This site is 100% ad supported. Please add an exception to adblock for this site.

LAB SAFETY - FINAL EXAM

Terms

undefined, object
copy deck
ACGIH
AMERICAN CONFERENCE OF GOVERNMENTAL AND INDUSTRIAL HYGIENISTS
ACS
AMERICAN CHEMICAL SOCIETY
IDLH

-- WHO RECOMMENDS IT?
IMMEDIATLY DANGEROUS TO LIFE AND HEALTH

NIOSH
PEL-STEL

WHO RECOMMENDS IT?
PERMISSIVE EXPOSURE LIMIIT- SHORT TERM EXPOSURE LIMIT

OSHA
NIOSH
NATIONAL INSITUTE OF OCCUPATIONAL SAFETY AND HEALTH
PEL-TWA

WHO RECOMMENDS IT?
PERMISSIBLE EXPOSURE LIMIT- TIME WEIGHTED AVERAGE

OSHA
SCBA
SELF CONTAINED BREATHING APPARATUS
TLV- STEL

WHO RECOMMENDS IT?
THRESHOLD LIMIT VALUE- SHORT TERM EXPOSURE LIMIT

ACGIH
PEL (SAME AS TLV)
WHO RECOMMENDS IT?
OSHA
TLV (SAME AS PEL)
WHO RECOMMENDS IT?
ACGIH
GO OVER MEASURE OF TOXICITY (WAS ON MIDTERM)
LD
LC
ETC.
MSDS
1- id of subst
2- phys and chem props
3- phys and chem hazards (& ingredients)
4- exposure limits (routes of entry, targer organs, sympt' of exposure)
5- carcinogens
6- safe handling and storage
7- control meas's and PPE
8- clean up spills and leaks
9- fire fighting infor
10- E! and 1st aid procedures
11- manufacturer's contact info
-DATE THAT MSDS WAS ISSUED
STANDARD (#) FOR GOGGLES
(MARKED ON THE GOGGLES)
ANSI Z.817
ANSI
AMERICAN NATIONAL STANDARDS INSTITUTE
IF YOU ARE WORKING W/ TOLUENE IN THE LAB AND U SPILL COME ON YOUR HANDS, WHAT COULD HAPPEN?
IRRITANT (SKIN)
FLAMMABLE (START A FIRE)
RIGHT TO KNOW LAW
(DEF. ON THE FINAL)

-- WILL BE BROKEN DOWN INTO 7 POINTS

ISSUED BY _______?
OSHA
RIGHT TO KNOW LAW(1)
MSDS'S AVAIL FOR ALL HAZZ SUBST'S THAT ARE USED AND STORED
RIGHT TO KNOW LAW(2)
-HAZZ MAT'S LIST HAS ALLL HAZZ MAT'S

-MUST BE GIVEN TO LOCAL FIRE AND POLICE
RIGHT TO KNOW LAW(3)
MUST HAVE CURRENT CURRENT INVENTROY OF ALL CHEM SUBST'S
RIGHT TO KNOW LAW(4)
EMPLOYER MUST NOTIFY EACH EMPLOYEE OF EVERY HAZZ SUBST THAT EMPLOYEE IS EXPOSED TO WHILE ON THE JOB
RIGHT TO KNOW LAW(5)
EMPLOYER MUST PROVIDE TRAINING FOR EMPLOYEE

- READING MSDS'S AND LABELS
- SAFE HANDLING
- PROPER USE OF PPE
- PROCEDURE TO EXECUTE IN CASE OF ACCCIDENT
RIGHT TO KNOW LAW(6)
ALL CHEM'S MUST BE LABELED (NAME HAZZ, MANUFACTURER)
RIGHT TO KNOW LAW(7)
MUST HAVE A CHEMICAL HYGEINE
-PLAN (1991)
-OFFICER

PROPER AND SAFER OPERATIONS OF LAB'S

*EMPLOYEES MUST HAVE ACCESS TO ANY CHEM INFO HE WANTS (OTHERWISE, OSHA CAN NAIL THE EMPLOYER)
LABORATORY PROTOCOL AND TECHNIQUES

