Independently Audited · ISO/IEC 17025:2017

Our Accreditations & Certifications

Every analytical method we run is held to the same standard required by federal regulators, courts, and the U.S. Department of Defense. AGT Labs maintains six independently verifiable accreditations across industrial hygiene, environmental microbiology, asbestos, and mold analysis — with full scope details, certificate numbers, and verification links published below.

6
Active Accreditations
117
Accredited Methods
12
Analytical Platforms
25+
Years Accredited
25+ Years · Unbroken Track Record

Continuously Accredited Since the Year 2000

Most labs add accreditations as they grow. Few maintain unbroken accreditation for over two decades. AGT Labs has held continuous AIHA-LAP accreditation since February 1, 2000 — across every annual proficiency round, every on-site assessment, and every revision of ISO/IEC 17025.

2000
Initial AIHA-LAP Accreditation
Industrial Hygiene Lab
2017
ISO/IEC 17025:2017 Transition
All scopes upgraded
2025
PJLA DoD-ELAP Added
Federal & defense scope
2025
AIHA-LAP Renewal
Revision 21 · Scope refreshed
2026
All Six Active
117 accredited methods
At-A-Glance

Accreditation Summary

All certificate numbers, scopes, and expiration dates at a glance. Click any accreditation in the table to jump to its full method scope below.

Accreditation Body Identifier Scope Issued / Expires Status
AIHA-LAP, LLC
Industrial Hygiene + Environmental Microbiology
LAP-101470 ISO/IEC 17025:2017 — IHLAP & EMLAP
117 methods across 12 platforms
Issued 02/03/2025
Expires 10/01/2026
Active
NVLAP / NIST
National Voluntary Laboratory Accreditation Program
101793-0 ISO/IEC 17025:2017 — Asbestos Fiber Analysis
EPA 40 CFR Part 763 & EPA 600/R-93/116
Effective 01/01/2026
Expires 12/31/2026
Active
PJLA / DoD-ELAP
U.S. Dept. of Defense Environmental Lab Accreditation
71390-1 ISO/IEC 17025:2017 + DoD/DOE QSM v5.4
Asbestos PLM (solid) & PCM (air)
Issued 05/14/2025
Expires 02/21/2027
Active
Texas DSHS
Department of State Health Services
300529 Asbestos Laboratory License — PCM, PLM
TX Occupations Code Ch. 1954 / TX Admin. Code Ch. 295

Expires 08/18/2027
Active
Texas TDLR
Department of Licensing and Regulation
LAB1070 Mold Analysis Laboratory License
Spore trap, culture, surface & bulk mold analysis

Expires 11/13/2027
Active
Accreditation 1 of 5 · ISO/IEC 17025:2017

AIHA Laboratory Accreditation Programs (AIHA-LAP)

Our broadest scope. AIHA-LAP, LLC accredits laboratories under the ISO/IEC 17025:2017 international standard for the technical competence of testing laboratories. AGT Labs has held continuous AIHA-LAP accreditation since February 1, 2000.

Active ISO/IEC 17025:2017 ILAC-MRA Continuous Since 2000
View PDF AIHA-LAP IHLAP Certificate of Accreditation for AGT IH Labs, Lab ID LAP-101470, accredited under ISO/IEC 17025:2017 for Industrial Hygiene and Environmental Microbiology programs
Lab Accreditation ID LAP-101470
First AccreditedFeb 1, 2000
Cert IssuedFeb 3, 2025
Scope IssuedMay 6, 2025
ExpiresOct 1, 2026
Download Full Certificate & Scope (PDF)

AIHA-LAP IHLAP & EMLAP — 117 Accredited Methods Across 12 Platforms

AIHA-LAP, LLC operates two of the most rigorous laboratory accreditation programs for occupational health analysis in the United States — the Industrial Hygiene Laboratory Accreditation Program (IHLAP) for chemistry-based exposure analysis, and the Environmental Microbiology Laboratory Accreditation Program (EMLAP) for fungal, bacterial, and bioaerosol analysis. AGT Labs holds active accreditation under both programs.

