irl laboratory brochure 2015

LABORATORY SERVICES

Page | 3Standards, methods and specifications are subject to change without notice.

INTERNATIONAL RESORCE LABORATORIES

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Setting the Standard For Quality & Customer Service

LOCAL PRESENCE

International Resource Laboratories Pty Ltd (IRL) is a leading provider of analytical services for mining and exploration companies in the Coal & Coal Seam Gas industries. Our organisation offers world class testing services including In-situ gas content & composition, sample preparation, coal testing, exploration geochemistry, environmental, civil, mine-site laboratories and geological services.

IRL is committed to providing Accurate, Precise, and Transparent results and are the laboratory of choice for clients across Australia and Internationally. The following schedule outlines the most commonly used analytical procedures. Not all methods/analyses are listed in this brochure, so please call us if you would like information on anything not listed.

INTERNATIONAL PRESENCE

IRL provides the same standard of excellence in all projects internationally that you would expect in Australia. In recent years IRL has been fortunate to be the leading influence of best practise to Coal CSG exploration in many developing countries. We have done this by providing in country training and analysis to the same exacting standards experienced here in Australia.

IRL provides meaningful, validated analytical data performed in country to Australian Standards, giving clients usable data that meets or exceeds local standards and requirements.

We have successfully completed projects in many regions including but not limited to: Africa, South East Asia, and Central Asia.

Please contact our Laboratory Manager to discuss your specific requirements.

“IT IS OUR PROFESSIONAL OBLIGATION TO PROVIDE YOU WITH FAST, ACCURATE AND PRECISE RESULTS TO ASSIST IN YOUR DECISIONS”

| Page4 Standards, methods and specifications are subject to change without notice.


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QUALITY ASSURANCE

Regular internal proficiency testing, participation of Inter-laboratory, national, and client specific proficiency programs complements ISO 9001 and NATA ISO/IEC 17025 accreditations, ensuring international standards are maintained in the organisation’s procedures, methodology, validation, QA/QC and data handling.

Certified Reference Materials and/or in-house controls, blanks, splits and replicates are analysed with each batch of samples. These quality control results are reported along with the sample values in the final report. Selected samples are also re-analysed to confirm anomalous results. Our Service includes the reporting of all QC data except where more than 10% repeats are considered necessary in cases such as poor reproducibility due to poor sample matrix or unforseen interferences, in which case additional repeats may be performed.

Where the concentration of an element exceeds the capacity of the original method selected, re-analysis will be carried out using a more appropriate technique, unless otherwise requested.

VALIDATION

Validation of data is a critical element of our quality assurance. IRL has developed various tools to validate results before they are released. Results which appear anomalous are retested before they are released to the client. Validation of data starts with sample receipt and continues throughout the process.



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Selection of Methods

The intended end use of analytical data is the primary consideration when selecting the most appropriate analytical methods. Due to a wide range of applications, key criteria to be considered include: accuracy and precision, detection limits, expected concentration of the target element(s), sample matrix and budget.

• Sample preparation is a vital stage in the analytical process. Correct preparation procedures allow representative sub-sampling which is the foundation of quality analysis. For ease of selection, packages have been created to cover the most commonly used procedures.

• The choice of sample dissolution procedure - to get a sample into a form amenable to instrumental analysis- is important, and each has its own advantages and limitations. Consideration should be given to whether a partial or complete decomposition is required for each application when choosing between the various digestion techniques.

• The lower and upper limits for each element are shown in most tables and are a guide to the ranges that can be routinely measured, however these may vary in some cases as a result of the sample matrix.

• A selection of analytical packages is offered including a range of multi-element scans and commodity specific suites. The comprehensive multi-element packages incorporate the lowest detection limits that can be analysed. Variations in element suites, instrumentation and detection limits offer more cost effective package options.

• For detecting buried mineralisation, partial leaches on soils are an effective tool. Similarly, plant tissue or groundwater, which can be sampled easily and cheaply, can be analysed in conjunction with, or as an alternative to, conventional media. Orientation surveys are particularly important when using these techniques and it is advisable to discuss your needs with us in advance.

• Other services not detailed below include: Gas Chromatography (Iron trap mass spectrometer, ECD, FID, PID, PFPD, TSD) Liquid Chromatography (Triple-quad mass spectrometer, UV, Refractive index), UV/Vis, ICP-OES, ICP-MS, AA, GF-AA, VG-AA, XRF, Classical Wet Chemistry (UV/Vis, IR, Titrations) and Gravimetric techniques.

• The most common methods offered are listed in this document, however this is not an exhaustive list of services and not all services are available at all locations. We encourage clients to discuss their projects with us to assist with selection of the most appropriate analytical solutions for the particular applications.



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9Sample PreparationSample Preparation Packages . . . . . . . . . . . . . . . . . . . . . . . 9Individual Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Hazardous Samples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Sample Storage and Freight . . . . . . . . . . . . . . . . . . . . . . . . . 13

15Coal & GasCoal Packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15Coal Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18In-Situ Coal Seam Gas & Fugitive GHG Emissions . . . . . . . 20

Equipment Hire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23Field Gas/Air Monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

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Precious Metal AnalysisLead Collection Fire Assay . . . . . . . . . . . . . . . . . . . . . . . . . . .25Nickel Sulphide Collection Fire Assay . . . . . . . . . . . . . . . . . .25Screen Fire Assay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

Aqua Regia Digestion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26Cyanide Leaches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

General InformationSample Dispatch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45Importation of Samples into Australia. . . . . . . . . . . . . . . . 46

Importation of Samples Inter-state . . . . . . . . . . . . . . . . . . 46Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47

Civil & GeotechnicalAcid Sulphate Soils . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41Chromium Reducible Suite . . . . . . . . . . . . . . . . . . . . . . . . . . 41

SPOCAS Suite . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41Geotechnical Engineering . . . . . . . . . . . . . . . . . . . . . . . . . . .42

29Exploration GeochemistryAu + Multi-Elements by Aqua Regia Digestion . . . . . . . . . 29 Multi-Elements by Four Acid Digestion . . . . . . . . . . . . . . . . 31

35EnvironmentalOrganic Chemistry Analysis . . . . . . . . . . . . . . . . . . . . . . . . . .36Inorganic Chemistry Analysis . . . . . . . . . . . . . . . . . . . . . . . .37

Trace Metals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38

Contents



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Sample PreparationThe production of a homogeneous sub-sample, representative of the material submitted to the laboratory, is the primary purpose of sample preparation. Correct preparation is critical to obtaining meaningful analytical results. The selection of the specific sample preparation procedures will depend on the type and size of the sample, the mineralogy as well as the client’s analytical and budgetary requirements.

