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DOCUMENT NO.ENV-RP-PC-01
REV.
1
DATE: 24 FEB 06 SHEET: OF
Prepared RGS Date 24 Feb 2006
Checked KNC Date 24 Feb 2006 Approved DGA Date 24 Feb 2006
PIT CLOSURE PROCEDURE
REV DATE PAGES DESCRIPTION PRP’D CHK’D APP’D
0 24/02/06 ALL ISSUED FOR REVIEW & APPROVAL RGS KNC DGA
1 17/09/07 14/15 REVISED ANALYTICAL METHOD FOR TPH, USEPA 8015 B
HHW KNC DGA
PT. Chevron Pacific Indonesia
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PIT CLOSURE PROCEDURE
1. Preparation
a. Inform all stakeholders and confirm framing for pit closure.
b. Prepare all HES procedures (including Emergency Response Plan, General WorkPermit and SOP/JSA).
c. Conduct tail gate meeting and install appropriate barrier tapes.
d. Isolate all incoming line and discharge at the pit.
e. Survey the location to determine the location of improperly closed pit referring tothe drawing to establish the plan area of contaminated soil.
2. Excavation of Improperly Closed Pit
a. Excavate the pit from the center of pit location and move outward until discoverthe Crude Oil Contaminated Soil (COCS). Stop or change the excavation
direction if does not find any COCS in the pit as per reference drawing. b. The clean soil (uncontaminated) shall be stacked and segregate from COCS.
c. Care shall be taken during excavation such that uncontaminated soil within the pit does not get contaminated.
d. COCS shall be stacked separately from uncontaminated soil.
3. Liquid Removal
a. Take the floating oil using vacuum truckand send to Gathering Station (GS) for oilrecovery.
b. Empty the liquid (oily water) usingvacuum truck and send to GS.
c. Record the total volume of water and oilthat was removed from the pit.
d. Use Worksheet A EP-18 PT CPI PitManagement Guidelines to record the
volume of pit content.
4. Removal of Crude Oil Contaminated Soil (COCS) and Oily Debris
a. Take and send samples to CPI Laboratory for sampling analysis of TotalPetroleum Hydrocarbon (TPH) and Total Heavy Metals (THM) for COCS in the
pit prior to remove it.
i. If the test result shows below acceptable limit as per EP.18 PT CPI PitManagement Guideline, than the pit can be closed.
ii. If the test result is higher than acceptable limit as per EP.18 PT CPI PitManagement Guideline but TPH is lower than 15% of oil concentration,than COCS can be excavated and send to nearest Soil BioremediationFacility (SBF)
iii. If the test result of TPH is higher than 15% of concentration, than COCSshall be mixed with the less contaminated soil to achieve 15% ofconcentration before sending to SBF.
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iv. For COCS from Heavy Oil facility, COCS shall be sent to Darling site inDuri.
b. Remove the COCS and oily debris in the pit bottom and side with excavator. Donot use methods by using imported clay (to dump imported clay to one side of pit
bottom to push the oily sludge) since it will prevent complete removal of COCS
(especially at the pit bottom) and it creates more COCS to be treated.c. Mix the oily sludge at the pit with clay by ratio 1:1 (if more than 15% TPH) to
make it more solid and safe for transportation.
d. Excavate (remove) the pit bottom, side and ditch to canal until clean and no oilstained (until reaching native clay) for 2 feet.
e. Send the COCS and oily debris to Soil Bioremediation Facility (SBF) usingdump truck (tail gate truck) for further treatment. For COCS from Heavy Oil
shall be sent to Darling site in Duri.
f. Record the total solid (COCS) removed from the pit using Hazardous WasteManifest form (EP.14 PT CPI Waste Management Guideline).
g. Use Worksheet A of EP-18 Pit Management Guidelines to record the volume of
solid removed from the pit.
5. Pit Sampling and Analysis
a. Pit Bottom Sampling
Take soil samples (by qualified personnel from third party laboratory) of pit after
the pit is visually clean from COCS and oily debris; refer to sampling proceduresas per EP-18 PT CPI Pit Management Guidelines.
i. Sampling Equipment
Auger s or pipes (2.25” ID) or hole digger.
