Path:
Home >
GB >
Page8 > GB 30980-2014
Home >
Standard_List >
GB >
Page8 > GB 30980-2014
US$929.00 · In stock
Delivery: <= 7 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB 30980-2014: Assessment procedure for marine dumping of dredged material
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB 30980-2014 | English | 929 |
Add to Cart
|
7 days [Need to translate]
|
Assessment procedure for marine dumping of dredged material
| Valid |
GB 30980-2014
|
PDF similar to GB 30980-2014
Basic data
| Standard ID | GB 30980-2014 (GB30980-2014) |
| Description (Translated English) | Assessment procedure for marine dumping of dredged material |
| Sector / Industry | National Standard |
| Classification of Chinese Standard | Z17 |
| Classification of International Standard | 07.060; 13.020.30; 13.060.01 |
| Word Count Estimation | 42,487 |
| Date of Issue | 7/24/2014 |
| Date of Implementation | 6/1/2015 |
| Quoted Standard | GB 17378.1; GB 17378.2; GB 17378.3; GB 17378.4; GB 17378.5; GB 17378.6; GB 17378.7; GB 18421 |
| Regulation (derived from) | National Standards Bulletin No. 19, 2014 |
| Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China |
| Summary | This standard specifies the evaluation of ocean dumping of dredged material requirements, evaluation limits, classification, chemical and biological testing methods, and dredged material disposal. This standard applies to ocean dumping of dredged material |
GB 30980-2014: Assessment procedure for marine dumping of dredged material
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Assessment procedure for marine dumping of dredged material
ICS 07.060; 13.020.30; 13.060.01
Z17
National Standards of People's Republic of China
Ocean dumping of dredged material substance Assessment Protocol
Issued on. 2014-07-24
2015-06-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Preface Ⅰ
1 Scope 1
2 Normative references 1
3 Terms and definitions
4 ocean dumping of dredged material evaluation requirements 2
5 dredged material category Chemical Evaluation limit 2
6 dredged material Category 3
7 3 Dredging physical and chemical tests
8 biological tests of dredged material 4
Disposal of dredged material 9 10
11 10 Quality Control and Assurance
11 evaluation reports and report data 11
Appendix A (normative) dredged material sample collection methods and principles 12
Appendix B (normative) aqueous phase of dredged material to mysid shrimp and goby fish toxicity test experiment 15
Annex C (informative) Introduction to Biological test 18
Annex D (normative) dredged material to a solid phase Amphipoda biological toxicity test experiment 20
Appendix E (normative) bivalves of dredged material in the chemical composition of the cumulative test experiment 26
Annex F (normative) ocean dumping of dredged material inspection evaluation report 30
References 38
Foreword
The standard Chapter 4, Section 5, Chapter 6 and Chapter 9 is mandatory, the rest are recommended.
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard by the National Standardization Technical Commission for Oceanography (SAC/TC283) centralized.
This standard was drafted. National Marine Environmental Monitoring Center, State Oceanic Administration, Marine Consulting Center.
The main drafters of this standard. Korean Dragon, Kai Lun Yan, Han Jianbo, Wang Lijun, to the Friends of the right, Red Star Chen, Ma Yuyan, Linxin Zhen, Jingze.
Ocean dumping of dredged material substance Assessment Protocol
1 Scope
This standard specifies requirements for evaluation of ocean dumping of dredged material, evaluation limits, classification, chemical and biological testing methods, and dredged material at
Set mode.
This standard applies in the People's Republic of China waters, territorial sea, contiguous zone, exclusive economic zone, continental shelf and under the jurisdiction of People's Republic of China
Marine dredged material other waters of dumping.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB 17378.1 marine monitoring Part 1. General
GB 17378.2 specification for marine monitoring Part 2. Data processing and quality control analysis
GB 17378.3 specification for marine monitoring Part 3. Sample collection, storage and transportation
GB 17378.4 specification for marine monitoring Part 4. Seawater Analysis
GB 17378.5 specification for marine monitoring Part 5. Sediment analysis
GB 17378.6 specification for marine monitoring Part 6. Analysis of the organism
GB 17378.7 specification for marine monitoring Part 7. Ecological survey of offshore pollution and biological monitoring
GB 18421 Marine life quality
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Environmentally sensitive areas environmentalsensitivearea
Coastline and beach, sea or scenic area of great cultural and historical significance, having a particular scientific or ecological value
Meaning area.