Segregation into high and low grade sample preparation areas and utilisation of techniques such as quartz, acid washed sand and compressed air washes between samples reduces the potential for contamination.

Close and ongoing consultation with the laboratory will ensure that optimal sample preparation techniques are employed, maximising the value added in the analytical process.

Sample Preparation PackagesTo facilitate easy selection of sample preparation procedures, commonly used techniques have been packaged together.

PULVERISE PACKAGE (for soil, stream sediment, RC, RAB & pre crushed <4mm)

DESCRIPTION

Dry, pulverise up to 300g

Dry, pulverise 300g up to 1.2kg

Dry, pulverise 1.2kg up to 3kg

Dry, pulverise 1.2kg up to 3kg, additional fine pulverise assay split

Additional wt. >3kg: dry, split, pulverise up to 3kg, discard reject

* Average job weights are used unless individual sample weights are requested

CRUSH PACKAGE (core/rock)

DESCRIPTION

Dry, crush ~4mm, pulverise up to 300g

Dry, crush ~4mm, pulverise 300g up to 1.2kg

Dry, crush ~4mm, pulverise 1.2kg up to 3kg

Additional wt.>3kg: dry, crush ~2mm, split, pulverise up to 3kg

* Average job weights are used unless individual sample weights are requested

DRYING

Sample drying procedures will vary due to the sample type and mass, moisture content and analysis required.

DESCRIPTION

Sort and dry samples received in standard paper packets

Sort and dry samples

Low temperature drying



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CRUSHING

Samples with volumes or dimensions exceeding that which the pulverising vessels can accommodate may require crushing and/or splitting prior to pulverising. Crushing may also be required to achieve an optimum particle size to split to a representative sub sample for further particle size reduction.

DESCRIPTION

Crush to ~10mm

Crush to ~4mm

SPLITTING

Splitting of samples may be done to achieve a more cost effective option in reducing the volume of sample for further particle size reduction steps.

Two types of splitters are used; the riffle splitter sometimes called a Jones Splitter and the Rotary Splitter. It is important to select the correct size splitter for the product being split, and correct technique is also important so that samples are split without introducing bias.

DESCRIPTION

Riffle splitting – up to 6kg discard reject

Riffle splitting – up to 6kg retain reject

Additional riffle splitting options

Rotary splitting



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PULVERISING

Pulverising is carried out on crushed or relatively fine products to achieve a fine homogeneous powder. This enables small sub-samples to be taken for analysis that will be representative of the larger coarse sample. For most sample types at least 85% of material will be pulverised to 75μm or less.

DESCRIPTION

Up to 300g

Up to 1.2kg

Up to 3kg

1.2kg up to 3kg, additional fine pulverise assay split

Additional weight per 3kg or part thereof

SIEVING

Sieving may be performed on unprocessed samples to determine the mass distribution of the various size fractions or, alternatively, on crushed or pulverised products to ascertain the effectiveness of the preparation processes.

DESCRIPTION

Dry sieve to specified mesh size(s)

Wet sieve to specified mesh size(s)

Wet sieve to confirm sample preparation grind quality

CORE CUTTING

IRL offers a range of core cutting services including cutting, secure storage and rental space for core logging.

DESCRIPTION

Core cutting (includes consumables and equipment)

Packages can be customised to suit your requirements.

ADDITIONAL PROCEDURES

DESCRIPTION

Specific gravity

Bulk density analysis

Compositing

Reporting weights of samples

Client specified preparation

Sample pick up and transport



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Hazardous SamplesHandling of samples containing hazardous material requires special procedures and incurs additional charges. Please ensure that you contact our Laboratory Manager before shipping any hazardous material. Before shipment ensure the sample submission is clearly marked, describing the category of hazard and clearly identify the samples that contain the hazard.

ASBESTOS PREPARATION - SAMPLES CONTAINING FIBROUS MATERIAL

Samples received as pulps

Samples requiring preparation

NATURALLY OCCURRING RADIOACTIVE MATERIAL (NORM)

Samples received as pulps

Samples requiring preparation

Miscellaneous handling

By regulation, all radioactive material must be returned to the client. This will be at the client’s expense.

Sample Storage and FreightAll solid samples (core, assay pulps, bulk pulps and residues) will be stored without charge for 60 days after completion of analysis. After this time all samples will be stored at a daily rate until the client’s written advice regarding return, collection or disposal is received.

DESCRIPTION

Storage of bulk or pulp samples calculated daily after 60 days

Disposal of samples

Expenses related to the return of samples

Samples stored <4oC

Storage of samples classified as dangerous goods

Retrieval of selected samples from storage

Prices dependant on sample size and quantity, Samples submitted as liquids will be stored (at ambient temperature) without charge for 60 days after completion of analysis and then discarded unless advised otherwise in writing.



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Coal & GasIRL’s specialty lies in servicing the Coal and Coal Seam Gas industries. Our services include traditional wet chemistry techniques, physical

methods, and analytical techniques such as GC, LECO, ICP-MS, and ICP-OES. These services enable us to provide the following suite of

analyses:

Coal Packages

COAL QUALITY PACKAGE

DESCRIPTION

Proximate Analysis*

Includes: Inherent Moisture

Ash Analysis

Volatiles

(calc.) Fixed Carbont

Total Moisture*

Total Sulphur

Forms of Sulphur (pyritic, sulphate, organic)

Chlorine*

Phosphorus

Carbonate Carbon

Calorific Value

Includes: C,H,N

Ash Analysis

Includes: see ash analysis package

Hardgrove Grindability Index (HGI)

Ash Fusibility

Includes: see ash fusibility package

Relative Density

Ultimate analysis (CHNS)

Abrasion Index

Petrographics

Includes: see petrographics package

Gieseler Plasticity

Dilatometer

Grey-King Coking Type (GKCT)

