|
SEQUOIA ANALYTICAL
<br /> 680 Chesapeake Dave • Redwood City, CA 94063
<br /> (415) 364-9600 • FAX(415) 364-9233
<br /> ,."�,> www'"ti•,q^y�'^} ;A ,�.eei�v5'x•��f mr+�^.'at.+,��.�f¢?'^»,,�^C v�r�a�' ^r +*t+eA,,..Vc„w.x. ..��.,.x�..,�.,..� .,N,.yi.A,._..,�-c.. `^^.rd^��r;�•`<"�.PriI 'rh
<br /> RESlVA �1.wS..eS .iwsv�'�"� ,�. ,, x .
<br /> Client Project!D 150008 O�,VHendrac Trucking Analyst: R Clster t
<br /> 1
<br /> 1710 Main Street EPA Method EPA 8015
<br /> Escalon, CA 95320 Units mg/kg Analyzed May 14, 1993
<br /> i
<br />' ,Attention: John Lane QC Sample Group 3E32701 N N Reported- May 19, 1993
<br /> e n..,-�..v.c�:,sv,SG. .,dN.;,M,R.7+ ,a...w 3ixc..9wS G35S�i,��„„„5,.....,.,..wvwri,w.c..3.awmAG,,,�k�...,w�w•5..,...n a,.,.,e.+w-v.c..,;;;;v,.�..s.:,,ra;,��'cr d.�`s,a,.s .✓ix.�,C.~„�i?^..we 'r�G.�cwo�eGo,Jw.`�'a.,.fM.r
<br />' HYDROCARBON QUALITY CONTROL DATA REPORT
<br /> ACCURACY ASSESMENT PRECISION ASSESSMENT
<br /> Laboratory Control Sample Sample Duplicate
<br /> ANALYTE Gasoline ANALYTE Volatile
<br /> Hydrocarbons
<br /> Spike Conc. Sample
<br /> Added: so Number. 305-0478
<br /> Spike Result: 44 Original
<br />' Result: ND
<br /> °.6
<br />' Recovery: 88 Duplicate
<br /> Result: N D
<br />,,Upper Control
<br /> Limit%: 120 Relative%
<br /> Difference: Relative Percent Difference values are not
<br /> reported at sample concentration levels
<br />' Lower Control less than 10 times the Detection 1Jmd.
<br /> Limit%: so
<br /> Maximum
<br />' RDP: 50
<br /> 1
<br /> 1
<br /> SE ;ANAL7L %Recovery- Conc of M S -Conc of Sample x 100
<br /> Spike Conc Added
<br /> Relative%Difference Conc of M S -Conc of M S D x 100
<br /> l (Conc of M S + Conc of M S D)/2
<br /> ger
<br /> Pr a
<br /> 3E32701 war ec5>
<br /> 1
<br />
|