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POLY A INDUSTRIAL HYGIENE SAFETY MEETINGS
I ATTENDED THE INDUSTRIAL HYGIENE SAFETY MEETING FOR PoLY A THAT COVERED THE FOLLOWING INFORMATION:
The Consequences of exposure to toxic amounts of chemical and PHYSICAL AGENTS.
The result of the employee exposure measurements and area noise SURVEYS FOR 1984.
The CONTROL MEASURES available to minimize EMPLOYEE EXPOSURES.
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088??9 CONFIOFNTTAI
POLY A INDUSTRIAL HYGIENE SAFETY MEETINGS
I attended the Industrial Hygiene Safety Meeting for Poly A that covered the following information:
The Consequences of exposure to toxic amounts of chemical and physical agents.
The result of the employee exposure measurements and area noise surveys for 1984.
The control measures available to minimize employee exposures.
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DO 088230 CONFIDENTIAL.
CONSEQUENCES OF EXPOSURE TO TOXIC AMOUNTS
COMPOUND: EYES:
SKIN: inhalation:
SILICA, CRYSTALLINE
CONTACT WITH DUST CAN CAUSE MECHANICAL IRRITATION SIMILAR TO THAT CAUSED BY ANY SOLID PARTICLE.
MECHANICAL INJURY CAN OCCUR.
SHORT TERM: HIGH CONCENTRATIONS (WELL ABOVE ACCEPTABLE LEVELS) MAY CAUSE ONLY MODERATE DISCOMFORT FROM MECHANICAL IRRITATION.
LONG TERM: DUST CAN CAUSE SCARRING OF THE LUNGS (SILICOSIS SYMPTOMS OF OVEREXPOSURE INCLUDE: A REDUCTION IN LUNG FUNCTION, COUGH, DYSPNEA, WHEEZING, A "TIGHTNESS OF CHEST", WEAKNESS, AND REPEATED NONSPECIFIC CHEST ILLNESSES.
COMMENTS *.
THE MARGIN OF SAFETY FOR THE EXPOSURE LIMIT TO CRYSTALLINE SILICA IS UNKNOWN. EVERY EFFORT SHOULD BE MADE TO MINIMIZE EXPOSURE AS LOW AS CURRENT TECHNOLOGY WILL PERMIT.
EXPOSURE LIMIT:
0.1 MG/M^ RESPIRABLE MASS 0.3 MG/M-5 TOTAL MASS
REFERENCE:
CHEMICAL HAZARDS OF THE WORKPLACE, P., 441-442; TOX REPORT K-6645
AUTHOR: CHECKED BY:
J. R. SANDERS
R. L. DANIEL - INDUSTRIAL HYGIENE R. V. JOHNSTON - TOXICOLOGY C. K. BROWDY - MEDICAL
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ISSUE DATE:
RESTRICTED: lor ua* wlllslit Tha Dow Cha.nlcal Company only.
DO 08833i C0NFTD8NTTAI..
PULY A DUST PERSONNEL SAMPLES
S1O2 Tlv = .1 mg/m3 Respiratory; -3 mg/m3 non-Respiratory Nuisance Dust TLV - 10 mg/m5 Total Dust
POTENTIAL
POTENTIAL
SAMPLE
NON-RESP-
RESP. DUST
m.
TIME
DUST EXPOSURE . EXPOSURE. . SILICA,
Laborer Laborer Laborer
137 MIN* 315 min. 205 min.
9-2 mg/m3 9 mg/m3 5 mg/m3
8 mg/m5 9 mg/m3 3 mg/m5
2 mg/m3 05 mg/m3 08 mg/m3
* Because a Dust respirator is worn when mixing additives these are POTENTIAL EXPOSURES.
MDR/ltb
5-23-85
00 OBQP32 OONFTDFNTTAI.
CONSEQUENCES OF EXPOSURE TO TOXIC AMOUNTS
COMPOUND:
ASBESTOS
EYES:
CONTACT WITH THE DUST CAN CAUSE MECHANICAL IRRITATION SIMILAR TO THAT CAUSED BY ANY SOLID PARTICLE.
