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HomeMy WebLinkAbout2008 Engineers I Architects I Scientists I Planners I Surveyors 175 Pinelawn Road I Suite 308 Melville, New York 11747 v 631.756.8000 f 631.454.8432 Holzmacher, Mclendon &Murrell, P.C. I 1-12M Associates, Inc. www.h2m.com 1-12M Labs, Inc. I H2M Architects&Engineers, Inc. RECEJV-D DECEMBER 11, 2008 DEC 1 5 2008 ANTHONY J.CAVA, P.E. NEW YORK STATE DEPT OF ENVIRONMENTAL CONSERVATION, REGIONSIocih l,d TOWIR Clerli 50 CIRCLE ROAD- SUNY STONY BROOK,NY 11790-3409 Re: TOWN OF SOUTHOLD Landfill, Quarterly Sampling and Laboratory Analysis Program H2M Project No. SOHT0801 MR. CAVA, On behalf of the TOWN OF SOUTHOLD,HOLZMACHER, MCLENDON,AND MURRELL,P.C. (H2M)completed a quarterly sampling and laboratory analysis program for the groundwater monitoring wells located at the TOWN OF SOUTHOLD Landfill on MIDDLE RD, SOUTHOLD,NY. These well locations are shown on the attached Monitoring Well Location Map. We provide herein the results of our findings for the routine suite of parameters as identified in 6NYCRR Part 360. Sampling Activities The sampling program was conducted by H2M on 11/3/08 and 11/5/08. H2M's sampling protocol called for monitoring/sampling six groundwater monitoring well clusters distributed around the perimeter of the landfill; please refer to the enclosed well location map for the approximate location of these well clusters. Each well cluster is comprised of two groundwater monitoring wells, one being screened in the upper depth of the aquifer(i.e., I S, 3S, 4S, 5S, 6S, 8S)and one being screened in the lower depth of the aquifer(i.e., 1 D, 3D, 4D, 5D, 6D, 8D). Each water sample from a well was taken by purging three static well volumes with a submersible pump,then discharged ten feet from the well, and collected with a disposable bailer. Cross contamination concerns were eliminated by using disposable bailers in conjunction with cleaning the submersible pump with laboratory grade biodegradable detergent and disposable nitrile gloves. The sampling program was conducted based on the specifications included in the Southold Landfill Groundwater Quality Assurance/Quality Control Plan. Analytical Results Each sample was analyzed by H2M LABS, INC. for the routine suite of parameters as identified in 6NYCRR Part 360. Table 1, enclosed with this letter, summarizes the groundwater well construction data and includes surface elevation, depth to water and depth to bottom of borehole, and groundwater well installation dates. Table 1 also summarizes the field parameters collected during the sampling program along with the laboratory analysis for leachate indicators,and inorganic parameters. The laboratory test results were compared to the NEW YORK STATE DEPT OF ENVIRONMENTAL CONSERVATION (NYSDEC) standards as identified in the Division of Water Technical and 1 of 2 SOHT_08-121]_report-g4.doc CELEBRATING 75 YEARS ACEC MEMBER UZA Operational Guidance Series(TOGS)(1.1.1)—Ambient Water Quality Standards and Guidance Values dated June 1998. A CD-ROM containing, in PDF, the set of the H2M LABS, INC. data packages entitled Sample Data Summary Package, Metals Data Package, and Wet Chemistry Data Package are enclosed for your record. Conclusions A review of the lab test results, as compared to the NYSDEC standards, indicate that several groundwater wells in-the sampling program have analytes in exceedence to said standards. Table 1 indicates these exceedances(see note 1)for leachate indicators including ammonia,chloride, and inorganic parameters including iron, magnesium, manganese,and sodium. Should you have any questions or comments,please contact the undersigned at 631-756-8000. Very truly yours, HOLZMACHER,McLENDON & MURRELL,P.C. Vito Giurlanda STAFF SCIENTIST Enclosures: 2 cc: TOWN � ':-TOO WN ct[F S®ii3THOL i7" wltl