The January issue of the Journal of Occupational and Environmental Hygiene (JOEH) features the following articles:

• Evaluation of Minnesota and Illinois Hospital Respiratory Protection Programs and Healthcare Worker Respirator Use
• Exposure Controls for Nanomaterials at Three Manufacturing Sites
• Environmental Relative Moldiness Index and Associations with Home Characteristics and Infant Wheeze
• Particle Size Distributions of Particulate Emissions from the Ferroalloy Industry Evaluated by Electrical Low Pressure Impactor (ELPI)
• Enhanced Performance of Methamphetamine Lateral Flow Cassettes Using an Electronic Lateral Flow Reader
• Occupational Exposure Assessment of Highway Toll Station Workers to Vehicle Engine Exhaust
• Subjective Evaluation of Physical and Mental Workload Interactions across Different Muscle Groups