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DIFFERENCES BETWEEN ELAP & NELAP. Jane T. Jensen 2011 California State Environmental Laboratory Accreditation Program Branch (ELAPB). CALIFORNIA STATE ELAPB. The ELAPB administers two programs ELAP - oldest program, since 1987 - most comprehensive - fairly stringent NELAP/NELAC

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DIFFERENCES BETWEEN ELAP & NELAP


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differences between elap nelap

DIFFERENCES BETWEEN ELAP & NELAP

Jane T. Jensen

2011

California State

Environmental Laboratory Accreditation Program Branch (ELAPB)

california state elapb
CALIFORNIA STATE ELAPB

The ELAPB administers two programs

  • ELAP

- oldest program, since 1987

- most comprehensive

- fairly stringent

  • NELAP/NELAC

- fairly new, since 1998

- not as stringent

slide3
ELAP
  • Consists of 652 labs

- mostly government (326)

- some private non-commercial (83)

- some commercial (253)

  • Certificate duration 2 yrs
  • 1 acceptable PT out of 2 PTs per yr per method, per analyte, per group-of-analytes, per matrix
nelap
NELAP
  • Consists of 74 labs

- some government (5)

- few private non-commercial (3)

- mostly large commercial (66)

- 35 Primary; 39 Secondary

  • Certificate duration 1 yr
  • 2 acceptable PTs out of last 3 per year, per method/technology, per analyte, per analyte group, per matrix
legal authority
LEGAL AUTHORITY
  • ELAPB statutes Health & Safety Code (HSC) 100825 et.seq, gives ELAPB authority to certify labs and to take enforcement actions as needed
  • Adoption of a national program was made possible by the inclusion of the NELAC standard and the national program by reference (HSC 100825(c)(7)).
elap nelap
ELAP & NELAP
  • The USEPA used ELAP in addition to other programs as a pattern to create NELAP
  • NELAP is similar to ELAP by concept with a few exceptions
  • Due to the diversity of states, stringency was limited to provide each state with the ability to set its own level of stringency through its laws
tni standards
TNI STANDARDS
  • Standards are similar to the NELAC with a few exceptions
  • Some of the language is very general and open to interpretation
  • Labs meeting NELAC should not have too many problems converting to TNI
  • CA ELAPB to implement TNI standards in 2012