October 22, 2008

ERG-21

UST/CORRECTIVE ACTION

List of Documents

Documents 165 - 265 and the October 19, 2005, List of Documents should have previously been removed from your workbooks and placed in your Closed Project File.

October 22, 2008

335. Project Update Memorandum, dated October 22, 2008.

336. Memorandum to Members of the Site Remediation Advisory Committee from IERG Staff regarding Proposed Amendments to Tiered Approach to Corrective Action Objectives Rulemaking, dated October 1, 2008.

July 16, 2008

334. Project Update Memorandum, dated July 16, 2008.

April 30, 2008

333. Project Update Memorandum, dated April 30, 2008.

January 16, 2008, Quarterly Meeting

332. Project Update Memorandum, dated January 16, 2008.

October 17, 2007 Quarterly Meeting

229. Project Update Memorandum, dated October 17, 2007.

330. Memorandum to Members of the Site Remediation Advisory Committee from IERG Staff regarding RESPONSE REQUESTED - SRAC Comment Document and TIME CHANGE Notice for the SRAC and IEPA Meeting, August 27, 2007, dated August 20, 2007.

331. Memorandum to Members of the Site Remediation Advisory Committee from IERG Staff regarding Indoor Inhalation Comments, dated August 23, 2007.

July 18, 2007 Quarterly Meeting

325. Project Update Memorandum, dated July 18, 2007.

326. Memorandum to Members of ERG-21 from IERG Staff regarding Procedures for Closing Monitoring Wells, dated May 3, 2007.

327. Memorandum to Members of ERG-21 from IERG Staff regarding New Exposure Route for TACO - The Indoor Inhalation Pathway, dated June 18, 2007.

328. Memorandum to Members of ERG-21 from IERG Staff regarding Illinois EPA Comments on Definition of “Solid Waste”, dated July 9, 2007.

May 2, 2007. Quarterly Meeting

320. Project Update Memorandum, dated May 2, 2007.

321. Memorandum to Members of IERG from IERG Staff regarding Update on Illinois Tier 2 Problems, dated March 1, 2007.

322. Memorandum to Members of IERG from IERG Staff regarding TIER 2 Reporting – Additional Information, dated March 5, 2007.

323. Memorandum to Members of IERG from IERG Staff regarding Summary of Final TACO Amendments, dated March 16, 2007.

324. Memorandum to Members of ERG-21 and Members of IERG from IERG Staff regarding Revisions to Definition of Solid Waste, dated April 17, 2007.

January 17, 2007, Quarterly Meeting

318. Project Update Memorandum, dated January 17, 2007.

319. Memorandum to Members of ERG-21 Work Group from IERG Staff regarding Board Adopts Its CCDD Regulations (R06-19), dated October 16, 2006.

October 18, 2006, Quarterly Meeting

313. Project Update Memorandum, dated October 18, 2006.

314. Memorandum to Members of ERG-21 and Members of ERG-36 from IERG Staff Uniform Hazardous Waste Manifests, dated July 25, 2006.

315. Memorandum to Members of IERG and Members of ERG-21 from IERG Staff regarding Uniform Hazardous Waste Manifest Conference August 22, 2006,
dated August 15, 2006.

316. Memorandum to Members of IERG from IERG Staff regarding Hazardous Waste Manifest Tutorial, dated August 31, 2006.

317. Memorandum to Members of ERG-21 Work Group from IERG Staff regarding USEPA Final Rule – Hazardous Waste Management System; Modification of the
Hazardous Waste Program; Cathode Ray Tubes, dated September 21, 2006.

July 19, 2006, Quarterly Meeting

311. Project Update Memorandum, dated July 19, 2006.

312. Memorandum to Members of ERG-21 and Members of ERG-36 from IERG Staff regarding R06-23 Comments of IERG, dated July 5, 2006.

May 3, 2006, Quarterly Meeting

303. Project Update Memorandum, dated May 3, 2006.

304. Memorandum to Members of ERG-21 Work Group and Members of ERG-36 Work Group from IERG Staff regarding Filing of Well Survey/Community Relations Proposal,
dated January 20, 2006.

