23. Atmospheric CO2 Level at Harbour Front Sick Building Syndrome due to poor ventilation and increase of heart rate 病態樓宇綜合症的原因是因為空氣流動的微弱,因此造成心跳加速。 2030 500 Good IAQ Excellent IAQ Yawning Threshold Dozing Threshold Perspiring, headache, restlessness and increase of heart rate Long Term Effects > 1% increase per year > 1.2% increase per year Disintegration of polar ice Building Ordinance Section 123 requirement 2000 2008 360 392 300 1960 800 1000 1500 2000 2500