TO Standards for Volatile Organic Compounds (VOC) Monitoring

TO 14, 15, 17 standards for VOC monitoring and soil sampling are available in all configurations 39, 41, 62 or subset component mixtures.  Gas mixtures for all VOC’s including BTEX mixtures, Isobutylene and other organic vapours are available.

“Volatile organic compounds are compounds that have a high vapour pressure and low water solubility. Many VOCs are human-made chemicals that are used and produced in the manufacture of paints, pharmaceuticals, and refrigerants. VOCs typically are industrial solvents, such as trichloroethylene; fuel oxygenates, such as methyl tert-butyl ether (MTBE); or by-products produced by chlorination in water treatment, such as chloroform. VOCs are often components of petroleum fuels, hydraulic fluids, paint thinners, and dry cleaning agents. VOCs are common ground-water contaminants.

Volatile organic compounds (VOCs) are emitted as gases from certain solids or liquids. VOCs include a variety of chemicals, some of which may have short- and long-term adverse health effects. ” (


Gas Volume: 14 Litres
Water Volume: 0.858 Litres
Pressure: 17 bar
Outlet Fitting: CGA 160 – 1/8″ NPT Female
Material of Construction: Steel
Weight: 0.7 kg
Dimensions: 76.2 mm x 279.4 mm


Gas Volume: 74 Litres
Water Volume: 2.266 Litres
Pressure: 33 bar
Outlet Fitting: CGA 170 (aluminum diaphragm packless valves with stainless steel diaphragms)
Material of Construction: Aluminum
Weight: 0.8 kg
Dimensions: 101.6 mm x 412.8 mm


Gas Volume: 48 Litres
Water Volume: 2.352 Litres
Pressure: 21 bar
Outlet Fitting: CGA 165
Material of Construction: Aluminum
Weight: 0.8 kg
Dimensions: 101.6 mm x 412.8 mm

98RAL (110)

Gas Volume: 110 Litres
Water Volume: 0.898 Litres
Pressure: 124 bar
Outlet Fitting: CGA 180
Material of Construction: Aluminum
Weight: 1 kg
Dimensions: 82.6 mm x 295.3 mm


Gas Volume: 58 Litres
Water Volume: 1.705 Litres
Pressure: 34 bar
Outlet Fitting: C-10 5/8″ – 18 UNF standard*†
Material of Construction: Aluminum
Weight: 0.8 lbs. (0.4 kg)
88.9 mm x 342.9 mm*
88.9 mm x 387.4 mm†

*With self-actuating valve.
†Manual on/off valve is available on request

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EPA Method TO-15

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ALS Comparison of TO-14, TO-14A and TO-15

Method TO Calibrations Standards List

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