Description:
Concentration of small leachable particulate (SLP; 0.4-5 micrometer (um) size fraction) added iron-57 (Fe57). In the treatments where no 57Fe was added, the notation 'na' = 'not applicable' was used. The notation 'na' = 'not applicable' was also used for samples not analyzed. Values below the limit of detection [see Table 2 for detection limits] are replaced with 'nd' for 'not detectable' and accompanied by Flag 6 in the dataset.