i
<br />CORE LABORATORIES
<br />DUAL I T~Y A S S U R A N C E M E T H O D S
<br />R E F.E R E N C E S A N D N D T E S
<br />Report Date: 09/16/98 ~~
<br />Lore Laboratories - Gulf States - Houston, TX • HE
<br />Core Laboratories - Houston, TX • HP
<br />Core Laboratories - Indianapolis, IN ` IN
<br />Core Laboratories - Lake Charles, LA • LC
<br />Core Laboratories - Long Beach, CA • LB
<br />Lore Laboratories - Tampa, FL " TP
<br />Core Laboratories - Valparaiso, IN • VP
<br />Other Subcontract Laboratories * XX
<br />EXPLANATION OF DATA OUALI FIERS - ORGANIC PARAMETERS
<br />U - This qualifier indicates that the analyte was analyzed
<br />for but no[ detected.
<br />J - This qualifier indicates that the value is an estimate.
<br />It is used when a confound is determined to be present
<br />based on the mass spectral data but at a concentration
<br />less than the practical quanti tati on limit of the
<br />method.
<br />E - This qualifier indicates that a sample result is an
<br />estimate because the concentration exceeded the upper
<br />calibration range of the instrument.
<br />EXPLANATION OF DATA QUALIFIERS - METALS & INORGANIC PARAMETERS
<br />U - This qualifier indicates that the analyte was analyzed
<br />for but not detected.
<br />B - This qualifier indicates that the analyte was detected
<br />at a level bel ou the reporting limit but greater than
<br />or equal [o [he instrument detection limit.
<br />EXPLANATION OF DATA FLAGS - ALL PARAMETERS
<br />B - This flag indicates that an anal y[e is present in
<br />the method blank as well as in the sample. The client
<br />should consider this when evaluating the data.
<br />E - This flag indicates the reported value is estimated due
<br />to sample matrix interference.
<br />N - This flag indicates that a post-digestion spike for
<br />GFAA analysis is outside quality control limits.
<br />x - This flag indicates that a surrogate recovery is
<br />outside quality control limits.
<br />Y - This flag indicates a spike or spike duplicate recovery
<br />is outside quality control limits.
<br />Z - This flag indicates a relative percent difference for
<br />a spike and spike duplicate is outside quality
<br />control limits.
<br />• - This flag indicates a relative percent difference for
<br />a duplicate analysis is outside quality control
<br />limits.
<br />- - This flag indicates a percent recovery for a standard
<br />is outside quality control limits.
<br />Page b
<br />m. w~w<s,..,,~. ~o~~~o,,, o,.,,~.~o,.w4v a.aa,,.a „i~~, ,.w~:. ~. ~o nom ~~m~.w , <n,a...~ ~,ooi~~ o. ~~. o~:,~ ~., .,,o~ ~.,ti.~.~.~a ~o„oo,~.x ~.a~~, ,.oc~ v, w.,,.w- m...., n~i ,,,~„,. m o,,. o, ~„~.,P,.a,o~,
<br />..o~..w rao~avni ~~e c~,i rvaemM~ e~ m.. uoo,io,... co,. ~w„~~... ,,o..a,. ~.., N ..,, .: o- ,.n.x.,~~r...o,... r, ..o.,u. o., ~ ~n~ .,,a ~ o,„..r a.m~m. ,.m... ~e,~~ o,ac~o,M,,. o oo., eo..,.o,,, o, ~o i.o~..... c
<br />vrv of qea coal er Diner m.ne~9. o~eoan,. au or ,a n~in cenn„ion.nn•n~n,u.n r~om¢uaW a~~e~m wen is em aax~nneive.ar. Inca rnm~aNU not n~mwucF.~n wm4 or n0an+inyiine •rinm ~ovwai ei Cnra 4br~~~i~q
<br />
|