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  • Air Liquide Group
    American Air Liquide is part of an international group specializing in gases for industry, health and the environment.
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    ALNET™ is the distributor network designed for growth.

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    IGAL™ insulated window filling system significantly reduces rare gas consumption.

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    our specialty.
    
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    The most accurate standards available, these gas mixtures are ideal for custody transfer and other applications.
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    We stock over 800 components for blending mixtures used for refining and petrochemical applications.
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    PHARGALIS permits innovative customization without jeapordizing strict regulatory compliance.
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Scott EPA Protocol Gases

For Environmental Compliance Applications

We offer an extensive portfolio of calibration gas mixtures intended for environmental monitoring applications: Emissions Credit Class™ Gold Standards provide guaranteed ±0.7% accuracy; RATA Class™ EPA protocol gases provide guaranteed ±1% accuracy; and our Compliance Class™ protocol gases provided guaranteed ±2% accuracy. And now we also offer new Scott GHG EPA protocols.

Click here to learn more about Scott EPA Protocol Methods.

EPA PGVP

All of our EPA protocol gas mixtures are instrumental in helping industry avoid noncompliance fines and downtime caused by inaccurate instrument calibration.

And, all five of our specialty gas facilities are registered participants of EPA’s Protocol Gas Verification Program. EPA PGVP vendor ID numbers for these facilities are listed below.

• Plumsteadville, PA: A12012
• Troy, MI: A22012
• LaPorte, TX: A32012
• Longmont, CO: A42012
• Santa Fe Springs, CA: A52012

Everything you always wanted to know about EPA’s new
Protocol Gas Verification Program

• The origin of the PGVP program
• The impact on accuracy requirements of 40 CFR Part 75
• What it can mean to you, a user of EPA protocol calibration gases

Download our informative pamphlet with details

Scott EPA Protocol Mixtures

Two-Component Gas Mixtures

Three-Component Gas Mixtures

Four-Component Gas Mixtures

Five-Component Gas Mixtures

Recommended Scott Brand Equipment

Model 215 Gas Pressure Regulator

Model 318 Gas Pressure Regulator

Scott CEMSTATION™ Gas Delivery System

Scott Model 8404 ChangeOver System

Request for quote

• 72.2 Zero Air Material
• Enhanced Vapor Recovery Systems
• EPA Protocol Gases
• EPA Protocol Methods
• Greenhouse Gas EPA Protocols
• Low NOx EPA Protocol Gases
• CEM DAILY STANDARDS
• Hydrogen Chloride
• PROTOCOL 11 H2S
• Hydrogen Sulfide Multi-Component Mixtures
• Mercury Verification Products
• Title V Ammonia Standards
• Toxic Organic Measurements