Jars (500 ml glass) Teflon-lined lids, 3 per compositesample.
Coolers, 40-50 L
Blue ice packs
Labels
Tape
ii. Cleaning & Cleanliness
Clean all sampling equipment
COCS excavation Pit after excavation of
Pit sampling
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by washing in detergent and de-ionized water followed by rinsingwith de-ionized water. Sampling equipment must be kept clean to
avoid cross contamination of samples.
The person taking the samples should wear latex or nitrile gloves.
iii. Labeling
Label each sample by including the OU, field location, site location,date, time and person collecting the sample.
Record in the logbook for recording samples and their location.
iv. Composite Sampling
Ensure that the auger or pipe is clean before sampling
Choose the sampling locations randomly prior to arriving on site
Position the auger on the surface of the site and twist the auger
Sample to a depth appropriate for each site type
Place the sample in a clean plastic pail
Move to the next sampling location Mix the 10 samples in the bucket thoroughly with a clean stainless
steel spoon or spatula to make a composite sample
Sub-sample the composite and fill 3 pre-cleaned 500 ml jar with aTeflon liner
Ensure the sample is properly labeled and note the collection on thechain-of-custody form
Store the sample in a cooler containing Blue-ice
Before leaving the site, clean the sampling apparatus
v. Sample size
3 samples – 500 ml each for hydrocarbon and metal analysis. 1 jar of sample sent to PT CPI Lab for analysis.
1 jar of sample sent to Third Party Lab (outside CPI lab) for analysis.
1 jar of sample should be retained for future analysis in case ofsuspected laboratory errors.
vi. Example of random sampling grid (map)
vii. Recording
Record the sampling information on the Worksheet C EP-18 PT CPIPit Management Guidelines.
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b. Background Sampling
Take 5 random samples from surrounding pit which is not contaminated.
Compose the samples into 1 composite and put it in the jars (refer to methodof composite sampling above – point 4.a.iv).
2 samples – 500 ml each for hydrocarbon and metal analysis.
1 jar of sample sent to PT CPI Lab for analysis (same analysis with pitsamples).
1 jar of sample sent to Third Party Lab (outside CPI lab) for analysis (same
analysis with pit samples). Record the sampling and analysis information on the Worksheet B
c. Analysis
The analysis of pit bottom samples and background samples consists of:
Oil content as TPH using EPA 8015-B method
Total Metals concentrations
pH
The detail of analysis method and acceptable concentration can be found inattachment below (refer to Table 1 and table 2 EP-18 PT CPI Pit Management
Guidelines).
6. Pit Isolation
a. Isolate the inlet ditch or pipe by closing permanently the inlet.
b. Dismantle the discharge or siphon to canal (if any).
c. Install barricade (use yellow tape) to prevent unauthorized person entering the pitlocation.
N
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 0
1 2 3 4 5 6 7 8 9
10 11
12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 3 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49
X Origin
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7. Backfilling, Grading and Re-greening
a. Backfilling can be done if the pit already clean and the sample analysis meet or bellow the acceptable concentration limit (refer to Table 2).
b. The soil for backfilling must be clean and not contaminated.
c. Test the backfill soil for TPH, Total Metals, and SAR if not sure about the source
of backfill material.d. If the backfill soil analyses meet the acceptable concentrations, then it can be
used for backfilling.
e. Backfill and grade the surface so that it drains well and does not pool water.
f. Re-vegetate sufficiently to control soil erosion with grass and/or trees.
8. Recording
a. Record all the data of pit closure in Worksheet A, Worksheet B, Worksheet Cand Worksheet D of EP-18 PT CPI Pit Management Guidelines (attachedworksheets below).
b. Record all the oily waste generated from pit cleaning activity in HazardousWaste Manifest form of EP-14 PT CPI Waste Management Guideline (attachedworksheet below).
