Related by context. Frequent words. (Click for all words.) 54 sampling 48 sample 45 sampled 42 samplings 40 samples 38 Sampling 38 statistically valid 38 statistical analysis 35 random sampling 35 Sample 34 statistical anomalies 34 measurements 33 random sample 33 gravimetric 33 Samples 33 biopsy specimens 32 conducted 32 randomly selected 32 Soil samples 32 geochemical analyzes 32 subsample 32 surveys 32 sediment samples 32 randomly sampled 32 samplers 31 transects 30 analyzed 30 geochemical 30 spacings 30 analysis 30 histopathological 30 unscientific 30 colorimetric 30 urine specimen 30 compiled 30 tabulated 30 statistical 29 particle sizes 29 scats 29 study 29 Findings 29 ppm uranium 29 Geological mapping 29 conduced 28 X ray fluorescence 28 caustic fusion 28 airborne geophysical 28 oversampling 28 IP geophysical 28 samples assaying 28 BRFSS 28 anthropometric 28 Conducted 28 tabulations 28 sediment sampling 28 survery 28 analyzes 28 geochemistry 28 microarray analysis 28 gel electrophoresis 27 ANOVA 27 assays 27 soil geochemical sampling 27 gas chromatograph 27 borings 27 studies 27 transect 27 sampler 27 Measurements 27 scientifically valid 27 scintillometer 27 extrapolated 27 soil sampling 26 magnetometer survey 26 Geochemical 26 survey 26 ppm U 26 randomly selected sample 26 Microbiological 26 Induced Polarization 26 radiometric 26 samples assayed 26 statistical analyzes 26 Exhaustive 26 resampling 26 microbiological testing 26 statistically 26 Grab samples 26 quantitative analysis 26 coliforms 26 reanalysis 26 neuropsychological testing 26 urine specimens 25 Results 25 covariance 25 soil borings 25 Analyzing 25 Surveys 25 epidemiologic studies 25 radiocarbon 25 measurement