Schedule of Accreditation issued by United Kingdom Accreditation Service 2 Pine Trees, Chertsey Lane, Staines-upon-Thames, TW18 3HR, UK
Scottish Police Authority Forensic Services
Issue No: 051 Issue date: 31 August 2021
Scottish Crime Campus Contact: Craig Donnachie Craignethan Drive Tel: +44 (0) 1236 818108 1873 Gartcosh E-Mail: [email protected]
Accredited to Scotland Website: www.spa.police.uk ISO/IEC 17025:2017 G69 8AE
Testing performed by the Organisation at the locations specified
Locations covered by the organisation and their relevant activities
Laboratory locations:
Location details Activity Location code
Address Scottish Crime Campus Contact: Craig Donnachie Forensic Analysis G Craignethan Drive Tel: +44 (0) 1236 818108 Quality Management Gartcosh E-Mail: [email protected] Scotland Website: www.spa.police.uk G69 8AE
Address Rushton Court Contact: Craig Donnachie Forensic Analysis D 3 West Victoria Dock Road Tel: +44 (0) 1236 818108 Dundee E-Mail: [email protected] DD1 3JT Website: www.spa.police.uk
Address 11 Howden Hall Road Contact: Craig Donnachie Forensic Analysis E Edinburgh Tel: +44 (0) 1236 818108 EH16 6TL E-Mail: [email protected] Website: www.spa.police.uk
Address Contact: Craig Donnachie Nelson Street Tel: +44 (0) 1236 818108 Forensic Analysis A Aberdeen E-Mail: [email protected] AB24 5EQ Website: www.spa.police.uk
Assessment Manager: AS1 Page 1 of 18
Schedule of Accreditation issued by United Kingdom Accreditation Service 2 Pine Trees, Chertsey Lane, Sta ine s -u po n - Thames, TW18 3HR, UK
Scottish Police Authority Forensic Services 1873 Issue No: 051 Issue date: 31 August 2021 Accredited to ISO/IEC 17025:2017
Testing performed by the Organisation at the locations specified
DETAIL OF ACCREDITATION
Materials/Products tested Type of test/Properties Standard specifications/ Location measured/Range of Equipment/Techniques used Code measurement
BODY FLUIDS and Forensic Analysis TISSUES
Blood DNA Profiling: Documented in house Methods G, D - Whole Short Tandem Repeat (STR) using automated extraction - Stains DNA profiling for forensic - Prepfiler - FTA cards analysis of: - Crime Scene Samples Documented in house Methods Semen - Subject Samples using manual/automated - Whole (Reference and quantification - Azoospermic Volunteer) - Quantifiler - Elimination Database Saliva samples (VED/SED) Documented in house Methods - Whole - Crime Scene Samples using manual/automated - Stains meeting the amplification (PCR) and the - Swabs (buccal cells) requirements of the following chemistry: Custodian for the Hair Purpose of Supply to - Globalfiler Cellular Material the National DNA Touch DNA Database Documented in house Methods Body Tissue - Subject Samples using Electrophoresis - Muscle (reference and Applied Biosystems 3500xL Volunteer) meeting the Genetic Analyser© requirements of the Custodian for the Purpose of Supply to the National DNA Database
Assessment Manager: AS1 Page 2 of 18
Schedule of Accreditation issued by United Kingdom Accreditation Service 2 Pine Trees, Chertsey Lane, Sta ine s -u po n - Thames, TW18 3HR, UK
Scottish Police Authority Forensic Services 1873 Issue No: 051 Issue date: 31 August 2021 Accredited to ISO/IEC 17025:2017
Testing performed by the Organisation at the locations specified
Materials/Products tested Type of test/Properties Standard specifications/ Location measured/Range of Equipment/Techniques used Code measurement
BODY FLUIDS and Forensic Analysis TISSUES
