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HomeMy WebLinkAboutMinutes - April 3, 2012 SSLODI CITY COUNCIL SHIRTSLEEVE SESSION CARNEGIE FORUM, 305 WEST PINE STREET TUESDAY, APRIL 3, 2012 A. Roll Call by City Clerk An Informal Informational Meeting ("Shirtsleeve" Session) of the Lodi City Council was held Tuesday, April 3, 2012, commencing at 7:00 a.m. Present: Council Member Hansen, Council Member Johnson, Mayor Pro Tempore Nakanishi, and Mayor Mounce Absent: Council Member Katzakian Also Present: City Manager Bartlam, City Attorney Schwabauer, and City Clerk Johl B. Topic(s) B-1 Receive Update on Treatment and Monitoring Activities for PCE/TCE at Central, Southern, Western, and Northern Plumes (PW) City Manager Bartlam briefly introduced the subject matter of the PCE cleanup program. Public Works Director Wally Sandelin provided a PowerPoint presentation regarding the PCE cleanup program. Specific topics of discussion included plume testing and groundwater monitoring, Southern Plume status, Western Plume status, Northern Plume status, Central Plume status, groundwater trends, shallow zone, intermediate zone, deep zone, permanent facilities, and source area treatment. In response to Mayor Mounce, Mr. Sandelin stated in the Southern Plume the new well is a monitoring well only for sampling purposes. In response to Council Member Hansen, Mr. Sandelin stated the monitoring will continue until such time as the City is told by the State to discontinue, which will likely be at least a year. In response to Mayor Mounce, Mr. Sandelin stated the noise factor with monitoring wells is limited to the actual drilling only as the sampling itself does not have noise. In response to Council Member Hansen, Mr. Sandelin stated the new wells in the Western Plume are costing more because of the level of drilling and depth. In response to Council Member Johnson, Mr. Sandelin stated clusters are drilled to different depth levels to determine migration patterns. In response to Council Member Johnson and Mayor Mounce, City Attorney Schwabauer stated there is a shared data agreement, which was a part of the settlement agreement, and staff is having difficulty getting a hold of Luster-Cal's consultant to force sharing of the data. In response to Council Member Hansen, Mr. Sandelin stated the water level in the Central Plume is 45 to 50. In response to Mayor Mounce, Mr. Schwabauer confirmed that the wells in the Central Plume across the street from City Hall are vapor and extraction wells and a brief discussion ensued regarding the noise levels associated with the different types of wells. Continued April 3, 2012 In response to Mayor Pro Tempore Nakanishi, Mr. Sandelin stated that, with respect to the decision-making process for the location of wells in the City, it is a joint effort by the City and the regional board. In response to Council Member Hansen, Mr. Sandelin stated he is confident the City will continue to have the resources for the cleanup effort and the challenge lies with convincing the regional board that spot treatments are not efficient and cost effective. Further, Mr. Sandelin stated as PCE migrates to the outside of the City boundaries it goes through a degradation and dissolution process whereby it becomes TCE and then DCE, which exists below the required limits. Mr. Sandelin stated the City has been participating in the DCE monitoring program since 2006. In response to Council Member Johnson, Mr. Sandelin stated the regional board will likely not remove any deep levels of