1. Laboratory Safety
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2. Objectives
This policy is intended to outline the general safety guideline and rules for activities which are performed at the CSP Laboratory.
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3. SAFETY PRECAUTIONS
PPE: Safety glasses, appropriate clothing and gloves must be worn in laboratory at all the times.
Long hair must be retrained so it cannot fall into chemicals.
No eating or drinking in lab or storage of food.
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4. Safety precautions:
Always wash your hands if you spilled anything on them and before leaving the lab.
Pipetting should always be carried out by ejectors or bulb and never the mouth.
Use fume hood to perform all the chemical reactions that produces fumes.
Always leave the fume hood running.
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5. Safety Precautions
Discard titration samples in designated disposal site.
In our plant the lab sink drains into vacuumed sealed containment area T-9103.
Do not mix or drain acid and sodium hypochlorite together or close proximity of time, reaction can release toxic Chlorine gas.
Do not carry out unauthorized experiments.
Prior to working with any chemicals, always read and understand the Safety Data Sheets and respective SOPs.
If at anytime you get nauseous, get outside for fresh air, report to authorities .i.e. Shift leads or Plant manager.
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6. Safety Precautions
Keep eye wash stations, emergency showers, fire extinguisher and alarm pull- boxes free from obstructions.
Keep emergency exits and all corridors free from obstruction.
Never allow laboratory facility to come in contact with any food or drinking water.
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7. Safety Precaution House Keeping:
Clean benches and counters after the completion of each test.
Broken glassware must be disposed into designated waste containers i.e. glass disposal bin under the counter.
Chemical spill must be contained with spill kit immediately and placed in designated containers.
Labels on incoming containers cannot be removed or defaced.
Used empty chemical bottles advised crossed off the label before discarding them in the trash.
(note: Please read SDSs and label carefully before rinsing it with water, keeping in mind possible reactivity when rinsing the bottles)
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8. Laboratory safety Getting Sample :
Must wear designated Lab face shield with visor.
Buttoned full sleeved shirt .
Surgical rubber gloves provided by company, or thicker gloves if needed to protect from heat of hot samples.
Plant required PPE .i.e. Hard hat, respirator, steel toe boots and safety glasses with side shield must be worn.
Mandatory: carrying a radio on at all times.
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9. Corrosive Chemicals:
All chemical splashes on the floor or benches or counters must be cleaned immediately.
Pour concentrated acids and alkalis into water and never the reverse.
Dilute the acid and alkalis concentration with large amount of water before discarding into the sink.
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10. Flammable Liquids Avoid breathing fumes of these liquids.
Do not handle flammables near hot plate or other source of ignition.
Never discard flammable into the lab sink.
Do not introduce chemicals that are not used or produced by the plant into the process or the lab sink.
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11. Chemical Storage Avoid storing any chemical above eye level.
Don’t store incompatible chemicals together.
Don’t store chemicals near sources of heat or sunlight.
Don’t store chemicals in the hoods or acids on metal shelves
Avoid storing anything on the floor, especially glass bottles.
There are lots of points to make about safe chemical storage. Some include to:
Make sure all chemical containers are labeled properly & have an MSDS on file.
Mark the date of new chemicals & only order what you need!
Make sure shelving units are non-reactive and have raised edges.
Eliminate and dispose of carcinogens & highly reactive materials, such as phosphorous & picric acid properly.
Store gas cylinders upright - securely & chained.
Unfortunately, we also see lots of bad examples of how to store chemicals. Aside from this list of “don’ts” (you can read them from the slide or just let the participants read for themselves), we have pictures of two common practices.
Can anyone see what’s wrong in this top picture? Limited discussion.
Answer: Bottles of acids stored on the floor in an acid storage room. The label has peeled off the nitric acid bottle. Other bottles have no label. If a bottle is knocked over, it is likely to break on the floor creating heat and releasing acid gases into the air.
What about in the bottom picture? Limited discussion.
Answer: The storage shelf has been alphabetized. Notice the top shelf is all B chemicals, and the middle and bottom shelves are C items. This will result in storing incompatible chemicals next to each other such as a strong oxidizer next to a reducing agent. Do not alphabetize your chemicals!! .
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12. 100 Main St., Philadelphia, PA
Right To Know
OSHA’s Hazard Communication Standard requires that ALL Containers Must be Labeled With:
Once you have an inventory of all the chemicals in your lab, the next step is to make sure you have information on them. Another OSHA standard that guarantees you this information is the Hazard Communication Standard, also referred to as the Right-to-Know.
This standard requires that all containers must be labeled with specific information, including:
The chemical name & physical/health hazards associated with the product
The name & address of the manufacturer & emergency contact numbers
Many times, secondary containers are left unlabeled, which results in disposal problems. The composition of the unknown waste must be identified usually through the services of an outside analytical laboratory. Such services are often quite expensive so labeling all containers is a good practice.
How’s your lab stack up? Are all of your containers labeled with the required information? Limited discussion.
Chemical Name & Physical/Health Hazards
Name & Address of the Manufacturer & Emergency Contact Numbers
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100 Main St., Philadelphia, PA

13. Safety Data Sheets (SDSs)
Safety Data Sheets (SDSs) An SDSs must be on file & available for each chemicals in the lab. In our plant we have physical copy in control room and electronic copy in drop box under safety folder.
An SDSs lists:
1, Identification
2, Hazard(s) identification
9, Physical and chemical properties
3, Composition/information on ingredients
10, Stability and reactivity
11, Toxicological information
4, First-aid measures
12, Ecological information
5, Fire-fighting measures
13, Disposal considerations
6, Accidental release measures
14, Transport information
7, Handling and storage
15, Regulatory information
8, Exposure controls/personal protection
16, Other information
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14. Types of Labels
There are a variety of ways to label containers. What matters is that the required information is on the label.
NFPA: Labeling system of the National Fire Protection Association (NFPA). The labels are diamond-shaped and color coded. Blue indicates the health hazard. Red indicates the fire hazard. Yellow indicates the reactivity hazard.
White gives special information such as water or oxidizer incompatibility. In each field, the degree of the hazard is rated from 0 to 4, with 4 being the greatest hazard and 0 indicating no significant hazard.
HMIS: Another labeling system that is similar to the NFPA system but in bar graph format. Same colors and numbers, except the white area is generally reserved for listing any PPE that may be needed when working with that chemical.
DOT: Labeling system of the Department of Transportation. These labels are typically found on the outside of shipping cartons and are color-coded with the hazards depicted by readily identifiable symbols. These universal symbols are sometimes found on a container's label as well.
NFPA Diamonds and HMIS Bars are Color & Number Coded with Hazard Information
DOT Symbols Are Usually Found on Shipping Cartons
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15. Maintaining a Chemical Inventory
Yearly inventory of chemicals must be conducted and update the file of material safety data sheets (SDSs) to prevent the accumulation of orphaned chemicals.
Some of these chemicals become unstable, react with the container, slowly degrade or evaporate.
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16. Routinely Inventory: Recordkeeping:
Lab inventory log/orders are done by designated employees every other week, however it does not preclude everyone’s responsibility to keep track of our inventory and reporting to designated personnel if needed.
Recordkeeping:
Records retained for duration 3 years plus current.
Includes tests results and written opinions.
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17. Communication
Pass down at the end or beginning of the shift must include:
General lab and plant status.
Any broken lab equipment.
Deviation from normal process operation that effects directly or indirectly to standard lab operations.
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