Screw cap plastic container (non sterile)

Sampling time is not critical for industrial exposure monitoring. Metals with timing "not critical" have very long elimination half-lives and accumulate in the body over years, some for a lifetime. After a couple of weeks of exposure, specimens can be collected at any time.

Transfer urine to a Transfer vial/tube with cap - 12mL (LabCorp)

Transfer vial/tube with cap - 12mL (LabCorp)

24 hr urine collection container, no additive

How to collect a 24 hr urine sample

1. Measure and record the total volume
2. Mix well
3. Transfer a 5mL aliquot to a Transfer vial/tube with cap - 12mL (LabCorp)

Ambient (preferred) - 14 days

Refrigerated - 14 days

Frozen - 14 days

Freeze/thaw cycles - stable x3

• Preserved specimens

Inductively coupled plasma/mass spectrometry (ICP/MS)

Environmental exposure

<50 μg/L, <80 μg/24 hours

Occupational exposure

BEI® (sampling time is not critical): 150 μg/g creatinine

Chelation therapy: <600 μg/24 hours (after 1 g EDTA I.V. or 2 g DMSA P.O.)

Medical necessity