gasesNeed more information on the gases we detect?

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Under each individual gas entry, you will find…

  • How they’re used
  • Where they might be encountered
  • Occupational health and regulatory information
  • Links to the Interscan product pages, for the particular gas

Bromine---and Bromine Monitoring Instrumentation

How It's Used Bromine is a dark reddish-brown fuming liquid with a pungent odor, its elemental embodiment being a diatomic molecule. The chemical is used in the production of fire retardants; water sanitizer; and certain insecticides. Bromine is also...

Carbon Monoxide---and Carbon Monoxide Monitoring Instrumentation

How It's Used / Most Likely Means Of Exposure Carbon monoxide (CO)—also known as Carbonic oxide and Carbon(II) oxide—is used in a host of industries, for dozens of applications. Some of the more common ones include fuel gas mixtures; chemical syn...

Chlorine---and Chlorine Monitoring Instrumentation

How It's Used Chlorine is well known as a household cleaner and disinfectant, and is also widely used as an oxidizing agent in water treatment and chemical processes. Chlorine is employed extensively in the bleaching process of wood pulp in pulp mills....

Chlorine Dioxide—and Chlorine Dioxide Monitoring Instrumentation

How It's Used Chlorine dioxide is a synthetic, green-yellowish gas with a chlorine-like, irritating odor. The compound is quite different from elemental chlorine, both in its chemical structure as in its behavior. For one thing, it remains a true...

Ethylene—and Ethylene Monitoring Instrumentation

How It's Used Ethylene (aka ethene, acetene, bicarburretted hydrogen) is a colorless, noncorrosive, nonirritating, and extremely flammable gas with a slightly sweet odor. The compound is primarily used as a reactive monomer (chemical building block)...

Ethylene Oxide---and Ethylene Oxide Monitoring Instrumentation

Ethylene Oxide (EtO or EO) is used widely in the chemical industry, but the biggest human exposure to this compound occurs when it is employed as a sterilant. EtO sterilization is the method of choice in those situations when conventional steam sterilization...

Calibration Procedure

CALIBRATION KIT An ethylene oxide calibration kit can be obtained from: SPEC AIR SPECIALTY GASES 22 Albiston Way Auburn, ME 04210Phone:  1-800-292-6218 The "Interscan One" calibration kit includes: A specially treated aluminum cylinder, containing ...

Ethylene Oxide Monitoring In Hospitals

Ethylene Oxide (EtO) is a colorless gas which is known to be an eye, skin, and respiratory irritant in low concentrations, as well as presenting carcinogenic, mutagenic, reproductive, and neurologic hazards to workers. The odor of EtO cannot be detected...

FDA issues a national warning against the use of "Abtox" Plazlyte Sterilization System

FDA TALK PAPER Food and Drug Administration U.S. Department of Health and Human Services Public Health Service 5600 Fishers Lane Rockville, MD 20857 FDA Talk Papers are prepared by the Press Office to guide FDA personnel in responding with consistency...

Has the tide turned on ethylene oxide (EtO)?

Originally seen in the  Interscan Monitor Newsletter - Friday, May 18, 2007 Has the tide turned on ethylene oxide (EtO)? In a recent edition of this newsletter, we reported on the reaction of EPA's own Science Advisory Board (SAB) to the Agency's ...

Hydrogen peroxide gas plasma sterilization issues

Hydrogen peroxide gas plasma sterilization has been touted for some years as a replacement for ethylene oxide. Originally, there were two companies offering sterilizers based on this technology, and for a number of years, the field had narrowed to one—the S...

LD and RM Daily Checklist

LD and RM (legacy) TYPE SYSTEMS The Shift Supervisor should inspect the LD and RM EtO monitoring system at the beginning of every shift. Check for the following items: Is the Power On lamp illuminated? Does the Flowmeter indicate a flow rate ...

PLC Daily Checklist

PLC TYPE SYSTEMS The Shift Supervisor should inspect the PLC type EtO monitoring system at the beginning of every shift. Check for the following items: Is the Power On lamp illuminated? Is the PUMP ON LED illuminated, and does the flowmeter...

Preventive Maintenance

EtO MONITORING SYSTEMS   Quarterly Check of INLET Particulate Filter (Catalog No. 417-00002 ) Change when visibly dirty, or when flowmeter requires frequent adjustments to keep flow rate above 0.4 liter/minute.   Quarterly Check of Interference S...

