experiment by putting the shelter of the gauge station close to the water's edge and we will try to eliminate the water vapor by building a blast shield which will be triggered by the shock wave and will remove itself shortly thereafter. There will be something like 35 samples loaded in a concrete block, 4' wide x 5* tall. Some of these samples will require photocouple instrumentation which will have 18 channels of thermo couples, three channels of thermal flux measurement and one channel of overpressure. The recording shelter will be some 20' in back of the gauge location. The project will require four peeple in the FA from April 23 to D/10. Mr. Campbell has our preliminary construction requirements already and we will try to submit the final drawings next week. There were no questions.