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IRIS Summary of Methylene Diphenyl Diisocyanate (monomeric MDI) and polymeric MDI (PMDI) (CASRN 101-68-8, 9016-87-9)01-28-2010
"This is a summary of information on Methylene Diphenyl Diisocyanate (monomeric MDI) and polymeric MDI (PMDI) (CASRN 101-68-8, 9016-87-9) provided by the Integrated Risk Information System (IRIS)."
http://www.epa.gov/NCEA/iris/subst/0529.htm (HTML)
Methylene Diphenyl Diisocyanate (monomeric MDI) and polymeric MDI (PMDI) (CASRN 101-68-8, 9016-87-9) | IRIS | US EPA01-28-2010
The RfC was derived using benchmark concentration (BMC) analysis on basal cell hyperplasia of the olfactory epithelium (males only... Thus, it is prudent to regard basal cell hyperplasia as an adverse response.
http://www.epa.gov/IRIS/subst/0529.htm (HTML)
Methylene Diphenyl Diisocyanate (monomeric MDI) and polymeric MDI (PMDI) (CASRN 101-68-8, 9016-87-9) | IRIS | US EPA07-09-2009
The RfC was derived using benchmark concentration (BMC) analysis on basal cell hyperplasia of the olfactory epithelium (males only... Thus, it is prudent to regard basal cell hyperplasia as an adverse response.
http://www.epa.gov/ncea/iris/subst/0529.htm (HTML)
Page Title | About the Gulf Ecology Division | US EPA11-23-2009
... resistant, genetically engineered Pseudomonas fluorescens were determined on antibiotic-containing plate count agar during starvation in nutrient deficient water... The mean of the colony counts on plate count agar with or without tetracycline (4.9 X 106 ml ...
http://www.epa.gov/ged/publica/cabprj18.htm (HTML)
Page Title | About the Gulf Ecology Division | US EPA11-23-2009
... changes, first evident in the apical epithelium of the lamellar plates, included: swollen mitochondria, dilated rough endoplasmic reticulum, the appearance of ... A new epithelium, derived partly from mitosis of basal lamellar tissues, developed subjacent to the plug and contributed to ...
http://www.epa.gov/ged/publica/c1732.htm (HTML)
IRIS Summary of Bromomethane (CASRN 74-83-9)01-21-2010
"This is a summary of information on Bromomethane (CASRN 74-83-9) provided by the Integrated Risk Information System (IRIS)."
http://www.epa.gov/NCEA/iris/subst/0015.htm (HTML)
Bromomethane (CASRN 74-83-9) | IRIS | US EPA01-21-2010
Very slight to moderate hyperplastic changes in the basal cells accompanied by degeneration in the olfactory epithelium in the ... Incidence of basal cell hyperplasia in control, 3-, 30-, and 90-ppm groups ...
http://www.epa.gov/IRIS/subst/0015.htm (HTML)
Final Report | Intestinal Aluminum Absorption and Bioavailability from Representative Aluminum Species12-22-2009
Flux studies were conducted with cells 20-30 days post-plating... of aluminum into Caco-2 cells Caco-2 cells were plated into six well plates containing 35 mm dishes.
http://cfpub.epa.gov/ncer_abstracts/index.cfm/fuseaction/display.abstr... (HTML)
Page Title | About the Gulf Ecology Division | US EPA11-23-2009
... examination, however, revealed sporozoites in the cytoplasm of the gut basal cells... an infective stage probably undergo that development in gut mucosal basal cells.
http://www.epa.gov/ged/publica/cabanc22.htm (HTML)
Bromomethane (CASRN 74-83-9) | IRIS | US EPA07-09-2009
Very slight to moderate hyperplastic changes in the basal cells accompanied by degeneration in the olfactory epithelium in the ... Incidence of basal cell hyperplasia in control, 3-, 30-, and 90-ppm groups ...
http://www.epa.gov/ncea/iris/subst/0015.htm (HTML)

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