The IHLAP scope alone covers 117 individual analytical method entries spanning 12 instrumental platforms — making it one of the broadest industrial hygiene accreditation scopes among independent U.S. testing laboratories. Continued accreditation requires successful on-site assessments, ongoing proficiency testing, and demonstrated quality system performance.

What This Means For You

If you're submitting industrial hygiene exposure data to OSHA, NIOSH, or in litigation — your results carry the same evidentiary weight regardless of which method we run. This single accreditation covers nearly every regulated airborne contaminant: solvents, metals, silica, mercury, PCBs, formaldehyde, ammonia, asbestos in air, and more.

Programs Held

Industrial Hygiene
Environmental Microbiology

Accreditation Standard

ISO/IEC 17025:2017

Total Scope

117 methods · 12 platforms

Accredited Analytical Platforms & Methods

GC/FID
81
IC
10
HPLC
7
XRD
4
ICP/AES
4
CVAA
3
GC/MS
2
Gravimetric
2
GC/ECD & Diffusive
2
UV/VIS
1
PCM
1

Total: 117 method entries across 12 analytical platforms (per AIHA-LAP scope, Issue Date 05/06/2025). Below, method and method-modified pairs are shown together for readability.

Method Analyte / Component Reference Body
Gas Chromatography — FID Detector
Hydrocarbons, alcohols, amines, aldehydes, BTEX, organic acids, glycols, phthalates
52 methods
NIOSH 1001 / 1001 ModMethyl ChlorideNIOSH
NIOSH 1003 / 1003 ModHydrocarbonsNIOSH
NIOSH 1005 / 1005 ModHydrocarbonsNIOSH
NIOSH 1007 / 1007 ModHydrocarbonsNIOSH
NIOSH 1010 / 1010 ModHydrocarbonsNIOSH
NIOSH 1015 / 1015 ModHydrocarbonsNIOSH
NIOSH 1022 / 1022 ModHydrocarbonsNIOSH
NIOSH 1024HydrocarbonsNIOSH
NIOSH 1300 / 1300 ModHydrocarbonsNIOSH
NIOSH 1301 / 1301 ModHydrocarbonsNIOSH
NIOSH 1400 / 1400 ModHydrocarbonsNIOSH
NIOSH 1401 / 1401 ModAlcoholsNIOSH
NIOSH 1402 / 1402 ModHydrocarbonsNIOSH
NIOSH 1403 / 1403 ModHydrocarbonsNIOSH
NIOSH 1450HydrocarbonsNIOSH
NIOSH 1452 / 1452 ModHydrocarbonsNIOSH
NIOSH 1453 / 1453 ModHydrocarbonsNIOSH
NIOSH 1454 / 1454 ModHydrocarbonsNIOSH
NIOSH 1457 / 1457 ModHydrocarbonsNIOSH
NIOSH 1458 / 1458 ModHydrocarbonsNIOSH
NIOSH 1500 / 1500 ModHydrocarbonsNIOSH
NIOSH 1501 / 1501 ModHydrocarbons (BTEX, aromatic)NIOSH
NIOSH 1550HydrocarbonsNIOSH
NIOSH 1552HydrocarbonsNIOSH
NIOSH 1603Organic AcidsNIOSH
NIOSH 1604 / 1604 ModAcrylonitrileNIOSH
NIOSH 1606 / 1606 ModHydrocarbonsNIOSH
NIOSH 1609 / 1609 ModHydrocarbonsNIOSH
NIOSH 1610 / 1610 ModHydrocarbonsNIOSH
NIOSH 1611HydrocarbonsNIOSH
NIOSH 1612 / 1612 ModPropylene OxideNIOSH
NIOSH 1613 / 1613 ModHydrocarbonsNIOSH
NIOSH 1614 ModHydrocarbonsNIOSH
NIOSH 1615 / 1615 ModHydrocarbonsNIOSH
NIOSH 2000HydrocarbonsNIOSH
NIOSH 2002AminesNIOSH
NIOSH 2012AminesNIOSH
NIOSH 2500HydrocarbonsNIOSH
NIOSH 2537HydrocarbonsNIOSH
