Table 3. Range and Geometric Means of Major Analytes, Imperial County, 2009, compared to NHANESa.
| Analyte | Min | Max | GM | 95% C.I. | NHANES GM(95% CI) |
| Perchlorate (µg/L) | 1.08 | 32.2 | 6.44 | 4.83–8.58 | 3.35 (3.08–3.65) |
| Perchlorate | |||||
| (µg/g creatinine) | 1.24 | 37.4 | 6.98 | 5.10–9.57 | 3.46 (3.20–3.73) |
| Perchlorate dose | |||||
| (µg/kg/day) | 0.02 | 0.51 | 0.112 | 0.082–0.152 | 0.066 (0.060–0.071) |
| Thiocyanate | |||||
| (µg/g creatinine) | 178 | 2715 | 816 | 634–1051 | 1500 (1400–1620) |
| Nitrate | |||||
| (µg/g creatinine) | <700 | 152,110 | 21,770 | 11,595–40,876 | 44,500 (42,300–46,800) |
| Total iodine intake | |||||
| (µg/day) | 40.2 | 679 | 158 | 121–206 | N/A |
a
Representative data for adult U. S. residents from the National Health and Nutrition Examination Survey, 2001–2002 (Blount et al. 2006; Blount et al. 2007).