monitoring until it discontinues all monitoring. Mr. Sandelin stated when monitoring ends in specific locations it is negotiated as compliance is shown. In response to Mayor Pro Tempore Nakanishi, Mr. Sandelin confirmed the assumption that, even if the City were not involved in PCE/TCE efforts, the City's drinking supply was still safe. Mr. Bartlam stated this assumption is also confirmed by way of monitoring versus action steps. Mr. Schwabauer stated the exact amount of PCE that was originally in the ground is unknown and experts have differing opinions. In response to Council Member Hansen, Mr. Sandelin stated another groundwater extraction well is being built because the former well design had a shortcoming and another approach is being utilized. In response to Council Member Johnson, Mr. Sandelin stated the City is spending $250,000 a year on the Central Plume facility, which is less than originally predicted, and some of the work is being performed by staff while the monitoring is being done by a consultant. In response to Mayor Pro Tempore Nakanishi, Mr. Sandelin stated the regional board does have local history with PCE at Lincoln Center in Stockton. In response to Myrna Wetzel, Mr. Bartlam stated the amount of time for degradation and dissolution is unknown as it took 60 years for the water to travel a few blocks. In response to Ed Miller, Mr. Schwabauer stated PCE in the Central Plume came from a variety of sources including dry cleaners and Lodi News Sentinel although the exact amount for each is uncertain. Settlement in the Central Plume with the various litigants was $7 million. Mr. Sandelin conducted a brief tour of the Central Plume facility located behind the Oddfellows Building on Pine Street across from City Hall. C. Comments by Public on Non -Agenda Items - None D. Adjournment No action was taken by the City Council. The meeting was adjourned at 8:05 a.m. ATTEST: Randi Johl City Clerk N AGENDA ITEM 8 to' CITY OF LODI COUNCIL COMMUNICATION TM AGENDA TITLE: Receive Update on Treatment and Monitoring Activities for PCE/TCE at Central, Southern, Western and Northern Plumes MEETING DATE: April 3, 2012 (Shirtsleeve Session) PREPARED BY: Public Works Director RECOMMENDED ACTION: Receive update on treatment and monitoring activities for PCE/TCE at Central, Southern, Western and Northern plumes. BACKGROUND INFORMATION: Information regarding the past four years of studies, treatment, monitoring, and expenditures related to the PCE/TCE operations in the Central, Southern, Western, and Northern plumes will be provided. Following a half-hour presentation, a site visit to the Central Plume Interim Remedial Measures treatment facilities will be conducted. The facilities are located near the alley between Church, Oak, Pleasant and Pine Streets. FISCAL IMPACT: Not applicable. FUNDING AVAILABLE: Not applicable. FWS/pmf APPROVED: F. Wally Andelin Public Works Director Bartlam, City Manager K:\WP\PROJECTS\WATER\PCE,TCE\CUpdate_ doc 3/28/2012 The City of Lodi Public Works Engineering r login `• h } l F PCE Cleanup Program Shirtsleeve Session April 3, 2012 ift PCE Cleanup Program ➢ Southern Plume Testing and Groundwater Monitoring ➢ Western Plume Testing and Groundwater Monitoring ➢ Northern Plume Characterization ➢ Central Plume Treatment and Groundwater Monitoring Southern Plume Two Borings to 200 feet 5 — 6 Grab Samples at Various Depths Sample Points to Determine Southern Edge Regional Board Monitoring Program Monitor Natural Attenuation Southern Plume Area !" sr i— _ —�— — r - Park3_t,_ - - - Sycamore — — — I� _F— — —J _r 7 - 7-- — - --, -7 1 _ — ❑ -- -- -- za— —�gu_ Taln�rack — —J SSB -2 612011 (75)<0.5 1 - PCE (110) 12 - - - -1 - - - - - (140) c0.5 - - - Kettlemar Ln. (180) a0.5 - fl204 1.7 --�- - SSB61 512011 _ (97) 7.9 I ISMW-1A,B,C— — — c (107) X0.5 l r L = PCE (149) 2 — — x _ T T'--—_ (166) 5.9 (202) 7.27 i o L I ZaXI nld br._I 1 Y — r 111 in pillage_St. MaxwellSt._ = r l - --L —�— —1 ' - Mendocino Dr. p'— ' � I� r I,I � l _ LI G. 71 Li I LI 4 Ct.. — —f r Lambert _ Schlenker fir. i Southern Plume Area !" Western Plume Four Borings to 200 feet 5 — 7 Grab Samples at various depths Sample Points to Characterize East/West Limits Regional Board Monitoring Program Monitor Natural Attenuation W CP,oT, ,.,mo,, 5-6!2011 �IjII_�I I �r cell E � ramara�k or - I W CPT -4 W CPT -3! WSB-3 5-6!2011 W CPT Loll ` f _ i11 _ I fir J I_ L-1 W CPT -5I I W CPT -51 W SR -5 5-6!2011 W CPT -21 812011 W CPT -2 LL TI D � ;JIT, WELL T - Ila 12 I Western Plume Area 1"-40 Northern Plume Evaluate Undisclosed Data Recommend Groundwater Monitoring Plan Construct Monitoring Wells Regional Board Monitoring Program Monitor Natural Attenuation Central Plume Monitoring Four Monitoring Zones 1. Shallow Zone < 75 feet BGS 2. Intermediate Zone 75 — 125 feet BGS 3. Deep Zone 4. Deeper Zone 125 — 150 feet BGS > 150 feet BGS BGS = Below Ground Surface ..rr 31 a s1•i _ II ..^.vf GMP• - ` - _. _ QOR- .+fir �".- - -— ___ �A•�.t SVS -mss _ _ -- z -- } 293- - rl a.,wti RN•c w f � S 1RN-t6 • W.a ___ P.MW-1B A.. I- ... - vtgR P _' -- w toast St r v, trust stw�xusts-^ �----- �QI I^ MZ�,i —Z �Iz �._.-.---�-�-_�_ ���j �--_..-_ _ locust St � '-"--- } " jjm�- ----- - L _ j r -- —, g �_`--- _JG -14A G -148_--j 7G -14C — - w wne st -j SV5 I �� I I j 1 0 MW -06,_- I l m _ - L— Lmw-wI I Imo— `~ MW -07-- SV -1 SVS -_� _ 1 SV2 1 -1 --I D MW -0B �� ; I SV9 - - - St SV1 EPtne ISV6 ill_._"_ --_.-,T JI nl- --I `---------EWA SV3 � SV7 m W Oak S ---- I I--. MW -11 t 1a 0 G-08 I 1 MW -26D "- i --- _-� Li I - G-10 `1 I f I N I - �` E k I5� i -._--I L__�1 I i ISI It sj i ---G-.19A_ G=11 t�61�u�si '—W -G-1613 G-246 _ �y 1 --'—.--G-16C 00 G -24i4 --- W Walnut St"----- walnut st it-_ r�-1(� IF I1�11 G-18C- -131 � �� WNI-031j I w 1 V' J III I� fI Hi ! ' � ' --I — I ' �odi AvaE Lodi Ave .: — '�1 _._E Lodi Ave �-• i j i +�_ Wei i i0� �------G-17A II ( I I II 1 I I ---- _ r+n� St — - —1 _I L "-25B— — (— chestna tMW-9s[_ -- !�— E Keltlemen Ln I Ij I �-MWA3— Flora St ---J J --J Eden St _.__--'- ----I MW -24B 1MW-24C---) nue Well Locations Juwry 2012 185702M Legend Notes cknupixiied e Monitoring Well - Extraction Well 1. State Plane Califomia III City of Lodi, Public Works Department Groundwater Monitoring qV Q5 Monitoring Well Not Included SVE Well FIPS 0403 Feet. Lodi, San Joaquin County, Cal forma In Groundwater Monitoring Program Road Water Supply Well Railroad 2. Base data provided by the City F[gLn No. �� ® Abandoned Water Supply Well Parcel of Lodi, Public Works Department. 2 nue Well Locations - - - I I PCE TCE .2-0G aVW p_ PL11R011 �.T ]4 C<e,9e E, <p,9e ,� .. _., ....^^�•s - - ..1 _ _ Cti _ M913071 1.1. R <0.e0 c0.ee 71n2aMH 9.0 rs �pda •o.SP a, I - 1 { r am PGE lGE c .—u 41�-0CE a I 1 .! ■ _ _ ._ ... _ ._ _ ,a- _ ._ - ovwrsnl 1.e as -�d3Y :' I :1 I ._ _ _■_.■ _ - - - - _. ... - - oY1WY11._- 11133n177 1.7 sx <ca +0.00 = 4- � ;I - l ■ - - _ _ - _. _ _. _ .. t1-61 PCE E o-1,9-0CE e-7,2-0GE m 1 ■ G29s1_ _ ■ _t _ _ • - -' ��- - - - - .. - f IY701SM1 35v0 1t ...A.S.._ - ■. bR1en017 3]Io 1x 6.1 <O,eo H'�T •b a__ _ __I ■_ Y .2. 