Interestingly, I would notice that every Monday morning when I came into the classroom, there would be yellow dust on the desks at the front of the room, the chalkboard, and on my desk and podium. I would dust it off and wonder how the chalk dust was getting all over the place. Then, it dawned on me that I didn't use yellow chalk. The concentration of dust was greatest under a very large heating duct in the ceiling that was located just over where I would stand to teach. I was becoming suspicious of the vent.
exporters. These include: Diamet, 2-mercapatobenzothiazole, (2-MBT), both of
which are known sensitizers, as well as polyacrylic acid copolymer, polyethylene
dichloride, and irritants potassium hydroxide, sodium hydroxide, and phosphoric
acid. The other concern in this building is potential bioaerosol exposures related to
the use of evaporative cooling, and duct board duct work.
The next school year, I was hired to teach English and English as a Second Language at the high school level. I went on to earn a M.A. in Teaching English as a Second Language. Eight years later, I left the classroom and ended my career by writing curriculum and developing a program where teachers could earn an endorsement in Teaching the Linguistically Different (ESL) at Colorado State University-Pueblo. I also taught future teachers of ESL and Secondary English at CSU-P. I learned a lot my first year of teaching. Mostly, I learned that I love to teach and nothing would stop me from pursuing my chosen career.