Crucible Swell Number (CSN)*



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PROXIMATE AND GENERAL ANALYSIS PACKAGE

DESCRIPTION

Proximate Analysis

Includes: Inherent Moisture

Ash Analysis

Volatiles

(calc.) Fixed Carbon

Total Moisture

Total Sulphur

Forms of Sulphur (pyritic, sulphate, organic)

Chlorine

Phosphorus

Carbonate Carbon

Calorific Value

includes: C,H,N

ULTIMATE ANALYSIS PACKAGE

DESCRIPTION

Ultimate Analysis

Includes: Carbon

Hydrogen

Nitrogen

Sulphur

Tests performed via LECO analyser. Price based on single sample

CAKING AND COKING PACKAGE

DESCRIPTION

Crucible Swell Number (CSN)

Gieseler Plasticity

Dilatation

Grey-King Coking Type (GKCT)

Coke Strength

Coke Reactivity

PETROGRAPHIC PACKAGE

DESCRIPTION

Reflectance

Maceral Analysis (MR)



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PHYSICAL PROPERTIES PACKAGE

DESCRIPTION

Moisture Holding Capacity

Relative Density

Abrasion Index (AI)

Hardgrove Grindability Index (HGI)

Size Distribution

Float-and-Sink Analysis

Durham Cone Handle-ability

ASH ANALYSIS PACKAGE

DESCRIPTION

Ash Analysis

includes: Silicone as Sio2

Aluminium as Al2O3

Iron as FeO3

Calcium as CaO

Magnesium as MgO

Sodium as Na2O

Potassium as K2O

Titanium as TiO2

Manganese as Mn3O4

Phosphorous as P2O5

Sulphur as SO3

Barium as BaO

Strontium as SrO

Zinc as ZnO

TRACE ELEMENTS PACKAGE

DESCRIPTION

Trace Elements

includes: As Arsenic

B Boron

Be Beryllium

Cd Cadmium

Co Cobalt

Cr Chromium

F Fluorine

Hg Mercury

Li Lithium

Mn Manganese



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DESCRIPTION

Mo Molybdenum

Ni Nickel

Pb Lead

Sb Antimony

Se Selenium

Sn Tin

Sr Strontium

Th Thorium

Tl Thallium

U Uranium

V Vanadium

Zn Zinc

Coal Schedule of AnalysisDESCRIPTION STANDARD

Abrasion Index AS1038.19

Apparent Relative Density AS1038.26

Ash Analysis (XRF) ASTM D4326-04

Ash Fusibility AS1038.15

Boron AS1038.10.3

Bulk Density AS3899

Calorific Value AS1038.5

Carbonate Carbon AS1038.23

Chlorine (Eschka method) AS1038.8.1

Crucible Swelling Number AS 1038.12.1

Dilatation AS 1038.12.3

Durham Cone Handle-ability Test AS 1038.25

Dustiness Index ASTM D547-41

Fixed Carbon AS 1038.3

Float and Sink testing AS 4156.1

Fluorine AS 1038.10.4

Forms of Sulphur AS 1038.11

Free Moisture AS 1038.1

Free Silica

Froth Flotation – Ultimate

Froth Flotation Basic Test AS 4156.2.1

Froth Flotation Sequential Procedure AS 4156.2.2

Gas Desorption (slow) AS 3980(a)

Gas Desorption (fast) AS 3980(b)



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DESCRIPTION STANDARD

General Gas Analysis - GC method ASTM D

Gieseler Plasticity AS 1038.12.4.1

Gray King Coke Type A AS 1038.12.2

Hardgrove Grindability Index AS 1038.20

Mineral Matter and Water of Constitution AS 1038.22

Moisture Holding Capacity - Higher Rank Coal AS 1038.17

Moisture Holding Capacity - Lower Rank Coal AS 2434.3

Moisture In The Analysis Sample AS1038.3

Nitrogen Digestion Method AS 1038.6.2

Oxidation Test D5263 ASTM D 5263

Percent Solids - Slurry Petrographic (Vitrinite Reflectance and Maceral AS 2856

Phosphorus AS 1038.9.2

Proximate Analysis AS 1038.3

Relative Density AS 1038.21.1.1

Relative Ignition Temperature

Residual Moisture AS 1038.1

Roga Index ISO 335

Sample Preparation AS 4264.1

Sample Pre-Treatment - Dry Tumbling AS 4156.1

Sample Pre-Treatment - Wet Tumbling AS 4156.1

Sample Pre-Treatment -Drop Shatter AS 4156.8

Sampling AS 4264.1

Sampling from coal seams AS 2617

Sapozhnikov Plastometer Test

Shale Breakdown - Andreasen Test

Size Analysis AS 3881

Spontaneous Combustion

Total Magnetics AS 4156.3

Total Moisture AS 1038.1

Total Sulphur (high temp method) AS 1038.6.3.2

Total Sulphur (Infrared method) AS 1038.6.3.3

Trace - Arsenic, Selenium & Antimony AS 1038.10.2

Trace - Mercury AS1038.10.1 AS 1038.10.1

Trace Elements – General AS 1038.10.1

Ultimate Analysis (C,H) - High Temperature AS 1038.6.1

Ultimate Analysis (C,H,N) - Instrumental Method AS 1038.6.4

Ultimate Analysis (C,H,N,S) AS 1038.6

Volatile Matter AS 1038.3



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In-Situ Coal Seam Gas & Fugitive GHG Emissions AnalysisIN-SITU COAL SEAM GAS ANALYSIS

IRL provides Laboratory and Consultancy services for Coal and Coal Seam Gas companies throughout Australia and Internationally. IRL provides laboratory analysis to Australian (AS 3980) and international (ASTM D7569) Standards.

We provide:

• Consultancy Services (including well design and production optimisation)

• Project Planning

• IRL Field Personnel

• Personnel Training

• Project Management

• Field & Laboratory Analysis

• In-situ Gas Content (direct desorption analysis)

• NATA Certified Gas Composition

• Adsorption Isotherm Analysis

• Coal Petrography (maceral, vitrinite reflectance)

• NATA Certified Raw Coal Quality Analysis

• Resource Modelling

Gas desorption analysis is performed with great diligence and precision. We realise and acknowledge the effort, planning and financial commitment that goes into your exploration programs, which is why IRL is the partner of choice for analytical services.

