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USE Control Procedure
SOIL AND GROUNDWATER CONTAMINATION
(HSE-CP15)
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SOIL AND GROUNDWATER CONTAMINATION
HSE Control Procedure
AUTHORISED FOR ISSUE BY HSE MANAGER
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DOCUMENT AUTHORISATIONDocument Owner Document Review
HSE Manager
TAKREER
Abu Dhabi
AGM (Technical)
TAKREER
Abu Dhabi
Document Approval
General Manager
TAKREER
Abu Dhabi
Signature Signature Signature
The following is a summary of the most recent revisions to this HS E Man ageme nt S ystem (H S E MS )
Control P rocedure. The Document Owner holds details of all revisions prior to this version.
Version No. Issue Date Effective Date Scope/Remarks
Version 1 May 2005 To be announced* Original.
User Notes
This do cument is available for use and is accessible to all T AK R E E R employees and contractors .
The requirements of this document are mandatory. Non-compli ance shall only be author ised by
AGM(T) through a STEP-OUT approval (see HSE MS Manual).
A controlled copy of the current vers ion of this document is available from the T AK R E E R Intranet.
Before making reference to this document, it is the user's responsibility to ensure that the hard copy,
or electronic copy, is current. For assistance contact the Document Owner.
* This version of the HSE MS Control Procedure is issued for the purpose of training and familiarisation. An effective date forthis HSE MS Control Procedure will be announced.
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R3E-CP15
SOIL AND GROUNDWATER CONTAMINATIONTAKREER
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HSE Control Procedure
1 PURPOSE
This P roce dure descri bes TAK R E E R 's min imum requirements for managing soil and groundwater
contamination.
2 SCOPE
This P rocedure shall be applicable to all TAK RE ER sites. TAK RE ER is not liable for soil and
groundwater contamination at contractor sites. However, contractors will be encouraged to adopt
compatible procedures.
3 DEFINITIONS
BPEO Best Practicable Environmental Option. Equivalent to A L A R P in P ollutionP revention and Control. The outcome of a systematic consultative and decision
making process which emphasises the protection and conservation of the
environment across land, air and water. BP E O establishes for a given set of
objectives, the option that provides the most benefits or the least damage to the
environment, as a whole, at acceptable cost, in the iong term as well as in the
short term.
BA T Best Available Techniques . Equivalent to ALARP in Pollution, Prevention and
Control. BAT minimises the pollution that may be caused to the environment
taken as a whole, using best available techniques and having regard to BPEO
4 BACKGROUND This P rocedure covers the identification, monitoring and remediation of soil and groundwater
contamination at TA K R E E R facilities.
5 RESPONSIBILITIES
5.1 AGM(T)
AGM(T) is responsible for the initial identification and assessment of soil and groundwater
contamination at existing operations through the HS E IA process (H5E -C P 26 Health, Safety and
Environmental Impact Assessment CHSEIA)).
He is
also responsible for
ensuring that contaminated sites are
restored as
near as
possible to
theiroriginal condition after ciosure.
5.2 Division Managers
Division Managers shall ensure that all sources of ground contamination are prevented or, where this
is not practical, minimised, in accordance with P P C objectives
Division Managers are responsible for ensuring that soil and groundwater contamination in their area
of responsibility (including contractor activities systems) is managed in accordance with the
requirements of this P rocedure .
Division Managers shall ensure that competent personnel are employed to manage soil and
groundwater contamination. Sufficient budgets shall be available to manage soil and groundwater
contamination to an acceptable or AL AR P level.
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SOIL AND GROUNDWATER CONTAMINATIONTAKREER. t
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HSE Control Procedure
In the event that circ umstances prevent compliance with this P rocedure, Divis ion Managers shall seek
the advice and if necessary, a 'Step-out Approval' from the Document Authority.
5.3 Corporate HSE Manager
The Corporate HS E Manager shall provide suitably qualified HS E Engineers in order to provide
guidance and assistance to the refineries on an as needs basis.
Corporate HS E Department is responsible for ensuring that the requirements of this P rocedure are
reflected in the documents for which they are responsible.
5.4 Safety Environmental and Fire Manager
The S E F Manager at each refinery shall have overall responsibility for the management of soil and
groundwater contamination, including sources of contamination identified through the HS E IA process.
He shall ensure that risk assessments include soil and groundwater contamination issues and thatrecommendations arising from risk assessments and are implemented.
