Document dD1YkQyjKJoM90zwgpaX4nDm5

Monsanto FROM (name-location-phone) R. L. Cheever - J. F. Queeny Plant (Ext. 1641) date: SUBJ: REF: to: April 24, 1991 RFI Fact Sheet Quarterly Update D. G. Bartolanzo - G4WF cc: R. F. Sackett Attached herewith please find the quarterly status update of the Queeny Plant's RCRA Facility Investigation (RFI). This update is prepared in accordance with the Community Relations Plan portion of the approved RFI workplan. Please review the current status section and return your comments to me. Thanks. sahHSWA.ltr Bob Cheever DSW 135929 STLCOPCB4035898 FACT SHEET BACKGROUND The John F. Queeny Plant located at 1700 South Second Street in St. Louis is Monsanto Company's first manufacturing site. Manufacturing operations began in 1901 with the production of saccharin, an artificial sweetener. Altogether, the Queeny Plant has manufactured over 200 different products in over 800 different forms of various product types including industrial chemicals, chemical intermediates, agricultural chemicals, pharmaceutical, and functional fluids. Today's major products manufactured at the Queeny Plant include: L-Aspartic acid which is the main intermediate for producing NutraSweetTM, the nation's fastest growing low-calorie sweetener; Para-nitrophenetole which is an intermediate used in the production of SantoquinTM, a preservative for fish and poultry feeds; trichlorocarbanilide a bacteria-fighting compound in many leading deodorant bar soaps; and a variety of functional fluids including SkydrolTM fire resistant hydraulic fluids used by the airline industry. REQUIREMENTS The United States Environmental Protection Agency (USEPA) issued a Hazardous and Solids Waste Amendments (HSWA) permit to Monsanto Company for the Queeny Plant on November 8, 1989. This permit requires Monsanto to undertake a RCRA Facility Investigation (RFI) to characterize the plant site to determine any potential environmental impacts resulting from its manufacturing activities. In general terms, the RFI is designed to: determine and assess soil quality; determine and assess groundwater quality and flow directions; geologically characterize bedrock; develop groundwater aquifer characteristics for rate and transport modeling; assess potential impacts on surface water bodies; develop risk assessment on human health and the environment; and obtain sufficient data to support evaluation of remedial alternatives in a corrective measures study, if applicable. , Specifically, the investigation involves: up to 23 soil borrings for soils characterization; sampling and analysis of groundwater for the assessment of upgradient and downgradient water quality; and testing of the groundwater aquifer to develop modeling data. The modeling phase of the investigation will use the data gathered to assess surface water body impacts and to develop a health and environmental risk assessment. DSW 135930 STLCOPCB4035899 The workplan covers a period of approximately 52 weeks with the initial field work scheduled to begin on or about January 30, 1991. INFORMATION CONTACTS Plant Manager Russell F. Sackett - (314) 622-1500 Environmental Protection Superintendent Robert L. Cheever - (314) 622-1641 CURRENT STATUS - APRIL 1, 1991 The field work began on January 31, 1991. Twenty-three (23) soil borings were completed and three (3) groundwater monitoring wells installed on top of bedrock. Additionally, the installation of five (5) proposed bedrock wells was started with the installation of the initial ten-inch (10") casings. Analytical data has been received on eighteen (18) of the soil borings and is currently being reviewed, internally. Work is underway toward completion of the bedrock wells and installation of the test well and observation well. sahrHSWAl DSW 135931 STLCOPCB4035900