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								          		APR-09-97  WED,  11 :02  AM  TOUCHSTONE -Sk  _ 		707  5388812    		P. O
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<br />     				Sequoia  	690 Chesapoake ori-      Redwood Gty,eA 94DO   (413) 364-9600     VAX(41$)3d4.9233
<br />     		Tom,:■.�.�■       			404 hl•WigEt Line	Walnut Creels,CA 94599    (510) 900-9600     FAX(st0)958.9673
<br />   				Analytical       919 Striker Avenue,Suite a  53gamento,CA 95934      (416) 921.94560     FAX(916)911-0100
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<br />      	I2  ouchatone Developments      	Gtent Pro). ID:    dhevron 9-203 ,2033-2   		Sampled:04/07   F;
<br />		P.O. Box 2554    			Sample Descript; SKP•1(A•0)comp 			Received:04/04/87
<br />      	r'Santa Rosa, CA 95405   		Matrix: SOLID    -    					Extracted:04/07/97
<br />      	Q`     					Anaiysia Method; 8015Mad/8020    			Anat zed:04/08/97    #
<br />      	m Attention:,self Monroe    		t.��Number. 970420921    				Re orted:04 ae 97
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<br />      	0 Batch Number:Q&40797t3TEXEXA
<br />      	Instrument ID:G0HP01
<br />    				Total Purgeable Petroleum HydroearbnnS (TPPH)with BTEX and MTBE
<br />		Anatyte   								Detection Limit			Sample Results
<br />       											m9/K9
<br />       	TPPH as Gas    								1,0    					N,D,
<br />       	Methyl t•Butyl Ether    							0,Q25 					N.D.
<br />       	Benzene									0.0050					N.D.
<br />       	Toluene 									0.0050					N.D.
<br />       	Ethyl Benzene  								0.0054					N.D.
<br />       	X�enes(Total)  								0.0050					N.A.
<br />       	Chromatogram Pattarn:     !
<br /> I      	Surrogetes      							Control Limits%      		% Recovery
<br />       	Trifluorotoluene							70   		130  			107
<br />       	4.6romofluorobenzene       					60   		140  			124
<br />     	Analytes+reported at;N.D.were not present above the stated llmil o!detection.
<br />     	SEQUOIA ANALYTICAL  -   EL4P #1210
<br />      C'    	Kevin Fallen
<br />     	Project Manager     													Pago:  	z
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