Table 3.
Arithmetic Mean (SD)(range) or Geometric mean (GSD)(range).of concentrations in the family room of study homes.
| Exposures | Remediation In-Progress | n/N | Remediation Completed | n/Nb |
|---|---|---|---|---|
| Asbestos (Fibers/cc) | 0.02(0.01) (0.01–0.06) | 13/21 | 0.03(0.02) (0.01–0.08) | 27/47 |
| Lead (mg/m3) | <Quantitation Limit | 0/24 | <Quantitation Limit | 0/49 |
| Radon (pCi/L) a | 2.4(3.0) (<0.3–18.9) | 14/24 | 2.3(2.2) (<0.3–11.2) | 37/45 |
| CO (ppm) | 0.03(0.16) (0–0.80) | 1/24 | 0.14(0.42) (0–2.3) | 6/49 |
| CO2 (ppm) | 560(210) (300–1240) | 24/24 | 860(470) (380–2900) | 49/49 |
| Relative Humidity (RH%) | 42(8.8) (28–65) | 24/24 | 37(10) (20–67) | 49/49 |
| Temperature (°C) | 17(4.5) (8–25) | 24/24 | 20(2.7) (9–25) | 49/49 |
| Wall Moisture (%) | 15.1(2.3) (7–20) | 24/24 | 15.6(3.3) (14–22) | 47/49 |
GSD: Geometric Standard Deviation
a
Geometric mean (GSD)(range).
b
Number detected (n)/Total number analyzed (N)