{
  "name": "Specialty Labs Index Guides",
  "as_of": "2026-07-14",
  "count": 8,
  "guides": [
    {
      "slug": "how-to-choose-a-materials-testing-laboratory",
      "name": "How to Choose a Materials Testing Laboratory",
      "category": "testing-discipline",
      "url": "https://specialtylabsindex.com/guides/how-to-choose-a-materials-testing-laboratory",
      "primary_keyword": "materials testing laboratory",
      "search_volume": 150,
      "aka": [
        "materials testing lab",
        "mechanical testing laboratory",
        "metallurgical testing lab"
      ],
      "methods": [
        "Tensile and yield strength testing",
        "Hardness testing (Rockwell, Brinell, Vickers)",
        "Impact testing (Charpy, Izod)",
        "Metallography and microstructure analysis",
        "Chemical composition analysis (OES, ICP)",
        "Corrosion and salt-spray testing",
        "Fatigue and fracture-toughness testing"
      ],
      "standards_bodies": [
        {
          "name": "American Society for Testing and Materials",
          "abbr": "ASTM",
          "note": "Publishes the consensus test-method standards (e.g. ASTM E8 for tensile testing) that most materials test reports are run and reported against."
        },
        {
          "name": "International Organization for Standardization",
          "abbr": "ISO",
          "note": "Publishes international test-method and management-system standards, including ISO/IEC 17025, the general competence standard testing and calibration laboratories are accredited against."
        },
        {
          "name": "American Association for Laboratory Accreditation",
          "abbr": "A2LA",
          "note": "A US accreditation body that assesses testing and calibration laboratories against ISO/IEC 17025 and issues accredited scopes of testing."
        },
        {
          "name": "ANSI National Accreditation Board",
          "abbr": "ANAB",
          "note": "A US accreditation body (a subsidiary of ANSI) that accredits testing and calibration laboratories to ISO/IEC 17025, among other programs."
        }
      ]
    },
    {
      "slug": "how-to-choose-an-environmental-testing-lab",
      "name": "How to Choose an Environmental Testing Lab",
      "category": "testing-discipline",
      "url": "https://specialtylabsindex.com/guides/how-to-choose-an-environmental-testing-lab",
      "primary_keyword": "environmental testing lab",
      "search_volume": 150,
      "aka": [
        "environmental lab",
        "water testing lab",
        "soil testing lab"
      ],
      "methods": [
        "EPA Method 8260/8270 (VOCs/SVOCs by GC-MS)",
        "EPA Method 200/6010/6020 (metals by ICP)",
        "EPA Method 537/533 (PFAS)",
        "Microbiology and pathogen testing (coliform, E. coli)",
        "Air emissions and stack testing",
        "Soil and groundwater characterization panels"
      ],
      "standards_bodies": [
        {
          "name": "U.S. Environmental Protection Agency",
          "abbr": "EPA",
          "note": "Publishes the reference analytical methods (the '8000' and '200' series, among others) most environmental lab reports are run and reported against."
        },
        {
          "name": "National Environmental Laboratory Accreditation Program",
          "abbr": "NELAP",
          "note": "A cooperative accreditation program that recognizes state and other accrediting bodies which certify environmental labs to a common quality standard (TNI/NELAC standards)."
        },
        {
          "name": "International Organization for Standardization",
          "abbr": "ISO",
          "note": "ISO/IEC 17025 is the general competence standard environmental labs are typically accredited against, alongside their program-specific NELAP/state certification."
        }
      ]
    },
    {
      "slug": "how-to-choose-a-chemical-testing-lab",
      "name": "How to Choose a Chemical Testing Lab",
      "category": "testing-discipline",
      "url": "https://specialtylabsindex.com/guides/how-to-choose-a-chemical-testing-lab",
      "primary_keyword": "chemical testing lab",
      "search_volume": 150,
      "aka": [
        "chemical analysis lab",
        "chemical composition testing"
      ],
      "methods": [
        "Gas chromatography-mass spectrometry (GC-MS)",
        "High-performance liquid chromatography (HPLC)",
        "Inductively coupled plasma spectroscopy (ICP-OES/MS)",
        "Fourier-transform infrared spectroscopy (FTIR)",
        "Total organic carbon and wet chemistry panels",
        "Elemental and trace-metals analysis"
      ],
      "standards_bodies": [
        {
          "name": "American Society for Testing and Materials",
          "abbr": "ASTM",
          "note": "Publishes many of the referenced chemical test methods (e.g. ASTM D-series) used in materials and product formulations."