305. Memorandum to Members of ERG-21 from IERG Staff regarding Summary of January 31, 2006, TACO Hearing, dated February 17, 2006.

306. Memorandum to Members of ERG-21 and Members of IERG from IERG Staff regarding TACO Summary, dated March 9, 2006.

307. Memorandum to Members of ERG-21 and Members of IERG from IERG Staff regarding Summary of the 3/1/06 CCDD Hearing, dated March 15, 2006.

308. Memorandum to Members of ERG-21 and Members of IERG from IERG Staff regarding Illinois EPA’s proposed new Part 1505: Stan dards and Requirements of Potable Water Well Surveys and for Community Relations Activities, dated March 17, 2006.

309. Illinois Environmental Regulatory Group’s Comments regarding Proposed Amendments to Tiered Approach to Corrective Action Objectives (35 Ill. Adm. Code 742),
dated April 17, 2006.

310. Memorandum to Members of ERG-21 and Members of IERG from IERG Staff regarding Summary of March 28, 2006 Hearing for Potable Water Survey Requirements and Community Right-to-Know proposed regulations, dated April 24, 2006.

January 18, 2006, Quarterly Meeting

294. Project Update Memorandum, dated January 18, 2006.

295. Memorandum to Members of ERG-21 Work Group from IERG Staff regarding RTK, dated October 14, 2005.

296. Memorandum to Members of ERG-21 Work Group from IERG Staff regarding Groundwater Advisory (“GAC”) Notification Process Committee Meeting October 2005,
dated October 25, 2005.

297. Memorandum to Members of ERG-36 Work Group and Members of the ERG-21 Work Group from IERG Staff regarding Community Right-To-Know Comments Due November 7, 2005, dated October 31, 2005.

298. Memorandum to Members of ERG-21 Work Group from IERG Staff regarding Community Right to Know Costs, dated November 10, 2005.

299. Memorandum to Members of ERG-21 Work Group from IERG Staff regarding Industry Recommendations Section 862, dated November 11, 2005.

300. Memorandum to Members of ERG-21 Work Group from IERG Staff regarding Meeting with Illinois EPA Regarding Proposed 742 Amendments, dated December 23, 2005.

301. Memorandum to Members of ERG-21 Work Group from IERG Staff regarding Summary of January 4, 2006 Meeting with Bureau of Land Representatives To Discuss
RALUC Proposal, dated January 13, 2006.

302. Memorandum to Members of ERG-36 Work Group and Members of the ERG-21 Work Group from IERG Staff regarding Summary of January 4, 2006 Public Meeting with Illinois EPA Regarding Community Right to Know, January 13, 2006.

October 19, 2005, Quarterly Meeting

292. Project Update Memorandum, dated October 19, 2005.

293. Memorandum to Members of ERG-21 Work Group from IERG Staff regarding September 27 Meeting with Land, dated October 7, 2005.

July 20, 2005, Quarterly Meeting

286. Project Update Memorandum, dated July 20, 2005.

287. Memorandum to Members of ERG-21 Work Group from IERG Staff regarding Summary of the April 6, 2005, TACO Meeting with the Illinois EPA, dated April 26, 2005.

288. Memorandum to Members of the Community Right-to-Know Work Group from IERG Staff regarding Community Right-to-Know, dated May 3, 2005.

289. Memorandum to Members of the Illinois Environmental Regulatory Group (IERG) from IERG Staff regarding Additional Hearing Scheduled in the LUST Rulemaking,
dated May 17, 2005.

290. Memorandum to Members of ERG-21 Work Group from IERG Staff regarding Legislative Update Re: Community Right-to-Know and Administrative Orders,
dated May 20, 2005.

291. Memorandum to Members of ERG-21 Work Group from IERG Staff regarding Legislative Update Re: Coal Combustion By-Product, dated May 20, 2005.

April 20, 2005, Quarterly Meeting

279. Project Update Memorandum, dated April 20, 2005.

280. Memorandum to Members of Illinois Environmental Regulatory Group from IERG Staff regarding Community Right-to-Know Update, dated February 4, 2005.