Note. The specific example of protected areas, spawning grounds, seed breeding field, swimming animal migration routes, seasonal and temporary habitat, a closed military zone, seabed mining areas,
Submarine cable area, area of water desalination, energy conversion area.
3.2
Dredged material dredgedmaterials
For the protection of ports, terminals, waterways, use smooth passage of anchorage, port facilities and meet other sea-related construction projects need to dig out from under
Deposits.
3.3
Dredged material bioassay dredgedmaterialbiologicaltesting
By biological experiments directly exposed to the aqueous phase and solid phase method for dredged material to determine the biological effects of contaminants in the dredged material, according to
Biological test results of dredged material to predict whether the toxicity of dredged material will harm planktonic and benthic communities.
3.4
Overlying water overlyingwater
Dredged material bioassay test vessel was added solid cover experimental sea of dredged material.
4 ocean dumping of dredged material evaluation requirements
Before ocean dumping of dredged material should be carried out physical and chemical testing, the concentration of dredged material in the main chemical components and chemical categories dredged material
Evaluation limit comparison, according to the classification of dredged material, dredged material to be classified. Dredged material into three categories. clean dredged material, dredging contamination
And contaminated dredged material. Identified as contamination and contaminated dredged material dredging dredged material shall be three biological tests, including aqueous phase of dredged material
Biological toxicity testing, biological solid dredged material toxicity testing and dredged material in the chemical composition of the cumulative test. According to the type of dredged material and
Biological test results to determine the ocean disposal of dredged material. Ocean dumping of dredged material classification and evaluation process shown in Figure 1.
Figure 1 ocean dumping of dredged material classification and evaluation workflow
5 categories dredged material chemical evaluation limits
Evaluation of ocean dumping of dredged material chemical limits in Table 1.
Table 1 Chemical Assessment dredged material category limits
Chemical composition
ω/10-6
The lower limit
Chemical composition
ω/10-6
The lower limit
Arsenic 20.0 75.0 250.0 100.0 Lead
Mercury cadmium 0.80 5.0 0.30 1.0
Chromium 80.0 300.0 200.0 600.0 Zinc
Copper Organic Carbon 50.0 300.0 a 2.0 4.0
Table 1 (continued)
Chemical composition
ω/10-6
The lower limit
Chemical composition
ω/10-6
The lower limit
DDT sulfide 300.0 800.0 0.020 0.10
Total 500.0 1500.0 0.020 0.60 PCBs oils
BHC 0.50 1.50
a unit of organic carbon 10-2.
6 dredged material classification
6.1 clean dredged material (Ⅰ class)
One of the following conditions of clean dredged material dredged material.
a) the content of dredged material in all chemical components does not exceed the lower limit of the evaluation of the chemical;
b) dredged material in cadmium, mercury, BHC, DDT, PCBs the total does not exceed the lower limit chemical evaluation, dredged sediments arsenic, chromium,
Copper, lead, zinc, organic carbon, sulfides, oils, wherein the lower limit of no more than two of them chemical content exceeds the limits of the evaluation, but not more than
The average of upper and lower limits, and a particle size of less than 4μm component content of not more than 5%, less than 63μm particle size fraction containing
Not more than 20%.
6.2 contamination dredged material (Ⅱ type)
Dredged material in the main chemical component content does not exceed the upper limit of the chemical evaluation of dredged material and meet the following conditions for contamination
Dredged material.
a) dredged material in cadmium, mercury, BHC, DDT, one or more of the total content of PCBs and other chemical evaluation of exceeded limits
Lower limit;
b) dredged material of arsenic, chromium, copper, lead, zinc, organic carbon, sulfide, the chemical composition of oil content does not meet the physical 6.1b) provisions
Claim.
