Document o9q8QYaJ80evg8nR17gpGXMXE

STAN Of CAIIFORNIA-RESOURCES AGENCY SAN FRANCISCO SAY IEOION REGIONAL WATER QUALITY CONTROL BOARD M4 FOURTEENTH STREET OAIUNO *4412 RONALD REAGAN. Gawr March 7, 1969 In reply please refer to File No. 2119-1075 Monsanto Company 800 N. Lindbergh St. Louis, Missouri 63166 Attention Mr. Howard S. Burgen, Business Director Functional Fluids Organic Chemicals Division Subject: Polychlorinated biphenyls ("PCB's") Gent lemon: Confirming recent telephone discussions between your Mr. Burgen and Hobart C. Knapp of this office, we request the following Information about your poly chlorinated biphenyls: ""l* Data from fish bioassays which you are now performing; please include 96-hour TL^ and the data pages recording laboratory observations. " 2. Existing data on toxicity, Including long-term effects. s' 3. Maximum allowable concentrations In industrial work areas. 4. Solubility in water. 5. Industrial applications by specific Monsanto product Item number, and physical nature of these items; please Include: a. b. ' c. d. e. Dielectric fluids Plasticizers for paints, plastics, elastomers, etc., and the uses of products containing "FCB", e.g. tire stocks, floor tile. Please inform about the diffusion or other escape of "PCB" from such products, both in normal use and in the environment of refuse dumps. Hydraulic fluid for aircraft, industrial equipment, etc. Heat transfer applications. Other. , 6. ' '' ' Current volume of sales of MPCBM in the San Francisco Bny Area and in California for each of the above applications and extent to which this Is to replace spent "PCB". (We understand current inventory turnover at your Santa Clara warehouse is around 40,000 lbs per month, but we have been able to account for only two bbl. per year in purchases.) Please name Bay Area users of HPCB" for these applications. MQtos 09Q?qq Monsanto Company -2- March 7, 1969 7* Monsanto's advics to its customers for handling "PCS" In normal usa, and for Its disposal when discarded, e.g., of filtration residues from processing dielectric fluids, discarding the fluids when they must be replaced in dielectric, hydraulic, or heat transfer service, disposal methods for emptied containers, spills, etc.. In view of the recent allegations in the technical press about the serious dstrlmentsl effects of "PCS" on fish and wildlife, we are most anxious to receive this information soon. Your cooperation in this matter will be appreciated. Slnc.r.ly, HCK.FHD/mj FRED H. DIERKER Executive Officer MONS 090789