HomeMy WebLinkAbout2008 2nd Qtr f-12M
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 1-12M Architects&Engineers, Inc.
June 2,2008 D ECEPVE
James Bunchuck, Solid Waste Coordinator JUS
Southold Solid Waste District — 4 2008
P.O. Box 962
Cutchogue,New York 11935-0962 DEPT Of SOLD WASTE
TE
Re: Town of Southold Landfill
Gas Monitoring Well Report,2008 Q2
H2M Project No. SOH T 0801
Dear Mr.Bunchuck:
As detailed in our letter proposal dated November 17,2006, our office conducted landfill gas monitoring
for the existing fifteen gas monitoring wells(i.e., located in the southwest, south,and southeast perimeter
of the landfill)at the Town of Southold Landfill located on Middle Road(CR 48)in Cutchogue,New
York. Said monitoring program was conducted on May 28,2008, and said wells were monitored with a
RAE Systems VRAE 7800 Gas Surveyor. Weather conditions that day were observed to be sunny and
approximately 60°Fahrenheit with little to no onsite wind.
Enclosed with this letter are Figure 1 and Table 1. Figure 1 shows the approximate locations of these gas
monitoring wells, and Table 1 lists these gas monitoring wells and their corresponding levels of carbon
monoxide, oxygen and lower explosive limit(LEL)for methane as measured on May 28,2008.
The levels listed in Table 1 indicate that there is currently little to no potential for combustible gas
migration beyond the boundary of the landfill in the vicinity of GMW-6 and GMW-11 (i.e., located in the
southeast and east portions of the landfill) and combustible gas levels at said locations dropped by 88%
and 29%, respectively, since last measured in February 5, 2008. The next quarterly round of monitoring
is expected to be conducted in August of 2008.
If any questions arise concerning the gas well monitoring program, please contact the undersigned at
(631)756-8000. -
Very truly yours,
HOLZ +R,MCL ON &MURRELL,P.C.
Vito S. Giurlanda
Staff Scientist
Enclosures: (2)
cc: . Town Board
XASOHT(Town of Southold)-10900\2008\SOHT0801 (Southhold Landfill)\01-REPORT\Report\SOHT_08-0602_gmw-report.doc
CELEBRATING 75 YEARS A C
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TABLE 1
TOWN OF SOUTHOLD LANDFILL
LANDFILL MONITORING PROGRAM
GAS MONITORING WELLS RESULTS
May 28, 2008
Parameter Unit GMWA GMW-2 GMW-3 GMW-4 GMW-5 GMW-6 GMW-7 GMW-8 GMW-9 GMW-10 GMW-11 GMW-12 GMW-13 GMW-14 GMW-15
Ox en % 20.5 21.0 20.7 20.9 19.8 19.0 20.9 20.5 21.1 17.1 20.3 19.2 19.8 20.0 20.2
Carbon Monoxide PPM 0 0 0 0 2 0 0 1 0 0 0 0 0 0 0
Lower Explosive Limit % 0 0 0 0 1 18 0 0 0 1 6 0 0 0 0
Hydrogen Sulfide PPM 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
NOTES:
Typical atmospheric levels of oxygen range between 19.5%and 23.5%
SOHT_08-0602_gmw-report-tablei.xls Holzmacher, McLendon and Murrell, P.C. Page 1 of 1
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