        },
        {
          "name": "International Organization for Standardization",
          "abbr": "ISO",
          "note": "ISO/IEC 17025 is the general accreditation standard chemical testing labs are assessed against for a specific, named scope of methods."
        },
        {
          "name": "U.S. Pharmacopeia",
          "abbr": "USP",
          "note": "Publishes chemical testing monographs and reference standards used for pharmaceutical and some dietary-supplement chemical testing, referenced factually where a lab's scope includes USP methods."
        }
      ]
    },
    {
      "slug": "astm-accredited-testing-lab-buyers-guide",
      "name": "How to Find an ASTM-Accredited Testing Lab",
      "category": "lab-sourcing",
      "url": "https://specialtylabsindex.com/guides/astm-accredited-testing-lab-buyers-guide",
      "primary_keyword": "astm testing lab",
      "search_volume": 100,
      "aka": [
        "ASTM accredited lab",
        "ISO 17025 accredited lab",
        "accredited calibration lab"
      ],
      "methods": [
        "ISO/IEC 17025 general competence assessment",
        "On-site accreditation body audit and proficiency testing review",
        "Scope-of-accreditation issuance naming specific ASTM/ISO methods or calibration parameters",
        "Periodic reassessment and surveillance audits"
      ],
      "standards_bodies": [
        {
          "name": "American Society for Testing and Materials",
          "abbr": "ASTM",
          "note": "Publishes the consensus test-method standards labs are assessed against; ASTM itself does not accredit laboratories."
        },
        {
          "name": "International Organization for Standardization",
          "abbr": "ISO",
          "note": "ISO/IEC 17025 is the general international standard for the competence of testing and calibration laboratories, used as the assessment basis by accreditation bodies worldwide."
        },
        {
          "name": "American Association for Laboratory Accreditation",
          "abbr": "A2LA",
          "note": "A US-based, ILAC-recognized accreditation body that audits and accredits testing and calibration laboratories against ISO/IEC 17025."
        },
        {
          "name": "ANSI National Accreditation Board",
          "abbr": "ANAB",
          "note": "A US-based, ILAC-recognized accreditation body (operated by ANSI) that accredits testing and calibration laboratories, certification bodies, and inspection bodies."
        },
        {
          "name": "International Laboratory Accreditation Cooperation",
          "abbr": "ILAC",
          "note": "The international body whose Mutual Recognition Arrangement (MRA) is the benchmark for whether a national accreditation body's credentials are internationally recognized."
        }
      ]
    },
    {
      "slug": "what-is-a-third-party-testing-lab",
      "name": "What Is a Third-Party Testing Lab (and When You Need One)",
      "category": "lab-sourcing",
      "url": "https://specialtylabsindex.com/guides/what-is-a-third-party-testing-lab",
      "primary_keyword": "third party testing lab",
      "search_volume": 60,
      "aka": [
        "third-party lab",
        "independent testing lab"
      ],
      "methods": [
        "Independence and conflict-of-interest screening (no ownership/financial ties to the tested party)",
        "Accredited or referenced standard test methods (ASTM, ISO, or regulatory-specific)",
        "Blind or coded sample submission where applicable",
        "Documented chain of custody from sample receipt to report"
      ],
      "standards_bodies": [
        {
          "name": "International Organization for Standardization",
          "abbr": "ISO",
          "note": "ISO/IEC 17025 accreditation is the technical-competence backing that should accompany a genuine third-party independence claim, though accreditation and independence are two separate things to verify."
        },
        {
          "name": "International Laboratory Accreditation Cooperation",
          "abbr": "ILAC",
          "note": "Sets the international mutual-recognition framework that determines whether a given national accreditation body's third-party lab accreditations are broadly recognized."
