ENFORCE30621

• Permit No: M1988112
• IBM Index Class Name: Enforcement
• Doc Date: 7/17/1993
• Doc Name: NEWSPAPER CLIPPING
• Media Type: D
• Archive: No

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La~aratorr~
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Lxboral.nn' anal}'ses presented as evidence at nn arbitration,
administrxtice hearing or a trial ara likely to be challenged. The
proponent. of such evidence must clear two hurdles' admissibility
and credibility. C•enerally, the party trying to admit the•
lahorator}~ data info evidence may be required to estnbliah that:
• The analytical procedure used to obtain the date hoe burl
accepted generally as reliable 6y at least a substantial mitfo~ty
of'recognixed authorities in the scientific bald in which the teat
belougs;l ~ ~ ~ '
• The person who testifies on the reliability of the nna7ytical
prtx:edures used to obtain the data and an thew level of
acceptance in the scientific community is a properly qualified '
expert; and ' ~ ~ ~ .
• The test used to obtain the data was administered with
correct scientific procedures z
The first criterion a<ldresscs the reliability of the annlytical
test itself Even if the U.S. Environmental protection Agency
(USEP.41 or another regulatory agency has eppmved the teat
method, this does not necessarily indicate that the test method is
generally accepted by recognized aulhoritiee in the analytical
field. Some ntethode adopted for petroleum product analysis,
such ae EPA method 418.1, may fall into this category.
'Pbe reliability oC cutting edge teclmalogies are particularly
susceptible to attack. Generally, all new technologies face a
seasoning period before they meet the reliability criterion. For
example, while gas chromatography with a mass apectrometor
detector, GCrnfs, now is used commonly, the method once was sn~~
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new and unpolished its reliability was questio red.
While technological changes are relotively sy to 6pnt when
reviewing data, much smaller, more subtle p ocedure ehnnges,
such ea sample handling protocol, can bon less n BoOtte of
vulnerability udder the "relinbility of method" riterinn.
The sowad criterion addresses the need for an expert at the
proceedings to validate the analytical procedur used. The ability
to accomplish this depends nn developing an nppropliate
foundation concerning the export's qualifica' one to render a
relevant opinion on the proplinty of the ana yticnl procedure
•used.
1'he third criterion goes to tits heart of the la calory operation
itseV. To show that correct scientific Drocedtt es wore used in
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