oEPA
               United States
               Environmental Protection
               Agency
            Office of
            Solid Waste and
            Emergency Response
DIRECTIVE NUMBER:  9481.05(85)

TITLE: Indicator Parameters at Sanitary Landfills



APPROVAL DATE: 6-13-85

EFFECTIVE DATE: 6-13-85

ORIGINATING OFFICE: office of solid waste

E FINAL

D DRAFT

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PARTS 264-265  SUBPART F - GROUND-WATER PROTECTION
                                                DOC:  9481.05(85)
Key Words:

Regulations:

Subject:

Addressee:



Originator:


Source Doc:

Date:

Summary:
Sanitary Landfill, Ground-Water Monitoring,  Municipal  Landfill
Indicator Parameters at Sanitary Landfills

Natalie C. Pien, Department of Environmental Protection,
Division of Environmental Planning and Monitoring,  Executive
Office Building, Rockville, Maryland 20850

Burnell W. Vincent, Program Manager, Ground-Water
Protection Program, Office of Solid Waste

#9481.05(85)

6-13-85
    The Agency does not recommend dissolved oxygen as a key indicator of
ground-water contamination by a sanitary landfill because of its high
vari-abili ty, which is unrelated to contamination.

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                                                              9481.05  (85)

                                 JUN  13
Vatalla C. Plan
Department of Bnv. Protection
Diviaion of Environmental
 Planning and Monitoring
Bxeetttlve Office Building
Roehville, Maryland  20830

Dear w».Piemt
     In roar: letter of June 6,  1985, yoa aeked for oar opinion on
th* value of diaeolved oxygon  (D.O.) ae  a key indicator of ground-*
water oontamination by a aanitary  landfill.*  Me do not raconomnd
ita g^naral oa« b«oaua« of its  high variability unrelated to
contaaination.  8«aaonal« apaclal, and gaoohaaieal influeaeaa in
D.O, l«*ela can obaoor* thoaa enangaa  that are due to the. preeeneet
of eoataadnanta.                                    '    •
 ;    siaoe SPA doe« not regulate attnieipal aaaitary landfills,
wi» are. not itt the best poeition to  i •meaminl oelection of beat
or locally appropriate indicator paraaetera*  Therefore*  Z aa
forwarding your- letter to the Maryland traato Management
Adaiaiatraticiu  Z am aura that John Lawther of that office
        helpful iJi auggeating an effective parameter anlte.
       ' •        •.           ... •'

                                Sincerely,
                                      11 W.  Vincent
                                        Manager
                                OYound-Water- Protection Program
                                Office of Solid Waate (WH-565K)
                       Adminiatration
                     Street* Koom 212
                     21201
                legion III
    f "' .
BVincentJvhtWH-565E tOSWt rra2102M 1382-4658 :06/12/85: dak

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