NIOSH 2539AldehydesNIOSH
NIOSH 2541AldehydesNIOSH
NIOSH 2546Cresol & PhenolNIOSH
NIOSH 2553HydrocarbonsNIOSH
NIOSH 2562 / 2562 ModHydrocarbonsNIOSH
NIOSH 5020PhthalatesNIOSH
NIOSH 5523GlycolsNIOSH
OSHA 1002XylenesOSHA
OSHA 1005BenzeneOSHA
OSHA 111TolueneOSHA
OSHA 19 / 19 ModHydrocarbonsOSHA
OSHA 4000TolueneOSHA
OSHA 72FurfuralOSHA
Gas Chromatography — Mass Spectrometry (GC/MS)
Volatile hydrocarbons via Summa canister and thermal desorption tubes
2 methods
EPA 325BVolatile HydrocarbonsEPA
EPA TO-15Volatile Hydrocarbons (Summa canister VOCs)EPA
Gas Chromatography — ECD & Diffusive Sampler
PCB analysis & passive badge sampling for organic hydrocarbons
2 methods
NIOSH 5503Polychlorinated Biphenyls (PCBs) — GC/ECDNIOSH
In-houseOrganic Hydrocarbons in Badges (Diffusive Sampler / GC)AGT Labs
Ion Chromatography (IC)
Inorganic acids, ozone, hexavalent chromium, sulfur dioxide, halogens
10 methods
NIOSH 6004Sulfur Dioxide (SO₂)NIOSH
NIOSH 6011Chlorine & BromineNIOSH
NIOSH 7906Inorganic AcidsNIOSH
NIOSH 7907Inorganic AcidsNIOSH
NIOSH 7908Inorganic AcidsNIOSH
OSHA 214Ozone (O₃)OSHA
OSHA ID-165SGInorganic AcidsOSHA
OSHA ID-186SGOrganic AcidsOSHA
OSHA ID-215 (v2)Hexavalent Chromium (Cr VI)OSHA
OSHA PV2119Acetic AcidOSHA
High-Performance Liquid Chromatography (HPLC)
Diisocyanates, aldehydes, formaldehyde, PAHs — UV & Fluorescence detection
7 methods
OSHA 42Diisocyanates (TDI, MDI, HDI) — HPLC/FLOSHA
OSHA 42Diisocyanates — HPLC/UVOSHA
EPA TO-11Aldehydes — HPLC/UVEPA
NIOSH 2016Aldehydes — HPLC/UVNIOSH
NIOSH 5506Polynuclear Aromatic Hydrocarbons (PAHs) — HPLC/UVNIOSH
OSHA 1007Formaldehyde — HPLC/UVOSHA
OSHA 64Aldehydes — HPLC/UVOSHA
Inductively Coupled Plasma — Atomic Emission (ICP/AES)
Multi-element metals analysis in air, surface wipes, and bulk media
4 methods
NIOSH 7300 ModifiedMetals (Multi-element)NIOSH
NIOSH 7303Metals (Multi-element)NIOSH
NIOSH 9100Metals (Wipe samples)NIOSH
OSHA 125G ModifiedMetalsOSHA
X-Ray Diffraction (XRD)
Crystalline silica (quartz, cristobalite) per OSHA 1910.1053
4 methods
NIOSH 7500Silica, Crystalline (Quartz)NIOSH
NIOSH 7500CristobaliteNIOSH
OSHA ID-142 (v4)Silica, Crystalline (Quartz)OSHA
OSHA ID-142 (v4)CristobaliteOSHA
Cold Vapor Atomic Absorption (CVAA)
Mercury vapor — chlor-alkali, dental, lamp recycling
3 methods
NIOSH 6009MercuryNIOSH
OSHA ID-140MercuryOSHA
OSHA ID-145MercuryOSHA
Gravimetric Analysis
Total & respirable dust — particulate mass determination
2 methods
NIOSH 0500Total DustNIOSH
NIOSH 0600Respirable DustNIOSH
UV/VIS Spectrophotometry (Colorimetric)
Ammonia and other absorbance-based analytes
1 method
NIOSH 6015Ammonia (NH₃)NIOSH
Phase Contrast Microscopy (PCM)
Airborne fiber counting — asbestos worker exposure monitoring
1 method
NIOSH 7400Asbestos / FibersNIOSH

