Laboratory Standard

1
Laboratory Standard
2
Laboratory use of hazardous chemicals

• Chemical manipulations are carried out on a
  laboratory scale
• Multiple chemical procedures or chemicals are used

1a
3
Laboratory use of hazardous chemicals

• Procedures are not part of, and do not simulate a
  production process
• Protective laboratory practices and equipment are
  available to minimize employee exposure

1b
4
Permissible exposure limits cannot be exceeded

• PEL is the level a person can be regularly
  exposed to without adverse effects
• Eight-hour time-weighted average
• Ceiling concentration limits
• Skin designation limits

2a
5
Permissible exposure limits cannot be exceeded

• Action level is an exposure level OSHA has
  designated for a specific substance
• Eight-hour time-weighted average
• Exposures at action level initiate exposure
  monitoring, medical surveillance

2b
6
Exposure monitoring

• Measured when there is reason to believe exposure
  levels exceed action level or PEL
• Performed for substances regulated by an OSHA
  standard that requires monitoring

3a
7
Exposure monitoring

• Monitoring may be terminated in accordance with
  regulation
• Employees must be notified of monitoring results
  within 15 working days
• Individually
• Posting results in accessible location

3b
8
Chemical Hygiene Plan - Basic operating procedures

• What to do for accidents and spills
• How to avoid routine exposures
• How to choose chemicals

4a
9
Chemical Hygiene Plan - Basic operating procedures

• Where to eat, drink, chew gum, smoke, apply
  cosmetics

4b
10
Chemical Hygiene Plan - Basic operating procedures

• How to properly use glassware and equipment
• Hygiene practices upon leaving laboratory

4c
11
Chemical Hygiene Plan - Basic operating procedures

• Proper behavior in laboratory - no horseplay
• How to pipette - no mouth suction
• Appropriate personal apparel and PPE

4d
12
Chemical Hygiene Plan - Basic operating procedures

• Be aware of unsafe conditions - plan ahead,
  follow warnings, work under exhaust hoods
• Properly dispose of wastes
• Do not work alone when performing hazardous
  procedures

4e
13
Chemical Hygiene Plan

• Potential laboratory hazards
• Allergens and Embryotoxins
• Moderate chronic and high acute toxicity
• High chronic toxicity
• Animal work with chemicals of high chronic
  toxicity

4f
14
Chemical Hygiene Plan

• Controls to reduce employee exposure
• Engineering controls
• Work practice controls
• Hygiene practices
• PPE

4g
15
Chemical Hygiene Plan

• Ensure that fume hoods function properly
• Employer approval is needed before conducting
  some operations, procedures, activities

4h
16
Chemical Hygiene Plan

• Medical examinations and consultation

4i
17
Chemical Hygiene Plan

• Personnel responsible for implementation of
  hygiene plan
• Chemical hygiene officer
• Chemical hygiene committee

4j
18
Chemical Hygiene Plan

• Provisions for employee protection from
• Select carcinogens
• Reproductive toxins
• Substances with high degree of toxicity

4k
19
Chemical Hygiene Plan

• Provide information about
• Designated areas
• Containment devices
• Safe removal of contaminated waste
• Decontamination procedures
• Review plan annually

4l
20
Training

• Location and availability of MSDSs
• Training is required upon initial assignment,
  and prior to new exposure situations

5a
21
Signs and symptoms of exposure

• Each chemical has an MSDS
• Read MSDS to determine signs and symptoms of
  exposure

6a
22
Methods of detection of a release

• Monitoring is conducted
• Continuous monitoring devices
• Visual appearances
• Odor of hazardous chemicals

7a
23
Medical consultations/examinations

• Reasons for medical attention
• Care provided by physician without loss of pay
• Care provided at reasonable time and place

8a
24
Medical consultations/examinations

• Information provided to physician
• Chemicals to which employee is exposed
• Exposure conditions
• Signs and symptoms of exposure

8b
25
Medical consultations/examinations

• Physicians written opinion
• Confidentiality of information not related to
  exposure

8c
26
Labels

• Labels on incoming containers cannot be
  removed or defaced

9a
27
Respirators - meet 1910.134 requirements

• Selection procedures
• Proper fit
• Proper use and care
• Limitations of respiratory protection

10a
28
Recordkeeping

• Records retained for duration of employment plus
  30 years
• Includes tests and written opinions

11a
29
Summary of main points

• Basic operating procedures
• PPE
• Hazards of chemicals used
• Signs and symptoms of overexposure

12a
30
Summary of main points

• Detection methods of a release, or presence of
  chemicals
• Permissible exposure limits
• Required monitoring

12b
31
Summary of main points

• Medical examination requirements
• MSDSs and labels
• Respirator use
• Recordkeeping requirements

12c