Module 8: Lab Accreditation, Protocol, & Audits Module 8: Lab Accreditation, Protocol, & Audits...
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Transcript of Module 8: Lab Accreditation, Protocol, & Audits Module 8: Lab Accreditation, Protocol, & Audits...
Module 8: Lab Accreditation, Protocol, & Audits
Module 8:
Lab Accreditation, Protocol, & Auditspresented by James E. Klaunig
TOXICOLOGY, SCIENCE & EXPERT WITNESSES
Module 8: Lab Accreditation, Protocol, & Audits
2
Lab Accreditation, Protocol & Audits• Custody of Sample– Transport
• National Academy of Science Report• Accreditation• Protocol Development• Testing Instruments– Validation, calibration, and maintenance
• Standards for Comparison• Audits• Retests
Module 8: Lab Accreditation, Protocol, & Audits
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Custody of Sample
• Physical preservation• Chain of custody– Document all individuals that handled the
specimen– Demonstrate lack of tampering– Document that the specimen belongs to the
identified subject• Failure to maintain chain of custody can
result in exclusion of the evidence
Module 8: Lab Accreditation, Protocol, & Audits
Transport
• To lab• Officer delivery•Mail or delivery service– Court decision that mail delivery is ok
•Within lab•Why business records apply to lab
record documentation?• Arrival at lab• Science
Module 8: Lab Accreditation, Protocol, & Audits
Laboratory
• Chain of custody• Preservation of sample• SOPs• Instrumentation
– Depends on the drug/poison being examined̶� GC Head space̶� GC MS̶� LC MSMS̶� ELISA
• Instrument validation, calibration, and maintenance– Positive controls/standards– Duplicate/triplicate samples– Save sample for future testing
• Accreditation– is just a way to solidify that the lab is following certain procedures
Module 8: Lab Accreditation, Protocol, & Audits
National Academy of Science Report• Too many … in the forensic science
community are strapped in their work, for lack of:– adequate resources, – sound policies, – and national support.
• The forensic science community is also plagued by fragmentation and inconsistent practices in federal, state, and local law enforcement jurisdictions and agencies.• The quality of practice in forensic science
disciplines varies greatly.
Module 8: Lab Accreditation, Protocol, & Audits
Module 8:
Lab Accreditation, Protocol, & Auditspresented by James E. Klaunig
TOXICOLOGY, SCIENCE & EXPERT WITNESSES