COLLECTING SURFACE FOR ALL INSTRUMENTS J ft-8in. 20 ft O for ship stations 45 ft O for borge an a How land stations SPACE RESERVED FOR OTHER INSTRUMENTS ALWAYS OPEN TOTAL COLLECTOR (AOC,) OPEN CLOSE TOTAL COLLECTOR (OCC) CONTROL UNIT INCREMENTAL COLLECTOR (1C) HIGH VOLUME FILTER UNIT (HVF)} Center line weeny of ship SPACE RESERVED FOR OTHER INSTRUMENTS SPACE RESERVED FOR OTHER INSTRUMENTS Figure 2.2 Plan and elevation of major sampling array. 34 TIME INTENSITY RECORDER DETECTOR HEAD