80 INTEGRON These instruments were used little due to several factors. (1) It was difficult due to time restrictions to advertise and aqua personnel with their operation and usefulness. (2) Personnel generally dislike hauling around an extra piece of equipment, especially in hot areas where speed is necessary. The pocket dosi often provida enough information for the needs of the partye Upon arrival only four units were operablee The relatively heavy warnin system batteries are not adequately supported causing the whole chassis struc to bend. Chamber plug damage during shipping resulted. Moisture sensitivity noticeds it was however not of a really serious nature. Calibration was done every month with 20 ~ 25% corrections necessary. The future usefulness of the integron will depend upon creating a need fi such an instrument amongst project leaders etce Copy ej

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