Note: Full method scope, revision dates, and field-of-testing categories are detailed in the official AIHA-LAP Scope of Accreditation document. Method codes and platform classifications shown here mirror the IHLAP scope categories (Asbestos/Fiber Microscopy Core, Chromatography Core, Spectrometry Core, Miscellaneous Core).

Accreditation 2 of 5 · ISO/IEC 17025:2017

NVLAP — National Voluntary Laboratory Accreditation Program

Administered by the National Institute of Standards and Technology (NIST) under the U.S. Department of Commerce. NVLAP is the recognized accreditation program for asbestos fiber analysis in bulk building materials and is required for many federal and state asbestos abatement projects.

Active ISO/IEC 17025:2017 ILAC-MRA NIST / U.S. DOC
View PDF NVLAP Certificate of Accreditation to ISO/IEC 17025:2017 for AGT Labs, Lab Code 101793-0, Asbestos Fiber Analysis, issued by U.S. Department of Commerce NIST, effective 2026-01-01 through 2026-12-31
NVLAP Lab Code 101793-0
ScopeAsbestos Fiber Analysis
EffectiveJan 1, 2026
ExpiresDec 31, 2026
AuthorityNIST / DOC
Download Full Certificate & Scope (PDF)

Bulk Asbestos Analysis — NVLAP Lab Code 101793-0

NVLAP accreditation is the gold-standard credential for asbestos bulk material analysis in the United States. Issued under ISO/IEC 17025:2017, NVLAP accreditation demonstrates that a laboratory has met the technical competence requirements established by NIST through proficiency testing, documented quality systems, and on-site assessment.

Most state asbestos programs and federal renovation/demolition projects under EPA AHERA and NESHAP require analysis by an NVLAP-accredited laboratory. AGT Labs has held continuous NVLAP accreditation for asbestos fiber analysis under Lab Code 101793-0.

What This Means For You

If you're an AHERA-certified inspector, demolition contractor, school district, or property owner — NVLAP is the credential federal and most state regulators specifically require for asbestos PLM bulk analysis. Reports issued under Lab Code 101793-0 are accepted nationwide for AHERA, NESHAP, OSHA 1926.1101, and HUD lead/asbestos projects.

Lab Code

101793-0

Accreditation Type

Asbestos Fiber Analysis (Bulk)

International Status

ILAC-MRA Recognized

Bulk Asbestos Analysis — Accredited Methods

CodeMethod ReferenceDescriptionMatrix
18/A01 EPA 40 CFR Appendix E to Subpart E of Part 763 Interim Method for the Determination of Asbestos in Bulk Insulation Samples Bulk Insulation
18/A03 EPA 600/R-93/116 Method for the Determination of Asbestos in Bulk Building Materials Bulk Building Materials

Both methods are performed by Polarized Light Microscopy (PLM) with dispersion staining, the EPA-recognized technique for identifying and quantifying asbestos in solid building materials. Used for pre-renovation surveys, AHERA inspections, and state-mandated abatement clearance work.

Accreditation 3 of 5 · ISO/IEC 17025:2017 + DoD/DOE QSM v5.4

PJLA / DoD-ELAP — Defense Environmental Laboratory Accreditation

Required to perform environmental testing for the U.S. Department of Defense and U.S. Department of Energy. AGT Labs is one of a limited number of laboratories nationwide accredited under DoD-ELAP for asbestos analysis on military installations.

