Document n90pwkJ0GZLzjM6dRkDweJoJm

CHEMICALS INTEROFFICE / LAKE CHARLES TO FROM Ron Williams Clyde Dennis^ ' DATE SUBJECT September 12, 1985 Stationary VC Monitoring Systems In regard to the stationary monitoring systems Items (2.C, Pg. 8), I talked with Glen LeJeune, Instrument Mechanic, and Walter Buller, Maintenance Supervisor, on September 12, 1985. They provided the. following information: 1. Field mounted sample points are pressure checked once a year. 2. A. specified level of VC is introduced from a N.B.S. standard bottle into each sample point once a year. This sample is allowed to flow from the sample point to the instrument to determine the instrument is reading properly. 3. Instruments are checked daily at the analyzer building. '' - 4. Documentation is available on the above activities. lrb cc: Jon Shepherd SL 048332