6.3 contaminated dredged material (Ⅲ class)
Chemical component content dredged material in one or more of the chemical than the evaluation limit of a maximum of contaminated dredged material.
7 Dredging physical and chemical tests
7.1 Determination of the project
Dredged material should be carried out before dumping analytical testing must be measured at the same time, according to the historical dredging area contamination may select pollution-related
Election test project analysis and detection.
--- Must be measured. dredged material particle size and arsenic, cadmium, chromium, copper, lead, mercury, zinc, organic carbon, sulfides, oils;
--- Selective Projects. BHC and DDT, the total amount of PCBs, PAHs, total phosphorus, total nitrogen and tributyl tin.
7.2 sample collection, transport and storage
Sample collection, transport and storage methods, see Appendix A.
7.3 Chemical Methods
Tributyltin and polycyclic aromatic hydrocarbons - Determination of reference Method8323/SW-846/EPA and Method8270D/SW-846/EPA, which
Determination of his project by the method specified in Table 2.
Table 2 Determination of chemical analysis of dredged material
Project Analysis
The detection limit
ω/10-6
Reference Standard
Arsenic Atomic Fluorescence Spectrometry 0.06 GB 17378.5
Cadmium flameless atomic absorption spectrophotometry 0.04 GB 17378.5
Chromium flameless atomic absorption spectrophotometry 2.0 GB 17378.5
Copper flameless atomic absorption spectrophotometry 0.5 GB 17378.5
Lead flameless atomic absorption spectrophotometry 1.0 GB 17378.5
Mercury atomic fluorescence spectrometry 0.002 GB 17378.5
Zinc flame atomic absorption spectrophotometry 6.0 GB 17378.5
Potassium dichromate organic carbon oxidation - reduction volumetric method - GB 17378.5
Sulfide methylene blue spectrophotometric 0.3 GB 17378.5
Oil fluorospectrophotometry 1.0 GB 17378.5
BHC a capillary gas chromatography 0.129 GB 17378.5
DDT b capillary gas chromatography 0.11 GB 17378.5
PCBs capillary gas chromatography 0.461 GB 17378.5
TP spectrophotometry - GB 17378.5
TN Kjeldahl titration - GB 17378.5
BHC and DDT and PCBs limits of detection unit 10-9.
BHC refers to a detection limit of its four isomers of α-666, β-666, γ-666, δ-666 and the detection limit;
b DDT detection limit refers to its three isomers pp'-DDE, pp'-DDD, pp'-DDT and the detection limit of.
8 biological tests of dredged material
8.1 General
Contamination and contaminated dredged material dredging, biological testing should be done. Biological tests include the following three categories.
--- The aqueous phase dredged material toxicity test. determining the dumping at sea of dredged material in the initial mixing, dissolved and suspended contaminants of raw water
The potential impact thereof;
--- Solid dredged material toxicity test. After determining dumping deposition potential impact on the surrounding area and its dumping of dredged material benthos;
--- Dredged material in the chemical composition of biological accumulation test. to assess the cumulative Benthos from the proposed dumping of dredged material in the relevant pollutants
potential.
For contamination and contaminated dredged material dredged samples should also be three kinds of biological tests.
8.2 Preparation of test sample
The aqueous phase test sample preparation 8.2.1
Take the dredged material and clean sea water, by volume mixing ratio 1.4, vigorously shaken or stirred for 30min after standing 1h. Remove the siphon
The supernatant liquid (liquid plus suspended particles), the aqueous phase is the test sample. If the supernatant liquid is too turbid, use 0.45μm membrane filter, or
The supernatant liquid was centrifuged, the supernatant is the aqueous phase test sample.
8.2.2 solid test sample preparation
Take the dredged material and clean sea water, by volume mixing ratio 1.4, intense shaking or stirring 30min, the mixture was stirred well, the static
Set 1h. Settlement in the end to take all the material, namely a solid phase test sample.
8.3 experimental device
8.3.1 biological culture facilities
Training aircraft, culture dishes or pots, air pump, pipe, valve.