FUGITIVE GHG EMISSIONS ANALYSIS AND REPORTING

The National Greenhouse and Energy Reporting Act 2007(Act), the Regulations made under that Act and the National Greenhouse and Energy Reporting (Measurement) Determination 2008 (the Determination) establishes the legislative framework for a national greenhouse and energy reporting (NGER) system.

IRL can assist you with all facets of the Fugitive Green House Gas (GHG) Emissions reporting to NGER system requirements from:

• Design of Drilling and Sampling Program

• Supply of Competent, Experienced Personnel

• Supply of Field Equipment

• Field and Laboratory Analysis

• In-situ Gas Content (direct desorption analysis)

• NATA Certified Gas Composition

• NATA Certified Raw Coal Quality Analysis

• NATA Certified Gas Composition Analysis

• NATA certified Coal Quality Analysis

• Fugitive Gas Estimation & Modelling

• Emissions Reporting

• Provide an Auditable Framework to Facilitate Transparency

All Fugitive GHG Emissions Analysis is performed to Australian Standards as outlined in the ACARP guidelines required for reporting to the NGER requirements.

For assistance in planning your next Fugitive GHG Program please contact our Laboratory Manager.



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GAS DESORPTION PACKAGE

DESCRIPTION

Slow Desorption method (typically 30-90days)

includes: Q1 Lost Gas

Q2 Desorbed Gas

Q3 Residual Gas

Gas Composition (O2, N2, CO2, CH4)

Total Gas

Proximate Analysis of Residual Sub Sample

Fast Desorption method

includes: Q1 Lost Gas

Q2 Desorbed Gas

Q3 Residual Gas

Gas Composition (O2, N2, CO2, CH4)

Total Gas

Proximate Analysis of Residual Sub Sample

GENERAL GAS ANALYSIS

DESCRIPTION

Setup Fee (per batch)

General Gas Suite

includes: H2 Hydrogen

He Helium

N2 Nitrogen

O2 Oxygen

CH4 Methane

C2H4 Ethylene

C2H6 Ethane

CO Carbon Monoxide

CO2 Carbon Dioxide

(calc.) Ar Argon

Argon is calculated based on the Nitrogen result



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Equipment & PersonnelIRL supplies trained Exploration Geologists and Laboratory Technicians to conduct initial field Q1 tests. In using our dedicated professionals, surety of results is improved. If your organisation is equipped with its own personnel then IRL can supply all equipment and canisters required for field Q1 analysis as well as safe transport of core samples.

EQUIPMENT HIRE

DESCRIPTION

Q1 kit (6 canister system)

Q1 kit (20 canister system)

HQ Canister Hire

4” Canister Hire

PERSONNEL

DESCRIPTION

Exploration Geologist

Field Technician

Field Assistant

Field Gas/Air MonitoringOur qualified technicians are equipped with the latest mobile gas monitoring equipment, giving them the ability to log in “real time” potentially dangerous levels of toxic or flammable gases (NH4, H2S, and O2). Reports are generated at the end of each day so you can see the efficiency of any measures put in place.

The equipment is calibrated by a certified reference gas each day before use for absolute confidence of equipment. A loud audible alarm is sounded immediately after the levels have met or exceeded the set parameters. These parameters can be custom set to suit the situation or environmental conditions.

FIELD GAS/AIR MONITORING

DESCRIPTION

Field Gas/Air Monitoring

includes: Qualified Field Technician

Gas Monitoring Equipment

Mine/Construction Compliant Vehicle

Applicable PPE

Daily Reports



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Precious Metals AnalysisA diverse range of precious metals techniques are available for applications ranging from grassroots exploration, where sub ppb sensitivities are required, to accurate resource estimation and grade control. For gold determination, lead collection fire assay remains the classic method, however aqua regia digestion, accelerated cyanide leach and BLEG are other options that are available for specific purposes. Platinum and palladium can also be detected using some of these methods. The full suite of platinum group elements (PGE) can only be determined by nickel sulphide collection fire assay.

Lead Collection Fire AssayLead collection fire assay remains the method of choice for quantitative gold determination. The fire assay flux mixture has been carefully formulated to optimise precious metal recovery in diverse mineralogical matrices. Difficult sample matrices may necessitate a reduction in the charge weight. Samples submitted for the ppb determination of gold, platinum or palladium is fused in new pots using dedicated equipment.

ELEMENT DESCRIPTION DETECTION LIMIT

Au 25g fire assay / AAS 0.01ppm

Au 50g fire assay / AAS 0.005ppm

Au 25g fire assay / solvent extraction AAS 1ppb

Au 50g fire assay / solvent extraction AAS 1ppb

Au, Pt, Pd 25g fire assay / ICP-MS 1ppb

Au, Pt, Pd 50g fire assay / ICP-MS 1ppb

Au, Pt, Pd 25g fire assay / ICP-OES 1,2,1ppb

Au, Pt, Pd 50g fire assay / ICP-OES 1,2,1ppb

Concentrates, metallurgical and high grade samples: POA

Nickel Sulphide Collection Fire AssayThe nickel sulphide collection fire assay process has been designed to quantitatively recover all of the platinum group elements. Some reduction in charge weight may be necessary for difficult sample matrices.


Au 25g NiS fire assay / ICP-MS (Package)

5ppb

Pt, Pd, Rh, Ru, Ir, Os 25g NiS fire assay / ICP-MS (Package)

2ppb NS25/MS

Screen Fire AssayScreen fire assay is used to quantify the gold content of samples where conventional 50 gram assays are subject to an unacceptable sampling error resulting from coarse gold. The process involves screening a nominal 1kg sample and firing the entire coarse fraction, including the screen cloth. Duplicate assays are carried out on the undersize fraction which is more reproducible due to the smaller gold particle sizes.



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The total gold (or platinum and palladium) content is calculated as a weighted mean of the measured grades of the two screen fractions. This is reported alongside the individual fraction results.

