CHEM 305

Chemical Hygiene and Safety

Spring 2010

 

Instructor:  Dr. Snyder

Lecture:  M 10:00-10:50 Sims 302

Office:  109B Sims

E-mail:  snyderk@winthrop.edu

Office Hours: W 10:00-11:30, or by appointment

Course Credit Hours: 1

 

Required Textbooks: 

·        Building Student Safety Habits for the Workplace

·         Safety in the Academic Chemistry Laboratories, Accident Prevention for College and University Students, 7th edition, A Publication of the American Chemical Society

 

Course Goals:

·        To learn the importance and necessity of proper laboratory safety procedures

·        To become familiar with the potential hazards associated with various classes of hazardous chemicals and the proper way in which to store and handle such chemicals

·        To learn how to obtain, read, and understand information about hazardous chemicals

·        To become familiar with the various methods available to minimize exposures and reduce the risks associated with working with chemicals

 

Course Outline:

·        What makes a chemical hazardous

·        Routes of entry

·        Precautionary Labels

·        Material Safety Data Sheets

·        Personal Protective Equipment

·        Handling Laboratory Equipment Safely

·        Exposure Limits

·        Safe Handling, Storage, and Disposal of Chemicals

·        Emergency Equipment

·        Emergency and Medical Procedures

·        Getting to Know Safety Planning and SOP’s

 

Exams and Grading

·        There will be 2 exams in this course, a mid-term and a final exam.  Both exams will be worth 150 points.  The final exam will cover the entire course.

·        There will be various homework projects assigned.  These homework assignments will total a maximum of 70 points.*  The point value of each individual project will vary and is indicated on the homework assignment sheet below

·         You have one week from the time a graded assignment is returned to question the way it was graded.  After a week, I will not change a grade.

·         You should carefully read the Winthrop University Student Conduct Code printed in the Winthrop University Student Handbook.  As noted in the Student Conduct Code:  “Responsibility for good conduct rests with students as adult individuals.” This policy on student academic misconduct is outlined in the “Student Conduct Code Academic Misconduct Policy” in the online Student Handbook http://www2.winthrop.edu/studentaffairs/handbook/StudentHandbook.pdf

·        Letter grades will be assigned as follows:  A 90-100%, B 80-89%, C 70-79%, D 60-69%, F <59%

 

*The point allocation for homework projects is an estimate.  If for some reason something extra is added or does not take place, the point scale will be adjusted accordingly.

 

Grades:  I will not discuss grades through e-mail.   If you have a question about your grade, please stop by my office.

Lecture:  Lectures will be power point presentations.  I will send everyone a copy of the lecture notes via e-mail.  If you registered for the course late, you will need to manually subscribe to the listserv.  If you drop the course, you will need to unsubscribe to the list or you will continue to receive all e-mails I send.  You can find directions at http://www.winthrop.edu/acc/classlist.htm

Exams:  You may need a calculator for exams.  Cell phones and pagers are strictly prohibited during exams.  You cannot use a cell phone as a calculator during exams and quizzes.

Course Withdraw: March 10th is the last day to withdraw from a full fall semester course with an automatic N grade issued.  Students may not withdraw from a course after this date without documented extenuating circumstances as determined by the University.

Communication: If you have any questions, please stop by and see me during office hours. If these hours are not convenient, see me in class or e-mail me to set up an appointment.

Attendance: You are expected to attend all class meetings. You are responsible for all announcements made in class. Absence or lateness does not excuse you from this responsibility.

Homework: All homework assignments are due at the beginning of class on the due date indicated in the following schedule.  All homework assignments must be typed.

Students with Disabilities:  Winthrop University is dedicated to providing access to education.  If you have a disability and need accommodations, please contact Gena Smith, Coordinator, Services for Students with Disabilities, at 323-3290, as soon as possible.  Once you have your Professor Notification Form, please tell me so that I am aware of your accommodations well before the first exam.

 

 

 

 

 

This is a tentative schedule.