8.3.2 Toxicity test facilities
Toxicity test facilities include.
--- Test-bed, built-water bath, lighting, temperature control equipment and pneumatic equipment;
--- Water bath, which can accommodate 60 or so 1L beaker;
--- Test vessel, the general 1L beaker;
--- Lighting equipment, shall ensure that the sediment surface light intensity reach 100lx;
--- By the heating wire temperature control equipment and temperature control device, etc., can also be kept constant by the laboratory to complete;
--- Inflatable equipment, training and experiments for benthic organisms, inflatable equipment should ensure that during inflation without disturbing the sediment or dredged material.
8.3.3 Experimental protective equipment
Goggles, mask, lab coat, gloves. Laboratories should be built with an exhaust device.
8.3.4 Other equipment
Refrigerated facilities, fume hood, should be equipped with generators.
The aqueous phase was 8.4 dredged material toxicity test
8.4.1 The principle of selection test organisms
The aqueous phase was dredged material toxicity tests using biological test should have the following conditions.
--- Test organism should choose one in crustaceans, fish or bivalves and echinoderms larvae;
--- Easy to obtain and the high sensitivity of larvae or larvae;
--- On the reaction of toxic substances have consistency and repeatability;
--- Having a more significant ecological or economic significance;
--- Test organism cultured in the laboratory can be perennial or natural waters for mining.
8.4.2 Inspection Type
The aqueous phase was dredged material toxicity test type and recommend suitable test organisms and their waters are shown in Table 3.
Table 3 aqueous phase dredged material toxicity test type
Inspection type tested biocompatible Sea
96h mysid shrimp toxicity test
Huo Mysis Hoimesiellaaffinis near the Yellow Sea, East China Sea and South China Sea
Neomysis each shrimp aNeomysisawatschensis China Sea
96h goby toxicity test
Alligator comb goby Ctenogobiusbrevirostris East China Sea, South China Sea
A creeping opalescent goby aAbomalactipes Bohai Sea, Yellow Sea and East China Sea
Multi-line comb goby aCtenogobiusnotophthalmus South China Sea
Bare item comb goby Ctenogobiusgymnauehen South China Sea
Boleophthalmus aBoleophthalmuspectinirostris each sea area China
96h amphipod toxicity test
Japan enjoys a large claws each aGrandidierellajaponica China Sea
River potter wasp enjoys aCorophiumacherusicum Bohai Sea, Yellow Sea
Seclusion potter wasp enjoys Corophiuminsidiosum Yellow Sea, East China Sea
Bo's eyes Gammarus Ampeliscabocki Yellow Sea, East China Sea, South China Sea
Shorthorn eyes each Gammarus Ampeliscabrevicornis China Sea
48h ~ 96h Dual
Crustaceans or echinoderms
Larvae toxicity test
Each mussel bMytilusedulis China Sea
Crassostrea gigas each bCrassostreagigas China Sea
Rivularis bAcrassostrearivularis East China Sea, South China Sea
Purple sea urchin cAnthocidariscrassipina East China Sea, South China Sea
Sea Urchin cStrongylocentrotusnudus Bohai Sea, Yellow Sea
Hemicentrotus cHemicentrotuspulcherrimus Bohai Sea, Yellow Sea and East China Sea
a first priority of the test organism used.
b from the fertilized egg to the D-shaped larvae.
c from the fertilized egg to the pluteus.
8.4.3 test experiment
The aqueous phase was dredged material mysid shrimp and goby fish toxicity test experiment in Appendix B. The aqueous phase was dredged material toxicity test real test for other organisms
The aqueous phase was dredged material test reference mysid shrimp and goby fish toxicity test experiments. A creeping opalescent goby and shrimp Neomysis see sidebar Introduction
Record C.
8.4.4 Test results to determine
The aqueous phase was dredged material toxicity test results determined in Table 4.
