveston Time Series Plots Organized by Monitoring Site

3. Bayland Park Time Series

11. Beaumont Time Series

19. Clinton Drive Time Series

27. Clute Time Series

35. Conroe Time Series

43. Deer Park Time Series

51. Galveston Time Series

59. HRM Site 3 Time Series

67. HRM Site 4 Time Series

75. HRM Site 7 Time Series

83. HRM Site 8 Time Series

91. HRM Site 10 Time Series

99. HRM Site 11 Time Series

107. Aldine Time Series

115. Crawford Time Series

123. Croquet Time Series

131. Lang Time Series

139. Northwest Harris County Time Series

147. Houston East Time Series

155. Houston Regional Office Time Series

163. Swiss & Monroe Time Series

171. North Wayside Time Series

179. Hamshire Time Series

187. La Porte Supersite Time Series

196. Port Arthur West Time Series

204. Sabine Pass Time Series

212. Mauriceville Time Series

220. Jefferson County Airport Time Series

228. Shell Westhollow Time Series

236. La Marque Time Series

244. Williams Tower Supersite Time Series

254. West Orange Time Series