ISO 17025 & 17034 CERTIFIED SPECIALTY GAS LABORATORY

Industrial Gas Supplier
& Specialty Gas
Laboratory in Miami

WSM is an ISO-accredited specialty gas laboratory in Miami, Florida. We manufacture certified gas mixtures, EPA Protocol gases, NIST-traceable standards, ultra high purity gases, and supply helium for MRI machines nationwide. Every calibration gas cylinder is produced, analyzed, and certified in-house.

In-House Manufacturing
All 50 States + LATAM
Ships 24–48h
53
Pure Gases Produced
UHP · Research · Electronic · Medical
400+
Certified Mixtures
Binary to 12+ Components
28,000+
Calibration Gas SKUs
Manufactured at Our Lab
5,000+
Certified Mixes / Year
Analyzed & Shipped from Miami
Our Laboratory

ISO-Accredited Specialty Gas Laboratory

The only laboratory in South Florida with ISO/IEC 17025, ISO 17034, and EPA PGVP certifications simultaneously. We manufacture certified gas mixtures, EPA protocol gases, and NIST-traceable gas standards — all in-house.

WSM specialty gas blending station — two lab technicians operating precision gas valve manifold
Precision gas blending station — ISO-accredited laboratory
WSM analytical instrumentation — flow meters and gas analyzers
Analytical instrumentation
WSM quality control — technician reviewing certified gas analysis data
Quality control & certification
ISO/IEC 17025:2017
CERT. L25-1002
Chemical Testing Laboratory
PJLA #125017 · ILAC-MRA · Valid thru Mar 2028
ISO 17034:2016
CERT. L25-1003
Reference Material Producer (CRM)
PJLA #125017 · ILAC-MRA · Valid thru Mar 2028
EPA PGVP
VENDOR Y12026
Protocol Gas Verification Program
Part 75 · 40 CFR Part 72 · NIST Traceable

What We Manufacture

From EPA Protocol standards to corrosive reactive blends — produced and certified under the highest international accreditations.

Certified Gas Mixtures

EPA Protocol Gases (PGVP, 40 CFR Part 72)
NIST-Traceable Primary Standards (Uncertainty k=2)
Multi-Component Blends (2 to 12+ gases)
Binary, Ternary & Quad Gas Mixtures
ppm & ppb Level Concentrations

Pure & UHP Gases

Ultra High Purity (UHP) — 99.999%+
Research Grade — 99.9995%+
Electronic Grade — 99.999%
Instrument & Certified Grade
Medical Grade (USP Compliant)

Reactive & Corrosive Gases

H₂S, SO₂, HCl, HCN, Cl₂, NH₃, PH₃
Sulfur: COS, Mercaptans, Odorant Cal
Proprietary Cylinder Treatment Process
Aluminum Cylinders for Maximum Stability
Full SDS & HAZMAT Documentation

Hydrocarbon & Process Gases

CH₄, C₂H₄, C₂H₆, C₃H₈, C₄H₁₀
LEL Calibration Blends
FID Fuel Gas (H₂/He, H₂/N₂)
Natural Gas Simulations
Petrochemical Analysis Standards

Medical & Laser Gases

Aerobic & Anaerobic Mixtures
Lung Diffusion & Blood Gas Blends
CO₂ Laser Gas Mixtures
USP & cGMP Compliant Documentation
FDA Certification Available

Calibration Gas for Detectors

4-Gas Mix: CO / H₂S / LEL / O₂
Bump Test & Span Gases
Portable & Fixed Detector Calibration
184+ Competitor Cross-References
Ships 24-48h from Stock

Accredited Analytical Technologies

Every mixture analyzed with NIST-traceable calibrated instruments:

GC-TCD — Gas Chromatography Thermal Conductivity
NDIR — Non-Dispersive Infrared (CO, CO₂, CH₄, SO₂, NOx)
GC-FID — Flame Ionization Detection (Hydrocarbons)
Paramagnetic & Electrochemical — O₂ Analysis
Plasma Emission — N₂ in Argon/Helium
Electrolytic — Moisture in Gas Products
Coulometric-Electrochemical Analysis
Gravimetry — Mass/Volume Preparation

From Raw Material to Certified Cylinder

01
Source Gas
Verified raw materials
02
Cylinder Prep
Cleaning, evacuation, proprietary treatment
03
Gravimetric Fill
Precision mass-based blending
04
Analysis
Multi-technology verification
05
Certification
COA · traceability · k=2
Liquid Helium / MRI
HeliStream — Liquid Helium Solutions for MRI

Helium for MRI Machines

WSM is a trusted liquid helium supplier for MRI facilities nationwide. We deliver liquid helium for MRI systems in pre-chilled liquid helium dewars (250L & 500L) with full on-site transfer service by trained cryogenic technicians. Scheduled and emergency fills across all 50 U.S. states and Latin America.