Table 4 aqueous phase dredged material toxicity test results to determine
Inspection type test basis by the end criterion is not
96h mysid shrimp toxicity test
96h fish toxicity test
96h amphipod toxicity test
mortality rate
The average mortality rate average mortality rate of the control group and test group of dredged material difference
Significant differences (p≤0.05) a; or the average mortality rate of dredged material testing large groups
At 50%
48h ~ 96h or bivalve larvae of echinoderms
Toxicity Test
Mortality or not
Normal growth rate
The average mortality rate dredged material test group or normal development rate of the control group
The average mortality rate of normal development or significant difference (p≤0.05) a; or sparsely
The average mortality rate was dredging test group or normal development rate of more than 50%
a significantly different (P≤0.05) by means of statistical methods, e.g. t- test to test.
8.5 solid dredged material toxicity test
8.5.1 selection principle of the test organisms
Solid dredged material toxicity tests using biological test should have the following conditions.
--- Biological test tube should be buried amphibians and amphibians optionally A;
--- Effect of sediment grain size can withstand a wide range of variation;
--- Responses to toxic substances with consistency and repeatability;
--- Easy to obtain and the high sensitivity of larvae or larvae;
--- Having a more significant ecological or economic significance;
--- Test organism cultured in the laboratory can be perennial or natural waters for mining.
8.5.2 Inspection Type
Solid dredged material toxicity test type and recommend suitable test organisms and their waters are shown in Table 5.
Table 5 solid dredged material toxicity test type
Inspection type tested biocompatible Sea
10d amphipod toxicity test
Japan enjoys a chelating China Sea each
River enjoys a potter wasp Bohai Sea, Yellow Sea
Seclusion potter wasp enjoys the Yellow Sea, East China Sea
Bo's eyes Gammarus Yellow Sea, East China Sea, South China Sea
Shorthorn eyes each Gammarus China Sea
20d polychaete toxicity
Japan each thorn Nereis Neanthesjaponica China Sea
Polydentate Nereis Nereismultignatha Yellow Sea, East China Sea
Each long kiss Nereis Glycerachirori China Sea
California Roll each kiss Nereis Neohtyscaliforniensis China Sea
Table 5 (Continued)
Inspection type tested biocompatible Sea
10d bivalves Toxicity
Thin mica clams Yoldiasimiles Bohai Sea, Yellow Sea and East China Sea
Lepidolite clam Yoldialepidula South China Sea
R.philippinarum aRuditapesphilippinarum each sea area China
Variegated clams aRuditapesvariegate South China Sea
Purple fringing white cherry clam Macomapraerupta South China Sea
Beautiful white cherry clam Macomacandida South China Sea
Iso-white cherry clams Macomaincongrua Bohai Sea and the Yellow Sea
Yi razor each Sinonovaculaconstricta China Sea
a first priority of the test organism used.
8.5.3 test experiment
Solid dredged material on amphipods biological toxicity test experiment in Appendix D; solid phase for bivalves dredged material toxicity test experiment to see
Appendix E. Solid dredged material to other organisms toxicity test test test reference dredged material to the solid phase or bivalves amphipod toxicity detection
Test experiment. Japan chelating gossip and R.philippinarum Profile Appendix C.
8.5.4 Test results to determine
Solid dredged material toxicity test results determined in Table 6.
Table 6 solid dredged material toxicity test results to determine
Inspection type test basis by the end criterion is not
10d end isopods
Toxicity Test
mortality rate
The average mortality rate difference with the control group the average mortality rate of dredged material test was significantly (p≤
0.05) a; average mortality or dredged material test group more than 50%
20d polychaetes
Toxicity Test
Growth (dry weight) b
The average difference in mean dry weight dry weight of the control group of dredged material test was significantly (p≤
0.05) a; or dredged material test group the mean dry weight of the difference between the average dry weight of the control group of large
At 30%
10d bivalve
Toxicity Test
mortality rate
The average mortality rate difference with the control group the average mortality rate of dredged material test was significantly (p≤
0.05) a; average mortality or dredged material test group more than 50%
a significantly different (P≤0.05) should, for example, be determined by the statistical t- test methods.
b is the total dry weight of the dry animal deaths and disappearances after deduction of weight.