281. Memorandum to Members of ERG-21 Work Group from IERG Staff regarding Summary of the January 20, 2005 SRAC/IERG Meeting with the Illinois EPA,
dated February 7, 2005.

282. Memorandum to Members IERG and of the ERG-21 Work Group from IERG Staff regarding Legislative Update Concerning Community Right-to-Know, dated March 1, 2005.

283. Memorandum to Members of ERG-21 Work Group from IERG Staff regarding Summary of February 17, 2005 Proposed LUST Rule and First-Notice Opinion and Order (R04-22/23), dated March 10, 2005.

284. Memorandum to Members of Illinois Environmental Regulatory Group and Community Right-to-Know Work Group regarding Draft Community Right-to-Know/Administrative Order Language, dated March 18, 2005.

285. Memorandum to Members of Illinois Environmental Regulatory Group and Community Right-to-Know Work Group regarding Draft Community Right-to-Know,
dated April 4, 2005.

January 19, 2005, Quarterly Meeting

276. Project Update Memorandum, dated January 19, 2005.

277. Memorandum to Members of ERG-21 Work Group from IERG Staff regarding Mercury Rulemaking, dated November 18, 2004.

278. Memorandum to Members of ERG-21 Work Group from IERG Staff regarding Update on Illinois EPA’s Proposed Mercury Amendments, dated December 8, 2004.

October 20, 2004, Quarterly Meeting

275. Project Update Memorandum, dated October 20, 2004.

July 21, 2004, Quarterly Meeting

271. Project Update Memorandum, dated July 21, 2004.

272. Memorandum to Members of ERG-21 Work Group from IERG Staff regarding LUST Amendments Update, dated April 19, 2004.

273. Memorandum to Members of ERG-21 and SRAC from IERG Staff regarding Illinois Manufactured Gas Plant Forum, dated June 14, 2004.

274. Illinois Environmental Regulatory Group’s Response to the Illinois EPA’s Motion for the Adoption of Emergency Rules, Rulemakings R04-22 and R04-23, dated April 30, 2004.

April 21, 2004, Quarterly Meeting

266. Project Update Memorandum, dated April 21, 2004.

267. Memorandum to Members of ERG-21 Work Group from IERG Staff regarding Summary of the January 21, 2004, meeting with the Bureau of Land, dated January 29, 2004.

268. Memorandum to Members of ERG-21 Work Group from IERG Staff regarding State Fire Marshal Legislative Developments, dated February 11, 2004.

269. Memorandum to Members of ERG-21 Work Group from IERG Staff regarding LUST Hearing Summary – Chicago, dated March 25, 2004.

270. Memorandum to Members of ERG-21 Work Group from IERG Staff regarding Summary of the February 17, 2004 Meeting with the Illinois EPA- Amendments to the LUST Regulations to Part 732 and the Newly Proposed Part 734, dated March 31, 2004.

January 21, 2004, Quarterly Meeting

264. Project Update Memorandum, dated January 21,2004.

265. Memorandum to Members of ERG-21 Work Group from IERG Staff regarding Groundwater Remediation Injection Wells UIC Class V Permits, dated October 27, 2003.

October 15, 2003, Quarterly Meeting

262. Project Update Memorandum, dated October 15, 2003.

263. Memorandum to Members of ERG-21 Work Group from IERG Staff regarding Update on Amendments to the LUST Program, dated September 30, 2003.

April 30, 2003, Quarterly Meeting

258. Project Update Memorandum, dated April 30, 2003.

259. Memorandum to Members of ERG-21 Work Group from IERG Staff regarding Several Issues Related to ERG-21, dated March 19, 2003.

260. Memorandum to Members of ERG-21 Work Group from IERG Staff regarding Non-Aqueous Phase Liquids (NAPL) Meeting, dated April 9, 2003.

January 15, 2003 Quarterly Meeting

254. Project Update Memorandum, dated January 15, 2003.

255. Memorandum to Members of ERG-21 Work Group from IERG Staff regarding Office of the State Fire Marshal’s proposal to Part 180 regulations, dated November 19, 2002.

