HomeMy WebLinkAboutBack-Up DocumentsMemorandum IRS.`
Date: March 11, 2014
To: Honorable Bruno A. Barreiro
Board of County Commissioners -District 5
From: Carlos A. Gimenez
Mayor
Subject: Notice of Environmental Contamina _n in Commission District 5
On March 3, 2009, the Board of County Commissioners adopted Resolution No. R-227-09 requiring
that when environmental contamination is identified by the Department of Regulatory and Economic
Resources Division of Environmental Resources Management (DERM), the Commissioner in whose
District the environmental contamination is located shall be notified of such.
Pursuant to R-227-09, please be advised that the attached letter was sent to the party responsible for
site rehabilitation on March 3, 2014 due to documented soil contamination. There is no evidence of a
direct exposure risk to the contaminated soils since the site has been closed to the public. The
owner/operator/responsible party must perform site rehabilitation action in order to bring the site into
compliance with Chapter 24 of the Code of Miami -Dade County.
The summary of this case is noted below:
Subject
Environmental Contamination
Facility Name:
City of Miami Southside Park
DERM File #:
HWR-779
Facility Address:
100 SW 11 Street, Miami, Florida in Miami -Dade County
Folio Number:
01 0208 050 1010
Description/Nature of Violation:
Environmental contamination requiring site rehabilitation action
pursuant to Division 3, Contaminated Site Cleanups, Chapter 24,
Code of Miami -Dade County, Florida.
Should you have any questions or require additional information, please contact Mr. Lee N. Hefty,
Director, Division of Environmental Resources Management, Department of Regulatory and Economic
Resources at (305) 372-6754 or by email at hefty)@miamidade.gov.
Attachment: Site Rehabilitation Order for Environmental Contamination
c: Jack Osterholt, Deputy Mayor/Director, Department of Regulatory and Economic Resources
Lee N. Hefty, Director - Division of Environmental Resources Management - RER
M IAM MQADE 0Z
Carlos A. Gimenez, Mayor
March 3, 2014
CERTIFIED MAIL NO.7011 0470 0002 4387 5199
RETURN RECEIPT REQUESTED
Alice Bravo, Assistant City Manager
City of Miami
444 Southwest 2nd Avenue
Miami, Florida 33130
Department of Regulatory and Economic Resources
Environmental Resources Management
701 NW 1 st Court, 4th Floor
Miami, Florida 33136-3912
T 305-372-6700 F 305-372-6982
miamidade.gov
Re: Site Assessment Report (SAR) dated January 30, 2014 and Sampling Plan dated February 18,
2014 and prepared by TY LIN International/HJ Ross for the City of Miami Southside Park
(HWR-779) located at, near, or in the vicinity of 100 SW 110, Street, Miami, Miami -Dade County,
Florida.
Dear Ms. Bravo:
The Department of Regulatory and Economic Resources -Division of Environmental Resources
Management (DERM) has reviewed the above -referenced documents received February 4, 2014 and
February 18, 2014, respectively, and offers the following comments:
1. Provide the location, boring logs, laboratory data, and chain of custody for the December 17,
2013 Southside (1)(0-0.5) and Southside (2)(0-0.5) soil borings listed on Table 1 Soil Analytical
Summary.
2. Soil boring logs are not in the appropriate format. Provide soil boring lithology information on log
sheets such in the attached sheet. In addition, further describe the material considered
construction debris versus ash.
3. Soil analytical samples were composite samples of intervals of 4 feet and were also taken from
depths 0-4 feet, 8-12 feet, or 12-16 feet. These intervals and depths are not representative of
surface and subsurface conditions at the site. DERM concurs with the recommendation that
additional soil characterization be performed at the site.
4. The full horizontal and vertical extent of both ash/solid waste impacts and contaminants above
applicable cleanup target levels are required to define both on and off -site impacts.
