Safety WorkshopJune 16, 2008

Safety: responsibility of the school board, district administration, teachers, parents, and students

ANSI Z87.1-1989

Protective Spectacles (for over prescription eyewear)

Chemical Splash Goggles

Face Shield

Protective Spectacles

Latex Nitrile

Hard copy for every chemical in lab English Other languages, if necessary

Lab doors closed when using hood

Clean and clutter free No chemical storage in

hood Open windows ≠ Hood Sash completely closed

when not in use Controls outside hood

Flow rate should between 60 and 120 ft/min. (Ideally 100 ft/min.)

Mark sash Test annually Properly discharge exhaust to prevent

reentry

Sash between face and experiment

Work 6 inches inside hood Use a shield if possibility of

explosion Adequate illumination Only necessary materials in the

hood Turn hood on before performing

experiment

Flinn Catalog Alphabetically only within categories Wooden storage shelves with ¾ inch lip No stacking chemical bottles Bottles no more than 2 deep on shelf

Mark date received, date opened, and initials

No storage of more than 1 gallon of a liquid No storage near, over, or under a sink No storage above eye level Secure storage areas

No storage on top of flammables cabinets

Store nitric acid in separate tub in acid cabinet

Corrosives and oxidizers in separate cabinet◦ e.g. Chlorates, chromates, nitrates,

permanganates, persulfates Store oxidizers 20 feet from flammables

Gases stored outside the classroom◦ NFPA 45: 8-1.2(96)

Store oxygen at least 20 feet from other flammable gasses

Strap tanks when used in classroom

Annual inventory Posted outside lab Copy to local fire department

Labels should contain the following:◦ Chemical name as on MSDS◦ Concentration◦ Date made◦ Initials◦ NFPA label◦ First aid information◦ Expiration or use by date

Benzene Lead? Magnesium powder? Mercury Methylene chloride? Perchloric acid Silver nitrate? Sodium chromate? Sodium dichromate?

Post emergency numbers◦ 911◦ Poison control◦ Fire◦ Police◦ Hospital

Practice drills Injuries

◦ Administer first aid◦ Send to school nurse◦ File a report

Two clearly marked exits Posted floor plan with emergency escape

route Fire doors that open in the direction of the

escape

GFI (ground fault interrupt) plugs on lab benches

Multi outlet plugs with built-in circuit breaker

Monthly safety shower test ANSI Z358.1-2004

Weekly eyewash station test Plumbed eyewash Eyewash temperature 78-92˚F ANSI Z358.1-2004

Smoke detector First aid kit Log inspections and tests Emergency gas shut off

Practice drop and roll Must have safety shower Should have a fire blanket Class ABC fire extinguishers Monthly check of fire extinguishers

For a small spill:◦ Never clean up alone◦ Use a spill kit

For a large spill:◦ Evacuate◦ Call HazMat◦ Call 911

6 changes of air/hour in lab Separate ventilation for prep and storage

rooms Hood ≠ room ventilation Open windows ≠ room ventilation

Separate glass disposal container◦ Bag inside a box

Designated waste containers thatare segregated by compatibility◦ NFPA 45: 7-2.1

Store on wooden shelves with anti-roll lips, if possible

Bottles no more than ¾ full.

Waste labels must display:◦ The words “hazardous waste”◦ Contents with chemical names, not formulas◦ Approximate concentrations◦ Date started◦ Initials

Flinn Waste pick-up every 6 months Waste should NEVER be picked-up during

school hours

Room occupancy based on fire and safety codes

One teacher: up to 24 students

Post rules Student safety contract District-supplied safety training District liability insurance District review of science facilities and

instruction every 3-5 years Notify school officials about existing safety

issues Adopt chemical hygiene plan

SOP for activities using hazardous chemicals Control measures to reduce exposure Hoods and safety equipment function properly Information on hazardous chemicals (MSDS) Training Circumstances requiring administrative

approval Requirements for medical consultation Designation of responsible personnel Requirements for additional protection Provisions for yearly re-evaluation

Emergency lighting Anti-slip floor – NO carpet Aisle widths at least 44 inches No drawers that open into

narrow aisles Doors should open into room,

not passageway

Fisher Scientific. Lab Safety Manual. 2007.

http://www.cdc.gov/niosh/docs/2007-107/pdfs/2007-107.pdf