Blood DNA Profiling: Documented in house Methods A, E - Whole Short Tandem Repeat (STR) using automated and manual - Stains DNA profiling for forensic extraction Semen analysis of: - Manual extraction using - Whole - Crime Scene Samples QIAamp DNA mini kit and - Azoospermic - Subject Samples QIAamp DNA Blood Mini Saliva (reference) Kit - Whole - Crime Scene Samples - Automated extraction - Stains meeting the using EZ1 (Crime Scene - Swabs (buccal cells) requirements of the Samples) Hair Custodian for the Cellular Material Purpose of Supply to Documented in house Methods Touch DNA the National DNA using manual quantification Body Tissue Database - Quantifiler - Muscle - Subject Samples meeting the Documented in house Methods requirements of the using manual amplification (PCR) Custodian for the and the following chemistry: Purpose of Supply to GlobalFiler the National DNA Database Documented in house Methods - Elimination Database using Electrophoresis samples (VED/SED) - Applied Biosystems 3500XL Genetic Analyser©
Related Opinions and Interpretation Interpretation of DNA profiles Documented in house Methods G, D, A, E generated internally from crime using stains (single source/major- - GMIDX v1.6 minor mixtures/complex - STRmix v2.6 mixtures) and reference - MixtureCalc v2.0 samples. Statistical analysis and comparison of DNA profiles generated from crime stains with compatible reference DNA profiles (internally generated (SPA FS) or from other accredited laboratories)
Assessment Manager: AS1 Page 3 of 18
Schedule of Accreditation issued by United Kingdom Accreditation Service 2 Pine Trees, Chertsey Lane, Sta ine s -u po n - Thames, TW18 3HR, UK
Scottish Police Authority Forensic Services 1873 Issue No: 051 Issue date: 31 August 2021 Accredited to ISO/IEC 17025:2017
Testing performed by the Organisation at the locations specified
Materials/Products tested Type of test/Properties Standard specifications/ Location measured/Range of Equipment/Techniques used Code measurement
BODY FLUIDS and Forensic Analysis (cont’d) TISSUES (cont’d)
CJ Line Saliva Swabs (buccal cells) DNA Profiling: Documented in house methods D Short Tandem Repeat (STR) using manual/automated DNA profiling for forensic extraction analysis of: - Prep-n-go - Chelex (manual extraction - Subject Samples – hairs only) - Elimination Database samples (VED/SED and Documented in house Methods PED) using manual/automated - Subject Samples amplification (PCR) and the meeting the following chemistry: requirements of the Custodian for the - GlobalFiler Express PCR Purpose of Supply to Amplification Kit (CJ) the National DNA Database
Documented in house Methods using Electrophoresis
Applied Biosystems 3500xL Genetic Analyser©
Related Opinions and Interpretation Interpretation of DNA profiles Documented in house Methods D generated internally from crime using stains (single source/major- GMIDX v1.6 minor mixtures/complex mixtures) and reference samples
Assessment Manager: AS1 Page 4 of 18
Schedule of Accreditation issued by United Kingdom Accreditation Service 2 Pine Trees, Chertsey Lane, Sta ine s -u po n - Thames, TW18 3HR, UK
Scottish Police Authority Forensic Services 1873 Issue No: 051 Issue date: 31 August 2021 Accredited to ISO/IEC 17025:2017
Testing performed by the Organisation at the locations specified
Materials/Products tested Type of test/Properties Standard specifications/ Location measured/Range of Equipment/Techniques used Code measurement
BODY FLUIDS and Relationship Analysis TISSUES (cont’d)
HID Samples Short Tandem Repeat (STR) Documented in house Methods D Blood DNA profiling for relationship using manual extraction - Whole testing for: - QIAMP DNA Mini kit and - Stains - Paternity QIAMP DNA Blood maxi - Maternity kit
Hair Documented in house Methods Body Tissue using manual quantification - Muscle - Quantifiler - Bone - Teeth
Documented in house Methods using manual amplification and the following chemistry: - Globalfiler
- Applied Biosystems 3500xL Genetic Analyser©
Statistical analysis and Documented in house Methods D comparison of DNA profiles using generated from crime stains - GMIDX v1.6 with compatible reference DNA profiles (internally generated or from other accredited laboratories)
Assessment Manager: AS1 Page 5 of 18