256. Letter to Kathy Hodge and Harry Walton from Renee Cipriano, Director IEPA, regarding clarification of the Illinois EPA’s position on Risk-Based Clean-Up of PCBs in the Compliance/Enforcement Process, dated November 19, 2002.

257. Memorandum to Members of ERG-21 and Members of SRAC from IERG Staff and Harry Walton regarding summary of the November 19, 2002, SRAC/IERG meeting,
dated December 12, 2002.

October 16, 2002, Quarterly Meeting

252. Project Update Memorandum, dated October 16, 2002.

253. Memorandum to Members of ERG-21 and Members of SRAC from IERG Staff regarding summary of August 27, 2002, SRAC meeting, dated September 19, 2002.

July 17, 2002, Quarterly Meeting

249. Project Update Memorandum, dated July 17, 2002.

250. Memorandum to Members of ERG-21 from IERG Staff and Cassandra L. Karimi, Hodge Dwyer Zeman, regarding Office of the State Fire Marshal Part 170 Rewrite Second Stakeholder Meeting, dated April 25, 2002.

251. Memorandum to Members of ERG-21 and Members of SRAC from IERG Staff regarding Illinois EPA’s Division of Remedial Management (DRM) Annual Retreat,
dated June 25, 2002.

May 1, 2002, Quarterly Meeting

245. Project Update Memorandum, dated May 1, 2002.

246. Motion to File Instanter and Comments on behalf of IERG in Docket R01-26 (35 Ill. Adm. Code 732)(LUST), dated January 24, 2002.

247. Comments in Docket (consolidated) R02-1, R02-12 and R02-17 (RCRA Subtitle Update, USEPA Amendments), dated March 27, 2002.

248. Memorandum to Members of ERG-21 from IERG Staff and Cassandra L. Karimi, Hodge Dwyer Zeman, regarding OSFM Part 170 Re-write, dated April 12, 2002.

January 16, 2002, Quarterly Meeting

241. Project Update Memorandum, dated January 16, 2002.

242. Letter to Deirdre K. Hirner, from Joyce Munie, IEPA, regarding response to September 26, 2001, letter regarding management of MGP waste, dated November 30, 2001.

243. Memorandum to Members of ERG-21 from IERG Staff regarding 35 Ill. Admin. Code Part 740 (Site Remediation Program Revisions) and 35 Ill. Admin. Code Part 732 (LUST Revisions) (First Notice Opinions and Orders), dated December 19, 2001.

244. Letter to Bernie Killian, IEPA, from Deirdre K. Hirner, regarding Proposed Amendments to 35 Ill. Admin. Code Part 732 (LUST), dated December 20, 2001.

October 17, 2001, Quarterly Meeting

235. Project Update Memorandum, dated October 17, 2001.

236. Letter to Deirdre K. Hirner from Bill Child, IEPA, regarding response to April 3, 2001, letter on MGP Waste, dated July 17, 2001.

237. Letter to IL Power from Joyce L. Munie, IEPA, regarding response to June 19, 2001, letter regarding MGP remediation waste, dated July 23, 2001.

238. Letter to Bill Child, IEPA, from Deirdre K. Hirner, regarding MGP remediation waste, dated August 20, 2001.

239. Letter to Joyce Munie, IEPA, from Deirdre K. Hirner, regarding MGP clarification, dated September 26, 2001.

240. Letter to Deirdre K. Hirner, from Bill Child, IEPA, regarding response to August 20, 2001, MGP letter, dated September 25, 2001.

July 18, 2001, Quarterly Meeting

230. Project Update Memorandum, dated July 18, 2001.

231. Memorandum to Members from IERG Staff regarding Illinois EPA's proposed laboratory accreditation requirement, dated May 4, 2001.

232. Letter to Larry Eastep, IEPA, from Deirdre K. Hirner regarding Manufactured Gas Plant Remediation Waste, dated May 15, 2001.