ELEMENT DESCRIPTION

Au Screen fire assay 150μm / AAS



Additional oversize firing

Pt, Pd Available on request

Aqua Regia DigestionAqua regia will digest many minerals, however, silicates and refractory minerals will remain largely undigested. Aqua regia is useful for grassroots exploration and as a screening tool. It is a cost effective way to analyse for gold and other elements (multi-element gold packages can be found under the Exploration Geochemistry section). Aqua regia digestions are vacuum filtered prior to diluting to volume to preclude errors resulting from insoluble residues. Lower detection limits are achieved utilising Graphite Furnace AAS. Aqua regia digestions are suitable for exploration purposes only and should not be used for resource analyses. Additional elements can be included from the Exploration Geochemistry section.


Au 10g aqua regia / enhanced GF AAS 0.1ppb

Au 10g aqua regia / GF AAS 1ppb

Au 10g aqua regia / AAS 0.01ppb

Au 25g aqua regia / enhanced GF AAS 0.1ppb

Au 25g aqua regia / GF AAS 1ppb

Au 25g aqua regia / AAS 0.01ppm 0.01ppb

Pre-roasting (ashing) to remove graphitic other / organic material

50g aqua regia options are available on request.

Cyanide LeachesCyanide solutions are used to leach gold from large samples providing a useful method for both grassroots exploration and resource work. BLEG (Bulk Leach Extractable Gold) is usually performed on screened stream sediment samples, providing detection of low level anomalies for regional exploration. High grade leaches utilise the LeachWELL™ accelerant to extract the cyanide extractable gold. This is an indication of what would be recovered in routine metallurgical processes.

LEACHWELL™ ACCELERATED CYANIDE LEACH

Four hour leach using LeachWELL™ tablets. This method is not practicable for clay rich samples and in some cases reduced weights may be used.


Au 200g leach / AAS 0.01ppm




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Ag As an additional element 1ppm

TAIL RECOVERY, ENTIRE TAIL WASHED, REGROUND AND 25G FIRE ASSAY AU


Au 200g wash / grind / fire assay / AAS 0.01ppm



BLEG (Bulk Cyanide Leach) – Low Level Gold

ELEMENT DESCRIPTION

Au 100g leach / ICP-MS

Au 500g leach / ICP-MS

Au 1.0kg leach / ICP-MS



Additional Elements Ag (0.1ppb), As (0.02ppm), Bi (0.1 ppb), Cd (0.1ppb), Co (1ppb), Cu (0.01ppm), Mo (0.1ppb), Ni (0.01ppm), Pd (0.1ppb), Pt (0.1ppb), Zn (0.05ppm



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Exploration GeochemistryThe advent of sensitive, rapid throughput instrumentation such as ICP-OES and ICP-MS used to complement one another has revolutionised exploration geochemistry in the last two decades. Large multi-element packages with detection limits commensurate with the crustal abundances of the anolytes are available for exploration purposes at affordable prices. Limited AAS and ICP-OES suites are also available to suit the requirements of particular exploration programs. A variety of digests are offered which include multi-purpose aqua regia, two acid and four acid “total” digests along with specialised biogeochemical and partial leach digests specifically for greenfields exploration.

ANALYTICAL OPTIONS INCLUDE:

• Au + Multi-Elements by Aqua Regia Digestion

• Multi-Elements by Four Acid Digestion

• Multi-Elements by Two Acid Digestion

• Trace Elements by XRF

• TerraLeach™ Partial Digest Geochemistry

• Biogeochemistry

• Hydro-geochemistry

Gold + Multi-Elements by Aqua Regia DigestionAqua regia is a mixture of hydrochloric and nitric acids which acts as powerful oxidizing agent with the ability to dissolve gold. Most oxide, sulphide and carbonate minerals are digested by aqua regia, however certain refractory minerals and most silicates are only partially decomposed. An aqua regia leach is a very useful exploration tool and an industry standard for many grassroots exploration programs; however it should not be used for resource quality data. Recovery levels vary between elements and sample matrices, with indicative recoveries highlighted on the package tables.

Packages range from basic ICP-OES only suites through to a comprehensive element list utilising both ICP-OES and ICP-MS for ultra-trace levels. The 1g options are primarily a multi-element scanning tool; precious metal results are indicative only and should be interpreted with extreme caution due to the particulate nature of precious metals in some sample types. The 10g and 25g methods offer cost effective options for gold and multi-element suites and are vacuum filtered prior to voluming to preclude errors resulting from insoluble residues. Mercury may report low due to losses of volatile forms primarily during sampling and preparation stages.

An additional charge is applicable for samples containing graphitic or other organic material that require roasting prior to digestion.

COMPREHENSIVE PACKAGE – ULTRA TRACE LEVELS

ELEMENT RANGE PPM ELEMENT RANGE PPM ELEMENT RANGE PPM

Au** 1ppb - 500ppb Hg* 0.01 - 100 Sb 0.02 - 1000

Ag 0.02 - 20 Ho 0.01 - 100 Sc 0.1 - 500

Al 20 - 5% In 0.005 - 100 Se 0.5 - 100

As 0.5 - 2000 K 20 - 5% Sm 0.01 - 500

B* 10 - 1000 La 0.01 - 500 Sn 0.05 - 50

Ba 1 - 1000 Li 0.1 - 1000 Sr 0.02 - 5000



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Be 0.05 - 100 Lu 0.005 - 100 Ta 0.01 - 50

Bi 0.01 - 200 Mg 100 - 5% Tb 0.005 - 100

Ca 100 - 15% Mn Jan-00 Te 0.01 - 100

Cd 0.01 - 100 Mo 0.1 - 500 Th 0.01 - 500

Ce 0.01 - 500 Na 100 - 5% Ti 5 - 1000

Co 0.1 - 500 Nb 0.02 - 500 Tl 0.01 - 100

Cr 1 - 1000 Nd 0.01 - 500 Tm 0.01 - 100

Cs 0.01 - 100 Ni 0.2 - 5000 U 0.01 - 5000

Cu 0.2 - 1% P 10.0 - 5000 V 2 - 1000

Dy 0.01 - 100 Pb 0.5 - 2000 W 0.05 - 50

Er 0.01 - 100 Pd** 10ppb - 25 Y 0.02 - 50

Eu 0.01 - 100 Pr 0.005 - 500 Yb 0.01 - 100

Fe 100 - 30% Pt** 5ppb - 25 Zn 1 - 1000

Ga 0.05 - 500 Rb 0.02 - 1000 Zr 0.1 - 500

Gd 0.05 - 100 Re 0.001 - 100

Hf 0.01 - 50 S* 50 - 1%

Comprehensive package

Aqua regia digestion 1g / ICP-OES & ICP-MS



Note: * B, Hg, S are only available on 1g option, Hg may report low due to losses in sampling and preparation. ** Au, Pt, Pd are indicative only on 1g option and must be interpreted with extreme caution