Schedule of Accreditation issued by United Kingdom Accreditation Service 2 Pine Trees, Chertsey Lane, Sta ine s -u po n - Thames, TW18 3HR, UK
Scottish Police Authority Forensic Services 1873 Issue No: 051 Issue date: 31 August 2021 Accredited to ISO/IEC 17025:2017
Testing performed by the Organisation at the locations specified
Materials/Products tested Type of test/Properties Standard specifications/ Location measured/Range of Equipment/Techniques used Code measurement
BODY FLUIDS and Forensic Analysis TISSUES (cont’d)
DNA Profiling: Documented in house methods G Blood Y - Short Tandem Repeat (Y- using manual PCR & - Stains STR) DNA profiling for forensic amplification using the following analysis of: chemistry: Semen - Whole - Crime Scene Samples - Powerplex Y23 - Azoospermic - Subject Samples (Reference and Volunteer) Saliva - Elimination Database samples Documented in house Methods - Whole (VED/SED) using Electrophoresis Applied - Stains Biosystems 3500xL Genetic - Swabs (buccal cells) Analyser©
Hair
Cellular Material
Touch DNA
Body Tissue - Muscle
Related Opinions and Interpretation
Interpretation of DNA profiles Documented in house Methods A, D, E & G generated internally from crime Using stains (single source/majorminor mixtures/complex mixtures) and - GMIDX v1.6 reference samples. Statistical - YHRD analysis and comparison of DNA profiles generated from crime stains with compatible reference DNA profiles (internally generated (SPA FS) or from other accredited laboratories)
Assessment Manager: AS1 Page 6 of 18
Schedule of Accreditation issued by United Kingdom Accreditation Service 2 Pine Trees, Chertsey Lane, Sta ine s -u po n - Thames, TW18 3HR, UK
Scottish Police Authority Forensic Services 1873 Issue No: 051 Issue date: 31 August 2021 Accredited to ISO/IEC 17025:2017
Testing performed by the Organisation at the locations specified
Materials/Products tested Type of test/Properties Standard specifications/ Location measured/Range of Equipment/Techniques used Code measurement
BODY FLUIDS and Forensic Analysis (cont’d) TISSUES (cont’d)
Any material Searching for: Documented in house Methods G, D, A, E - Blood using - Semen - visual examination - Saliva - Low power microscopy - Hairs - High power microscopy - Chemical testing (see below)
Any Material Recovery and preparation, Documented in house Methods G, D, A, E including for contingency using purposes, for subsequent DNA - cutting analysis by an ISO/IEC 17025 - swabs and swabbing accredited laboratory of the - extraction of stained following from searched materials materials and swabs - extraction of swabs - Blood - taping - Semen - mini-taping - Saliva - Proteinase K - Hairs - Cellular Material
Blood Presumptive testing for Blood Documented in house Methods G, D, A, E via detection of using: - Peroxidase - visual examination - KM (Kastle Meyer)
Related Opinions and Documented in house Methods G, D, A, E Interpretations using: Identification, interpretation and - visual examination recording of blood patterns - Low power microscopy (BPA) on clothing and other items examined at the laboratory
Semen Presumptive testing for seminal Documented in house Methods G, D, A, E fluid via detection of: using: - Acid Phosphatase - visual examination - Acid Phosphatase detection (colour reaction)
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Schedule of Accreditation issued by United Kingdom Accreditation Service 2 Pine Trees, Chertsey Lane, Sta ine s -u po n - Thames, TW18 3HR, UK
Scottish Police Authority Forensic Services 1873 Issue No: 051 Issue date: 31 August 2021 Accredited to ISO/IEC 17025:2017
Testing performed by the Organisation at the locations specified
Materials/Products tested Type of test/Properties Standard specifications/ Location measured/Range of Equipment/Techniques used Code measurement
BODY FLUIDS and Forensic Analysis (cont’d) TISSUES (cont’d)