Our Liquid Helium MRI Service Includes:
Liquid helium supply — delivered in pre-chilled dewars
On-site MRI magnet transfer by trained cryogenic technicians
Pre-purged transfer lines — zero warm-up cycle at MRI site
Scheduled refill programs tailored to your magnet's consumption
Emergency fills available — all continental U.S.
Get HeliStream® Quote

Nationwide Coverage

All 50 U.S. States
Ground freight from strategic hubs · 24-48h for emergencies
Venezuela
ISO tank & dewar via Miami
Colombia
ISO tank & dewar via Miami
Mexico
ISO tank & dewar via Miami
Puerto Rico
Ocean freight from Miami
Dominican Republic
Ocean freight from Miami
Central & South America
PA, CR, GT + more
Products

Complete Gas Supply Solution

Five product lines from a single ISO-accredited source — specialty lab, helium, UHP gases, calibration, and bulk supply.

Liquid Helium for MRI

HeliStream® — WSM's Helium Service

Liquid helium for MRI magnet cooling (4.2K). Pre-chilled dewars, on-site transfer service, nationwide delivery. Also serves NMR, aerospace, and semiconductor cooling applications.

250L & 500L DewarsOn-Site TransferAll 50 StatesLATAM Export

Helium Gas Cylinders

Gaseous Helium — Balloon to Research Grade

Gaseous helium in cylinders from 200-300 SCF. Standard pressure (2,200 PSI, CGA 580) and ultra high pressure (3.5K-6K PSI, CGA 677). Leak detection, welding, GC carrier gas.

4.5 to 6.0 GradeStandard & UHPLeak DetectionGC Carrier

Ultra High Purity Gases

53 Pure Gases — 99.99% to 99.99999%

Full catalog of atmospheric, noble, reactive, hydrocarbon, and electronic specialty gases. Available in standard and ultra high pressure configurations.

53 Pure GasesGrade 4.0–6.0SemiconductorLab & Research

Calibration Gas

28,000+ SKUs — Ships 24-48h

Calibration gas for gas detectors: 4-gas mix, bump test gas, EPA protocol gas, single gas standards. 184+ competitor cross-references. Full catalog at wsmcalibrationgas.com.

28,000+ SKUs184+ Cross-Ref4-Gas MixPrivate Label

Bulk Gas Supplier

Bulk Liquid — LATAM & Caribbean

Bulk liquid nitrogen, oxygen, argon, and CO₂. Bulk gas delivery via ISO tanks to Latin America from Miami. Cryogenic repair, ISO tank certification, HAZMAT compliant.

ISO Tank & MicrobulkLOX, LIN, LAR, CO₂HAZMATLATAM Export

Specialty Gas Mixtures

NIST-Traceable · Custom Blends

EPA Protocol, sulfur (SO₂, H₂S, COS, Mercaptans), multi-component (2–12+ gases at ppm/ppb). Laser gas mixtures, medical gas mixtures (USP), gas chromatography carrier gas.

EPA & SulfurMulti 2–12+Laser & MedicalNIST Traceable
Industries

Trusted Across Critical Sectors

Healthcare & MRI
Helium for MRI machines, medical gases, blood & laser mixtures
Laboratories
UHP gases, gas chromatography carrier gas, analytical standards
Semiconductors
UHP argon, electronic-grade helium, process gases
Oil & Gas
H₂S calibration gas, LEL monitoring, offshore & refinery
Environmental
EPA protocol gas, stack emissions, CEMS calibration
Fire & Safety
CO calibration gas, bump test gas, emergency response
Chemical Processing
Reactor monitoring, toxic gas detection mixtures
Utilities & Power
Transformer gas analysis, power plant calibration
Why WSM

Where Accuracy Meets Reliability

In-House Manufacturing & Certification
Every cylinder produced, analyzed, and certified at our own lab. No outsourcing, no middlemen, no quality compromises.
Triple-Certified — Only in South Florida
ISO 17025 + ISO 17034 + EPA PGVP. PJLA #125017, ILAC-MRA recognized in 100+ countries.
Miami — Gateway to the Americas
Direct logistics to all 50 US states + Venezuela, Colombia, Mexico, Caribbean, Central & South America.
Ships 24-48h · Custom 3-7 Days
30,000+ cylinders/year. We control the timeline because we manufacture everything ourselves.
20+ Years · EN/ES/PT Team
Industrial, medical, specialty gas specialists. Bilingual support with decades of expertise.
Private Label & Digital Platform
Your brand, our certified gas. 28,000+ SKU platform with instant quoting and 184+ cross-references.
Get Started

Request Your Custom Quote

Manufactured at our ISO-accredited lab. Response within 24h.