EXH0519023204

_ w'_ oond_ onsa_pa=sof_ aggn_ by/UVIEC,=wtrmmentalmmuttantto=_e=up_ _ Trandar,Inc.(CTI).The_iia] lestresu_forIbiss/19warnsubmilmdta Emlow in It_ePod'sThird QuarterlyRep_ 2000. On_'mrequestofthePort,NdEC{=xck¢_ addtonal¢=hemicaltestingonthe aggregalP_Theserut resultshaveI:m_dscussedwithbit.Ct_ungYeeoftheDepartmentof _ (various ' " ' fag.2000)andamdi,_.,-,,,,dfurtherbek_v. Table1,_ byAMEC,summarizasthet_t result=forpeb'o4eumhydrtx:artx:r=.Theini_ test r,"=dts_lica_ the_ ofd_wmdmdheavyoarangepetmleB.n(TPHd'=__,ar¢lo_)m_ _ 310ppm_. This_ the¢¢we_IVl_ Astandardof200 !¢¢n,butis_dt below,d_e newMTCAMetho_As_arc_dof2000ppmwhid_becomes_ August15.200_. Thepmsem_ of'T'_ wes _ to t_e i'sadvedentmix_ of reskdr_tUl_ha_ mated_ fot,_ _e_ _ _,t l_e_ .__ Subsequ_samptm_ _n6,'22/00and7/romoofne._ blas_ rockalsodelacladTPHbutat lev_ belowojrrantand_ MTCAMethodA standam=. Basedm lhermu_ of_e ird_ chemk:altrade, &mPortagreedto_,,el_tot_ nmvlyblastBd_ _:1 mqui_ AMECt=conductongo_ TPHtastingasa condit_to_'.m_ _ _ ma_ ffi theThi'dRunwayembanicnB¢TheiniSaltrotresultsweresub_'ttedtoEcc,k_. Theresultsoftheongoingsamprmgoftheagg'ag_ _-ealsosurnmartz_inTableI (gr25K_O_ugh 10/11/D0).Then_.RIsbdk___,_ffleconSnu_clpms_'_eofk_wle_of'rPH (prbnar_oi). Tl_n_JIIs variod5orenon._t_ upb_270l_m, A.qarcara_ revi_ ofthesiteopration=,AMECcunduc_ thatId_only_ so_ ofTPH,_s _ _ i_t_ crush_ge_u_mom_dtfn_ t_ Octoberand___.,,___CTIandStme_y to_ poto_dalmoo'_-_aSo__ _ tobeam- ,separatet_ _ roc_ingandrockm_in9 _ Basedon_ _, _ Sb_r_ay modifie_q_aSo_ _ indudo: (_)T'no_ c_r_ ofu__ oq._morr_oru_o_ _ _ns _ _ t_ sw_ tonx:k_, and . {2) Discardoftt_ _t hund_ _ ofrock=ushe_a_r _ useof_._eequipmmt_ _ _. *P=jol AR 023204 L I , DRAFT Subsequenton-s_ testing_ W AMECon1O/2400_rough10130/00.a_r themodifications inoperat_ns,_,cate leve_s_ currentandproposedMe_odA standards.A_ou_ therewereno exr.._:JancesofMe_ A standards,nor_of_is ma_l wasplacedat_ ThirdRunway. T_ forMetals A_r w ofthePort'sThirdOuan_y Rerx_2000,Mr.Chu_ Yeeor"Emlo_ calledthePcxtto discuss_e metalclara.HeparticuladynotedtheWesenceofcopperat Lo_elsabove_:_ bac_n:ur_levelsforPu_ Sound,I:_ forwhichmereisnotMTCAMe_:d Asmn¢_l. Theinlgal lestresultsamsumma_sdonTable2 (SxJ/00).BasedonMr.ChungYse's_ralual_n,lhePort requ,______AMECto_n¢tuctadd_l sarn_ingoftheaggmgrmfmt_ rrm_ls.AMECand'_e Port also_ _ potsn_ sou_s ofcop_ andconcluded_at =_er wasr_ra,y _ccurmgin ,d_erockfommiionandt_t themWerenoknownon-shesour_sofcopper_ Theseresultsof_e addil_na_metals_'t_ng_realsosum_ onTal_e2 (11/30/00).Themsulls of_e tu_ am_ too.mmtand_ MTCAMe_x_As_ndm_ forar_ytesforw_ch theses_dards _republished,andMTCAMe_d BmndardswhmIhemarenopu_bhedMs_¢¢IA mrCm:l_ TheMett_ Bmndm_ wem_ I_ on_ ofgro_dwa_r usmgthe T;r,-_PhasePert_ningModel(WAC173-340-747).Ecologyuses_ mmenrativemodeltoback- calm sol_¢_-atk_ th_m _ ofdmk_ tin'. "Thed.Pa_mr,_pt_m.rodby B;d¢_ in_e regulallonsws_ us_l i_be calcub',b_. Melalb_t _sub i_Table2 inall_ are below_e publisl_dMTCAMelhodAandcalculatsdMelhodBslarcll¢_ opera_ormlchangesm:l_ _ ¢i_::_ above.CI"Idi_notI_ anyaclo'_n_mater_ , Pa_2 ... .. o2. 'o5 --…

Open full document

Upcoming Events

PSCAA Advisory Council Meeting Agenda
Add to CalendarMWednesday Mar 11, 9:00am - 11:35am
1904 3rd Avenue, Suite 105, Seattle, WA 98101
Call to order – Roll Call – Quorum Established – Land Acknowledgement We would like to acknowledge that our Agency operates in four present-day counties, which are the traditional lands of the Coast Salish people, past and present. This acknowledgement does not take the place of authentic relationships with indigenous communities in our jurisdiction and [...]