233. Motion to File Instanter and Post-Hearing Comments on behalf of IERG in Dockets R01-27 and R01-29 (35 Ill. Adm. Code 740), dated May 24, 2001.

234. Letter to Claire Manning, Illinois Pollution Control Board, from Deirdre K. Hirner containing IERG's comments on MGP Waste to be considered as part of the next RCRA,
Subtitle C, identical in substance rulemaking, dated June 14, 2001.

April 18, 2001, Quarterly Meeting

223. Project Update Memorandum, dated April 18, 2001.

224. Memorandum to Members of the ERG-21 Work Group from IERG Staff regarding February 12, 2001, manufactured gas plant wastes workgroup meeting, dated March 6, 2001.

225. Memorandum to Members of the ERG-21 Work Group from IERG Staff regarding workgroup meeting, February 15, 2001, RE: TACO/SRP/UST revisions, dated March 6, 2001.

226. Pre-Filed Testimony of Harry R. Walton on behalf of the Site Remediation Advisory Committee and the Illinois Environmental Regulatory Group in Docket R01-27 and
R01-29 (35 Ill. Adm. Code 740 and Subpart H), dated March 26, 2001.

227. Pre-Filed Testimony of David Piotrowski on behalf of the Illinois Petroleum Council in Docket R01-26 (35 Ill. Adm. Code 732), dated March 29, 2001.

228. Letter to Gary King and Mike Nechvatal, IEPA, from Deirdre K. Hirner regarding Eliminating the Toxicity Characteristic Leaching Procedure for Evaluation of Manufactured Gas Plant Wastes, dated April 9, 2001.

229. Amendment to House Bill 3373 amending the Environmental Protection Act to include provisions that specify procedures for the IEMA and IEPA to follow when addressing accidental or unintended releases.

January 17, 2001, Quarterly Meeting

220. Project Update Memorandum, dated January 17, 2001.

221. Adopted Rule, Final Order in Docket R00-19(A) (ELUC), dated December 21, 2000.

222. Memorandum to Members of the ERG-21 Work Group from IERG Staff regarding generators of manufactured gas plant wastes, dated January 5, 2001.

October 11, 2000, Quarterly Meeting

217. Project Update Memorandum, dated October 11, 2000.

218. Letter to Thomas V. Skinner, Director, IEPA, from Site Remediation Advisory Committee regarding Site Remediation Program, dated August 23, 2000.

219. IERG's questions presented to IEPA at the TACO hearing on September 11, 2000, (Introduction and hearing transcript).

July 19, 2000, Quarterly Meeting

215. Project Update Memorandum, dated July 19, 2000.

216. Memorandum to Members of the ERG-21 Work Group from IERG Staff regarding Illinois EPA's proposed amendments to 35 Ill. Adm. Code Part 809, dated April 24, 2000.

April 12, 2000, Quarterly Meeting

213. Project Update Memorandum, dated April 12, 2000.

214. House Bill 3457 amending the Environmental Protection Act to Include provisions for Environmental Land Use Control (ELUC) and Clean Construction and Demolition Debris Usage, dated April 7, 2000.

January 13, 2000, Quarterly Meeting

207. Project Update Memorandum, dated January 13, 2000.

208. Letter to Thomas Skinner, Director, IEPA regarding Office of Chemical Safety concerns at November 4, 1999, meeting with attached draft Release Reporting Position Paper,
dated October 27, 1999.

209. Memorandum to Selected Association Executives from DK Hirner regarding Summary of November 4, 1999, meeting with Director Skinner, dated November 15, 1999.

210. Letter to Thomas Skinner, Director, IEPA regarding Office of Chemical Safety concerns, dated November 15, 1999.

211. Letter to William Child, Bureau Chief, Bureau of Land, IEPA regarding off-site contamination under TACO program, dated November 17, 1999.

212. Tiered Approach to Corrective Action Objectives Fact Sheet 12: Off-site Contamination.

Documents 121 - 164 and the January 14, 1999 List of Documents should have previously been removed from your work books and placed in your Closed Project File.

Document numbers 165 through 206 are not available electronically they are located in volume I of your IERG green workbook.