Standard Operating Procedure

LOCAL SAFETY OFFICER: Steve Shepard
ROOM: McKay 222 A (Cleanroom)
P.I.: M. Tinkham

DATE: December 7, 1998

TYPE OF RESEARCH: Microfabrication

PROTECTIVE CLOTHING THAT MUST BE USED FOR ALL WORK:

• Safety Glasses -
• Face Shields - Use when etching with hydrofluoric acid.
• Rubber Boots -
• Safety Goggles - When using any chemical (i.e. acid, base, solvent).
• Aprons - Use when etching with hydrofluoric acid.
• Gloves - (Please specify type) Use vinyl gloves with vacuum equipment; vinyl & rubber gloves with chemicals. When working with chemicals or other materials that warrant the use of protective gloves (such as work with cryogens), proper glove selection is critical. At the Safety Committee web site (http://www-safety.deas.harvard.edu) under "Safety Committee Services" can be found a listing of glove type vs. chemical. If there is any question, see Lenny Solomon.
• Steel-toed Shoes -
• Respirators -
• Laser Safety Goggles -
• Other - Cleanroom garments: outer cleanroom, use open faced hoods, frocks, boots; inner cleanroom, use closed faced hoods, frocks, boots, vinyl gloves.

GENERAL HOUSEKEEPING RULES:

1. No dust emitting materials (i.e. cardboard, paper).
2. Wipe off all supplies and equipment before entering cleanroom.
3. Clean up after lab use (i.e. return beakers, chemicals to shelves); leave the cleanroom as it was when you entered it.

WASTE DISPOSAL RULES:

1. Put chemical wastes into appropriately labeled waste containers.
2. When using new/empty container, list all chemicals (names, not formulas!) on hazardous material label.
3. Give full waste containers to Steve Shepard.
4. Deposit used pipets into waste pipets container.

FUME HOOD USE:

1. Outer Cleanroom: acids, bases, solvents; use labeled beakers with correct chemical.
2. Inner Cleanroom: bases, solvents; use labeled beakers with correct chemical.

CHEMICAL STORAGE:

1. Outer Cleanroom: under hood, in the appropriately labeled cabinet.
2. Inner Cleanroom: lower shelves, appropriate labeled section. No acids!

SPECIAL TRAINING REQUIRED:

1. Cleanroom Procedures by Steve Shepard
2. Chemical Use, Hazardous Waste Disposal by Henry Littleboy

CHEMICAL SPILL CLEAN-UP PROCEDURES:

1. Small spills should be cleaned up by those responsible and contact Steve Shepard.
2. Spill Kits: outer room, located to right of fume hood; inner cleanroom, located under hood. Also, there is a kit in the main accumulation area outside room 219.

OTHER RELEVANT COMMENTS:

1. Deposit used/broken glass, razor blades, etc. into "Sharps Container."
2. When in doubt about any procedure, process, etc., call Steve Shepard at 5-3297 or 781-828-9593 (home).