        }
      ]
    },
    {
      "slug": "how-to-choose-a-product-testing-laboratory",
      "name": "How to Choose a Product Testing Laboratory",
      "category": "testing-discipline",
      "url": "https://specialtylabsindex.com/guides/how-to-choose-a-product-testing-laboratory",
      "primary_keyword": "product testing laboratory",
      "search_volume": 50,
      "aka": [
        "product safety testing lab",
        "NRTL",
        "product compliance testing"
      ],
      "methods": [
        "Electrical safety testing (dielectric, ground continuity, leakage current)",
        "Flammability and materials safety testing",
        "EMC/EMI testing",
        "Mechanical hazard and durability/cycle testing",
        "Ingress protection (IP/NEMA) testing",
        "Age and environmental stress testing"
      ],
      "standards_bodies": [
        {
          "name": "Occupational Safety and Health Administration",
          "abbr": "OSHA",
          "note": "Maintains the public list of Nationally Recognized Testing Laboratories (NRTLs) authorized to certify certain product categories for US workplace and electrical-code compliance."
        },
        {
          "name": "International Electrotechnical Commission",
          "abbr": "IEC",
          "note": "Publishes international electrical and electronic product safety standards referenced by many national certification marks."
        },
        {
          "name": "American Society for Testing and Materials",
          "abbr": "ASTM",
          "note": "Publishes many US consumer and industrial product safety and performance standards (flammability, mechanical hazard, durability) referenced in product testing."
        },
        {
          "name": "American National Standards Institute",
          "abbr": "ANSI",
          "note": "Coordinates the US voluntary standards system and accredits standards-developing organizations whose product standards many labs test against."
        }
      ]
    },
    {
      "slug": "failure-analysis-laboratory-buyers-guide",
      "name": "Failure Analysis Laboratory: A Buyer's Guide",
      "category": "testing-discipline",
      "url": "https://specialtylabsindex.com/guides/failure-analysis-laboratory-buyers-guide",
      "primary_keyword": "failure analysis laboratory",
      "search_volume": 50,
      "aka": [
        "failure analysis lab",
        "root cause failure analysis"
      ],
      "methods": [
        "Fractography and scanning electron microscopy (SEM)",
        "Metallography and microstructure examination",
        "Chemical composition verification against spec",
        "Corrosion mechanism identification",
        "Fatigue striation analysis",
        "Non-destructive examination prior to sectioning (to preserve evidence)"
      ],
      "standards_bodies": [
        {
          "name": "American Society for Testing and Materials",
          "abbr": "ASTM",
          "note": "Publishes fractography, metallography, and failure-investigation-adjacent test method standards referenced in failure analysis work."
        },
        {
          "name": "ASM International",
          "abbr": "ASM",
          "note": "A materials-science professional society whose failure-analysis handbooks and reference materials are widely used by practicing failure analysts, referenced factually as an industry reference body, not an accreditor."
        }
      ]
    },
    {
      "slug": "ndt-testing-services-buyers-guide",
      "name": "NDT Testing Services: A Buyer's Guide",
      "category": "testing-discipline",
      "url": "https://specialtylabsindex.com/guides/ndt-testing-services-buyers-guide",
      "primary_keyword": "ndt testing services",
      "search_volume": 40,
      "aka": [
        "non-destructive testing",
        "NDT inspection services"
      ],
      "methods": [
        "Ultrasonic testing (UT)",
        "Radiographic testing (RT)",
        "Magnetic particle inspection (MT)",
        "Liquid/dye penetrant inspection (PT)",
        "Eddy current testing (ET)",
        "Visual inspection (VT)"
      ],
      "standards_bodies": [
        {
          "name": "American Society for Nondestructive Testing",
          "abbr": "ASNT",
          "note": "Publishes SNT-TC-1A and CP-189, the widely referenced recommended practices for qualifying and certifying NDT technicians by method and level."
        },
        {
          "name": "American Society of Mechanical Engineers",
          "abbr": "ASME",
          "note": "Publishes the Boiler and Pressure Vessel Code, which includes NDT acceptance criteria referenced on many pressure-equipment and welding inspection jobs."
        },
        {
          "name": "American Petroleum Institute",
          "abbr": "API",
          "note": "Publishes inspection and NDT-adjacent standards (such as API 510/570/653) referenced on petrochemical and pipeline in-service inspection work."
        }
      ]
    }
  ]
}