Active ISO/IEC 17025:2017 DoD/DOE QSM v5.4 Federal Eligible
View PDF Perry Johnson Laboratory Accreditation Certificate for AGT Labs, Inc., DoD-ELAP Environmental Testing under ISO/IEC 17025:2017 and DoD/DOE QSM v5.4, Accreditation No. 71390-1, Certificate L25-146-1, expires February 21, 2027
PJLA Accreditation No. 71390-1
CertificateL25-146-1
IssuedMay 14, 2025
ExpiresFeb 21, 2027
AuthorityPJLA / DoD-ELAP
Download Full Certificate & Supplement (PDF)

Environmental Testing — DoD-ELAP Asbestos Scope

The Department of Defense Environmental Laboratory Accreditation Program (DoD-ELAP) is administered by accredited bodies like Perry Johnson Laboratory Accreditation, Inc. (PJLA), and is mandatory for any laboratory performing environmental analysis on U.S. military installations or DOE-managed sites. DoD-ELAP labs operate under the DoD/DOE Quality Systems Manual (QSM) Version 5.4, which adds defense-specific quality controls on top of standard ISO/IEC 17025 requirements.

This accreditation makes AGT Labs eligible for projects involving BRAC (Base Realignment and Closure) remediation, military housing renovation, federal facility compliance under UFC 3-490-04A, and DOE site environmental management.

What This Means For You

If you're a federal contractor, A&E firm, or environmental consultant working on a DoD installation, military housing project, or DOE site — your asbestos sample data must come from a DoD-ELAP accredited lab. Many commercial labs hold ISO 17025 alone but cannot perform DoD work. We can.

Accreditation Body

PJLA (Perry Johnson Laboratory Accreditation, Inc.)

Standard

ISO/IEC 17025:2017 + DoD/DOE QSM v5.4

Eligible Programs

DoD installations · DOE sites · BRAC

DoD-ELAP Accredited Methods

MethodTechniqueAnalyteMatrixTNI Code
EPA 600/R-93/116 Polarized Light Microscopy (PLM) Asbestos (TNI 1520) Solid 10294583
NIOSH 7400 Phase Contrast Microscopy (PCM) Asbestos (TNI 1520) Air 90018001

Method codes are based on The NELAC Institute (TNI) Laboratory Accreditation Management System (LAMS) and represent the method/technology used for proficiency testing under DoD-ELAP. The validity of this certificate is maintained through ongoing assessments on a continuous accreditation cycle.

Accreditation 4 of 5 · State License

Texas Asbestos Laboratory License (DSHS)

Issued by the Texas Department of State Health Services under the Texas Asbestos Health Protection Rules. Required for any laboratory analyzing asbestos samples connected to Texas building renovation, demolition, or abatement projects.

Active Texas DSHS PLM & PCM TX Occ. Code Ch. 1954
View PDF Texas Department of State Health Services Asbestos Laboratory License for AGT Labs Inc DBA AGT Labs, License Number 300529, Control Number 96904, certified for PCM and PLM analysis, expires August 18, 2027, signed by Jennifer Shuford MD MPH Commissioner of Health
Texas DSHS License No. 300529
Control No.96904
AuthorityTX DSHS
TypeAsbestos Lab
ExpiresAug 18, 2027
Download Full License (PDF)

Texas Asbestos Laboratory — License No. 300529

This license certifies AGT LABS INC DBA AGT LABS as an authorized Asbestos Laboratory in the State of Texas, governed by the rights, privileges, and responsibilities set forth in Texas Occupations Code, Chapter 1954 and Title 12, Texas Administrative Code, Chapter 295 relating to Texas Asbestos Health Protection.

Texas requires that any asbestos sample collected from a project under state jurisdiction be analyzed by a DSHS-licensed laboratory. This license covers both Polarized Light Microscopy (PLM) for bulk material analysis and Phase Contrast Microscopy (PCM) for airborne fiber counting.

What This Means For You

If your asbestos project is anywhere in Texas — a Houston demolition, a Dallas school renovation, an Austin commercial retrofit — Texas state law requires that your bulk PLM and air PCM samples be analyzed by a DSHS-licensed laboratory. Out-of-state labs without this license cannot legally produce data for Texas asbestos abatement projects.