Pit after backfill Re reenin
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WORKSHEET A
PIT INFORMATION
CPI OU: HO SLN SLS HCT SCM
FIELD / SITE:
WELL NO. / CMTF / STATION:
LOCATION (coordinates or long. / lat.):
TYPE OF PIT:
APPROXIMATE PIT DIMENSIONS (LxWxD, m):
ESTIMATED VOLUME OF CONTENTS (m
3
):
TOTAL OIL WATER SOLIDS
DESCRIBE HOW PIT WAS OPERATED:
OTHER SITE FEATURES (proximity to residences, surface water, etc.):
SKETCH OR MAP ATTACHED: YES NO
PHOTOGRAPHS ATTACHED: YES NO
WORKSHEET PREPARED BY:
SBU:
PHONE:
DATE:
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WORKSHEET B
SAMPLING & CHARACTERIZATION OF PIT MATERIAL
SAMPLES:
DATE SAMPLE NUMBER MEDIA SAMPLED REQ. ANALYSES
ANALYTICAL RESULTS ATTACHED: YES NO
SAMPLE COLLECTION METHOD(S):
SAMPLES COLLECTED BY:
SBU:
PHONE:
DATE:
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WORKSHEET C
POST-EXCAVATION SAMPLING OF PIT
SAMPLES:
DATE SAMPLE NUMBER MEDIA SAMPLED REQ. ANALYSES
ANALYTICAL RESULTS ATTACHED: YES NO
SAMPLE COLLECTION METHOD(S):
SAMPLES COLLECTED BY:
SBU:
PHONE:
DATE:
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WORKSHEET D
CLOSURE SUMMARY
The following is a summary of the pit elimination activities that were conducted.
PIT DESCRIPTION / LOCATION:
ACTIVITY DATE(S)
Site photographs obtained prior to closure. Yes No
Pit content samples collected for analyses. Yes No
Liquid removed from pit. Yes No
Solids removed from pit. Yes No
Pit samples collected after remediation or Yes No excavation of contents.
Pit backfilled with clean soil and graded. Yes No
Surface planted to prevent erosion. Yes No
Site photographs obtained after closure. Yes No
OTHER INFORMATION
Approximately bbl of liquid were removed from the pit and disposed of by
Approximately m3 of solids
were managed onsite / offsite by
The appropriate closure endpoint was determined to be __
Pit analyses, after remediation or excavation, indicated average concentrations of
Work coordinated by Date completed
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HAZARDOUS WASTE MANIFEST
DOKUMEN LIMBAH B3
Please fill in on capital (Diisi dengan huruf cetak dan jelas)
THIS SECTION MUST BE COMPLETED BY THE GENERATOR/COLLECTOR (BAGIAN YANG HARUS DILENGKAPI OLEH PENGHASIL/PENGUMPUL LIMBAH B3)
1. B3 Generator/collector name and mailing address 2. Shipment location if different from mailing address (Lokasi pemuatan bila berbeda dari alamat perusahaan) :
(Nama dan alamat perusahaan penghasil/pengumpul) :
Telp. ::
Telp. : Fax :
Fax : 3 Generator registration No.(Nomor penghasil):
4. Shipping Description (Data Pengiriman Limbah B3) :
A. Physical state C. Hazard class E. UN/NA Code
(Jenis limbah B3) : (Karakteristik limbah) : (Kode UN/NA) :
B. Technical name if applicable D. Hazardous waste code
(Nama Tehnik, bila ada) : (Kode limbah B3) :
F. Packing group G. Unit of : (Satuan ukuran) H. Quantity of packages I. Peti kemas (Container)
(Kelompok kemasan) : Weight (Berat) : Ton (Jumlah total kemasan) : No. :
V olume (Is i) : M3 Ty pe ( Je ni s) :
5. Ad di tio na l des cr ip ti ons for mate ria l l is ted ab ove :
(Keterangan tambahan untuk limbah B3 yang tersebut diatas) :
6. (Special handing instruct ion and addit ional information) :
Instruksi penanganan khusus dan keterangan tambahan :
7. Emergency response contact Phone No. :
(Nomor telepon yang dapat dihubungi dalam keadaan darurat) :
8. Shipping purpose to (Tujuan pengangkutan ke) : Collector (Pengumpul) / Processor (Pengolah) / exploiter (Pemanfaat)*
Note/Catatan: (If the party filling this form is the collector, list the name of the generator whose waste will be transported, furnished with the appendix to copy of the docuent sent by the generator to the collector) :
Jika pengisi formulir ini adalah pengumpul B3 maka sebutkan nama penghasil limbah yang limbahnya akan diangkut disertai lampiran salinan dokumen limbah yang dikirim penghasil ke pengumpul
Producer / Collector certification :
I hereby declare that contents of this consignment are accurately described above the proper shipping description and have been packed and labelled and are in proper condition for transport by
highway according to GOI or international regulation).
