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111E <br />.%6' <br />ML go <br />February 19, 1993 RVACIVED <br />Donna Heran or Doug Wilson <br />FEB 5 1993 <br />San Joaquin Co. Enviro. Health Division ENVIRONMENTAL HEALTH <br />1601 E. Hazelton PERMITISERVICES <br />Stockton, CA 95202 <br />RE: AGENCY LEITER FOR SIR: <br />Dear Donna Heran or Doug Wilson: <br />This letter is intended to inform you that Unocal Corporation has adopted Statistical Inventory <br />Reconciliation (SIR) for their sites with single wall product tanks and double wall tanks which are not <br />electronically monitored and with groundwater less than thirty feet below the bottom of the tank. <br />Enclosed please find a list of Unocal locations which are adopting Statistical Inventory Reconciliation for <br />their product tanks and a copy of the forms that the station operator will complete. Unocal has contracted <br />with Warren Rogers Associates, Inc. 747 Aquidneck Ave., Middletown, Rhode Island 02840 to perform <br />this analysis. You can reach them at 1-800-972-7472, Peggy O'Keefe. <br />Unocal understands that this letter is sufficient notice for the adoption of this monitoring alternative. If <br />this letter is not sufficient, please contact Ms. Marion Miller, Robert H. Lee & Associates, Inc. at 707- <br />765-1660, 1137 North McDowell Blvd., Petaluma, CA 94954. <br />Please sign the Acknowledgement of receipt below and return it to Ms. Miller at the above address. <br />If you have any questions, please do not hesitate to contact me at 213-977-7831. <br />Robert A. Matson <br />Environmental Compliance Coordinator <br />AN <br />Signature: <br />Date: Zit° �3 <br />cc: F.X. Blum, Unocal, City of Industry <br />D.M. Sobieski, Unocal, 911 Wilshire <br />J.M. Tyson, Unocal, 911 Wilshire <br />Peggy O'Keefe, Warren Rogers Associates <br />Marion K. Miller, Robert H. Lee & Associates,Inc. <br />file F:\HAZMAT\UNOCAL\1096\AOENCY.S[R <br />Unocal Petroleum Proglo & Chemicals Division <br />Unocal Corporation <br />911 Wilshire Blvd., P.O. B. 300 <br />Los Angeles, California 90017 <br />Facsimile (213) 977-5389 <br />.%6' <br />ML go <br />February 19, 1993 RVACIVED <br />Donna Heran or Doug Wilson <br />FEB 5 1993 <br />San Joaquin Co. Enviro. Health Division ENVIRONMENTAL HEALTH <br />1601 E. Hazelton PERMITISERVICES <br />Stockton, CA 95202 <br />RE: AGENCY LEITER FOR SIR: <br />Dear Donna Heran or Doug Wilson: <br />This letter is intended to inform you that Unocal Corporation has adopted Statistical Inventory <br />Reconciliation (SIR) for their sites with single wall product tanks and double wall tanks which are not <br />electronically monitored and with groundwater less than thirty feet below the bottom of the tank. <br />Enclosed please find a list of Unocal locations which are adopting Statistical Inventory Reconciliation for <br />their product tanks and a copy of the forms that the station operator will complete. Unocal has contracted <br />with Warren Rogers Associates, Inc. 747 Aquidneck Ave., Middletown, Rhode Island 02840 to perform <br />this analysis. You can reach them at 1-800-972-7472, Peggy O'Keefe. <br />Unocal understands that this letter is sufficient notice for the adoption of this monitoring alternative. If <br />this letter is not sufficient, please contact Ms. Marion Miller, Robert H. Lee & Associates, Inc. at 707- <br />765-1660, 1137 North McDowell Blvd., Petaluma, CA 94954. <br />Please sign the Acknowledgement of receipt below and return it to Ms. Miller at the above address. <br />If you have any questions, please do not hesitate to contact me at 213-977-7831. <br />Robert A. Matson <br />Environmental Compliance Coordinator <br />AN <br />Signature: <br />Date: Zit° �3 <br />cc: F.X. Blum, Unocal, City of Industry <br />D.M. Sobieski, Unocal, 911 Wilshire <br />J.M. Tyson, Unocal, 911 Wilshire <br />Peggy O'Keefe, Warren Rogers Associates <br />Marion K. Miller, Robert H. Lee & Associates,Inc. <br />file F:\HAZMAT\UNOCAL\1096\AOENCY.S[R <br />