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. Author manuscript; available in PMC: 2015 Sep 1.
Published in final edited form as: J Occup Environ Hyg. 2015 Sep;12(9):577–587. doi: 10.1080/15459624.2015.1022652

TABLE I.

Specifications for real-time monitors used in the study.

Monitor Measure Sensitivity/
Resolution
(Accuracy)		 Operation Range Measurement Method
Airtec Diesel
Particulate
Monitor		 Elemental
carbon		 < 15 µg/m3 ~50–600 µg/m3 @
8-hr time
weighted average
(TWA)		 Changes in
absorption of
transmitted light
MicroAeth
Aethalometer
AE51		 Black carbon 0.001 µg/m3
(±0.1 µg/m3)		 0–1 mg/m3 Changes in
absorption of
transmitted light @
880 nm
TSI SidePak
Personal
Aerosol
Monitor
AM510		 PM2.5 mass
(0.1–10 µm)		 0.001 mg/m3 0.001–20 mg/m3 Scattered light
intensity @ 670 nm
TSI
Condensation
Particle
Counter 3007		 Particle
number (0.01-
1.0 µm)		 1 particle/cm3
(±20%)		 0–100,000
particles/cm3 		Counting particles
grown by isopropyl
alcohol
Langan T15n
CO Measurer		 Carbon
monoxide		 0.05 ppm 0–1000 ppm Measuring electrical
activities in
electrochemical cells
HOBO U12
Temp/RH Data
Logger		 Temperature
& relative
humidity		 0.05 °F
(±0.63 °F)
0.03% (±2.5%)		 0–158 °F
5–95%		 Changes in resistance
of a thermistor
(temperature) and
capacitive
measurement of
electric field (relative
humidity)