Pernyataan perusahaan penghasil/pengumpul limbah B3 :
Dengan ini saya menyatakan bahwa limbah B3 yang dikirimkan sesuai dengan perincian pada daftar isian baku yang tersebut diatas, serta dikemas dan diberi label dan dalam keadaan laik untuk angkutan
di jalan raya sesuai dengan Peraturan Pemerintah RI atau peraturan internasional.
9. Name (Nama) : 10. Signature (Tanda Tangan ) : 11. Title (Jabatan) : 12. Date (Tanggal) :
THIS SECTION MUST BE COMPLETED BY THE TRANSPORTER (BAGIAN YANG HARUS DILENGKAPI OLEH PERUSAHAAN PENGANGKUT LIMBAH B3)
13. A. Transporters name and address 16. Bapedal registration No. (Nomor Pendaftaran Bapedal) :
(Nama dan alamat perusahaan pengangkut limbah B3) : 17. Vehicle identity ( Identitas kendaraan) : :
Truck No. (Nomor truk) :
14. Telp. Ship Name (Nama Kapal) :
15. Fax. Shipping Permit (Izin Pengangkutan) :
18. N ame (Nama) : 19. S ignature (Tanda tangan) : 20 Title (Jabatan) : 21. S hipping date (Tanggal pengangkutan) :
22. Sign date (Tanggal tandatangan) :
BAGIAN YANG HARUS DILENGKAPI OLEH PERUSAHAAN PENGOLAH/PENGUMPUL/PEMANFAAT LIMBAH B3
(THIS SECTION MUST BE COMPLETED BY THE PROCESSOR/COLLECTOR/EXPLOITER)
23. Processor/Collector/Exploiter* name and adress 24. Telp. : 25. Fax.
(Nama dan alamat perusahaan Pengolah/Pengumpul/Pemanfaat* limbah B3) :
26. Bapedal registration No. (Nomor Pendaftaran Bapedal) :
Processor/Collector/ Exploiter certification:
I Hereby declare that I have received the type and quantity of waste as described above by the Generator/Collector/Exploiter and that it will be processed according
to GOI or international regulations
Pernyataan perusahaan Pengumpul/Pengolah/Pemanfaat limbah B3 :
Dengan ini saya menyatakan bahwa saya telah menerima kiriman limbah B3 dengan jenis dan juml ah seperti tersebut di atas dan bahwa limbah tersebut akan diproses sesuai dengan peratu ran Pemerintah RI
atau peraturan internasional
27. Name (Nama) : 28. Signature (Tanda tangan) : 29. Title (Jabatan) : 30. Date (Tanggal) :
Discrepancy notification :
The following waste is not being accepted and will be returned to the generator.
Pernyataan ketidaksesuaian limbah :Setelah dianalisa, limbah yang disebutkan tidak memenuhi syarat sehingga selanjutnya akan dikembalikan kepada perusahaan penghasil limbah.
3 1. T yp e o f w as te ( Je ni s l im ba h) : 3 4. R ea so n f or r ej ec ti on ( Al asa n p en ol ak :
32. Quantity (Jumlah) : 35. Date returned (Tanggal pengembalian :
33. Bapedal Req. No. (Nomor Pendaftaran Ba: 36. Processor/collector signature (Tanda t:
* Cro ss out where not applicable (Coret yang tidak perlu)
Salinan : mengirim ke :
(Copy : Mails to : :
No.