Biological 8.6 dredged material in the chemical composition of the cumulative test
8.6.1 The principle of selection test organisms
Dredged material in biological chemical components used in the test biological accumulation test should have the following conditions.
--- Biological test tube should be buried amphibians and amphibians optionally A;
--- Can provide adequate tissue for biological contaminants analysis;
--- Not effectively metabolize pollutants, especially organic pollutants;
--- Having a more significant ecological or economic significance;
--- Test organism cultured in the laboratory can be perennial or natural waters for mining.
8.6.2 Inspection Type
Dredged material in the chemical components of biological accumulation inspection type and recommend suitable test organisms and their waters are shown in Table 7.
Table 7 biological dredged material in the chemical composition of cumulative inspection type
Inspection type tested biocompatible Sea
28d bivalves accumulation experiment
Thin mica clams Bohai Sea, Yellow Sea and East China Sea
Lepidolite clam South China Sea
R.philippinarum a Chinese each sea area
Variegated clams a South China Sea
Purple fringing white cherry clam South China Sea
Beautiful white cherry clam South China Sea
Iso-white cherry clams Bohai Sea and Yellow Sea
Yi razor China Sea each
28d polychaete accumulation experiment
Japan each thorn Nereis China Sea
Yellow Sea and East China Sea multidentate Nereis
a first priority of the test organism used.
8.6.3 test experiment
Bivalves cumulative test experiment dredged material in the chemical composition, see Appendix E.
8.6.4 Test results to determine
Biological dredged material in the chemical composition of the cumulative test results determined in Table 8.
Table 8 dredged material in the chemical composition of bioaccumulation test results judgment
Inspection type test basis by the end criterion is not
28d bivalves
Cumulative test
The cumulative amount of pollutants in the body
Shellfish experimental group one or more contaminants at concentrations greater than specified in GB 18421 Ocean
Shellfish quality standard value of a
28d polychaete
Cumulative test
The cumulative amount of pollutants in the body
The cumulative amount of pollutants in the body of pollutants in vivo cumulative amount of dredged material test group and the control group
The difference was significant (p≤0.05) b
a marine shellfish quality standard value determined in accordance with the use of functional categories and environmental objectives Dumping area where waters.
b significantly different (P≤0.05) should, for example, be determined by the statistical t- test methods.
9 Disposal of dredged material
9.1 dredged material disposal
Dredged material disposal methods include. direct dumping; dumping restrictions; after special disposal restrictions dumping; land or other special place
Set mode.
9.2 clean dredged material disposal
For clean dredged material can be dumped in the designated area.
9.3 contamination of dredged material disposal
For dredged material contamination, the aqueous phase and solid phase toxicity tests and bioaccumulation tests all pass directly dumped in the designated areas.
Three kinds of biological toxicity test if one verification has not been passed, there may be restrictions in designated areas of the dumping. Three kinds of biological toxicity test, there are two
(Includes two) than without such dredged material should be subject to special treatment, it can be limited dumped in designated areas.
9.4 Disposal of contaminated dredged material
For contaminated dredged material, the aqueous phase and solid phase toxicity tests and bioaccumulation tests all pass, or only one test has not been passed, this
Class of dredged material should be subject to special treatment, it can be limited dumped in designated areas.
Contaminated dredged material aqueous phase and solid phase toxicity tests and bioaccumulation test, there are two (includes two) or more test has not been passed, such
Ocean dumping of dredged material should in principle, should be disposed of on land. Ruoyin irresisti...
Tips & Frequently Asked Questions:
Question 1: How long will the true-PDF of GB 30980-2014_English be delivered?
Answer: Upon your order, we will start to translate GB 30980-2014_English as soon as possible, and keep you informed of the progress. The lead time is typically 4 ~ 7 working days. The lengthier the document the longer the lead time.
Question 2: Can I share the purchased PDF of GB 30980-2014_English with my colleagues?
Answer: Yes. The purchased PDF of GB 30980-2014_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.
Question 3: Does the price include tax/VAT?
Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs):
List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?
Answer: Yes. If you need your currency to be printed on the invoice, please write an email to
[email protected]. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.