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110 2nd Avenue South,#D7,Pacheco CA 94553-5560 <br /> E4*7mampbell Analytical Inc Telephone 925-798 1620 Fax 925-798-1622 <br /> ' h //www incemppbetl cam E mail main mccarnpbell coin <br /> Advanced GeoEnvironmental, Inc Client Project ID Chapin Bros Date Sampled 02/17/03 <br /> Investments <br /> 837 Shaw Road Date Received 02/18/03 <br /> Stockton,CA 95215 Client Contact Bill Little Date Extracted 02/18/03 <br /> tClient P O Date Analyzed 02/19/03 <br /> Diesel(C10-23)and Oil(C18+) Range Extractable Hydrocarbons as Diesel and Motor Oil* <br /> xtraction method SW3510C Analytical methods SW8015C Work Order 0302222 <br /> ' Lab lD Client 1D Matrix TPH(d) TPH(mo) DF %S <br /> 0302222-001B Effluent W ND ND 1 810 <br /> 1 <br /> 1 <br /> ' Reporting limit for DF—1, W 50 250 �g/1, <br /> ND means not detected at or <br /> above the reporting limit S NA NA mg/Kg <br /> water and vapor samples are reported inµg/L,wipe samples in ug/wipe,soil/solid/sludge samples in mg/kg,product/oil/non-aqueous liquid samples in <br /> mg/L,and ail TCLP/STLC 1 SPLP extracts in AgJL <br /> #cluttered chromatogram resulting in cocluted surrogate and sample peaks,or,surrogate peak is on elevated baseline,or,surrogate has been diminished <br /> by dilution of ongmal extract <br /> ' +The following descriptions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not responsible for their interpretation a) <br /> unmodified or weakly modified diesel is significant,b)diesel range compounds are significant,no recognizable pattern,c)aged dieseh is significant), <br /> d)gasoline range compounds are significant,e)unknown medium boiling point pattern that does not appear to be derived from diesel,f)one to a few <br /> ' isolated peaks present,g)oil range compounds are significant,h)lighter than water immiscible sheen/product is present,i)liquid sample that contains <br /> greater than—2 vol %sediment,k)kerosene/kerosene range,1)bunker oil,m)fuel oil,n)stoddard solvent/mmeral Spirit <br /> ' DHS Certification No 1644 Angela Rydehus,Lab Manager <br />