Laserfiche WebLink
} a- kr� y��",%�;y�.. � r`l'" ,� � �'.t _,�' �.. - �- » 'er �.. '{" ✓ '' .<' ,i`'��: `fie. <br /> i <br /> Ms.Linda Turlatt' <br /> December 13, 1991 <br /> Page 2 <br /> r <br /> webs was <br /> drorasbons or free-hydrocarbon sheen in the mom were detected In <br /> k�ase l:y Free-phase hydrocarbons well MW-2 <br /> The presence of free-p r m Enclosure A. 194}+ and . monitoring <br /> evaluated using procedures desc_'W on October 30, rbon sheen was not ob rved on <br /> well MWA t',1'ickness 0.04-fa't), in Tobe 1. <br /> monitoring when it was sampled on November 15. Hydrate <br /> (thie"rtss 0.02'foot; from the othar morIta:ing wells. Obser♦atians are included wells <br /> water samples collected in <br /> roduct�onlyputnp�OPeratin3eiternately' rating <br /> �unsatically-operated p rbon recovery'pumps have been operating <br /> A W tiyghause p and Apri!1991• Hydroaham hydrocarbons recovered <br /> ry W-7 betv+reen January 1Sr-:1. 'rne tonal amount of free-p water as well as product. <br /> MW and M n discharging Found <br /> in both wells simultaneously beta May <br /> PL:mps hzve been <br /> since May 1941 is t kAw <br /> 3 MW-5, MW-6,MW-7t <br /> wells MW-1+ MW" ' ate M N_4 v,-ere not <br /> les were <br /> collected from to°19911ng1vlonitoring we[!s �1W-2Graund water samples <br /> Grcuevl water ramp r on October 30, as described above. <br /> MW-g, MW_9, and Mti�-10 h drocarbons, sample was sub:�tted <br /> resence of free-phase in Enclosure A. Each ground wdtera Pnd tctal petroleum <br /> saris due d :si P procedures describedethylbe��, xylenes (ST"�, and California <br /> were collected using P toluene, Protection Agencyound water <br /> for a alysis of benzene. g L[.5. Environmental results for gr <br /> 11) ges°i[ne, using The analytical labcratary provided <br /> hydrocarbons('i>? roved methods. in Table 2. Previous results are also <br /> Depa�ment of Health Services approved <br /> summarized forth October 1991 sampling <br /> samples collected on October 30, 1491+ <br /> • Fable 2 for comParis°n• Copies of the certified laboratory reports <br /> in m Enclofsre R. <br /> event are included' petroleum hydre:,attz Char were <br /> 1941 t far tfi�`-6• <br /> [ collected an October n 30 pans per biltiOn(ppb))Analytical test results indica and water samp n�ngons of <br /> tee <br /> preseted <br /> nt in each o€ the <br /> ground <br /> ranged from ess <br /> none detectedfrom norms d. <br /> and benzene iiyncentratiokts ranged }; droearbons in <br /> concentrations ons of TP1000 b MW-9. Cuncentratianti of total M.WredyconcPntratlorss <br /> in M�'+'-6 m 220,000 PP bin MW 4• st sampling. <br /> b to MW-6 to 21,000 PP since Assure,except for MW-9- <br /> than 0.3 <br /> ppb) <br /> les show no consistent trend from @1e Augu ground� rmpiing <br /> ground water ramp , from mo;tiltoring wells have decreased 1991 gr <br /> Of benzene in samples c°llac.ed fe red front the October 30, <br /> A dissolved benzene isoconcenta'asian map prepared <br /> results is included as Figure 5. <br /> ,`J <br />