Individual control measures identified, e.g., the repair of leaking tanks or changes of procedures to
reduce contamination, may be the responsibility of other Department Managers, e.g., Operations or
Maintenance.
S E F M anager shall ensure that soil and groundwater contamination that has been identified is
• S ampled and analysed as appropriate.
• Quanti fied (either by direct measurement or using appropriate methods of estimation).
• Recorded, as appropriate.
• Reported, as appropriate.
The S E F Manager shall ensure that all workers and on-site contractors have received, as part of
induction or other training, information regarding the need to avoid contaminating soil and
groundwater, e.g., by spillages of oil or chemicals.
5.5 Contractors
Contractors are responsible for ensuring that soil; and groundwater is not affected as a result of their
activities, and that it is managed in accordance with the requirements of this P rocedure. Any
contamination or potential contamination at Takreer sites should be reported to the contract holder.
6 METHOD
6.1 Site Report
In accordance with ADNOC CO P on P ollution Prevention and Control fCOP V2-02), a Site Report to
establish the baseline soil and groundwater conditions shall be prepared. This will be undertaken as
part of the HS E IA process (HS E -C P 26 Health, Safety and Environmental Impact Ass es sment
(HSEIA)). For existing sites, responsibility is with AGM(T) and for new sites with Manager P CD.
The Site Report shall identify any substance in, on or under the land which may be a pollution risk. It
must aiso record any pollution incidents, such as spillages, that may have occurred at the site and
details of measures put in place to mitigate their effects.
Appendix A provides a iist of contaminants that shall be used as the basis for the Site Report.
In preparing the site report particular attention shall be given to assessing and monitoring analytical
performance. Methods include the use of:
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HSE-cPia T A K i i i ©
SOIL AND GROUNDWATER CONTAMINATION им*,***^***We Refine Right
HSE Control Procedure
• F ieid and trip blanks - these shall be prepared and analysed to check on possible
contamination, losses or deterioration of samples.
• S piked s amples - these shall check the accuracy of methods and procedures. This is more
readily carried out with homogeneous matrices s uch as water rather than heterogeneous soil
samples.
• Dupl icate samples - these shall be sent to two or more laboratories to check consi stency.
A DN OC has not published soii and groundwater quality standards applicable to T AK R E E R facilities.
The soil and groundwater quality standards {Dutch Intervention L evels) that shal l be used by
T AK R E E R are provided in Appendix A.
6.2 Risk Assessment
To ensure ongoing man ageme nt of soil and groundwater contamination risks, risk ass es sments
carried out according to CP-25 HS E Risk Assessment shall include consideration of soil andgroundwater contamination:
Risk assessments should:
• Identify known historical practices which may have lead to soil and groundwater
contamination
• Identify potential current sources of soil and groundwater contamination. These could include
(but are not limited to)
о spillages of crude oil, products and chemicals
о Leaking above ground or underground storage tanks
о Leaking chemical drums
о Leaching from waste storage or treatment areas
о Leaking drainage sys tems
о Plant and operations situated on unsealed sites
о Liquid discharges to the desert. It should be noted that ADNOC does not permit
discharge of mineral oils and hydrocarbons to groundwater. Full details of restrictions
on discharges to groundwater are given in COP V2- 02 P ollution P revention and
Control, and C OP V2-01 Environmental Impact As sess ment.
• Dec ide what might be harmed, and how. This could include, for instance, contamination of
potable water aquifers or migration of contaminants to the marine environment with resultant
harm to sea life.
• E valuate the risks associated with soil and groundwater contamination and dec ide whether
existing control measures, monitoring programmes and remedial measures are adequate or
whether more precautions should be taken.
The need for remedial measures should be considered against the intended use of the land or
groundwater and what harm has been caused. R emediation should only be undertaken after a Tier 2
Environmental Risk Assessment has been carried out (see HSE -CP25 HSE Risk Assessment). Any
remedial measures undertaken shall be the responsibility of SEF Manager. In carrying out site
remediation/restoration, the following approaches s hould be considered.
• Removing , treating or immobilising any pollutants.
• R emedying any harm the pollutants have caused.
• Mitigating the effects of any harm.
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HSE Control Procedure
6.3 Site Closure
On closure of the facility, the AG M(T ) shall be respons ible for the preparation of a clos ure Si te Report
for compar is on with the baseline S ite Report (Section 6.2). Th is will form part of the P has e 4 H S E IA
Report.
AG M(T ) shall ens ure that the site is res tored as far as practicable to its original condition, taking into
consideration the intended future use of the site and an ass es sment of the environmental risks .