Date

Topic

Reading Assignment

Homework Assignment Due Date

1/11

Introduction

What makes a chemical hazardous

Routes of entry

Precautionary Labels

Ch. 1

Ch. 2

ACS: Guide to Chemical Hazards: Toxicity (pp 10-12); Sources of Information: Labels (15-19)

 

 

 

 

 

1/18

NO CLASS

 

 

1/25

Precautionary Labels

 

MSDS

Ch. 2

 

Ch. 3 (Sections 3A-3B)

ACS: Sources of Information: MSDS’s (pp. 12-20)

 

 

2/1

MSDS

Ch.3 (Sections 3C-3E)

 

HW 1, 2

2/8

MSDS

 

HW 3

2/15

Exposure Limits

 

 

2/22

Using Protective Equipment

Ch. 4 A-D

ACS: Your Responsibility for Accident Prevention (pp 3-4)

 

3/1

Using Protective Equipment

Ch. 4 E

ACS:  Equipment Use:  Laboratory Hoods (pp 27-28)

HW 5 & 6

3/8

Mid-term

 

 

 

3/15

Spring Break

 

 

 

 

3/22

  Handling Laboratory Equipment Safely

 Ch. 5 A, B, D

ACS: Equipment Use (pp 28-29)

 HW 4

 

3/29

Handling Laboratory Equipment Safely

 

Ch. 5 C

 

4/5

Safe Handling, Storage, and Disposal of Chemicals

 

Ch. 6

ACS:  The Properties of Chemicals (pp 20-25)

 

4/12

Safe Handling, Storage, and Disposal of Chemicals

 

Ch. 6

 

4/19

Safe Handling, Storage, and Disposal of Chemicals

 

Ch. 6

 

4/26

Emergency Equipment

 

Ch. 7

ACS:  Safety Equipment and Emergency Procedures (33-36)

 

4/30

Friday 8:00 am

 

 

 

 

 

 

All homework assignments must be typed, 12-pt font.  The due dates for homework assignments are tentative.  They will change if necessary.

 

Homework Assignment 1: Section 2C (pp 30-31) (10 pts)

            This assignment is due 1 February 2010.

 

 Homework Assignment 2: Precautionary Labels (10 pts)

This assignment is due 1 February 2010. 

 

Find the following information for glacial acetic acid:

 

i.        The NFPA hazard diamond (include numerical rating and color-coding)

a.        indicate what each rating indicates

b.       What is the difference between the NFPA ratings and the hazardous materials identification system?

 ii.      Go to the DOT Hazardous Materials Table (49 CFR 172.101) at www.dot.gov and find the following information for acetic acid.  Once at the department of transportation website, click on Dockets and

       Regulations and then Title 49 of the Code of Federal Regulations.  The DOT Hazardous Materials Table is in Title 49 Transportation, part 172.101.

       Be sure to indicate what each of the following represents.  (i.e. What are the hazard class and division?)

a.       The hazard class and division

b.      The label code

c.       Identification number

d.      The packing group

 

Homework Assignment 3: MSDS’s (20 pts)

            This assignment is due 8 February 2010.

 

Find two MSDS’S for your assigned chemical and then find the following information:

  1.  CAS number
  2. the NFPA ratings and/or the HMIS ratings
  3. What do the abbreviations PEL, TLV, STEL, and TLV-C stand for?  What do these values mean?  Is there a PEL, TLV, STEL or TLV-C for the chemical?
  4. What are the upper and lower flammable limits for the chemical?
  5. What are the personal protective equipment requirements for the chemical?  Is there any information here that is beyond the basic personal protective equipment?
  6. Explain what each of the following value signifies:  LD50, LC50, LC50, LD50, TDLO. Are there values reported for this chemical for any of these? Is there any information in this section that would indicate that this is very hazardous chemical to work with?
  7. What is the chemical’s carcinogenic classification?  What does this classification indicate?
  8. Does the MSDS provide transportation information about the chemical?  If so, how does this chemical need to be labeled when it is shipped?  What is it packing group?  Hazard class?  What do these values mean?
  9. Answer questions 1-7 in Exercise 3D on page 64
  10. After thoroughly reading the MSDS, what do you think about working with this chemical??  Is there any information on this MSDS that would alert you to the fact that this is a hazardous, particularly dangerous substance to work with?

 

Homework Assignment 4: Exposure Limits (15 pts)

            This assignment is due 22 March 2009

 

Homework Assignment 5: Personal Protective Equipment (10 pts)

            This assignment is due 1 March 2010.

 

Find an example of an incident where either the use or absence of proper personal protective equipment played a significant role in the outcome of the incident.  Write a short summary of the incident and share your example in class.

 

Homework Assignment 6: Section 4B: Eye and Face Protection (p. 78) (5 pts)

            This assignment is due 1 March 2010.