Jeffrey C. May, CIAQP (Certified Indoor Air
Quality Professional), combines his educa-
tion as an organic chemist (B.A. Columbia
College; M.A. Harvard University) and his
twenty-five plus years of experience as a
building consultant to specialize in residen-
tial indoor air quality. He is founder of May
Indoor Air Investigations LLC, located in
Tyngsborough, MA; is an Adjunct Profes-
sor in the Department of Work Environment
at U MA Lowell; and author or co-author of
four books on indoor air quality, all published
by The Johns Hopkins University Press:
My House is Killing Me! The Home Guide
for Families with Allergies and Asthma, The
Mold Survival Guide: For Your Home and
for Your Health, My Office is Killing Me! The
Sick Building Survival Guide, and Jeff May's
Healthy Home Tips. A nationally recognized
speaker and author, Jeff is a member of
the American Chemical Society, the New
England Chapter of the American Industrial
Hygiene Association, the Association of
Energy Engineers, the Indoor Air Quality As-
sociation, and the Pan-American Aerobiology
Association. He is also a former member of
the AAFA national board and a current Board
member of the Massachusetts Association of
the Chemically Injured (MACI).
http://MayIndoorAir.com
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removed, and openings created during the
device's installation should be sealed. Only
a condensing dehumidifier (such as a Ther-
ma-Stor Santa Fe) should be used but only
in three seasons (not in the winter). Measure
the relative humidity (RH) separately with
a thermo-hygrometer; keep the RH in your
unfinished basement under 50%.
5. Fresh-air intakes should not be located near
direct-venting piping or other sources of
odor.
6. Don't paint over soffit vents! Check that the
roofer cut a slot in the sheathing for your
ridge vent!
Refer to my books for further guidance.
Healthy Indoors 37
May's Ways
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