6.4 Reports and Records
Full records shall be kept and maintained for all risk assessments performed and shall also include a
record of their review and update.
Other R eports and Records which must be maintained are:
• S ite R eport
• C losure S ite Report
• Re ports of monitoring and remediation programmes
• R ecords of oil and chemical spills and other possible causes of soil and groundwater
contamination.
6.5 Performance Monitoring
Reporting of any incidents which could cause soil and groundwater contamination should be carried
out according to HS E -C P 30 HSE P erformance and Reporting.
7 PERFORMANCE MEASURES
C ompl iance with this procedure shall be assess ed by:
• C ompliance with requirements to produce site report and closing site report
• Numbe r of risk ass essments which consider soil and groundwater contamination
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НЗЕ-СР15
SOIL AND GROUNDWATER CONTAMINATION
HSE Control Procedure
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8 CROSS REFERENCES
ADNOC HSE MS Requirements ADNOC HSE MS Guidelines
ADNOC HSE Risk Management Guidelines
ADN OC Guidelines on Usable Ground Water P rotection
Element 4: HS E R isk Evaluation and Manage ment
E lement 6: Implementation and Monitoring
ADNOC Codes of Practice ; C OP V2-02: Pollution P revention and Control
COPV2-01: Environmental Impact Assessment
T AK R E E R P oiicies TAKR E E R Business and HS E Policy
TAK R E E R HS E P rocedures HSE-CP11: Prohibited Substances
HS E -C P 14: Releas es to Controlled Water, Sewer and L and
TAK R E E R HS E P rocedures
HS E -C P 27; Incident Handling and investigation
Other Requirements ISO 5667 Guidance on Sampling of Groundwater
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SOIL AND GROUNDWATER CONTAMINATION
HSE Control Procedure
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Appendix A
Soil & Groundwater
Quality Standards
(Dutch intervention Values)
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USE Control Procedure
1 C ontaminantSoil Sediment
{mg/kg dry weight)
Groundwater
(MS/I)
Metals Optimum Action Optimum Action
Arsenic 29 55 10 60
Barium: 200 625 50 625
: Cadmium 0.8 12 0.4 6
Chromium :;?|;|:: 100 380 1 30
Cobalt 20 240 20 100
Copper. 36 190 15 75
Lead 85 530 15 75
Molybdenum 10 200 5 300
: Nickel . 35 210 15 75
Mercury . 0.3 10 0.05 0.3
Zinc 140 720 65 800
Cyanides Optimum Action Optimum Action
t Free 1 20 5 1500
Complex (pH<5) f 1 ) 5 650 10 1500
Complex (pH>5) ( 1 } v 5 50 10 1500
Thiocyanate- -
20 1500
Aromatics Optimum Action Optimum Action
Benzene ./" 0.05[d] 2 0.2 30
Ethylbenzene 0.05[d] 50 0.2 150
Phenol:; 0.05[d] 40 0.2 2000
Toluene 0.05[d] 130 0.2 2000
:; Xylene 0.05[d] 25 0.2 70
Cresol - 5[d] - 200
Catechin - 20 - 1250
Resorein - 10 - 600
Hydroquinone - 10 800
HSE-CF15
SOIL AND GROUNDWATER CONTAMINATION
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HSE Control Procedure
1 ContaminantSoil Sediment Groundwater
1 Contaminant(mg/kg dry weight) (мая)
Polycyciic Aromatic
Hydrocarbons (PAH)
Optimum Action Optimum Action
Anthracene - - 0.02 5
Benzd(a)pyrene | - - 0.001 0.5
Fluoroanthrene • - 0.005 1
Naphtaiene - 0.1 70
Phenanthrene - 0.03 5
Benzo(a)anthracene - - 0.003 0.05
Benzo(a)fluoranthrene :- 0.003 0.5
Benzo(k)fluoranthrene , - -
0.001 0.05
Benzo(g,h,i)perylene - - 0.0002 0.05
: tndeno!(1,2,3-c.d)pyrene :i - 0,0004 0.05
Total P AH ; 2 : {' c ; 1 40 - -
Chlorinated
Hydrocarbons
Optimum Action Optimum Action
1,2 Dichloroethane V/ :.:J - 4 0.01 [d] 400
Dichloromethane [d] 20 0.01 [de] 1000
Tetrachloromethane i\ 0.001 1 0.01 [d] 10
