This device will provide real time monitoring for ambient CD levels in the air.
DRS Labs evaluated various devices and found this unit to provide overall ease of use for active air monitoring for all real life field applications.
There are color indicating tubes available from 0.025 to 1 ppm that require 10 to 30 pumps per sample. This may be time consuming and may require high quantities of tubes to test various areas. So in the long run it is cost effective to utilize the Interscan model. DRS Labs does not sell color indicating tubes or the required equipment to perform the tube sampling.
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OSHA PEL – The current OSHA permissible exposure limit (PEL) for chlorine dioxide is 0.1 ppm (0.3 mg/m3) as an 8-hour time-weighted average (TWA) concentration [29 CFR 1910.1000, Table Z-1].
NIOSH REL – NIOSH has established recommended exposure limits (RELs) for chlorine dioxide of 0.1 ppm (0.3 mg/m3) as a TWA for up to a 10-hour workday and the short-term exposure limit (STEL) of 0.3 ppm (0.9 mg/m3) [NIOSH 1992]. The NIOSH limit is based on the risk of severe respiratory and eye irritation [NIOSH 1992].
ACGIH TLV – The American Conference of Governmental Industrial Hygienists (ACGIH) has assigned chlorine dioxide threshold limit values (TLVs) of 0.1 ppm (0.28 mg/m3) as a TWA for a normal 8-hour workday and a 40-hour workweek and a short-term exposure limit (STEL) of 0.3 ppm (0.83 mg/m3) for periods not to exceed 15 minutes. Exposures at the STEL concentration should not be repeated more than four times a day and should be separated by intervals of at least 60 minutes [ACGIH 1994, p. 15]. Rationale for Limits. The ACGIH limits are based on the risk of severe irritation and by analogy to the toxicity of ozone gas [ACGIH 1991, p. 257].
NIOSH IDLH – Documentation for Immediately Dangerous to Life or Health Concentrations (IDLH): NIOSH Chemical Listing and Documentation of Revised IDLH Values (as of 3/1/95) Chlorine Dioxide 5 ppm.
ATI C16-1 Porta-Sens II – Portable Gas Detector
PortaSens II Gas Detectors are supplied in a padded carrying case for easy storage and transport. Space is provided for an extra battery plus up to two sensor keepers, which means up to 8 extra sensors ready for immediate use.
The following components are standard.
• PortaSens Gas Detector
• Spare Filters
• 10” Teflon Lined Sampling Wand
• RS-232 Output Cable
• Battery Charger
• Spare “D” Cell Battery
• Sensor Keeper
• Calibration “T” Fitting
The basic PortaSens II detector does not include sensor modules. Because the C16 is designed to accept any gas sensor, you can select one or more sensor modules. Each sensor module is factory calibrated at the time of shipment and is ready to use by plugging it into the receptacle in the C16 manifold. Each module can be calibrated for the minimum and maximum ranges indicated.
• Interchangeable “Smart Sensors” for over 30 gases
• Internal sample pump and external sampling wand
• One-hand pistol grip design
• Standard “D” cell battery and rechargeable backup battery
• Easy to read back-lit graphics liquid crystal display
• Instantaneous and timed-sampling modes of operation
• Visual and Audible alarms
• Internal data-logger with RS-232 output
• Size: 3.5″ (W) x 9″ (H) x 5.5″ (D)