out enc PATRICIA A.FINNEGAN,ESQ. (without enclosures) JAMES BUNC1 UCK(without enclosures) FILE 2 of 2 SOHT_08-121]_report-g4.doc TABLE 1 MONITORING AND SAMPLING RESULTS[1] QUARTERLY SAMPLING AND LABORATORY ANALYSIS PROGRAM TOWN OF SOUTHOLD LANDFILL NOVEMBER 3 AND 5,2008 r Parameter Unit NYSDEC I MW-1S MW-1D MW-3S MW-3D MW-4S MW-4D MW-5S MW-5D MW-6S MW-6D MW-8S MW-8D Standard[2] Field Parameters 1 Installation Date 05/01/1991 06/18/1991 12/14/2002 01/09/2003 05/07/1991 05/30/1991 05/03/1991 05/22/1991 12/12/2002 12/23/2002 12/19/2002 12/19/2002 Surface Elevation[31 ft 44.31 44.26 46.67 46.96 60.95 60.99 65.91 66.16 53.13 53.27 51.98 51.58 Top of Casing Elevation ft 44.83 44.88 49.50 49.19 62.92 63.03 68.14 67.64 55.77 55.71 55.29 54.16 Riser Diameter in 2 2 2 2 2 2 2 2 2 2 2 2 Screen Diameter in 2 2 2 2 2 2 2 2 2 2 2 2 Casing Diameter in 6 6 6 6 6 6 6 6 6 6 6 6 Depth-To-Water ft 37.20 37.35 42.76 42.56 56.83 56.71 48.89 61.51 49.02 49.13 47.881 48.52 Depth-To-Bottom ft 1 55 1401 55.5 123 60 135 55 1401 61 144 60 138 Specific Conductance ms/cm 0.882 0.5761 1.538 3.3931 0.970 1.148 0.831 3.229 0.510 0.853 1.303 1.853 Temperature °C 12.3 12.4 17.3 16.2 16.0 16.9 15.4 15.8 13.3 12.3 15.1 15.1 H S.U. 7.96 7.86 7.88 7.85 7.32 7.25 6.67 7.75 8.65 7.54 7.83 8.06 Oxidation Reduction Potential my 96 25 -72 -83 75 143 166 115 50 107 -121 -81 Dissolved Oxygen m L 13.4 7.3 6.6 4.2 6.0 4.5 8.2 7.1 11.5 6.7 6.7 4.3 Turbidity NTU' 12.2 14.8 8.7 24.3 10.2 21.81 11.7 40.8 45.81 44.81 48.61 47.9 Leachate Indicators 'Alkalinity,Total As CaCO3) m L 1 U 1 U 308 815 139 724 54.2 734 43.2 27.8 273 428 Biochemical Oxygen Demand m L 2 U 2 U 10.7 2 U 2 U 2 U 2 U 2 U 2 U 6.6 2.5 2 U Bromide m L 0.5 U 0.5 U 0.5 U 0.86 0.5 U 2.26 0.5 U 1.29 0.5 U 0.5 U 0.5 U 0.79 Chemical Oxygen Demand m L 10 U 14.4 54.1 148 19.4 88.8 19.4 128 24.3 10 U 66.5 66.5 Chloride m /L 250 2 U 2 U 74.3 233 2721 9.96 13.2 37.5 61.4 135 Hardness As CaCO3 m L 5 U 5 U 228 256 196 760 76 412 84 180 252 236 Nitrate as N m L 10 0.1 U 0.1 U 0.13 0.1 U 9.47 0.11 1.12 0.11 1.66 6.81 0.22 0.16 Nitrite as N m L 10 0.1 U 0.1 U1 0.1 U 0.1 U 0.1 Ul 0.1 U 0.1 U 0.1 Ul 0.1 U 0.16 0.1 Ul 0.1 U Nitrogen,Ammonia As N m L 2 0.1 U 0.1 Lim 10.2 0.3 0.1 U 0.1 U Nitrogen,Kjeldahl,Total m /L 0.11 0.42 28.4 117 1.61 32.1 0.32 75.81 0.19 0.1 U 34.2 42 Phenolics,Total Recoverable L 1 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U Sulfate m L 250 5 U 5 U 47.7 33 63.1 97.1 17.8 66.5 13.5 108 61.2 87.7 Total Dissolved Solids m L lou lou 419 910 340 1360 102 1070 114 289 431 628 Total Organic Carbon m L 1 U 1 U 13.4 38.7 9.7 29.3 5.5 31.6 3.9 1.3 20.9 19.3 Inorganic Parameters Cadmium L 5 0.15U 0.15 U1 1 B 0.15U 0.2 BI 0.15U 0.15U 0.15 U1 0.2E 0.2 BI 0.5 BI 0.15U Calcium tpg/LL 39.1 B 134 B 37,000 33,100 44,500 152,000 10,200 90,100 16,100 36,300 57,500 60,600 Iron 300 144' 106' 157' 82.3 B' 71.2 B' Lead 25 3.4 14.8 9 10.6 5.4 9.8 5.9 8.1 14.4 6.7 8.9 10.1 Magnesium 35,000 28.9 U 106 B 21,100 34,700 13,400 65 4720 B 16,600 17,800 30,200 Manganese 300 1.3 B 10.5 B Potassium 150 B 274 BrMn 37,700 113,000 43,300 51,400 8,860 97,300 7,490 4210 B 40,900 70,900 Sodium 20,000 210 B 212 B 15,800 7,370 4140 B 13,700 NOTES: [1]Measurements and samples collected on from the top of PVC riser. Highlighted and bold values exceed NYSDEC standards [2]NYSDEC standard as identified in Division of Water Technical and Operational Guidance Series(TOGS)(1.1.1)-Ambient Water Quality Standards and Guidance Valves,dated June 1998. [3]Elevations taken from Groundwater Monitoring Well Plan dated September 21,2005 as prepared by L.K.McLean Associates,P.C.,Brookhaven,N.Y.Data reference-N.G.V.D. 1929. SOHT_08-1211_reportg4-tabl.As HOLZMACHER,MCLENDON AND MURRELL,P.C. 1 of 1 (tif Vi=i " t A f �f 1 -:I.1Yl ti}[+cl.. a yr» t9 s•! 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