Public Comments received on the Public Review draft of the proposed REFERENCE EXPOSURE LEVELS FOR

Responses to Public Comment on the Draft Reference Exposure Levels for Methylene Diphenyl Diisocyanate Office of Environmental Health Hazard Assessment California Environmental Protection Agency

On July 4, 2014, the Office of Environmental Health Hazard Assessment (OEHHA) released the draft document, Methylene Diphenyl Diisocyanate Reference Exposure Levels: Technical Support Document for the Derivation of Noncancer Reference Exposure Levels to solicit public comment. Responses to comments received on the draft methylene diphenyl diisocyanate reference exposure levels (RELs) are provid...

Hypoxia in the Northern Gulf of Mexico -- Responses to Public Comments

As a foundation for the IA, six topical reports were written by teams of experts. Public comments on the six reports were received from 34 organizations and individuals. Those reports and the public comments received on them, were used to draft the IA. The draft of the IA was also made available for public comment and those comments considered in completing the IA. Public comments on the draft ...

Public Review Draft July, 2014-Methylene Diphenyl Diisocyanate (MDI) Reference Exposure Levels (RELs)

Investigating the effect of different light intensities in work environments on Circadian rhythm using animal model

Introduction: light intensity and duration are physical factors that affect hormone secretion and circadian rhythms. This study aimed to determine the effects of various light intensities on serum melatonin and cortisol levels.  Materials and methods: This experimental study was carried out on 32 male rats: Group 1 as the control group, received a brightness of 150 lux, and groups 2, 3, and ...

Assessment of Patients’ Entrance Skin Dose from Diagnostic X-ray Examinations at Public Hospitals of Akwa Ibom State, Nigeria

Introduction High doses of ionizing radiation can lead to adverse health outcomes such as cancer induction in humans. Although the consequences are less evident at very low radiation doses, the associated risks are of societal importance. This study aimed at assessing entrance skin doses (ESDs) in patients undergoing selected diagnostic X-ray examinations at public hospitals of Akwa Ibom State,...