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								    '  											110 Second Avenue South #D7 Pacheco CA 94553-5560
<br />      			McCAMPBELL ANALYTICAL INC    	Telephone  925-798-1620  Fax  925-798      -1622
<br />'       										http//wwwmSSaLnpbell com E-mail main@mccampbell com
<br />      		Advanced GeoEnvtronmental      Client Project ID Arco Mint Mart   	Date Sampled 04/29-05/01/98
<br />      		4005 North Wilson Way								Date Received 05/02/98
<br />'    		Stockton, CA 95205 		Client Contact Bill Little     		Date Extracted 05/04/98
<br />     							F
<br />    								nt P O       				Date Analyzed 05/07/98
<br />'     								Volatile Organics By GC/MS
<br />      		EPA method 8260
<br />       				Lab ID       						88807
<br />'     				Client 1D    						B1340
<br />       				Matrix  							S
<br />     		Compound			Concentration*     			Compound 			Concentration*
<br /> I    		Acetone`       			NYx10   	Etbylbenzene    						ND
<br />     		Benzene  				ND     	Hexachlorobutadiene     					ND
<br />     		Bromobenzene   			ND     	lodomethane     						ND
<br />     		Bromochloromethane     		ND     	Isopropylbenzene						ND
<br />     		Bromodichlorotmethane   		ND     	p-lsopropyl toluene      					ND
<br />     		Bromoforin      			ND     	Methyl butyl ketone` '   					ND
<br />     		Bromomethane   			ND     	Methylene Chloride"'  					ND<10
<br />     		n-Butyl benzene  			ND     	Methyi ethyl ketone      					ND
<br />     		sec-Butyl benzene			ND     	Methyi isobutyi ketone`x 					ND
<br />     		tert-Butyl benzene			ND     	Methyl tert-Butyl Ether(MTBE)
<br />     		Carbon Disulfide 			ND     	Naphthalene     						ND
<br />     		Carbon Tetrachloride     		ND     	"-Propyl benzene						ND
<br />     		Chlorobenzene   			ND     	Styrene' 							ND
<br />     		Chloroethane     			ND     	1,1,1,2-Tetrachioroethane 					ND
<br />     		2-Chloroethyl Vinyl Ethe 		ND     	1,1,2,2-Tetrachloroethane 					ND
<br /> I   		Chloroform      			ND     	Tetrachloroethene      					ND<10
<br />     		Chloromethane   			ND     	Toluene` 							ND
<br />     		2-Chlorotoluene  			ND     	12,3-Tnchlorobenzene   					ND
<br />     		4-Chlorotoluene  			ND     	1,2,4-Trichlorobenzene   					ND
<br />     		Dibromochloromethane   		ND     	1,1,1-Trichloroethane    					ND
<br />     		1,2-Dibromo-3-chloropropane    	ND     	1,1,2-Trichloroethane     					ND
<br />     		Dibromomethane 			ND     	Trichloroethene  						ND
<br />     		1,2-Dichlorobenzene     		ND     	Tnchlorofluoromethane  					ND
<br />     		1,3-Dichlorobenzene     		ND     	1,2,3-Trichloropropane   					ND
<br />     		1,4-Dichlorobenzene     		ND     	1,2,4-Tnrnethylbenzene  					ND
<br />     		Dichlorodifluoromethane 		ND     	1,3,5-Tnmethylbenzene  					ND
<br />     		1,1-Dichloroethane       		ND     	Vinyl Acetate"" 						ND
<br />'    		1,2-Dichloroethane       		ND     	Vinyl Chloride"' 						ND
<br />     		1,1-Dichloroethene       		ND     	Xylenes,total `°  						ND
<br />     		cis-1,2-Dichloroethene    		NO
<br />     		trans-1,2-Diehl oroethene  		ND
<br />     		1,2-Dichloropropane      		ND
<br />     		1,3-Dichloropropane     		ND
<br />     		2,2-Dichloropropane     		ND     	Comments
<br />     		10-Dichloropropene     		ND      				Surrogate Reco-.eries
<br />     		cis-1,3-Dichloropropene  		ND     	Dibromofluoromethane  					101
<br />     		trans-1,3-Dichloropropene		ND     	Toluene-d8      						102
<br />     		Ethylene dibromide       		ND     	4-Bromofluorobenzene   					104
<br />     		-mater and vapor samples are reported in ug/L,soil and sludge samples in ug/kg,wipes in ug/wipc and all TCLP/SPLP extracts in ug/L
<br />     		Reporting limits unless otherwise stated water samples I ug/L vapor samples 0 5 ug/L,solid and sludge samples 5 ug/kg,wipes 0 Zug/wipe
<br />    		ND means not detected above the reporting limit,NIA means analyte not applicable to this analysis
<br />     		(b) 2-propanone or dimethyl ketone, (c) (2-chloroethoxy) ethene, (d) 2-hexanone, (e) dichloromethane, (f) 2-butanone, (g) 4-methyl-2
<br />    		pentanone or isopropylacetone, (h)lighter than water immiscible sheen is present, (i)liquid sample that contains greater than —5 vol °!
<br />    		sediment 0)sample diluted due to high organic content,(k)peaks present in this carbon range do not match the pattern of our standard for
<br />    		this analyte,(1)methylbenzene,(m)acetic acid ethenyl ester,(n)chloroethene (o)dimethylbenzenes
<br />       		DHS Certification No 1644   					/ Y   Edward Hamilton,Lab Director
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