License Type

Asbestos Laboratory
(PCM & PLM)

Issuing Authority

Texas DSHS
Commissioner of Health

Regulatory Code

TX Admin. Code Title 12, Ch. 295

License Coverage

MethodDescriptionMatrixTypical Use Case
PLM Polarized Light Microscopy Bulk Materials Pre-renovation building material identification
PCM Phase Contrast Microscopy Air Airborne fiber counting during & after abatement

License is non-transferable and void if altered. Validity is contingent on the license not being suspended or revoked.

Accreditation 5 of 5 · State License

Texas Mold Analysis Laboratory License (TDLR)

Issued by the Texas Department of Licensing and Regulation. Required to perform analytical mold testing on samples collected by Texas-licensed Mold Assessors and Mold Remediation Contractors under the Texas Mold Assessment and Remediation Rules.

Active Texas TDLR Mold Analysis Pairs with EMLAP
View PDF Texas Department of Licensing and Regulation Mold Analysis Laboratory License for AGT Labs Inc, License Number LAB1070, expires November 13, 2027, signed by Courtney Arbour Executive Director
Texas TDLR License No. LAB1070
Reference11967665-LAB1070
AuthorityTexas TDLR
TypeMold Analysis Lab
ExpiresNov 13, 2027
Download Full License (PDF)

Mold Analysis Laboratory — License LAB1070

The Texas Department of Licensing and Regulation (TDLR) administers Texas's mold assessment and remediation program. Texas law requires that mold samples connected to indoor environmental investigations, water-damage claims, and remediation clearance projects be analyzed by a TDLR-licensed Mold Analysis Laboratory. AGT Labs holds active license LAB1070, valid through November 13, 2027.

This state license complements our AIHA-LAP EMLAP accreditation for environmental microbiology, giving Texas clients a single laboratory that satisfies both state regulatory requirements and ISO/IEC 17025:2017 quality standards on every mold sample.

What This Means For You

If you're a TDLR-licensed Mold Assessment Consultant or Remediation Contractor, an insurance adjuster handling water-damage claims, or a Texas property owner — your mold tape lifts, swabs, bulk samples, and air-O-cell cassettes must be analyzed by a TDLR-licensed lab to produce results valid for Texas Mold Assessment Reports and Mold Remediation Protocols.

License Type

Mold Analysis Laboratory

Issuing Authority

TDLR — Executive Director

Pairs With

AIHA-LAP EMLAP
(LAP-101470)

Mold Analysis Methods Covered

Method TypeDescriptionSample FormatTurnaround
Spore TrapDirect microscopic identification & counting of airborne fungal sporesAir-O-Cell, Allergenco, Micro5, Bio-SISStandard 7 days · Rush 1–4 days
Direct MicroscopyVisual fungal identification on tape lifts & surface liftsBio-Tape, swab, lift slideStandard 7 days · Rush 1–4 days
Bulk MoldDirect exam & culture of suspected materialsDrywall, wood, fabric, dustStandard 7 days · Rush available
Viable CultureLive fungal isolation & species-level IDAndersen, swab, bulk14–21 days (growth dependent)
qPCR / ERMIDNA-based mold quantification (when requested)Vacuum dust cassetteStandard 10 days

Mold analysis turnaround surcharges follow our standard rush schedule (1-day +100%, 2-day +75%, 3-day +50%, 4-day +25%). Viable culture work is dependent on biological growth rates.

Why It Matters

What Accreditation Actually Means For Your Project

Anyone can call themselves a "lab." Accreditation is what separates a private testing operation from one whose results are accepted by OSHA, the EPA, the courts, and the U.S. military.

Defensible In Court

ISO/IEC 17025:2017 accredited results carry evidentiary weight in OSHA enforcement actions, workers' compensation claims, indoor air quality litigation, and asbestos liability cases. Non-accredited results often don't.

Continuous Oversight

Accreditation isn't a one-time stamp. It requires ongoing on-site assessments, blind proficiency testing rounds, internal audits, and method validations — every year, on every accredited method.

International Recognition

NVLAP, AIHA-LAP, and PJLA are all signatories to the ILAC Mutual Recognition Arrangement. Our reports are accepted in over 100 countries — useful for global manufacturers, multinational employers, and export compliance.