5. Regarding the proposed Sampling Plan:
• A sampling grid within the park boundary for areas impacted with ash/solid waste
within the upper 2 feet is necessary. The plan shall be developed utilizing a
sampling grid pattern consisting of appropriately sized grids (e.g., 50 feet by 50
feet). Please note that the next available soil boring with no material in the upper
2 feet or the park boundary shall be used as the defining point in any given
direction. Within each selected sampling grid, a single discrete sample shall be
collected from the interv,I, eLtr'rLjrrp�sed�irf�YHowever,
include PAHs in the archived samples with PCBs and Dioxins. Furthermor'3
Selenium and Silver are not required. The play ground area shall also
included for discrete sampling. I
Existing soil boring data indicates that ash/solid waste material extends to the
property boundary in all directions. Therefore, off -site delineation shall be
conducted from all boundaries. The off -site borings proposed are not sufficient to
address this matter. The consultant shall propose a plan for representative
locations off -site along the boundary of the entire park property. The next
accessible location shall be selected based on access issues (i.e. utilities,
buildings, etc.). Furthermore, locations such as open ground areas and
residences shall take priority in sample locations. Trenches or soil borings shall
first be installed and visually screened for ash/solid waste material. At any
location where material is identified, regardless of the depth, a soil sample shall
be obtained from the 0-6" and 6"-2-foot intervals for the proposed parameters (as
modified above and including the archiving the samples for the PCB, PAH, and
Dioxin analysis). Immediate notification to DERM shall be provided for any off -
site site parameters that exceed applicable CTLs.
The sampling plan shall include a representative number of monitoring wells to
allow for groundwater assessment depending on the soil sampling results.
Monitoring well placement may be adjusted depending on the proposed site
closure. For conditional closure, wells may be limited to establishing boundary
conditions. Any irrigation wells present at the site shall be sampled for the
proposed parameters, including dioxins and PCBs (and as modified above).
® A proposal for methane assessment adjacent to structures and at the park
boundary may be necessary depending on the type of solid waste documented.
Be advised that the levels of soil analytical results submitted in this report constitute violations of
Chapter 24, Code of Miami -Dade County (the Code), specifically, Sections 24-44, 24-27, 24-28, and
24-29 of the Code.
Based on the above, and pursuant to Sections 24-7(15), 24-7(26), and 24-44(2)(g) of the Code, you are
hereby ordered to submit to this office for review a Site Assessment Report (SAR) prepared in
accordance with Section 24-44(2)(j)(iv) of the Code. Specific guidance for the preparation of the SAR
may be downloaded from DERM's web page at: www.miamidade.cov/environmeni/pollution-
remediation.aso. However, an addendum to the Sampling Plan addressing the above comments shall
be submitted within thirty (30) days upon receipt of this letter.
Ms Bravo
March 3, 2014
HWR-779
Page 3 of 3
Be advised that failure to comply with above orders may result in enforcement action.
If you have any questions concerning the above, please contact Thomas Kux, P.G., at (305) 372-6700.
Sincerely,
Wilbur Mayorga, P.E., Chief
Environmental Monitoring and Restoration Division
WM/tk
ec: Jeovanny Rodriquez, City of Miami - ieovannyrodriauez &,,miamigov.com
Lee Hefty, Director, DERM
Florida Department of Environmental Protection o Division of Waste Management - Bureau of Petroleum Storage Systems
Page I of
Boring/Well Number: Permit Number: FDEP Facility Identification Number:
Site Name:
Borehole Start Date:
Borehole Start Time: j` AM ["" PM
End Date:
End Time: AM r PM
Environmental Contractor:
Geologist's Name:
Environmental Technician's Name:
Drilling Company:
Pavement Thickness (inches):
Borehole Diameter (inches):
Borehole Depth (feet):
Drilling Method(s): Apparent Borehole DTW (in feet Measured Well DTW (in feet after OVA (list model and check type):
from soil moisture content): water recharges in well): I I r— FID r— PID
Disposition of Drill Cuttings [check method(s)]: Drum Spread Backfill r Stockpile` Other
(describe if other or multiple items are checked):
Borehole
Completion
(check one):
r
Well
r Grout
[� Bentonite [� Backfill j` Other
(describe)
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Lab Soil and
m
m
g
A �,
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Groundwater
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Sample Description
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.,
Samples past
(include grain size based on USCS, odors, staining,
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sample number
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and other remarks]
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and depth or
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Cr
temporary screen
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interval
1
2
3
4
5
6
7
8
9
10
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12
Sample
Type Codes:
PH = Post
Hole; RA
= Hand
Auger;
SS = Split
Spoon; ST = Shelby Tube; DP = Direct Push; SC = Sonic
Corc;
DC
= Drill Cuttings
Moisture
Content
Codes:
D = Dry;
M =
Moist;
W = Wet;
S = Saturated