1 -• - t- - l '§ 7 Iy2712Vl11 eeeo 1x .fo ctR _ V �„ _, ` V a 11RV26i1 � 9e�0 .le .10 .lO - ' ■ � � �"' 9i ■ H"� 09neno17 eso <=s o-�zs S 1<ze E 'f. I 'a ■ ■� _ _ _ anenetl aae <za <za <zo = u-��-- �.— '� :: �' ♦ F ■ ■ -- - - - oenott soa <xs �zs cz.s ttntnmt s7o • z.x czn czo i � �W � � _....—. -� 9 i 5 '♦♦ ■ 1 ._mss,,_. :. ♦ 1 1 PGE'TGML eL10iZV11 T1 10 02 co.eo ' 4 61R9R011 TO RO 05 O.b7 Wee neR _ i OeRL20.1'I 6e t6 ,6 • eS0 _ _ _ - - i_ � _ __[rme _41 _ MR -me PG! TGE 177Pte3017 1.5 <0.90 ��-�oso .0.50 - - -We000 e __.suORUS W Locust St - N Locust Si W Locust St Q ¢ Z, I fel' , _ ____ 1 C� i SV5 I (' = --- I 0 - -�1 r --i � --, a w Prom st--i r______' --I ==-, SV lWV6 sys '� I �3V3 Slip '1 -I �I � W Osk St q �I i i ffi '1__! ► ! L L] 0460 1 NW -250 _._. PCE TCE a-1.2-0CE t-1,2-0CE 02!10112011 3500 11 4.5 < 0.50 OM2412011 3300 12 5.1 < 0.50 OU22/20'11 4400 12 < 10 < 10 11/21/2011 3600 < 10 410 < 10 025A CE e-1.2-DCE 1-1,i 2.5 < 2.5 < 2.0 < 2.0 < 2.5 < 2.5 < :.2 < 2.0 1 < NW -21B - I I c24s PCE TCE a-1,2-DCE t•1,2-0CE 02111/2011 4.7 74 1 < 0.00 I < 0.50 04120/2011 4.6 72 < 0.50 1 < 0.60 OW"NI1 4.4 73 < 0.50 1 -40.50 1112T/2011 4A 75 < 0.50 1 It 0.50 �7(- --.-- w wminut st G-1681 I-._.___ L� ' ; � s-o=24s ingt� � 1-----�' i,J L_I i________ -_---I Walnut St r- - , ,1 E Lodi E Lodi a,amtn I� I , 1 ` ♦ w __.� --�- Flora St _ I , ` ♦ I I h � ice---= Conn , , 06 _ 1 !� , , , ♦ I �"_-~- Eden St ♦ I f , G -26A ��-�J �"��,---♦ ____-____-- E T St r ----'_""'-_._._-----I st , f ♦♦ '� , n,� I ♦ Hmb St • rf y ♦ ♦ i ♦ , -. � ♦ 1 L� I f I i % I ♦ L .____------ J JT ♦ ` %Ely` I %% ; , cher St I NW -22B PCE TCE C-1,24DCE t-1.2-DCE 02H012M 1 2 < 0.50 < 0.50 < 0.50 04ROl l 2.4 < 0.50 < 0.50 < 0.50 OW22=11 2.2 < 0.50 < 0.50 < 0 11/21/11 1.8 a 0.50 < 0.50 e 0 sienna Vl j ::1- MW 226 I,_ r � 1:7000 E "ttlangn Ln Weli-06R Jaway 2012 185702M Legend Notes ck« e Monitoring Well City of Lodi, Public Works Department g 1. Base data provided by the City of Lodi, Public Works Department. Groundwater Monitoring ® Water Supply Well Location ID Lodi, San Joaquin County, California -! Extraction Well i0 _ SVE Well NW42 Figure No. - Road PCE TCE C -1.2-D= 11 -1.2 -OCE Paramstar 6 Sun 07M9r200e 9.3 0.68 <0.50 <,60 eConoantradon in Railroad Sample Data Micrograms Per Liter �- PCE ContourTnie *Redvalues indicate 01st the parameter exceeded PCE Isoconcsntration Parcel the CalHomis Primary MCL Contour Map - Intermediate Zone 77Groundwater Trend ➢ Groundwater Levels Are Seasonal ➢ Highest in Spring ➢ Lowest in Fall ➢ Groundwater Levels Lowest 2009 ➢ Slight Recovery Past Two Years Shallow Zone Micrograms/liter (parts per billion) Compliance Point = 5 ➢ G - 04 (Source) ➢ G - 05 (Source) 9,500 (2001) 59,000 (2001) 32 (2011) 370 (2011) ➢ G - 13 (Lodi Ave.) 1,400 (2001) 280 (2011) Intermediate Zone Micrograms/liter (parts per billion) Compliance Point = 5 ➢ MW - 25B (Chestnut) 2,300 (2005) ➢ G — 25A (Tokay) 170 (2003) 31600 (2011) 570 (2011) ➢ MW — 21 B (Vine) 86 (2005) 56 (2011) Deep Zone Micrograms/liter (parts per billion) Compliance Point = 5 ➢ G — 18B (S/Walnut) < 1(2003) < 1 (2011) ➢ G — 25B (Tokay) 12 (2003) 3 (2011) �? Permanent Facilities • 9 Soil Vapor Extraction Wells (SVE) ■ 2 Groundwater Extraction Wells (GWE) ■ 1 Replacement GWE Well Under Construction • 2 Granular Activated Carbon Filters (SVE & GWE) �? Source Area Treatment ➢ Pilot Facility (SVE) ➢ Permanent (SVE) Permanent (GWE) 2009 (1 year) 2010 (1 year) 2011 (9 mos.) 1,004 pounds 527 pounds 1,464 pounds Minimal ➢ TOTAL 2006-2011 8,023 pounds Questions?