Trust our expert teams to help meet the air testing demands of winter heating season.

TO-15 VOC analysis and summa canister rental

Rely on ALS for inventory, low reporting limits, fast turnaround times and dedicated client support:

Four high-capacity USA air labs.
Analysis of 62+ VOCs; capability of over 100 compounds.
Ultra-low reporting limits: detection as low as 0.025 µg/m³
Extensive inventory of air sampling media.
Responsiveness and fast turnaround.

AIR quality_scientist overlooking refinery

Decades of TO-15 analytical expertise

Soil vapor and vapor intrusion studies
Indoor air quality investigations
Landfill gas and renewable natural gas (RNG) monitoring
Fenceline monitoring

Four high-capacity US air testing laboratories

Simi Valley, CA

One of the largest air labs in the US

TO-17 and TO-15 VOC for indoor air and ambient air.

TO-15 VOC for soil gas, sub slab and gas quality.

Thousands of SUMMA canisters available.

Specialized testing including:

RNG/Biogas and Landfill gas – BTU, ASTM D4405 Speciated Sulfur, Siloxanes

Fenceline Monitoring – EPA 325B
State specific methods – MA APH

Cincinnati, OH

Full-service environmental lab with industrial hygiene testing

TO-15 VOCs for indoor air, ambient air, soil gas, sub slab

IH analysis supporting a broad range with many compounds: Aldehydes, dusts, flavorings, isocyanates, metals, methylene chloride

Specialized testing including:

TO-15, asbestos and TEM analyses, industrial hygiene, lead, microplastics, and volatile fatty acids

Salt Lake City, UT

Full-service industrial hygiene lab offering broad air services

TO-15 VOCs for indoor air, ambient air, soil gas, sub slab

200+ NIOSH/OSHA methods with AIHA LAP Accreditation

Specialized testing including:

Silica, high-risk synthetic substances, extensive pesticides, quaternary amines (air and surface), beryllium/Be-oxide, amines, low-level metals by ICP-MS, and sulfur gases.

Queens, NY

Full-service environmental lab: air, soil, water; PFAS

TO-15 VOCs for indoor air, ambient air, soil gas, sub slab

NYC’s first TO-15 air and volatiles testing lab (2016); one of six PFAS labs in ALS USA labs; NYC's only PFAS lab.

Specialized testing including:

PFAS (soil, non-potable water, biosolids, drinking water)
TO-15 VOCs supporting states of CT, NY, NJ, PA

Landfill gas VOC testing case study

In a high-visibility California municipal remediation program, ALS supported continuous ambient air monitoring with TO‑15 and ASTM D5504-20, dedicated summa inventory, and consistent 5-day turnaround and service continuity.

TO-15 resources for environmental professionals

TO-15 analysis FAQs

We address the most frequently asked questions and technical support needs of clients. Get answers and guidance about TO-15 target compound lists, when to use 6L or 1L canisters, tedlar bags vs. canisters, holding times for TO-15 analysis, how to perform a shut-in test, and much more.

Passive sampling for VOCs

Help ensure accurate and compliant passive air sampling by downloading our guide. You’ll learn about the four passive air sampling options for VOCs, sampling durations, and how to choose the right one for your target VOCs and sampling environment: canisters, VOC badges, passive TD tubes, or radiello samplers.

Sign up for news updates and air testing insights

We'll share TO-15 and TO-17 air sampling strategies and techniques, and practical insights designed to help environmental professionals handle air testing projects with greater efficiency.

"We have been working with ALS and their laboratories since 2016. They have been exceptional to work with. We are fortunate to have access to a company like ALS."

- Process Engineer

TO-15 VOC analysis and summa canister rental

Rely on ALS for inventory, low reporting limits, fast turnaround times and dedicated client support:

Four high-capacity USA air labs.

Analysis of 62+ VOCs; capability of over 100 compounds.

Ultra-low reporting limits: detection as low as 0.025 µg/m³

Extensive inventory of air sampling media.

Responsiveness and fast turnaround.

Decades of TO-15 analytical expertise

Soil vapor and vapor intrusion studies

Indoor air quality investigations

Landfill gas and renewable natural gas (RNG) monitoring

Fenceline monitoring

Four high-capacity US air testing laboratories

Simi Valley, CA

One of the largest air labs in the US

Cincinnati, OH

Full-service environmental lab with industrial hygiene testing

Salt Lake City, UT

Full-service industrial hygiene lab offering broad air services

Queens, NY

Full-service environmental lab: air, soil, water; PFAS

Landfill gas VOC testing case study

In a high-visibility California municipal remediation program, ALS supported continuous ambient air monitoring with TO‑15 and ASTM D5504-20, dedicated summa inventory, and consistent 5-day turnaround and service continuity.

TO-15 resources for environmental professionals

TO-15 analysis FAQs

Passive sampling for VOCs

Sign up for news updates and air testing insights

"We have been working with ALS and their laboratories since 2016. They have been exceptional to work with. We are fortunate to have access to a company like ALS."