Formaldehyde Formaldehyde (+50% increase) Percentage Radon Radon(+50% increase) Percentage Zones 0.019 ± 0.02 mg/m3 0.03 ± 0.03 mg/m3 + 36% 16.52 ± 13.6 Bq/m3 19.34 ± 18 Bq/m3 17% 1st occupant 0.032 mg/m3 0.047 mg/m3 +36% 18.8 ± 17.7 Bq /m3 29.25 ± 27.15 Bq/m3 55.5% 2nd occupant 0.028 ± 0.02 mg/m3 0.041 ± 0.04 mg/m3 + 31.7% 19.3 ± 24.5 Bq /m3 30 ± 39.3 Bq/m3 55.40%

Table 4: Summary table for the second set of measurements for Radon and Formaldehyde.