Tetrachioroethane : : 0.01 4 0.01 [d] 40
Trichiorom ethane 0.001 10 0.01[d] 400
" Trichloroethene 0.001 60 0.01 [d] 500
Vinylchloride - 0.1 - 0.7
Monochloro benzene И - 0.01 [d] 180
Dichlorobenzol (total) 0.01 - 0.01 [d] 50
Trichlorobenzo! (total) 0.01 - 0.01[d] 10
TetrachIorobenzol (total) 0.01 - 0.01[d] 2.5
Pentachlorobenzene 0.0035 - 0.01[d] 1
Hexachlorobenzene 0.0025 - 0.01[d] 0.5
Chlorobenzenes { З И 1 0 > :- 30 - -
Mohochlorophendl Ш Ш - 0.0025 - 0.25 100
Dichlorophenol 0.003 - 0.08 30
• Trichlorophenol 0.001 - 0.025 10
Tetrachiorophenol 0.001 - 0.01 10
Pentachiorophenol 0.002 5 0.02 3
Chlorophenols (total)( 4 ) ( 1 0 ) • - 10 - -
Chioronapthylene - 10 - 6
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HSE-CP15 T A K i ^ #
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HSE Control Procedure
1 C ontaminantSoil Sedi ment
(mg/kg dry weight)
Groundwater
(нал)
PolyChloroBiphenyls (total) (5 ) 0.02 1 0.01 0.01 [d]
Pesticides Optimum Action Optimum Action
DDT/DDD/DDE (total) (6 ) 0.0025 4 [d] 0.01
Aldrin 0.0025 - [d]
Dieldrin 0.0005 - 0.02ng/i -
Endrin 0.01 fd] - -
Drins (total) - 4 - 0.1
alpha HCH 0.0025-
id]-
Beta HCH 0.01 - [d] -
Gamma HC H 0.05 ug/l - 0.2 ng/l -
HCH combined ( 7 )- 2 - 1
Carbaryl - 5 0.01 [d] 0.1
Carbofuran - 2 0.01[d] 0.1
Maneb - 35 M 0.1
Atrazin 0.05 pg/l 6 0.0075 150
Miscellaneous Optimum Action Optimum Action
Tetrahydrofuran 0.1 0.4 0.5 1
Pyridine 0.1 1 0.5 3
Tetra h yd roth i op h e n e 0.1 90 0.5 30
Cyclohexanone 0.1 270 0.5 15000
Styrene 0.1 100 0.5 300
Mineral O i l ( 9 ) 50 5000 50 600
Phthalates (total) 0.1 60 0.5 5
Values are for a Standard Dutch Soil (10% organic matter and 25% dry content)
[d] = Detection Limit.
1. Acidity: pH (0.01 M CaCI2) The 90 percentile of the measured value is used to determine the pH value.
2. PAH (total of 10) is the total of Anthracene, Benzo(a)anthracene, Benzo(a)fluoranthrene,
Benzo(g,h,i)perylene, Benzo(k)fluoranthrene, Chrysene, Fluoroanthrene, lndenol(1,2,3-c,d)pyrene,
Naphtaiene, Phenanthrene.
3. Chlorobenzenes are the total of all chlorobenzenes (mono-, di-, tri- ,tetra-, penta- and hexachlorobenzene).
4. Chlorophenols are the total of all chiorophenols (mono-, di-, tri-, tetra-, pentachlorohenols).
5. The action value for PCBs (Polychlorinatedbiphenyls) is the total of PCBs 28,52,101, 118, 153, 180. The
target value refers to the total excluding PCB 118.
6. DDT /DDD/DDE is the total of DDT, DDD, DDE .
7. Drins is the total of Aidrin + Dieldrin + Endrin.
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SOIL AND GROUNDWATER CONTAMINATIONT AKRE E RW
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HSE Control Procedure
8. HCH combined is the total of alpha, beta, gamma and delta HC H.
9. Mineral Oil is the sum of all alkanes (both straight and branch-chain) When contamination is due to mixtures
(e.g. petrol or heating oil), then the content of aromatic and/or polycyclic aromatic hydrocarbons must also bedetermined.
10. The total values for PAHs, chlorophenols and chlorobenzenes in the soil/sediment apply to the total
concentration of the compound belonging to the relevant category. If contamination is due to only onecompound of a category, the value used is the intervention value of that compound. Where there are two ormore compounds the value for the total of these compounds applies. For soil/sediment the effects are
directly additive. In the case of groundwater effects are indirect and are expresses as a fraction of theindividual values before being summed.
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