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CHRU / 071530L
CHROMIUM, RANDOM URINE

Test Code CHRU / 071530L 
Test CHROMIUM, RANDOM URINE 
Methodology Atomic Absorption Spectrophotometry (AAS) 
Description Useful in monitoring industrial exposure to chromium. 
Specimen 5 mL (minimum volume: 0.6 mL) random urine in a plastic urine container with no preservative. Sampling time for industrial monitoring should be at the end of the shift at the end of the work week. Maintain at room temperature. 
Reference Values Environmental exposure: < 5.0 g /g creatinine; 0.1 - 2.0 g/L
Occupational exposure:
BEI (sampling during shift): 10.0 g /g creatinine
BEI (sampling at end of shift): 25.0 g /g creatinine 
Analytic Time 1 Day 
Day(s) Test Set Up Monday through Friday 
CPT Code(s) 82495  Chromium
82570  Creatinine