Federal & Defense Eligible

DoD-ELAP accreditation makes our asbestos work eligible for U.S. military installations, BRAC remediation projects, and DOE managed sites — a credential most commercial labs don't carry.

Method Traceability

Every accredited method is traceable to its published reference (NIOSH, OSHA, EPA, AHERA). Your final report cites the exact method version run, so your consultants and regulators know exactly what was measured and how.

Multiple Independent Bodies

Three different accreditation bodies (NVLAP, AIHA-LAP, PJLA) plus two state regulators — each independently auditing different aspects of our quality system. No single point of failure in oversight.

Beyond The Stamp

What Holds The Accreditation Up

An accreditation certificate is the visible proof. The real work happens daily — in personnel competence, proficiency testing, internal QC, and chain-of-custody discipline. ISO/IEC 17025:2017 doesn't just require a quality manual; it requires that each of these be demonstrably operating on every sample we run.

Personnel Competence

ISO 17025 §6.2 requires documented competence for every analyst on every accredited method. Our staff competence file includes:

  • Initial demonstration of capability (IDOC) on each method before unsupervised work
  • Continued demonstration of capability via blind QC samples
  • NIOSH 582 training for all PCM (asbestos air) analysts
  • NVLAP-required training for PLM bulk asbestos analysts
  • Documented role-specific training for microbiology, IC, GC/MS, and ICP analysts

Proficiency Testing (PT)

Each accredited method is verified by blind, third-party-administered proficiency testing rounds — every year, on every method, without exception:

  • AIHA-PAT rounds for Industrial Hygiene chemistry methods
  • AIHA-EMPAT rounds for Environmental Microbiology methods
  • NIST NVLAP proficiency rounds for asbestos PLM bulk analysis
  • DoD/DOE QSM v5.4 PT requirements for ELAP-scope methods
  • Failed-round corrective action documented and audited per ISO 17025 §7.7

Internal Quality Controls

Every analytical batch carries the QC controls required to validate the result before it leaves the lab — not a sampling, every run:

  • Method blanks to verify the system is contamination-free
  • Laboratory Control Samples (LCS) to verify accuracy at known concentrations
  • Matrix spikes & matrix spike duplicates (MS/MSD) for recovery and precision
  • Calibration verification standards bracketing every analytical run
  • Initial & continuing calibrations meeting method-specific %R and RSD criteria

Chain of Custody & Traceability

Defensible data starts before the sample arrives. Our COC and sample-handling protocol satisfies OSHA, EPA, AHERA, and DoD evidentiary requirements:

  • Unique laboratory ID assigned at receipt; original COC document retained
  • Sample condition, temperature, and integrity verified and recorded
  • Every transfer of custody (receipt → prep → analysis → archive) signed and dated
  • Reference standards and reagents traceable to NIST or certified suppliers
  • Sample retention and disposal logged per regulatory and client retention rules
Trust, But Verify

How To Independently Verify Each Accreditation

We publish our certificate numbers and the public verification source for every accreditation. You don't have to take our word for any of it.

NVLAP — NIST

Lab Code 101793-0

Search the NIST NVLAP directory for active Asbestos Fiber Analysis labs. Confirm Lab Code 101793-0 with current effective dates.

Verify at nist.gov/nvlap

AIHA-LAP, LLC

Lab ID LAP-101470

Use the AIHA Accredited Labs directory to confirm IHLAP and EMLAP scopes, expiration dates, and active status.

Verify at aihaaccreditedlabs.org

PJLA / DoD-ELAP

Accreditation No. 71390-1

Search the PJLA accredited labs directory. Certificate L25-146-1, valid through February 21, 2027.

Verify at pjlabs.com

Texas DSHS Asbestos

License No. 300529

Search the TX DSHS Asbestos Programs licensee directory by license number. Expires August 18, 2027.

Verify at dshs.texas.gov

Texas TDLR Mold

License LAB1070

Search the TDLR public license search for Mold Analysis Laboratory LAB1070. Expires November 13, 2027.

Verify at tdlr.texas.gov

Need Something Specific?

