Copyright © 2004-2010 Chromosomal Laboratories, Inc
Setting the Standard for Quality DNA Identification
Quality Built- In
A core philosophy at Chromosomal Laboratories is “Quality Built- In”.  This means that every step of the process,
from sample collection to results reporting, is critically designed, evaluated and monitored.  This translates into
the highest quality possible.  

The management and technical team at Chromosomal Laboratories has over 100 years of successful experience
in the laboratory testing industry.  The diversity of the team’s experience and technical talent is unparalleled and
ranges from paternity and forensics to laboratory analysis of environmental bacteria and fungi, anthrax and
related bioterrorism agents, chemical contaminants, vaccine development, expert witness, consulting, research
and development and the manufacture of medical devices.

Quality System
The Quality System at Chromosomal Laboratories is modeled after ISO 17025:2005, General Requirements for
the Competence of Testing and Calibration Laboratories, the international benchmark for approving the
competence of testing and calibration laboratories.  The Chromosomal quality program has been engineered to
meet the diverse requirements of several accreditation bodies and standards, including AABB, ASCLD and DAB.
The laboratory complies with applicable industry guidelines, including the Quality Assurance Standards for
Forensic DNA Testing Laboratories and Convicted Offender DNA Databasing Laboratories issued by the FBI
Director.

Accreditations
In demonstration of excellence, Chromosomal Laboratories participates in a number of national and international
accreditation programs, including the
American Association of Blood Banks (AABB), Forensic Quality Services –
International, (FQS-I) and the New York Department of Health. These programs provide external review and
approval of the laboratory systems and quality.

Proficiency Testing
In demonstration of its commitment to quality, Chromosomal Laboratories participates in multiple third party
proficiency testing programs for paternity, forensic casework, forensic databasing, and Y chromosome analysis.  
The Chromosomal Program far exceeds any regulatory requirement.  

Validation
Validation is the process of demonstrating that a laboratory procedure is robust, reliable, and reproducible in the
hands of the personnel performing the test in the laboratory.  A robust method is one in which successful results
are obtained at a high frequency.  A reliable method produces accurate results that correctly reflect the sample
being tested.  A reproducible method produces the same or very similar results each time a sample is tested.  All
three types of methods are important for techniques performed in DNA laboratories.  

All methods employed at Chromosomal Laboratories in the normal course of paternity and forensic analysis have
under gone rigorous peer reviewed validations.
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