HAZWOPER Air Monitoring

SKU: C-1007Duration: 36 Minutes

Pay-per-view (PPV) format perfect for individual users.

Get immediate access to this interactive eLearning course online. Must be used within 30 days, expires 48 hours after launch.

Language:  English

Great for in-person classroom training or as an alternative to DVD.

Includes printable documents and Convergence Video Player for Windows systems. Content expires after 1 year.

Language:  English

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Course Details

Specs

Training Time: 36 minutes

Compatibility: Desktop, Tablet, Phone

Based on: 29 CFR 1910.120(h)

Languages: English

Airborne contaminants present the greatest danger to hazardous waste and emergency response workers. Air monitoring is required to identify and quantify airborne hazards, so appropriate protective measures can be implemented. An air-monitoring plan must be included as part of a site-specific Health and Safety Plan (HASP). This module will discuss the requirements of an air monitoring plan, the sensors used to detect hazardous conditions, and what actions should be taken based on monitoring results.

Learning Objectives

At the end of this module, you will be able to:

  • Describe the purpose of an air monitoring plan
  • List and describe air monitoring requirements
  • Describe the different units used to measure gas and vapor concentrations in air
  • Describe the uses of common gas sensors
  • Define the different instrument calibration methods
  • List the action limits for combustible gas, oxygen, and toxic gas concentrations

Key Questions

The following key questions are answered in this module:

What is the purpose of air monitoring?
Air monitoring is required to select appropriate PPE, establish hazard control zones, assess potential health effects of exposure, and determine the need for medical monitoring and decontamination. Upon initial site entry, air monitoring is needed to determine if the atmosphere is flammable, oxygen-deficient, or immediately dangerous to life and health (IDLH).

What are direct-reading instruments?
Direct-reading instruments measure the concentration of contaminants as air is sampled in the field versus collecting samples and measuring them later in a lab.

What is the difference between %, ppm, mg/m3?
Percent (%) is the proportion of gas molecules out of 100 molecules of gas and air. PPM is parts per million and is essentially the same as percent but out of one million molecules instead of 100. Typically, ppm is used for concentrations under 1% (10,000 ppm). Mass per unit volume, typically expressed in units of mg/m3 is used for concentrations of particulates in air.

What is a multi-gas detector?
Multi-gas detectors can have several different types of sensors. Most multi-gas detectors can detect combustible gases, oxygen, and at least one toxic gas.

What is the difference between a bump test and a calibration check?
A bump test involves exposing a sensor to a test gas of a sufficient concentration to cause the device to alarm. It is a qualitative function test. A bump test does not determine an instrument's accuracy. A calibration check involves exposing the sensor to a test gas of a known concentration. A reading within 10% of the calibration gas concentration is usually acceptable.

Sample Video Transcript

Below is a transcript of the video sample provided for this module:

Air monitoring is a required at hazardous waste sites and during incidents involving hazardous materials to protect the safety of workers and the public. The air needs to be tested to identify and quantify all airborne hazards. This involves testing the atmospheric concentrations of oxygen, combustible gases, and toxic gases. Different sensors are used to test for different gases. Multi-gas meters are popular because they combine multiple sensors into one instrument. The key to maintaining a safe work environment is maintaining and calibrating the gas detection equipment, so they work properly and measure accurately.

Additional Resources

Use the additional resources and links below to learn more about this topic:

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