SLPP
SAFE LAB PRACTICES AND PROCEDURES
LABORATORY PROTOCOL AND TECHNIQUES

SOP
STANDARD OPERATING PROCEDURES
LABORATORY PROTOCOL AND TECHNIQUES

GRSBL
GENERAL RULES FOR STUDENT BEHAVIOR IN THE LAB
(WE HAD TO SIGN THEM IN THE BEG. OF YEAR)
LABORATORY PROTOCOL AND TECHNIQUES

THE FOUR G'S
1- GENERAL
2- GLASSWARE
3- GARBAGE (DISPOSAL)
4- GEAR
LABORATORY PROTOCOL AND TECHNIQUES

4G'S

GENERAL
KEEP AISLE'S CLAR, DRAWERS CLOSED, BOOKS AND STOOLS AWAY
LABORATORY PROTOCOL AND TECHNIQUES

4G'S

GLASSWARE
-USE ONLY IF CLEAN AND IN GOOD CONDITION
-USE ONLY WHAT U NEED
-DIPOSE BROKEN GLASS IN SPECIFIC CONTAINER
-USE PROPER TEQNIQUES- INSERT TUBING, FIRE POLISHING
LABORATORY PROTOCOL AND TECHNIQUES

4G'S

GARBAGE
DISPOSAL OF WASTES
-USE SPECIFIC CONTAINERS
-PROPER STORAGE AND HANDLING (MSDS)
-OBSERVE INCOMPATIBILITIES
-USE DRAIN WHEN PERIMITTED
*DO NOT MIX ACIDS W/ BASES - BIG RXN!
LABORATORY PROTOCOL AND TECHNIQUES

4G'S

GEAR
1- FUME HOODS (STNDRD AVG. VELOCITY: 80-125 FT/MIN)
2- EYEWASH STATION: accessible (10sec, 100ft ANSI z.358.1), inspected regularly,keep eye open, 15 min, 25psi, =<110F, can have hand-held one
3- SAFETY SHOWERS : (ANSI z.358.1) 30 gal/min, easy access, inspected, can have portable h2o, alarm, remove clothing,do not neutralize on skin,
the most common accident in the lab is FIRE.

name the fire tetrahedron:
1- FUEL
2- OXIDENT
3- IGNITION SOURCE
4- FREE RADICALS
DEFINE FREE RADICAL
AN ATOM/MOLEC WHICH HAS AT LEASE ON OF ITS E-'S UNPAIRED (HIGHLY REACTIVE)
READ YELLOW HL'S IN NOTES
IN NOTES
CLASSES OF FIRES: ABCD

CLASS A
NATURAL AND SYNTHEIC MAT'S

(ie WOOD, PPR, PERSON; SYNTHETIC CLOTHING- RAYON, NYLON (NOT COTTON/WOOL)
CLASSES OF FIRES: ABCD

CLASS B
FLAMMABLE LIQUIDS AND GASES

IE: H2 AND ANY GAS THAT READILY BURNS

VAPORS OF LIQUIDS (MUST VAPORIZE QUICK ENOUGH TO FEED THE FIRE)
CLASSES OF FIRES: ABCD

CLASS C
ELECTRICAL EQUIPTMENT

-FIRE when electrical current in too high
- used to reduce risk: circuit breakers and fuses
-ie rug over cord- is this class of fire
CLASSES OF FIRES: ABCD

CLASS D
FLAMMABLE SOLIDS AND WATER REACTIVE SUBST'S
combustible metals such as magnesium or titanium
dry chemical fire extinguisher
A device designed primarily for class B and C fires containing dry chemical agents that extinguish fire by a chemical chain reaction. Three types of chemicals are used: sodium bicarbonate, potassium bicarbonate, and ammonium phosphate.
EXTINGUISHERS:

CLASS A
extinguished by water or dry chemicals
EXTINGUISHERS
CLASS B
extinguished by foam, carbon dioxide or dry chemicals
EXTINGUISHERS
CLASS C
by a nonconductive extinguishing agent such as carbon dioxide or dry chemicals
EXTINGUISHERS
CLASS D
extinguished by special dry chemical extinguishers

