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• <br /> GRAVEL ROAD <br /> EXPLANATION <br /> MW-4-1*- GROUNDWATER MONITORING WELL AND DESIGNATION <br /> GATE PROPOSED NEW GROUNDWATER MONITORING WELL <br /> x <br /> x <br /> ASPHALT <br /> k <br /> MW-1 <br /> TURNS TO GRAVEL <br /> a- <br /> FILLING RACK <br /> k CONCRETE <br /> OFFICE AND <br /> ASPHALT WAREHOUSE AQ <br /> >, BUILDING OAFS <br /> GRASS �c'� <br /> O OBS WELL /1 OBS WELL /2 0 — tiF <br /> ~ STATE <br /> STREET <br /> 30,000-GAL UST <br /> k TEMPORARY <br /> 10,000-GALLON <br /> TANK CONCRETE - <br /> TEMPORARY 20,000-GALLON TANK PATCHGRAVEL PARKING <br /> k 30,000-GAL UST WORK AREA 1 I <br /> )p / El- <br /> 0 OIL/WATER <br /> CATCH BASIN 0 SEPARATER <br /> T <br /> BAKER TANK L 30,000-GAL UST - I 1 <br /> I JDRAIN UNE <br /> h BAKER TANK I 1 <br /> GOBS WELL /3 OBS WELL /4 <br /> x x .t x x x x x x x <br /> I 1 <br /> MW-3 <br /> MW-2 �� � <br /> _2( .1_2( _ <br /> DRIVEWAY \ CURB <br /> CURB <br /> HEWETT AVENUE NOTE: <br /> REMEDIATION PROGRAM WILL CONSIST OF ONE-20,000-GALLON AND ONE 10,000-GALLON BAKER TANKS USED TO STORE PUMPED WATER <br /> FOR APPROXIMATELY 6 WEEKS. WORK AREA WILL BE DELINEATED BY LOCKED CHAIN LINK FENCE. <br /> WATER WILL BE PUMPED FROM OBSERVATION WELL OBS-4 THROUGH TEMPORARY ABOVE-GROUND PIPING, THROUGH CARBON CANNISTERS, <br /> N AND INTO THE BAKER TANKS.PUMPING AND FILTRATION IS ANTICIPATED TO REQUIRE APPROXIMATELY 3 WEEKS. <br /> il BIO-TREATMENT OF INSITU GROUNDWATER WILL REQUIRE APPROXIMATELY 2 WEEKS TO ACCOMPLISH BY MIXING AND INJECTING <br /> APPROXIMATELY 6,000 GALLONS OF WATER INTO OBS WELLS-1,-2,AND 3,USING TEMPORARY ABOVEGROUND PIPING. <br /> DISCHARGE OF REMAINING TREATED WATER WILL BE INTO THE CATCH BASIN IN FRONT OF THE SHOP THROUGH A GARDEN HOSE ON THE <br /> GROUND SURFACE. THERE WILL BE SOME FLEXIBILITY REGARDING ABOVEGROUND EXTRACTION,INJECTION AND DISCHARGE HOSE <br /> PLACEMENT,AND ADJUSTING OPERATIONS TO ACCOMODATE TENANT OPERATIONS. <br /> BASE MAP WAS PREPARED FROM BASE MAP BY III B LAND SURVEYS,2723 LEONARD DRIVE,EVERETT,WA 98201 DATED MAY 26,2004. <br /> DESIGN HWS SITE PLAN AND PROPOSED NEW WELL LOCATIONS FIGURE <br /> 0 10 30 60 ' HOWARD GEOSUPPORT9 LLC DRAWN HWS SC FUELS EVERETT FUELING FACILITY r <br /> ENVIRONMENTAL CONSULTING SERVICES DATE FEBRUARY2018 / <br /> 3217 HEWETT AVENUE, EVERETT, WA 98201 1 <br /> / <br /> APPROXIMATE SCALE(FEET) 2407 SOLAR LOOP ROAD I <br /> CHEWELAH, WA 99109 JOB No SC FUELS EVERETT FACILITY <br />