Semen Confirmatory testing for seminal Documented in house methods G, D, A, E fluid via identification of using Spermatozoa - High power microscopy - Haematoxylin and Eosin staining (H&E)
Saliva Presumptive testing for saliva Documented in house method G, D, A, E via detection of: using - Amylase - visual examination - Phadebas tube test - Phadebas paper test
BODY FLUIDS and Forensic Analysis TISSUES - TOXICOLOGY Blood (Preserved, Detection and quantitation of Documented in house methods E Unpreserved) drugs in relation to s5A of the FS-PHY-0735 using Road Traffic Act 1988 and - supported liquid Scottish Statutory Instrument no extraction 83 (Cut-Off): - LC-MS/MS Amphetamine (250 ug/L) Benzoylecgonine(50 µg/L) Clonazepam (50 µg/L) Cocaine (10 µg/L) Diazepam (550 µg/L) Flunitrazepam (300 µg/L) Ketamine (20 µg/L) Lorazepam (100µg/L) Lysergic Acid Diethylamide – LSD (1µg/L) Methadone (500 µg/L) Methylamphetamine (10 µg/L) Methylenedioxymethamphetami ne – MDMA (10 µg/L) 6-Monoacetylmorphine (5µg/L) Morphine (80 µg/L) Oxazepam (300 µg/L) Temazepam (1000 µg/L)
Assessment Manager: AS1 Page 8 of 18
Schedule of Accreditation issued by United Kingdom Accreditation Service 2 Pine Trees, Chertsey Lane, Sta ine s -u po n - Thames, TW18 3HR, UK
Scottish Police Authority Forensic Services 1873 Issue No: 051 Issue date: 31 August 2021 Accredited to ISO/IEC 17025:2017
Testing performed by the Organisation at the locations specified
Materials/Products tested Type of test/Properties Standard specifications/ Location measured/Range of Equipment/Techniques used Code measurement
BODY FLUIDS and Forensic Analysis (cont’d) TISSUES - TOXICOLOGY
Blood (Preserved, Detection and quantitation of Documented in house (FS-PHY- E Unpreserved) drugs in relation to s5A of the 0732) Road Traffic Act 1988 and using: Scottish Statutory Instrument no - Solid phase extraction 83 (as amended) (Cut-off): - LCMSMS
Cannabis Group : Delta-9-Tetrahydrocannabinol - THC (1μg/L)
DAMAGE Forensic Analysis
Damage (Clothing and Related Opinions and G, D, A, E Fabric material) Interpretations
Examination, assessment and Documented in house Methods evaluation of a damage item, using: comparison of damage with - visual examination suspected instrument (excluding - Microscopy firearms) to determine the likelihood the suspected instrument caused the damage
DOCUMENTS Forensic Analysis
Handwriting (Roman Script) The examination of submitted Documented in house method G items to compare handwriting using from known and suspect - visual examination sources to establish links and/or - low power microscopy authorship
Opinions and Interpretation The evaluation of the significance of any similarities and differences between the handwriting on submitted items and/or suspect/reference sources to determine the likelihood of them being written by the same/different individuals.
Assessment Manager: AS1 Page 9 of 18
Schedule of Accreditation issued by United Kingdom Accreditation Service 2 Pine Trees, Chertsey Lane, Sta ine s -u po n - Thames, TW18 3HR, UK
Scottish Police Authority Forensic Services 1873 Issue No: 051 Issue date: 31 August 2021 Accredited to ISO/IEC 17025:2017
Testing performed by the Organisation at the locations specified
Materials/Products tested Type of test/Properties Standard specifications/ Location measured/Range of Equipment/Techniques used Code measurement
DOCUMENTS (cont’d) Forensic Analysis (cont’d)
Signatures The examination of submitted Documented in house method G items to compare signatures using from known and suspect - visual examination sources to establish links and/or - low power microscopy authorship
Opinions and Interpretation The evaluation of the significance of any similarities and differences between signatures on submitted items and/or suspect/reference sources to determine the likelihood of them being written by the same/different individuals.