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INSTRUCTION FOR FILLING OUT THE B3 WASTE MANIFEST
CARA PENGISIAN DOKUMEN LIMBAH B3
1. Generator/collector name and mailing adress(Nama dan alamat perusahaan penghasil/
pengumpul limbah B3)
(GS I, Area 1&2, Produce Team, Minas SBU; Minas Centralized Used LubOil Station)
Nama dan alamat jelas perusahaan penghasil atau pengumpul yang
mengirim limbah B3.
2. Shipment location if different from mailingaddress(Lokasi pemuatan bila berbeda dari alamat
perusahaan)
Not necessary to fill in(Alamat jelas lokasi pemuatan limbah B3)
3. Generator registration No(Nomor penghasil)
Not yet available at this time, suppose to be given by Bapedal(Nomor yang diberikan Bapedal kepada penghasil/pengumpul ketika
melakukan pelaporan)
4. Shipping Description(Data Pengiriman Limbah B3)
a. Physical state(Jenis limbah B3)
Solid; Liquid; Semi Solid; Semi Liquid(Keterangan jenis limbah B3 seperti bentuk Padat/Cair/Gas)
b. Technical name if applicable
(Nama Tehnik, bila ada)
Used lubricant oil; used grase oil; used hydraulic oil; used grease oil; used
reda oil; mud transformer oil(Sebutkan bila terdapat nama teknik limbah yang diangkut)
c. Hazard class
( Karakteristik limbah)
Explosive; volatile; reactive; poisson; infectious; corrosive; other). (For use
lube oil fill in : other(Karakteristik/sifat limbah seperti: mudah meledak, mudah terbakar,bersifat reaktif,beracun, menyebabkan infeksi, bersifat korosif, dan limbahlain)
d. Hazardous waste code(Kode limbah B3)
Not necessary to fill in(Kode limbah B3 pada daftar limbah B3 yang terdapat pada lampiran 1,1,3
PP 19 Tahun1994)
e. UN/NA Code
( Kode UN/NA)
Not necessary to fill in
(Nomor kode limbah yang dikeluarkan oleh PBB)
f. Packing group(Kelompok kemasan)
55 gallons; Container; 9000 liters; vacuum truck(Kemasan yang digunakan misalnya drum atau kontainer)
g. Unit of (Satuan ukuran) Weight (Berat) : Ton
Volume (Isi) : M3
(Clear enough) Jumlah dan satuan ukuran per kemasan.
h. Quantity of packages(Jumlah total kemasan)
Clear enough(Jumlah total kemasan dalam satu dokumen limbah)
i. Container (Peti kemas)
No.Type (Jenis)
Clear enough; if any
(Nomor serta jenis kontainer yang digunakan)
5. Additional descriptions for material listedabove:(Keterangan tambahan untuk limbah B3 yangtersebut diatas)
For used lube oil fill in : Not listed in Hazardous Waste code(- Keterangan tambahan bila limbah B3 yang diangkut tersebut terdapat
dalam kode limbah misalnya D221 katalis, D222 sludge, dll.)(- Tidak tercantum dalam kode limbah)
(- Mangangkut lebih dari satu kode limbah)
6. Special handling instruction and additionalinformation
(Instruksi penanganan khusus dan
Special instruction for emergency situation if required(Instruksi penanganan khusus bila terjadi keadaan darurat yang sesuai
dengan nomor pedoman penanganan kecelakaan)
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keterangan tambahan)