INDIVIDUAL ELEMENTS BY ICP

DESCRIPTION

Aqua regia digestion 1g / ICP first element



/ secondary instrument first element $7.50

/ per additional element $0.75

INDIVIDUAL ELEMENTS BY AAS


Ag* 0.1 - 50 Cu 1 - 1% Sb 2 - 1%

As* 10 - 1% Fe 100 - 15% Te* 2 - 1%

Bi* 2 - 1% Mn 1 - 1% Tl* 2 - 1%

Cd* 0.1 - 1% Mo 2 - 1% Zn 1 - 1%

Co 1 - 1% Ni 1 - 1%

Cr 1 - 1% Pb 1 - 1%

Aqua regia digestion 1g / AAS first element



/ per additional element

Note: * DL’S are increased by a factor of x10 on 1g option



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Multi-Elements by Four Acid DigestionFour acid digests, with the inclusion of hydrofluoric acid targeting silicates, will decompose almost all mineral species and are referred to as “near-total digestions”. Highly resistant minerals such as zircon, cassiterite, columbite-tantalite, rutile and wolframite will require a fusion digest to ensure complete dissolution. Relative indicative recoveries for each element are highlighted on the package tables. Four acid digests may volatilise some elements. Packages range from basic ICP-OES only suites through to a comprehensive element list utilising both ICP-OES and ICP-MS for ultra-trace levels.

COMPREHENSIVE PACKAGE – ULTRA TRACE LEVELS


Ag 0.01 - 100 Hf 0.05 - 500 Sb 0.05 - 3%

Al 50 - 12% Ho 0.01 - 1000 Sc 0.1 - 5000

As 0.5 - 5% In 0.005 - 1000 Se 0.5 - 1000

Ba 0.1 - 5000 K 20 - 10% Sm 0.01 - 5000

Be 0.05 - 1000 La 0.01 - 5000 Sn 0.1 - 500

Bi 0.01 - 1000 Li 0.1 - 5% Sr 0.05 - 10%

Ca 50 - 15% Lu 0.005 - 1000 Ta 0.01 - 500

Cd 0.02 - 1000 Mg 20 - 10% Tb 0.005 - 1000

Ce 0.01 - 5000 Mn 1 - 5% Te 0.05 - 1000

Co 0.1 - 1% Mo 0.1 - 5000 Th 0.01 - 5000

Cr 1 - 2% Na 20 - 10% Ti 5 - 1%

Cs 0.05 - 1000 Nb 0.05 - 500 Tl 0.02 - 1000

Cu 0.2 - 10% Nd 0.01 - 5000 Tm 0.01 - 1000

Dy 0.01 - 1000 Ni 0.2 - 5% U 0.01 - 10%

Er 0.01 - 1000 P 10 - 5% V 1 - 1%

Eu 0.01 - 1000 Pb 0.5 - 5% W 0.1 - 500

Fe 100 - 50% Pr 0.005 - 5000 Y 0.05 - 500

Ga 0.05 - 5000 Rb 0.05 - 5000 Yb 0.01 - 1000

Gd 0.01 - 1000 Re 0.002 - 1000 Zn 1 - 5%

Ge 0.05 - 100 S 50 - 15% Zr 0.1 - 500

Comprehensive package 4 acid digestion / ICP-OES & ICP-MS

Selection of individual elements is offered to enable suites to be customized to suit your specific needs, or where only a few elements are required.



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INDIVIDUAL ELEMENTS BY ICP

DESCRIPTION

4 acid digestion / ICP first element

/ secondary instrument first element


INDIVIDUAL ELEMENTS BY AAS


As 50 - 10% Fe 100 - 50% Sb 10 - 5%

Bi 10 - 1% Li 1 - 10% Sr 10 - 10%

Ca 20 - 40% Mg 20 - 20% Te 10 - 1%

Cd 1 - 1% Mn 1 - 20% Tl 10 - 1%

Co 1 - 10% Mo 20 - 5% V 20 - 1%

Cr 5 - 2% Ni 2 - 10% Zn 1 - 20%

4 acid digestion / AAS first element




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EnvironmentalIRL offers a full range of environmental water and soil analytical services to a variety of industries, including mining, manufacturing and government bodies throughout Australia and internationally.

We offer extensive testing and monitoring for environmental and safety purposes in domestic, commercial and industrial settings. This includes:

• Water - Drinking, marine, bore-field and effluent water

• Soil - Contaminated from mining, agriculture and industrial use

• Air - Dusts and airborne chemical contaminants

• Produce - Agricultural produce including meat and eggs, vegetables and other foods

• Asbestos - Vinyl tiles, building materials and soils

Methodology used in the laboratory is based on standard procedures of:

• USEPA,

• APHA,

• ASTM,

• NIOSH,

• OSHA and Australian Standards.

These services include but are not limited to:

WATER AND SEAWATER

• General water analysis – major cation and anion analysis.

• Nutrient analysis (total, in solution and speciation) – various methods available

• Trace metal analysis – primarily ICP-MS, ICP-OES and GF-AA with sensitivities ranging from ng/l to μg/l levels.

SOILS

There are a large number of techniques used in the environmental analysis of soils. IRL and its partners offer the techniques which are considered standard by the industry including ASLP, TCLP, SPOCS, CrS and ARD but will adopt specifically requested leach techniques to meet special requirements.

ORGANICS (Water and Soil)

IRL and its partners specialise in the analysis of organic compounds in water and soil using GC and GCMS techniques.

It is important that correct containers are used to transport and store environmental samples, and each sample usually has to be taken in several specially treated containers to allow the anolyte of interest to be stabilised correctly. Please ask for advice on sample collection and stabilisation of samples and can supply the specially treated containers.