- GRAPHITE/ DRY SAND
DOES LABEL TELL WHAT CLASS EXTINGUISHER TO USE?
YES, IT LISTS A B C AND/OR D
FUEL TEMP'S

FLASH POINT
THE MIN TEMP AT WHICH A FLAMMABLE LIQUID RELEASES SUFFICIENT VAPOR TO FORM AN IGNITABLE MIXTURE WITH AIR NEW THE SURFACE OF THE LIQUIE W/ IN A CONTAINER
FUEL TEMP'S

FIRE POINT
(USUALLY 15 TO 20 DEGREES ABOVE FLASH PT)

-MIN TEMP AT WHICH A FLAMMABLE LIQUIED RELEASES SUFFIENT VAPOR TO FORM AN IGNITABLE MIXTURE WITH AIR NEAR THE SURFACE OF THE LIQUID THAT WILL INGNITE AND CONTINUE CONTINUE TO BURN
AUTOIGNITION POINT
The minimum temperature at which a substance will continue to burn without additional application of external heat. (WEB)

- THE MIN TEMP AT WHICH A CHEM IGNITES SPONTANEOUSLY IN AIR (SACL)
CLASSIFICATION OF FLAMMABLE LIQUIDS

I.A, I.B, I.C, I.D,
III.A, IIIB,
---
SEE CHART ON LL
HOW DO WE REDUCE RISK OF FIRE ?

(3 THINGS)
1 STORE CHEM'S PROPERLY
2 PROVIDE ADEQUATE VENTILATION
3 DISPOSE OF WASTE CHEMICALS (IMMEDIATELY B/C THEY ARE USUALLY FLAMMABLE)
ABSORB VS ADSORB

PIE IN FACE ANALOGY
ADSORB- PIE STICKS TO FACE

ABSORB- BERG OPENS MOUTH ANS SWALLOW PIE CONTENTS
SPILL KITS

TYPES:
- ACIDS S.K.
- CAUSTIC (BASES) S.K.
- SOLVENT S.K.
- Hg S.K.
EACH SPILL KIT SHOULD CONTAIN (4):
1- MAT TO CONTAIN SPILL
2- A BROOM (SYNTHETIC BRISTLES)
3- A DUST PAN
4- BAGS/ CONTAINERS TO HOLD USED MATERIAL
WHAT IS THE NAME OF THE LABEL THAT TELLS WHAT CLASS A FIRE IS

WHO ISSUES IT?
704 LABEL

NFDA (NATIONAL FIRE DEPARTMENT AGENGY)
BLUE:
RED:
YELLOW:
WHITE:

WHAT DO COLORS MEAN?
BLUE: HEALTH
RED: FIRE
YELLOW:REACTIVITY
WHITE: SP. HAZZ
WHO IS FDA AND WHAT DO THEY DO?
FOOD AND DRUG ADMINISTRATION

HAVE CONTROL OVER PHAM. CO'S
REGULATE THE PROTOCOL USED BY PHARMECUTICAL COMPANIES
704 LABEL

SP.HAZZ
OXY - STRONG OXIDANT
ACID- STRONG ACID
/W - NOT WITH WATER
OTHERS?
STORAGE OF CHEM'S: (MSDS TELLS HOW TO STORE CHEM'S)-STORED IN A COMPATIBLE GROUP ALPHABETICALLY

- ________(GROUP LETTER)CMPD'S ARE STORED SEPARATELY FROM _________(GROUP #) CMPD'S

-ARE ACIDS STORED SEPARATELY FROM THESE?
ORGANIC CMPDS (A-H)
INORGANIC CMPDS (1-8)

