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K-AWPM <br /> w <br /> . � <br /> _� w . � 3�{�X�..a<i�."'��Ta anr.-�-<':fx..'.�f�h�- -r'�-iqce;���"t�+��xsa?�;�r,rxs„',v1'4�'[-1r'7.>�.r,-#Her._:,�;yn )`�r�y1”�iYv...�t,�'.te'-:fr5:-.�Y-''sa,.'#t(`i��rrhcr.v��:nrr-f�r< .r�-.;.�r-�_a r-,'yE5¢s-,';s-i_q-,n-'.L�'t��d+s[�.".....�z.dn^:-.e,,,-rc'-caxr�yr^r r-,✓..ce+xr:[lae"r:ai,'..„-'-,Y',�-z`.{�1�, ,.".=,'Pz1, gi�5.w..r� <br /> C �"",.: t s•...a.,..-x'� ,r"xa" '�.—..;w..,.�...:T:i`` .i�. 'z...»..i ' -�..,; .....+ is,»rr�r •...mra"`,oA.u..ciw,...,:;s:.:.:3w.,.a:w.v:.r.R».....-y: a <br /> a <br /> �a <br /> beginning at approximately 5 feet below grade and at <br /> approximately 5--foot intervals thereafter, until. termination. <br /> 7.4 FIELD SCRI EN11IG OF SOLI, S ZTt 1 <br /> A Bacharach TLV sniffer calibrated against a hey.ane standard <br /> (or equivalent instrument) will be used on the soil, contained in <br /> the second tube from the bottom of the shoe, at each sampling <br /> interval within the borings, to determine if volatile <br /> hydrocarbon vapors are emanating directly from the soil. The <br /> results of this field testing will be recorded on the boring <br /> logs. <br /> 7.5 EFFLUENT HANDLING <br /> All Effluent generated during assessment activ 0s will be <br /> sealed in labeled 55-gallon drums. The drums will :itored on- <br /> site, pending the results of the analytical testis :t. which <br /> time the appropriate disposal method will be deteriil—,.?d- <br /> 7.6 ANALYTICAL TESTING <br /> All samples will be delivered for analytical testing to a <br /> California Department of health Services (DOHS) certified <br /> hazardous waste testing laboratory. The <br /> blaboratory <br /> will <br /> as pbe of <br /> certified for all analytical t g <br /> to this investigation. The laboratory will be instructed to use <br /> minimum detection limits for all testing. <br /> All soil samples will be analytically tested for TPH using <br /> m�ldified EFA Method 8015. Additionally, selected samples from <br /> sted for total recoverable petroleum <br /> each boring also will be te <br /> hydrocarbons (TRPH) using EPA Method 418.1, BTXE using EPA <br /> Method 8020, and/or VOCs using EPA Method 8240. <br /> B.0 PROPOSED SCHEDULE <br /> Field activities will be initiated within 30 days of receipt <br /> of county written approval of the additional work proposed <br /> herein. A report presenting the findings of this investigation <br /> will be submitted within 30 days of receit Of all <br /> Countyrittenaff at <br /> laboratory reports. EAT will notifyJoaquin <br /> least 72 hours prior to initiation of field activities. <br /> Project No. 1232 _7- <br /> i <br /> F;'I''IRO:yislf i�'TAL riUDIT!n'C. <br />