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INORGANICS (Water and Soil)

IRL and its partners are equipped with the latest instrumentation and staffed by qualified laboratory personnel to ensure timely and quality service. A variety of spectroscopic and automated flow techniques, backed by advanced membrane technology and classical wet chemistry.

Please contact the laboratory to discuss your specific requirements.

Organic Chemistry AnalysisAnalysis includes but is not limited to:

HYDROCARBONS - SOIL & WATER

TOTAL PETROLEUM HYDROCARBONS (TPH)

POLYCYCLIC AROMATIC HYDROCARBONS (PAH)

AROMATIC/ALIPHATIC SPLITS (LANDFILL ACCEPTANCE)

BTEX

OIL AND GREASE (OG)

VOLATILES - SOIL & WATER

VOLATILE ORGANIC COMPOUNDS (VOC)

TRIHALOMETHANES (THM)

DISINFECTION BY-PRODUCTS

SEMI-VOLATILES - SOIL & WATER

PLASTICISERS

PHENOLIC COMPOUNDS

ACRYLAMIDE

ALCOHOLS

FATTY ACIDS

FORMALDEHYDE

ANIONIC SURFACTANTS (MBAS)

PESTICIDES - SOIL & WATER

ORGANOCHLORINE / ORGANOPHOSPHOROUS (OC/OP)

SYNTHETIC PYRETHROIDS

POLY CHLORO BI-PHENOLS (PCB)

BASE NEUTRAL PESTICIDES (BNP)

HERBICIDES - SOIL & WATER

CHLORINATED ACIDICS

ACIDIC HERBICIDES

FORMULATIONS FOR “ACTIVE” CONTENT

GLYPHOSATE

PARAQUAT / DIQUAT

Each case is unique with different needs; please consult us on a package tailored to your requirements.



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Inorganic Chemistry AnalysisAnalysis includes but is not limited to:

WATER QUALITY

ALKALINITY, SALINITY*

CHLORIDE*

SULPHATE*

REACTIVE SILICA

TURBIDITY

BROMIDE

TOTAL ACIDITY*

TOTAL DISSOLVED SOLIDS (TDS)*

TOTAL SUSPENDED SOLIDS (TSS)*

pH, CONDUCTIVITY*

BIOCHEMICAL OXYGEN DEMAND (BOD)

CHEMICAL OXYGEN DEMAND (COD)

FLUORIDE, SULPHIDE

METALS – WATER

HEAVY METALS

Includes As

Hg

Ni

Zn

Pb

Cd

Cu

Cr

TRACE METALS VIA GFAA, ICP, ICP/AES PLEASE REFER TO THE SCHEDULE “TRACE METALS”

NUTRIENTS – WATER

TOTAL NITROGEN (TN)

TOTAL KJELDAHL NITROGEN (TKN)

AMMONIA

NITRATE, NITRITE

REACTIVE PHOSPHOROUS (RP)

TOTAL PHOSPHOROUS (TP)

CYANIDE

TOTAL CYANIDE

FREE CYANIDE

WEAK ACID DISSOCIABLE CYANIDE (WAD-CYANIDE)

SAMPLE PREP

AUSTRALIAN STANDARD LEACHING PROCEDURE (ASLP)

TOXICITY CHARACTERISTIC LEACHING PROCEDURE (TCLP)



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Trace ElementsAnalysis includes but is not limited to:

METALS SOIL METHOD

DETECTION LIMIT*

WATER STANDARD

METHOD DETECTION

LIMIT

WATER LOW LEVEL

METHOD DETECTION

LIMIT

mg/kg mg/L mg/L

ALUMINIUM 20.0 0.2 0.01

ANTIMONY 5.0 0.005 0.001

ARSENIC 5.0 0.005 0.001

BARIUM 1.0 0.1 0.001

BERYLLIUM 0.2 0.01 0.001

BISMUTH 1.0 0.01 -

BORON 1.0 0.2 0.01

CADMIUM 0.1 0.002 0.0001

CALCIUM 1.0 0.001 -

CHROMIUM 1.0 0.01 0.001

COBALT 1.0 0.01 0.001

COPPER 1.0 0.01 0.001

GALLIUM 10.0 0.25 0.01

IRON 1.0 0.01 -

LEAD 0.5 0.01 0.001

LITHIUM 1.0 0.01 -

MAGNESIUM 1.0 0.1 -

MANGANESE 1.0 0.01 0.001

MERCURY 0.0 0.0002 0.0001

MOLYBDENUM 2.0 0.05 0.001

NICKEL 1.0 0.01 0.001

POTASSIUM 1.0 0.1 -

SELENIUM 2.0 0.005 0.001

SILICON - 0.1 -

SILVER 1.0 0.01 0.005

SODIUM 1.0 0.1 .-

STRONTIUM 1.0 0.03 0.001

SULPHUR 2.5 0.05 0.025

TIN 1.0 0.02 0.01

THALLIUM - - 0.01

TITANIUM 2.0 0.02 -

URANIUM 2.0 0.02 -

VANADIUM 5.0 0.2 0.001

ZINC 1.0 0.01 0.005

ZIRCONIUM 2.0 0.02 -

Each case is unique with different needs; please consult us on a package tailored to your requirements.



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Civil & GeotechnicalIRL’s scope of analysis includes, but is not limited to:

ACID SULPHATE SOILS:

Disturbing the acid sulphate soil can cause environmental damage. Iron sulphide minerals in these soils oxidise when exposed to air, caused by a lowering of the water table or excavation, releasing sulphuric acid and iron into the soils and groundwater. This can result in waterways being adversely affected, killing fish and vegetation and damage to structural infrastructure from development.

IRL is pleased to offer a comprehensive suite of analyses used to identify potential and actual Acid Sulphate Soils. The IRL Methods are based on the latest Australian Standards.

