Dr Nick

(3)

$14/per page/Negotiable

About Dr Nick

Levels Tought:
Elementary,Middle School,High School,College,University,PHD

Expertise:
Art & Design,Computer Science See all
Art & Design,Computer Science,Engineering,Information Systems,Programming Hide all
Teaching Since: May 2017
Last Sign in: 248 Weeks Ago, 6 Days Ago
Questions Answered: 19234
Tutorials Posted: 19224

Education

  • MBA (IT), PHD
    Kaplan University
    Apr-2009 - Mar-2014

Experience

  • Professor
    University of Santo Tomas
    Aug-2006 - Present

Category > Environmental science Posted 09 Sep 2017 My Price 15.00

the lowest observed adverse effect level

need today

1 Perform the following calculation for air concentration. Formaldehyde: 4.0 mg/m3 = ____ ppm

2 Perform the following calculation for air concentration. Benzene: 3.0 ppm = ____ mg/m3

3 Perform the following calculation for air concentration. Sulfuric Acid: 2.5 mg/m3 = ____ ppm

4 Discuss the similarities and differences that exist between the three basic types of occupational exposure limits (OELs). Describe how each type of OEL is used to control occupational exposures, and provide at least one specific chemical for which each type of OEL has been established. 5 Your answer must be a minimum of 200 words in length.

6 Describe how hazard notations are used to derive OELs, including the additional hazard notations included by the Occupational Safety and Health Administration (OSHA). How would these notations be used in industrial hygiene practice? Your answer must be a minimum of 200 words in length.

7 Define the lowest observed adverse effect level (LOAEL) and the no observed adverse effect level (NOAEL), and describe how they relate to the point of departure (POD). Describe how each of these are used to derive an OEL. Your answer must be a minimum of 200 words in length.

Answers

Dr Nick
(3)
Status NEW Posted 09 Sep 2017 12:09 PM My Price 15.00

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