Chemical Storage, Segregation, and Disposal

1
Chemical Storage, Segregation, and Disposal

• Kris Rossmiller
• Environmental, Health Safety Specialist

2
EHS JOB

• Regulatory Compliance
• EPA
• Air, Water, Waste
• OSHA
• Office Safety, Lab Safety, Worker Safety

3
General Lab Safety

• Upkeep of Lab Equipment
• Recordkeeping-Vital
• Safety
• Chemicals

4
Upkeep Lab Equipment

• Inspections
• Notify Administration (in writing)
• Do Not Use Defective Equipment

5
Recordkeeping

• Critically Important
• Records of Safety Training
• Records of Incidents, spills, accidents
• Parent notifications Permission slips

6
Safety

• Know location of Safety Equipment
• Know Emergency Response Procedures
• Know Emergency Numbers
• Know where gas and electrical shut-offs are
  located

7
Safety cont

• Have written safety instructions and procedures
• Have Emergency drills
• Explain consequences for violating safety rules.

8
Chemicals

• Maintain current chemical inventory
• Send copy of inventory to Fire Department
• Keep chemicals in original containers
• Store and dispose properly

9
Before You Order a Chemical

• Review experiment substitute less hazardous
  chemicals
• Evaluate hazards-use MSDS
• Determine what PPE is required.

10
Before you Order a Chemical

• Determine if end product will be hazardous waste
• Ensure budget can handle hazardous waste
  disposal costs
• Have a plan for storage and disposal of hazardous
  waste

11
Chemical Tracking System

• Database of chemicals in lab
• Include in Tracking fields
• For each container

• Name of Chemical
• CAS number
• Date received
• Supplier
• Type of container
• Storage class
• Expiration (use by) date
• Amount on hand
• Disposal

12
Labeling Containers

• Use good labels (good adhesive vinyl)
• Use permanent marker or laser printer
• Print clearly and visibly
• Replace damaged or faded labels
• Use HMIS system for employees
• NFPA on door to stockroom

13
Labeling containers cont

• Commercially Packages Chemicals
• Name as appears on MSDS
• Name chemical mfg.
• Handling information
• Hazard Information

• Add
• Date received
• Date first opened
• Expiration (Use by) date

14
Labeling cont

• Secondary Containers
• Chemical name as on MSDS
• Name of mfg. or person who prepared solution
• Hazard information
• Concentration or purity
• Handling instructions
• Date prepared
• Use by date

15
Labeling cont

• Peroxide forming substances
• Must have
• Date received
• Date opened
• Date to be disposed of (lt6 months)

16
Chemical storage

• General
• On study shelves shelves bolted to wall
• Storage rooms must have secure locks
• Chemical storage off limits except to authorized
  personnel
• Must have good ventilation

17
Storage -General

• Store Nitric acid separately
• Do not store chemicals in hood, on top of
  cabinet, on high shelves and on the floor.
• Do not store above eye level
• Do not store with food and drink
• Keep away from direct heat or sunlight or highly
  variable temperatures

18
Storage cont

• Inorganics
• 1. Metals, Hydrides
• 2. Acetates, Halides, Sulfates, Sulfites,
  Thiosulfates, Phosphates, Halogens
• 3. Amides, Azides, Nitrates (Except ammonium
  nitrate) Nitrites

19
Storage cont

• Organics
• 1.Acids, Amino acids, Anhydrides, Peracids
• 2. Alcohols, Glycols, Amines, Amides, Imines,
  Imides, Sugars
• 3.Hydrocarbons, Easters, Aldehydes, Oils

20
Storage Shelf Pattern Inorganics

• Inorganic 10
• Inorganic 2
• Inorganic 3
• Inorganic 1
• Inorganic 4
• Inorganic 9
• Acid cabinet store nitric acid separately

• Inorganic 7
• Inorganic 5
• Inorganic 8
• Inorganic 6
• Miscellaneous

21
Storage-Shelf Pattern-Organics

• Organic 2
• Organic 3
• Organic 4
• Organic 5
• Organic 7
• Store flammables in flammable cabinet

• Organic 8
• Organic 6
• Organic 1
• Organic 9
• Miscellaneous
• Store certain organic acids in acid cabinet
• Store toxics in poison cabinet

22
Storage-Compressed Gases

• Gas name must be on cylinder, Do not identify gas
  by mfg. color
• Check all cylinders for damage
• Be familiar with hazards before using gas
• Wear protective eyewear when working with gases

23
Storage-Compressed Gases

• Use proper regulators
• Check for leaks around valve and handle using
  soap solution.
• Close valves and relieve pressure when not in
  use.
• Install safety caps when storing or moving

24
Storage-Compressed Gases

• Label cylinder EMPTY or Full
• Secure all gas cylinders to wall with chain or
  place in metal stand secured to wall.
• Store full and MT cylinders separately
• Store flammable gases in outdoor shed
• Move cylinder using hand cart-Do Not Roll

25
Disposal

• Must make waste determination hazardous or
  non-hazardous
• Hazardous
• Ignitable Flash point lt 140 F
• Corrosive pH lt2 or gt12
• Reactive reacts with water, forms peroxides
• Toxic - TCLP
• Listed F, K, P and U

26
Disposal

• Non-hazardous
• Municipal Waste

27
Disposal

• In Des Moines you cannot pour it down the drain!
• City ordinance forbids disposal of all chemicals,
  pharmaceuticals, and most biologicals down the
  drain.

28
Disposal

• Waste container must be labeled with
• Words Hazardous Waste
• Contents- Full chemical name of each component
  (No abbreviations, or chemical symbols)
• Start date First day waste placed in container

29
DISPOSAL

• Waste containers must be closed securely except
  when adding waste.
• Cannot evaporate volatiles in hood.
• Store waste separately from other chemicals
• Must be segregated by compatibility

30
DISPOSAL

• Accumulation Site
• Must be locked
• Must be inspected weekly
• Must have restricted access
• Must have secondary containment
• Must have spill equipment
• Explosion proof lighting

31
Disposal

• EPA ID Number Form 8700-12
• Use EPA permitted and DOT licensed transporter
• Dispose at an EPA permitted site.

32
Disposal

• Other Waste
• Universal
• Fluorescent lights
• Mercury containing
• Batteries-not alkaline
• Cathode Ray Tubes (CRTs)

33
Disposal

• Other waste
• Special requires special handling at landfill
• Diesel fuel contaminated soil
• Asbestos material

34
Recycling

• You should recycle
• Paper
• Cardboard
• Ink Cartridges
• Plastics
• Metal
• Construction debris

35
Pollution Prevention

• Waste Minimization
• Use less toxic chemicals
• Do micro-scale experiments
• Use less energy

36
Kids in Science

• Make science fun
• Do Science shows for schools, scouts, youth
  organizations
• Use child size PPE
• Get permission slips
• Stress Safety!!!

37
CONTACT

• Kristine Rossmiller
• Environmental, Health Safety Specialist
• Drake University
• [phone] (Work)
• (515) 271-402-3275 (Cell)
• Kristine.Rossmiller_at_drake.edu