Paper and other material Detection and enhancement of Documented in house method G indented marks made by using handwriting - oblique lighting - low power microscopy - ESDA
Documents Detection of alterations and Documented in house method G decipherment of altered or using obliterated entries - visual examination - Paper examinations - lighting techniques - Photocopying - microscopy - VSC6000
DRUGS Forensic Analysis G (and materials suspected of Legal classification of controlled containing drugs) drugs (Misuse of Drugs Act 1971)
Identification of Cannabis and Documented in house method G, D cannabis resin FS-PHY-0007 and FS-PHY 0037using - microscopy - thin-layer chromatography (TLC) - gas chromatography mass spectrometry GC- MS
Assessment Manager: AS1 Page 10 of 18
Schedule of Accreditation issued by United Kingdom Accreditation Service 2 Pine Trees, Chertsey Lane, Sta ine s -u po n - Thames, TW18 3HR, UK
Scottish Police Authority Forensic Services 1873 Issue No: 051 Issue date: 31 August 2021 Accredited to ISO/IEC 17025:2017
Testing performed by the Organisation at the locations specified
Materials/Products tested Type of test/Properties Standard specifications/ Location measured/Range of Equipment/Techniques used Code measurement
DRUGS (cont’d) Forensic Analysis (cont’d) (and materials suspected of containing drugs) Identification of Documented in house method G, D - Amphetamine FS-PHY-0007 and FS-PHY 0037 - Cocaine using - Diamorphine - spot tests (Marquis - MDMA reagent/Modified Scott reagent) (D only) - GC-MS
Quantification of Documented in house method G, D - Amphetamine (Glasgow using only) - HPLC - Diamorphine - Cocaine(Glasgow only)
Identification of Documented in house method G, D characteristically marked using proprietary pharmaceuticals, - visual comparison of illicit copies and other drugs appearance, markings products - dimensions with reference materials, data collections and descriptions in authoritative texts - TICTAC - GCMS
FIREARMS Forensic Analysis Ammunition Examination of discharged Documented in house method G ammunition components to using determine the number of guns - comparison microscopy used
(cont’d)Examination of Documented in house method G cartridges to determine if using ammunition has been loaded - comparison microscopy into a firearm
Comparison of spent Documented in house method G ammunition to suspect guns using - comparison microscopy
Assessment Manager: AS1 Page 11 of 18
Schedule of Accreditation issued by United Kingdom Accreditation Service 2 Pine Trees, Chertsey Lane, Sta ine s -u po n - Thames, TW18 3HR, UK
Scottish Police Authority Forensic Services 1873 Issue No: 051 Issue date: 31 August 2021 Accredited to ISO/IEC 17025:2017
Testing performed by the Organisation at the locations specified
Materials/Products tested Type of test/Properties Standard specifications/ Location measured/Range of Equipment/Techniques used Code measurement
FIREARMS (cont’d) Forensic Analysis (cont’d) Ammunition Ammunition and component Documented in house method G identification and legal using classification - weighing - microscopy - length measurement - use of known samples or standard reference data
FIREARMS Firearm and firearm component Documented in house method G part identification and legal using comparison with known classification (Firearms Act samples, reference standards 1968) and publications
Trigger pull measurement Documented in house method G using - dead weights
Trigger travel determination Documented in house method G using - length measurement
Determination of Kinetic Energy Documented in house method G of projectiles using - balance and chronograph
Accidental discharge Documented in house method G using - impact and drop tests
Range of fire determination Documented in house method G using test firing with appropriate weapon/ammunition combination and target material to assess range of fire. Comparison of test patterns to exhibits/productions
Test firing to assess the Documented in house method G functionality of weapons and/or using suspect or reference guns ammunition and ammunition
Test firing to generate test Documented in house method G samples of ammunition for using suspect or reference guns comparison to and ammunition exhibits/productions
Assessment Manager: AS1 Page 12 of 18
Schedule of Accreditation issued by United Kingdom Accreditation Service 2 Pine Trees, Chertsey Lane, Sta ine s -u po n - Thames, TW18 3HR, UK
Scottish Police Authority Forensic Services 1873 Issue No: 051 Issue date: 31 August 2021 Accredited to ISO/IEC 17025:2017
Testing performed by the Organisation at the locations specified
