Occupational sample: Recommended sampling time is POST SHIFT - the last 2 hours to immediately following the end of the working day and end of the working week, after at least 4 days exposure.
Processing Information
Registration Code
UCR
Notes
The urine pottle used for specimen collection must be shown to be free of Chromium contamination
Urine arsenic may be done on the same sample. Please take off a separate aliquot for urine creatinine