Formaldehyde---and Formaldehyde Monitoring Instrumentation

How It's Used Formaldehyde (HCHO)—also known as methanal—is a colorless pungent gas at room temperature, that can also cause eye irritation. The compound is an important precursor to more complex chemicals, the largest class of which includes ure...

Hydrazine---and Hydrazine Monitoring Instrumentation

How It's Used Hydrazine—also known as Diamine and Nitrogen Hydride—is a clear, colorless, flammable liquid, with an ammonia-like odor. The compound is used in the production of agricultural pesticides; in the manufacture of blowing agents for pla...

Hydrogen—and Hydrogen Monitoring Instrumentation

How It's Used Hydrogen (aka "waterstuff," dihydrogen) is a colorless, odorless, flammable gas. Once ignited, it burns with a pale blue, almost invisible flame. Although hydrogen is the most abundant element in the Galaxy (ten times as abundant as...

Hydrogen Bromide—and Hydrogen Bromide Monitoring Instrumentation

How It's Used Hydrogen bromide is a colorless or faint yellow gas with a sharp, irritating odor. When dissolved in water it becomes hydrobromic acid. HBr is used in the manufacture of inorganic bromides, as employed in photographic, pharmaceutical,...

Hydrogen Chloride---and Hydrogen Chloride Monitoring Instrumentation

How It's Used Hydrogen chloride (aka chlorane) is a colorless gas with a sharp, pungent odor. The compound fumes strongly in moist air. It is used in the production of fertilizers, dyes, in electroplating, and in the photographic, textile, and rubber...

Hydrogen Cyanide—and Hydrogen Cyanide Monitoring Instrumentation

How It's Used Hydrogen cyanide (aka prussic acid, if in aqueous solution; and formonitrile) is a highly volatile, colorless, and extremely poisonous liquid (boiling point at just above room temperature). Its application as a poison is well known,...

Hydrogen Peroxide---and Hydrogen Peroxide Monitoring Instrumentation

How It's Used Hydrogen peroxide (H2 O2 ) in its pure form it is a colorless liquid, slightly more viscous than water; however, for safety reasons it is normally used as an aqueous solution. The compound is thermodynamically unstable, decomposing to...

Hydrogen Sulfide—and Hydrogen Sulfide Monitoring Instrumentation

How It's Used Hydrogen sulfide (aka dihydrogen monosulfide; sewer gas; stink damp; sulfur dihydride; sulfureted hydrogen) is a colorless gas having a strong odor of rotten eggs. The major use of the compound is in the production of elemental sulfur...

Nitric Oxide—and Nitric Oxide Monitoring Instrumentation

How It's Used Nitric oxide (aka nitrogen oxide, nitrogen monoxide, mononitrogen monoxide) is a colorless, nonflammable, poisonous, oxidizing gas with an irritating odor. The compound is a free radical: Its bonding structure includes an unpaired electron....

Nitrogen Dioxide---and Nitrogen Dioxide Monitoring Instrumentation

How It's Used Nitrogen dioxide (aka nitrogen peroxide) exists in equilibrium with its dimer dinitrogen tetroxide . It presents as a reddish brown gas or yellowish-brown liquid when cooled or compressed. The compound is an intermediate in nitric acid...

Ozone—and Ozone Monitoring Instrumentation

How It's Used Ozone (aka trioxygen) is a colorless to bluish gas that condenses to a dark blue liquid, or blue-black crystals. Its characteristic odor is said by some to be reminiscent of chlorine, and as such is detectable at concentrations as low...

Peracetic Acid---and Peracetic Acid Monitoring Instrumentation

How It's Used Peracetic acid—also known as Peroxyacetic acid and often abbreviated as PAA—is a highly effective antimicrobial, used in a wide range of applications, primarily in the food industry and health care settings. PAA disinfects by oxidizing the...

Propylene Oxide---and Propylene Oxide Monitoring Instrumentation

How It's Used Propylene Oxide (PrO or PO) is utilized primarily as a chemical intermediate in the manufacture of items such as flexible and rigid foams, elastomers, coatings, adhesives, and injection moldings—all of which can be seen in a variety o...

Sulfur Dioxide---and Sulfur Dioxide Monitoring Instrumentation

How It's Used Sulfur dioxide (aka sulfurous anhydride, sulfurous oxide) is a colorless gas with a choking or suffocating odor. Its use as a fumigant dates back to ancient Greece. Note this passage from The Odyssey , where Odysseus says: "Bring sulfur,...