CHROMIUM REDUCIBLE SULPHATE

ANALYSIS STANDARD TECHNIQUE REPORTED AS

MOISTURE AS 1289.2.1.1 - 2005 %

EXT. % AS 4869.1 - 2008 %

pH KCL AS 4869.2 - 2008 pH

TAA AS 4869.2 - 2008 mol H+/tonne

PHOX AS 4869.3 - 2008 pH

TPA AS 4869.3 - 2008 mol H+/tonne

a-ANCE AS 4869.3 - 2008 mol H+/tonne

ANCE (EQUIVALENT %CACO3) AS 4869.3 - 2008 %

SKCl AS 4869.4 - 2008 e %

CaKCl AS 4869.4 - 2008 e %

MgKCl AS 4869.4 - 2008 e %

SP AS 4869.5 - 2008 e %

CaP AS 4869.5 - 2008 e %

Mgp AS 4869.5 - 2008 e %

SRAS AS 4869.6 - 2008 e %

SCR AS 4869.7 - 2008 %

a-SCR AS 4869.7 - 2008 mol H+/tonne

ANCBT AS 4869.13 - 2008 %

SPOCAS SUITE


pH KCL AS 4869.2 - 2008 pH

TAA AS 4869.2 - 2008 mol H+/tonne

PHOX AS 4869.3 - 2008 pH

TPA AS 4869.3 - 2008 mol H+/tonne

a-ANCE AS 4869.3 - 2008 mol H+/tonne



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ANCE (EQUIVALENT %CACO3) AS 4869.3 - 2008 %

SKCl AS 4869.4 - 2008 e %

CaKCl AS 4869.4 - 2008 e %

MgKCl AS 4869.4 - 2008 e %

SP AS 4869.5 - 2008 e %

CaP AS 4869.5 - 2008 e %

Mgp AS 4869.5 - 2008 e %

SRAS AS 4869.6 - 2008 e %

SHCl AS 4869.8 - 2008 e %

CaHCL AS 4869.8 - 2008 h %

MgHCl AS 4869.8 - 2008 m %

TSA AS 4869.9 - 2008 mol H+/tonne

SPOS AS 4869.10 - 2008 %

CaA AS 4869.10 - 2008 %

MgA AS 4869.10 - 2008 %

SNAS AS 4869.11 - 2008 %

CaNAS AS 4869.11 - 2008 %

MgNAS AS 4869.11 - 2008 %

ANCBT AS 4869.13 - 2008 %

GEOTECHNICAL ENGINEERING

Geotechnical engineering uses principles of soil mechanics and rock mechanics to investigate subsurface conditions and materials; determine the relevant physical/mechanical and chemical properties of these materials; evaluate stability of natural slopes and man-made soil deposits; assess risks posed by site conditions; design earthworks and structure foundations; and monitor site conditions, earthwork and foundation construction. Our Laboratory strives to offer a complete, Quick and accurate service making us your partner of choice.

Our scope also includes (not limited to) and soon to come:

• Resistivity

• CBR

• Tri-axial

• Permeability

• Shear box

• Shrink Swell Index

• Linear Shrinkage

• PI

• Grading

• Particle Sizing

Please contact our laboratory manager to discuss your specific requirements/pricing or for any services not listed.



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General Information

Sample DispatchTo assist with the efficient processing of your samples please email all instructions and any freight information prior to or at the time of dispatch. Sample submissions received without written instructions cannot be processed until adequate written instructions are received from the client.

Significant discrepancies between submission sheets and actual samples received will be reported prior to commencement of the processing. Any minor discrepancies will be noted on the analytical report.

We recommend that all submissions of samples be clearly labelled and packaged in a concise, systematic order and accompanied by accurate and detailed paperwork. To facilitate safe manual handling we would appreciate that samples be packaged in units not exceeding 25kg each. Sample submissions poorly labelled or packaged may incur additional sorting charges. Please “flag” the bag containing the paperwork (COC).

A sample Chain of Custody form is available upon request.

The minimum information required on any Chain of Custody (COC) sheet is:

• Client name

• List or range of sample numbers

• Sample preparation required

• Elements required for analysis

• Methods of analysis preferred

• Result destination(s)

• Electronic data format

• Invoice destination

• Sample storage requirements

• Appropriate warnings if any samples are potentially hazardous

• Indication of any samples that may cause problems during the preparation or analysis. This includes the presence of normally trace elements at higher % levels, visible gold, graphitic shales, etc.

Certain samples may require classification as dangerous goods, for the purpose of transport, processing and storage. Compliance is the client’s responsibility. Please ensure that the samples have been classified, marked and transported in accordance with the requirements of dangerous goods legislation. Your co-operation with sample submissions will eliminate unnecessary delays in turnaround.



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Importation of Samples into AustraliaWhen importing mineral samples into Australia from International sources the following document requirements should be followed:-

• Importation of samples that have been obtained from a depth greater than two (2) meters and are clean and free of surface and plant related material can be imported into Australia without requiring quarantine treatment. To comply, goods must be accompanied by a Manufacturers Declaration.

• Importation of all material obtained from the first two (2) meters of the earth surface (surface material), is required to be quarantine heat treated to a core temperature of 160°C for a minimum of two (2) hours. Goods must be accompanied by a Manufacturers Declaration and by a “Permit to Import Quarantine Material”.

Detailed information and document requirements on how to successfully import mineral samples into Australia can be obtained through Australian Quarantine Inspection Service (AQIS) website www.aqis.gov.au.

Importation of Samples Inter-StateWhen importing mineral samples interstate from within Australia the following document requirements should be followed:

• Importation of samples that have been obtained from a depth greater than 2 meter that are clean and free of surface and plant related material can be imported interstate within Australia without requiring quarantine treatment. Goods must be accompanied by an International Quarantine Declaration only.

• Importation of all soil related material which is classified as all material obtained from the first two (2) meters of the earth surface (surface material), is required to be quarantine heat treated to a core temperature of 121°C for a minimum of two (2) hours. Goods must be accompanied by a Manufacturers Declaration.

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LocationHEAD OFFICE

18 Holland Street NORTHGATE, Qld 4013 T: +61 (0) 3254 8157 F: +61 (0) 3254 8116 www.irlabs.com.au

POSTAL ADDRESS

P.O. Box 83 CHERMSIDE SOUTH, Qld 4032

International Resource Laboratories Pty Ltd 18 Holland Street, NORTHGATE QLD 4013 ABN: 95 600 208 982

© 2014 INTERNATIONAL RESOURCES LABORATORIES

18 Holland Street NORTHGATE, Qld 4013

P: +61 (0) 7 3254 8157F: +61 (0) 7 3254 8116www.irlabs.com.au

irl laboratory brochure 2015

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