A reciprocating air compressor serves an air operated sinking pump operating at 760 kPag and 6.20 m3/min free air capacity at an altitude of 1000 m. Sea level conditions are at 101.3 kPaa and 30 deg C. Pressure correction factor = 1 cm Hg at 1000 ft; Temperature correction factor = 3.6 deg C at 1000 ft. Determine the barometric pressure in kPaa at the given altitude.

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