29 Articles found

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  • Importance of Air & Water Testing in Indoor Pools

    Importance of Air & Water Testing in Indoor Pools

    Have you ever wondered why your eyes hurt or why you have a cough after swimming at an indoor pool? We all assume that it’s from too much chlorine in the pool but that is false! If the pool staff doesn’t regularly test and monitor both ...

    Ambur Vilac & Teresa Kouch

  • What is a Breathing or Respiratory Zone?

    What is a Breathing or Respiratory Zone?

    In the past, vehicle exhaust gas detectors have been installed on or near the ceiling. In contrary, Critical Environment Technologies Canada Inc. (CETCI) has always recommended that they be installed in the breathing zone. Recently, Quebec’s ...

    Ambur Vilac;Pat Allinson;Teresa Kouch

  • Indoor Air Quality Myths Debunked

    Indoor Air Quality Myths Debunked

    Today’s buildings, whether it is a home, office, manufacturing plant, hospital, etc., are more energy efficient; however, they also foster a potentially harmful environment. Indoor Air Quality (IAQ) has become a rising concern in the HVAC ...

    Ambur Vilac;Teresa Kouch

  • Gas Detection Best Practices at Work

    Gas Detection Best Practices at Work

    Most work place accidents could be prevented with proper working gas detection equipment. Gas detection is a critical component for safety programs for any environment; it should be given the highest priority and attention to detail to avoid any ...

    Ambur Vilac;Teresa Kouch

  • Carbon Monoxide (CO) Versus Carbon Dioxide (CO2)

    Carbon Monoxide (CO) Versus Carbon Dioxide (CO2)

    Carbon monoxide (CO) and carbon dioxide (CO2) are often mistaken for one another. Both gases are odourless and colorless and target the cardiovascular system. Both gases can enter the body through inhalation, skin and / or eye. Similar symptoms that ...

    Ambur Vilac;Teresa Kouch

  • Monitoring Multiple Gas Hazards in Ice Arenas

    Monitoring Multiple Gas Hazards in Ice Arenas

    The equipment used in an arena such as an ice re-surfacer, ice edger, floor sweepers, lift trucks and other special equipment are more often powered by fuel than electricity. The exhaust produced by the gas, propane or diesel fuel powered machines ...

    Rebecca Erickson

  • Gas Detection in Recreation Facilities: Can the same detector work for pools and arenas?

    Gas Detection in Recreation Facilities: Can the same detector work for pools and arenas?

    It is not uncommon for the same recreational facility to offer both skating and swimming amenities, two very different environments with different potential gas hazards. Given the fact that there is a possibility of 6 different types of gas to ...

    Rebecca Erickson

  • Gas Monitor Bump Testing vs Calibration

    Gas Monitor Bump Testing vs Calibration

    We are often asked to explain the difference between calibrations and bump testing. This is a controversial subject. OHS would have you do a full calibration before each use. In practice, our customers come up with their own intervals. If the gas ...

    Rebecca Erickson

  • How Often Should Gas Detectors be Calibrated and by Whom?

    How Often Should Gas Detectors be Calibrated and by Whom?

    Calibration frequency is one of the most commonly asked questions concerning the use of gas detection instruments. Common factors to consider when deciding how frequently to calibrate are: type of sensor, type of gas detector (fixed vs. portable), ...

    Rebecca Erickson

  • Indoor Air Quality and Hazardous Gas Detection

    Indoor Air Quality and Hazardous Gas Detection

    Indoor air contaminants come in a variety of forms and originate from multiple sources. Interactions between building materials and furnishings, activities and equipment inside the building, internal temperature and relative humidity, filtration and ...

    Rebecca Erickson

  • Explosion Proof vs Intrinsically Safe Gas Detectors

    Explosion Proof vs Intrinsically Safe Gas Detectors

    It only takes a spark to start a fire or cause an explosion, especially when flammable gases or vapours are present under the right conditions. There are industries that operate in these types of hazardous environments where the potential for ...

    Rebecca Erickson

  • What is the Difference Between Residential and Commercial Gas Detectors?

    What is the Difference Between Residential and Commercial Gas Detectors?

    Commercial gas detectors can be as much as 100 times the cost of residential gas detectors, making the residential models financially tempting, especially for large area applications. However, there are some important differences in performance, ...

    Rebecca Erickson

  • Gas Detection in Public Swimming Pool Facilities

    Gas Detection in Public Swimming Pool Facilities

    Recreational facilities’ indoor swimming pools provide a venue for exercise, competition and fun for all ages as patrons splash, swim, dive and float around in the crystal clear water. To keep the water fit to swim in requires a disinfectant ...

    Rebecca Erickson

  • A Four Channel Gas Detector for Wastewater Treatment Plants

    A Four Channel Gas Detector for Wastewater Treatment Plants

    Common hazardous gases found in wastewater treatment plant facilities are hydrogen sulphide, methane, ammonia, carbon monoxide, chlorine and oxygen deficiency. Some facilities may also use ozone, chlorine dioxide or sodium hypochlorite with the ...

    Rebecca Erickson

  • Monitoring Ozone (in the air) in Hatchery & Fish Farm Ozone Injection Systems

    Monitoring Ozone (in the air) in Hatchery & Fish Farm Ozone Injection Systems

    Hatcheries, fish farms and such in the aquaculture industry require clean water to maintain a high survival rate while rearing aquatic animals. Contaminated water increases the risk of infection which in turn can compromise production. A common way ...

    Rebecca Erickson

  • A Two Channel Gas Detector for Monitoring Hazardous Gases in the Workplace

    A Two Channel Gas Detector for Monitoring Hazardous Gases in the Workplace

    The potential for exposure to hazardous gases is a concern in many workplace environments. To ensure the safety of the workers, equipment, and the facility, areas presenting a gas hazard should be monitored by gas detectors. Commercial ...

    Rebecca Erickson

  • Ammonia Vent Line Gas Detector

    Ammonia Vent Line Gas Detector

    The LPT-A Vent Line Ammonia Transmitter (P/N: LPT-A-VLT-NH3-S) is designed for continuous monitoring of ammonia levels in the vent lines of refrigeration systems caused by equipment failure or system over pressurization. Slow leaks of refrigerant ...

    Rebecca Erickson

  • Bubbles That Lead to Troubles - Why All Establishments Serving Carbonated Beverages Should have a CO2 Gas Detector

    Bubbles That Lead to Troubles - Why All Establishments Serving Carbonated Beverages Should have a CO2 Gas Detector

    Where there is a soda dispensing machine, close by is at least one cylinder of carbon dioxide (CO2). Over the past few years, the food and beverage industry has been moving away from using smaller, compressed CO2 gas cylinders towards larger, ...

    Rebecca Erickson

  • BUMP TESTING AMMONIA (NH3) SENSORS

    BUMP TESTING AMMONIA (NH3) SENSORS

    Bump testing a gas sensor involves flowing a concentration of gas that is slightly higher than the Low alarm setpoint of the gas detector for a short period of time (1-2 minutes or less). The purpose of a bump test is to confirm that the sensor ...

    Critical Environment Technologies

  • FAQ - Ammonia Gas Detection Systems

    FAQ - Ammonia Gas Detection Systems

    Please view the full article to find the answers to these questions: Where might hazardous levels of ammonia occur? What ammonia gas detectors are available from CETCI? At what height should ammonia gas detectors be mounted? Where on the ceiling ...

    Critical Environment Technologies Canada Inc.