Direct Contact

If you need scope letters, certificate copies for a specific bid package, or method-specific accreditation confirmation, our QA team can email documentation the same business day.

Email qa@agtlabs.com

Need a Scope Letter or Certificate For Your Project?

Whether it's an OSHA compliance audit, a federal bid package, or a court submission — we can supply the exact accreditation documentation you need, fast.

Common Questions

Accreditation FAQ

What is ISO/IEC 17025:2017 and why does it matter?

ISO/IEC 17025:2017 is the international standard for the technical competence of testing and calibration laboratories. Accreditation under this standard is granted only after rigorous, on-site assessment of a lab's quality management system, equipment, methods, personnel competence, and proficiency testing performance.

AGT Labs holds ISO/IEC 17025:2017 accreditation under three independent bodies — AIHA-LAP, NVLAP, and PJLA.

How do I independently verify all of these accreditations?

All five accreditations are publicly verifiable:

• NVLAP Lab Code 101793-0 → nist.gov/nvlap
• AIHA-LAP Lab ID LAP-101470 → aihaaccreditedlabs.org
• PJLA Accreditation No. 71390-1 → pjlabs.com
• Texas DSHS Asbestos License 300529 → dshs.texas.gov
• Texas TDLR Mold License LAB1070 → tdlr.texas.gov

What does DoD-ELAP accreditation actually cover?

DoD-ELAP (U.S. Department of Defense Environmental Laboratory Accreditation Program) authorizes a lab to perform environmental testing on military installations, BRAC remediation projects, and Department of Energy sites.

AGT Labs holds PJLA DoD-ELAP accreditation No. 71390-1, valid through February 21, 2027, covering asbestos in solid materials by EPA 600/R-93/116 (PLM) and asbestos in air by NIOSH 7400 (PCM), under DoD/DOE QSM v5.4.

What is the difference between NVLAP and AIHA-LAP?

Both are ISO/IEC 17025:2017 accreditation programs, but they cover different scopes.

NVLAP (administered by NIST under the U.S. Department of Commerce) is the recognized accreditation for asbestos fiber analysis in bulk building materials. AIHA-LAP (administered by AIHA Laboratory Accreditation Programs, LLC) accredits laboratories for industrial hygiene chemistry methods (IHLAP) and environmental microbiology (EMLAP).

AGT Labs holds both — NVLAP Lab Code 101793-0 and AIHA-LAP Lab ID LAP-101470.

Are your reports accepted for OSHA enforcement & legal cases?

Yes. ISO/IEC 17025:2017 accredited results are accepted by OSHA, EPA, the Department of Defense, state regulatory agencies, and courts of law as defensible analytical data.

Our accreditations are recognized internationally through the ILAC Mutual Recognition Arrangement (ILAC-MRA), meaning our reports are accepted by signatory countries worldwide.

How many analytical methods does AGT Labs hold accreditation for?

AGT Labs maintains AIHA-LAP IHLAP accreditation for 117 individual industrial hygiene method entries spanning 12 analytical platforms — including GC/FID, GC/MS, GC/ECD, HPLC, Ion Chromatography, ICP/AES, XRD, CVAA, gravimetric, UV/VIS, and PCM.

Our scope is among the broadest IHLAP scopes among U.S. industrial hygiene testing laboratories. The full list of accredited methods is published in the AIHA-LAP section above.

How often are accreditations renewed?

NVLAP renews annually. AIHA-LAP operates on a 2-year cycle with annual surveillance. PJLA DoD-ELAP runs a continuous accreditation cycle with periodic on-site assessments. Texas DSHS asbestos licenses run 2 years; Texas TDLR mold licenses run 2 years.

Between renewals, accredited labs are continuously evaluated through proficiency testing rounds, internal audits, and method-by-method quality control performance.

Can you supply a scope letter for a specific bid package?

Yes. Our QA team supplies project-specific scope letters, certificate copies, and method confirmation documents the same business day. Email qa@agtlabs.com with your project requirements (specific methods, agency requirements, contract reference number) and we'll respond with the documentation you need.