Materials/Products tested Type of test/Properties Standard specifications/ Location measured/Range of Equipment/Techniques used Code measurement
FIREARMS (cont’d) Forensic Analysis (cont’d)
Electric Shock Devices Identification, classification and Documented in house method G function test using visual examination, function testing and measurement of spark gap
Ammunition Comparison of spent Supplier to NABIS using G ammunition to suspect guns documented In house methods using - IBIS bullet Trax HD3D - IBIS Brass TRax - IBIS Matchpoint Plus GUN SHOT RESIDUE Forensic Analysis (GSR/FDR)
Clothing/items from both Recovery of in-organic gun shot Documented in house method G subjects and loci, FDR residues (primer) using Recovery Kits, cartridge - carbon coated aluminium cases and bullets stubs - taping - swabbing
Recovered material Identification of in-organic gun Documented in house method G shot residues (primer) using - SEM/EDX FLAMMABLE LIQUIDS Forensic Analysis (FIRE ACCELERANTS)
Material recovered from and Examination and analysis of the Documented in house methods G associated with Fire Scenes following flammable liquids using - Petrol - ATD-GCMS - Paraffin - Turpentine substitute - White spirit - Diesel - Alcohols (ethanol)
GLASS Forensic Analysis
Search and Recovery of glass Documented in house methods G fragments from clothing and using objects - visual examination - recovery using brushing and packaging blanks
Assessment Manager: AS1 Page 13 of 18
Schedule of Accreditation issued by United Kingdom Accreditation Service 2 Pine Trees, Chertsey Lane, Sta ine s -u po n - Thames, TW18 3HR, UK
Scottish Police Authority Forensic Services 1873 Issue No: 051 Issue date: 31 August 2021 Accredited to ISO/IEC 17025:2017
Testing performed by the Organisation at the locations specified
Materials/Products tested Type of test/Properties Standard specifications/ Location measured/Range of Equipment/Techniques used Code measurement
GLASS (cont’d) Forensic Analysis (cont’d)
Characterisation of glass Documented in house method G fragments using - Refractive index determination by oil immersion (GRIM) - Low power microscopy - Reannealing by tube furnace
Comparison of recovered glass Documented in house method G fragments to control samples recovered from crime scenes
MARKS AND Forensic Analysis IMPRESSIONS
Footwear mark Assessment, Comparison and Documented in house methods G evaluation of footwear with using visual comparison scene marks
Fingermarks Enhancement of fingermarks Documented In-House Methods G, D Any material which is and palm marks using chemical enhancement and capable of retaining friction lighting techniques (method ridge marks numbers provided in brackets) : - Acid Treatments: Acid Black 1, Acid Violet 17, Acid Yellow 7 - Cyanoacrylate (CNA) Fuming (including Poly UV CNA) - Basic Yellow 40 (BY40) - Ninhydrin - Powdering Techniques: black and white magnetic powder - Powder suspension (Iron oxide black and white powder suspension)
Assessment Manager: AS1 Page 14 of 18
Schedule of Accreditation issued by United Kingdom Accreditation Service 2 Pine Trees, Chertsey Lane, Sta ine s -u po n - Thames, TW18 3HR, UK
Scottish Police Authority Forensic Services 1873 Issue No: 051 Issue date: 31 August 2021 Accredited to ISO/IEC 17025:2017
Testing performed by the Organisation at the locations specified
Materials/Products tested Type of test/Properties Standard specifications/ Location measured/Range of Equipment/Techniques used Code measurement
MARKS AND Forensic Analysis (cont’d) IMPRESSIONS (cont’d)
Fingermarks Enhancement of fingermarks Documented In-House Methods G, D Any material which is and palm marks (cont’d) using: capable of retaining friction - visual examination ridge marks (cont’d) - White and filtered light - High energy lightsources
Documented In-House Methods G, D for imaging / digital capture
Developed fingerprint marks Determination of the presence Documented In-House methods G, D of friction ridge characteristics using visual examination, low for the purpose of subsequent power microscopy comparison
Images of fingermark and Visual analysis, comparison and Documented In-House methods G, D, A, E palm mark friction ridge evaluation of recovered friction using visual examination, low detail marks with finger, thumb and power magnification and palm from known marks automated fingerprint recognition system IDENT1.
Images of fingermark and Manual analysis, comparison Documented In-House methods G, D, A, E palm mark friction ridge and evaluation of recovered using visual examination, low detail friction marks with finger, thumb power magnification, comparitors and palm from known marks dimensional measurements and reference databases.