7. Emergency response contact Phone No.
(Nomor telepon yang dapat dihubungi dalamkeadaan darurat)
Not necessary to fill in
(Nomor telepon yang harus dihubungi bila terjadi keadaan darurat)
8. Shipping purpose to
(Tujuan pengangkutan ke)
Minas Centralized Used Lube Oil Strategy; Steam Generator CGS-3, Duri
SBU(Tujuan pengangkutan ke pengumpul atau ke pemanfaat atau ke pengolah ,
coret yang tidak perlu)
9. Name
(Nama)
Clear enough
(Nama penandatangan dokumen limbah B3 adalah petugas yang ditunjukoleh penghasil atau pengumpul yang mengirim limbah B3)
10. Signature
(Tanda Tangan)
Clear enough
(Tandatangan dari petugas yang ditunjuk oleh penghasil atau pengumpul yang mengirim limbah B3)
11. Title
(Jabatan)
Clear enough
(Jabatan penandatangan di perusahaan penghasil atau pengumpul yangmengirim limbah B3)
12. Date
(Tanggal)
Clear enough
(Tanggal pengiriman limbah B3)
For No. 13 through No. 22 consist of 3 sector A, B,and C. Letter A to be filled in by Transporter I, letter B to be filled in byTransporter II and letter C to be filled in by Transporter III
Nomor 13 sampai dengan 22 terdiri dari 3 (tiga) bagian yang sama (A, B, dan C) untuk diisi oleh pengangkut jika pengangkutanlimbah B3 berpindah alat angkut atau berpindah perusahaan pengangkut. dengan ketentuan sebagai berikut: Huruf A diisi oleh
pengangkut pertama (I), Huruf B diisi oleh pengangkut kedua (II), Huruf C diisi oleh pengangkut ketiga (III)
13. (Transporters name and address) (Nama dan alamat perusahaan pengangkutlimbah B3)
Clear enough : LMT or SBU Transportation(Nama dan alamat lengkap perusahaan pengangkut limbah B3)
14. No. Telp. Clear enough
(Nomor telepon beserta kode area perusahaan pengangkut limbah B3)
15. No. Fax. (Clear enough)
Nomor facsimile beserta kode area perusahaan pengangkut limbah B3.
16. Bapedal Registration No. (Nomor Pendaftaran Bapedal)
Not necessary to fill in(Nomor yang diberikan Bapedal saat perusahaan pengangkut memintarekomendasi)
17. Vehicle identity(Identitas kendaraan)
Clear enough(Nomor Polisi kendaraan atau nama kapal atau nomor kereta atau nomor
pesawat yang mengangkut limbah B3)
18. Name(Nama)
Clear enough(Nama jelas penanggungjawab dari perusahaan pengangkut yang
menandatangani dokumen limbah B3)
19. Signature(Tandatangan)
Clear enough(Tandatangan penanggunjawab dari perusahaan pengangkut limbah B3)
20. Title
(Jabatan)
Clear enough
(Jabatan di perusahaan pengangkut dari penanggungjawab yangmenandatangani dokumen limbah B3)
21. Shipping date
(Tanggal pengangkutan)
Clear enough
(Tanggal saat diangkutnya limbah B3)
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22. Sign date(Tanggal tandatangan)
Clear enough( Tanggal saat dokumen limbah B3 ditandatangani)
23. Processor/Collector/Exploiter* name andaddress
(Nama dan alamat perusahaan pengolah/ pengumpul limbah B3)
Steam Generator, CGS 3, Duri SBU
(Nama dan alamat lengkap perusahaan pengumpul atau pengolah limbah
B3)
24. No. Telp. Clear enough(Nomor telepon beserta kode area perusahaan pengumpul atau pemanfaat
atau pengolah yang menerima limbah B3)
25. No. Fax. Clear enough(Nomor facsimile beserta kode area perusahaan pengumpul atau pengolah
yang menerima limbah B3)
26. Bapedal Registration No(Nomor Pendaftaran Bapedal)
Not necessary to fill in(Nomor pendaftaran yang diberikan Bapedal saat perusahaan pengumpul
atau pemanfaat atau penghasil atau pengolah limbah B3 mendaftar)
27. Name (Nama) (Clear enough)
28. Signature (Tandatangan) (Clear enough)
29. Title (Jabatan) (Clear enough)
30. Date (Tanggal) (Clear enough)
31. Type of waste(Jenis limbah)
Not necessary fill in(Keterangan jenis limbah B3 seperti padat/cair/gas, organik/anorganik, dll)
32. Quantity
(Jumlah)
Not necessary filll in
(Jumlah total kemasan dalam satu dokumen limbah B3 yang ditolak)