YES
GENERAL RULES FOR CHEM STORAGE:
1 DATE OF RECEIPT (1ST OPENED)
2 DESIGNATED STORAGE AREAD
3 ACID AND BASES CABINETS SEPARATE
4 FLAMMABLE CABINETS (ORGANICS)
5 SHELVING- SECURE, WOOD NO ISLAND SHELVES
6 ANTIROLLUP LIP AND RESTRAINTS
7 COLLECTION CONTAINERS UNDERNEATH
8 EYE LEVEL STORAGE- LG BOTT'S NEAR FLOOR- NOT ON FLOOR
9 DON'T RETURN ONCE USED SUBST.
10 PROPER LABELLING
11 CARCINOGENS AND POISENS STORE SEPARATE (LOCK AND KEY)
WHO IS RESPON. FOR HEALTH AND SAFETY OF EMPLOYEES IN THE WORK PLACE?
OSHA
(1) IN 1970, CONGRESS PASSED _________ACT AND ESTABLISHED A NEW DIVISION AS A PART OF THE _______________.
OSHA

DEPRTMENT OF LABOR
(2) OSHA PASSED THE _____________ STANDARD TO REG. MANUFACTURING CO'S WHICH REQ'S INFO AND TRAINING FOR EMPLOYEES (PROTECTION DURING USE AND HANDLING)
HAZARD COMMUNICATION STANDARD
(3) IN 1988 _____________

INCLUDES ALL WORKERS RED'D TO WORK WITH HAZ MAT'S - INCLUDE PRIVATE INSITUTIONS SUCH AS ALLENTOWN COLLEGE
HAZARD COMMUNICATION STANDARD
(4) IN 1990, _________ STANDARD WAS PASSED - FOR LABS RATHER THAN INDUSTRIES (SMALL QUANITITIES AND MORE HAZZ SUBST'S)
-MAINTAIN LEVELS BELOW PEL'S REL'S TLV'S
-CHP (CHEM. HYGEINE PLAN)
OCCUPATIONAL EXPOSURE TO HAZARDOUS CHEMICALS IN LABORATORIES STANDARD
RIGHT TO KNOW LAW IS RELATED TO THE 1990 STANDARD CALLED:
OCCUPATIONAL EXPOSURE TO HAZARDOUS CHEMICALS IN LABORATORIES STANDARD
THIS STANDARD PROTECTS HAZ WASTES OPERATORES WHO WORK WITH HAZ WASTES ON A LARGE SCALE (PERTROLEUM IN RIVER)
- PROVIDES INFO AND TRAINING IN HANDLING AND DIPOSING HAZZ WASTES (LG QUANTITIES)
HAZWOPER STANDARD
EPA
WHEN WHAT IT CREATED?
WHY WHAT IS CREATED?
1970
-PROTECT ENVIRON, MONITOR MANUFACTURE AND TRANSPORT AND USE AND DISPOSAL OF HAZZ SUBST'S
-ALSO CONTROLS NOISE, POLLUTION, RADIATION, PESTICIDES, AUTO EMISSIONS
EPA ACTS:
CLEAN AIR ACT (ISSUED 4 X'S)
IDENTIFIES HAZZ AIR POLLUNTANTS
(190 OF THESE)
EPA ACTS:
CLEAN WATER ACT (1972)
REGULAT DISCHARGE OF WASTES INTO BODIES OF WATER
EPA ACTS:
RCRA (GIVE NAME?)
WHAT DOES IT DO?
RESOURCE CONSERVATION AND RECOVERY ACT

- REGULATES RECYCLYING AND DISPOSAL OF WASTES-- WASTES DIVIDED INTO SIX CATEGORIES: I, C, R, E, H, T
I(IGNITABLE)
C (CORROSIVE)
R (REACTIVE)
E (TOXICITY IS CHAR OF THE WASTE)
H (ACUTE HAZZ)
T (TOXIC- MORE THAN E)
EPA ACTS:
CERCLA (GIVE NAME?) (1980)
COMPREHENSIVE ENVIRONMENT RESPONSE COMPENSATION AND LIABILITY ACT

-IDENTIFIES AND FINES THOSE RESPON FOR HAZZ WASTE SPILL (IE EXXON- ANARTICA)
EPA ACTS:
SARA (GIVE NAME?)
SUPERFUND AMENDMENTS NA DREAUTHORIZATION ACT (1986)

-PROVIDES MOENY TO HELP LOCAL AND STATE AGENCIES RESPOND TO SPILLS (E! $)

Deck Info

71

permalink