Opinion and Interpretation G, D, A, E The evaluation of the Documented In-House methods significance of any matching using: features between the suspect - Personal experience mark and a known mark to - Databases determine the likelihood of the suspect mark being made by an individual marks being made by the same unidentified person
Assessment Manager: AS1 Page 15 of 18
Schedule of Accreditation issued by United Kingdom Accreditation Service 2 Pine Trees, Chertsey Lane, Sta ine s -u po n - Thames, TW18 3HR, UK
Scottish Police Authority Forensic Services 1873 Issue No: 051 Issue date: 31 August 2021 Accredited to ISO/IEC 17025:2017
Testing performed by the Organisation at the locations specified
Materials/Products tested Type of test/Properties Standard specifications/ Location measured/Range of Equipment/Techniques used Code measurement
PAINTS Forensic Analysis
Search and Recovery of paint Documented in house Methods G and paint fragments from using clothing and objects for analysis - visual examination - Low power microscopy - Brushing - Scalpel recovery of paint deposits
Comparison of control and Documented in house methods G recovered samples using - high power comparison microscopy - FTIR - SEM
VEHICLE COMPONENTS Forensic Analysis
Wheel assemblies removed Examination of wheel Documented in house method G from vehicles (Tyres) assemblies and constituent using parts of wheel assemblies (rims, - visual examination tyres, inner tubes) - length measurement - pressure measurement
Identification of damage and Documented in house method G defects using - Measurement of tread - visual examination depth - length measurement - Measurement of valve - pressure measurement back pressure
Assessment Manager: AS1 Page 16 of 18
Schedule of Accreditation issued by United Kingdom Accreditation Service 2 Pine Trees, Chertsey Lane, Sta ine s -u po n - Thames, TW18 3HR, UK
Scottish Police Authority Forensic Services 1873 Issue No: 051 Issue date: 31 August 2021 Accredited to ISO/IEC 17025:2017
Testing performed by the Organisation at the locations specified
Materials/Products tested Type of test/Properties Standard specifications/ Location measured/Range of Equipment/Techniques used Code measurement
BODY FLUIDS Forensic Analysis
Blood Documented in house Method E (Preserved/Unpreserved) using headspace GC-FID Urine (Perserved/Unpreserved) Detection and quantification of alcohol in relation to the 1988 Road Traffic Offenders Act • minimum quantification level: 10 mg/100 ml (mg%) • range of quantitative analysis: 10 – 500 mg%
Related Opinions and Interpretations
Alcohol Technical Defence Estimation of alcohol - Documented in house E (in relation to RTA and consumption and elimination methods (FS-PHY-0704 sexual offences) for sample with respect to validity of & FS-PHY-0724) using matrix including drinking patterns: mathematical breath/blood/urine 1) Effect of alleged post calculations. accident alcohol consumption on measured breath/body fluids alcohol levels 2) Effect of alleged spiked drink 3) Back calculations of breath/body fluid alcohol levels to the time of accident or other incident from 8.3 μg% / 20mg% / 27mg% and above
FIBRES Forensic Analysis
Recovery of fibres for Documented in house Methods A, D, G & E contingency purposes from using: clothing and objects - Visual examination - taping, - low power microscopy - mounting
Assessment Manager: AS1 Page 17 of 18
Schedule of Accreditation issued by United Kingdom Accreditation Service 2 Pine Trees, Chertsey Lane, Sta ine s -u po n - Thames, TW18 3HR, UK
Scottish Police Authority Forensic Services 1873 Issue No: 051 Issue date: 31 August 2021 Accredited to ISO/IEC 17025:2017
Testing performed by the Organisation at the locations specified
Materials/Products tested Type of test/Properties Standard specifications/ Location measured/Range of Equipment/Techniques used Code measurement
FIBRES (cont’d) Forensic Analysis (cont’d)
Search and recovery of fibres Documented in house Methods A, D, G & E from clothing and objects for using: analysis (including tapings) - visual examination - low power microscopy and screening - fibre recovery (taping)
Identification of fibre type Documented in house Methods A using: - Polarised light microscopy - FTIR
Comparison of fibre Documented in house Methods A using: - Stereo microscopy - Polarised light microscopy - Comparison microscopy
Spectroscopic analysis of fibres Documented in house Methods A in the visible range for the using: purpose of comparison of fibres - UV and visible microspectrophotometry
Opinion and Interpretation A The evaluation of the Documented in house Methods significance of any matching features between the suspect and reference/control fibre to determine the likelihood of the suspect fibre coming from a specific source
HAIRS Differentiation of Human and Documented in house Methods A Animal hairs using: - Visual examination - Low power microscopy - High power microscopy
END
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