33. Bapedal Reg. No.
(Nomor pendaftaran Bapedal)
Not necessary fill in
(Nomor yang diberikan Bapedal kepada penghasil ketika melakukan
pelaporan - lihat nomor 3)
34. Reason for rejection(Alasan penolakan)
Not necessary fill in (Alasan penolakan misalnya komposisi limbah B3 atau karakteristik yang
tidak sesuai dengan contoh)
35. Date returned(Tanggal pengembalian)
(Not necessary fill in)
36. Processor/collector signature(Tandatangan)
Not necessary fill in(Tandatangan penanggungjawab di perusahaan pengolah atau pengumpulatau pemanfaat limbah B3)
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TABLE 1
ANALYTICAL TEST METHODS
PARAMETER METHOD COMMENTS
Total Petroleum Hydrocarbons
USEPA 8015.B Total Petroleum Hydrocarbonanalysis by method 8015B is performed to analyze gasoline
range TPH (C2-C9) by purge &
trap and Diesel range (C9-C28)
by direct injection.
BTEX
SW-846 8021B Gas chromatographic method thatis suitable for quantifying volatile
organic compounds such as
BTEX
SW-846 8260B Alternative method to 8021B, based on gas chromatography.
Uses mass spectrometer for
quantification
PAHs
SW-846 8100 Gas chromatographic method thatis suitable for quantifying semi-
volatile PAHs
SW-846 8270C Alternative method to 8100, based on gas chromatography.
Uses mass spectrometer for
quantification
Total Metals
SW-846 6010 /
7470
Soil digestion by acid, ion
chromatography method used for
quantification of most metals(6010), cold vapor atomic
absorption for mercury (7470)
Electrical Conductivity (EC)ASA Method 62-
2.2
Extract of soil saturated with
water
Sodium Adsorption Ratio (SAR)SAR = Na
+ / ((Ca
++
+ Mg++
/ 2)1/2
)
Calculated from concentrations,
in milliequivalents / L, of Na+,
CA++, and Mg++ in a soil extract
Notes: USEPA -- US Environmental Protection Agency
SW-846 -- USEPA publication SW-846, entitled Test Methods for Evaluating Solid Waste, Physical/Chemical Methods ASA – American Society of Agronomy
PetroFlag – field TPH kit manufactured by Dexsil Corporation, Hamden, Connecticut
8/19/2019 Pit Closure Procedure
16/16
Pit Closure Procedure
Remediation-Envi ronmental Project-HOOU 15
PT. Chevron Pacific Indonesia
TABLE 2
ACCEPTABLE PIT CLOSURE CONCENTRATIONS
PARAMETER
ACCEPTABLE
CONCENTRATION,
mg/kg
COMMENTS
Total Petroleum Hydrocarbons
Duri Crude, Restricted Access 18,000 Industrial use only
Non-Duri Crude, Restricted Access 30,000 Industrial use only
Duri Crude, Non-restricted Access 1,500 Residential or industrial use Non-Duri Crude, Non-restricted Access 2,500 Residential or industrial use
Total Metals
Antimony 16 Residential or industrial useArsenic 2 Residential or industrial use
Barium 2,800 Residential or industrial use
Beryllium 80 Residential or industrial use
Boron 3600 Residential or industrial use
Cadmium 20 Residential or industrial use
Chromium (Total) 1153 Residential or industrial use
Cobalt 2,400 Residential or industrial use
Copper 1,480 Residential or industrial use
Lead 400 Residential or industrial use
Mercury 12 Residential or industrial use
Molybdenum 200 Residential or industrial use
Nickel 800 Residential or industrial use
Selenium 200 Residential or industrial use
Silver 200 Residential or industrial use
Thallium 3 Residential or industrial use
Tin 24,000 Residential or industrial use
Vanadium 280 Residential or industrial use
Zinc 12,000 Residential or industrial use
Electrical Conductivity (EC) 4 mmhos/cm
Sodium Adsorption Ratio (SAR) 12