SKIN:
UNLIKE FIBROUS GLASS, THE FIBERS DO NOT CAUSE DISCOMFORT OR MECHANICAL IRRITATION.
INGESTION:
SOME EVIDENCE SUGGESTS THAT LONG TERM INGE5TI0N OF ASBESTOS MAY INCREASE CHANCES OF STOMACH CANCER.
DUST INHALATION:
SHORT TERM: HIGH CONCENTRATIONS CWELL ABOVE ACCEPTABLE LEVELS) MAY CAUSE ONLY MODERATE DISCOMFORT FROM MECHANICAL IRRITATION.
LONG TERM: THE FIBERS CAN CAUSE SCARRING OF THE LUNGS CASBESTOSIS). A CANCER OF THE CHEST LINING (MESOTHELIOMA) MAY ALSO RESULT FROM ASBESTOS EXPOSURE. MOST IMPORTANT, ASBESTOS EXPOSURE AND CIGARETTE SMOKING GREATLY INCREASE THE RISK OF LUNG CANCER.
IHG:
ACGIH TLV IS 2 FIBERS/CC
AUTHOR:
G. H. FLORES
CHECKED BY:
R. L. DANIEL - INDUSTRIAL HYGIENE G. C. JERSEY - TOXICOLOGY R. E. FLAKE - MEDICAL
ISSUE DATE:
REVISED: 6-6-80
CnOoNFoIsDwE/N-'5TIAL,
RESTRICTED; lor uta within Tho Dow Chomlcal Company only: --
2.2Thermal Sensitivity
From a safety point of view the thermal sensitivity of an organic per* oxide is very important. Most organic peroxides used in the plastics industry are stable at normal ambient temperatures. However, It Is pos sible that at slightly higher temperatures the organic peroxide will start to decompose releasing heat. If the decomposition, which Is an exo* thermic reaction, proceeds so quickly that the heat cannol be dissi pated, the product temperature will increase, finally resulting in a self* accelerating decomposition of the organic peroxide. Depending on the circumstances l.e. the quantity, the degree of confinement, the particu* lar organic peroxide etc., fierce decomposition, self-ignition or even a thermal explosion may occur. In the case of a decomposition without flame the vapors evolved are flammable and if ignited can burn explo sively.
The polymer industry's need for more reactive organic peroxides has led to the development of a number of products requiring refrigerated stor age. These particular organic peroxides can undergo self-accelerating decomposition at normal ambient temperatures or below, so special handling and storage techniques are required. Refer to individual tech nical bulletins for additional information.
Due to the thermal instability of all organic peroxides they must be stored at recommended temperatures and kept away from all sources of heat such as steam pipes, space heaters and hot materials.
2.3 Contamination
t
The stability of organic peroxides can be reduced by a wide variety of chemical compounds and metals. Contamination or contact with heavy metals, copper, iron, brass and their compounds, acids, bases and re ducing agents must be avoided. Contamination of organic peroxides can result in an explosive decomposition or fire. Special care must be taken to avoid direct contact with accelerators, such as cobalt octoate or dimethyl aniline, used in the reinforced plastics industry to acceler ate the cure of unsaturated polyester resins.
2.4 Mechanical Sensitivity
Most commercial organic peroxides have a low degree of mechanical sensitivity to shock, impact or friction which means that they can be handled safely provided that severe friction, rough handling and heavy impact are avoided. Some organic peroxides i.e. dry pure benzoyl per oxide, have a high degree of mechanical sensitivity requiring special handling techniques. Refer to individual product bulletins for additional information.
2.5 Physiological Properties 2.5.1 Ingestion and Inhalation
In general organic peroxides are moderately toxic upon ingestion or inhalation. Owing to their corrosive character some organic peroxides can inflict severe injuries to the digestive organs on ingestion and to the respiratory tract on inhalation of the vapors.
00 088234 C0NFTDFNTX4L
3
FIRST AID
If an organic peroxide is accidently swallowed, large amounts of
water or milk should be drunk, and immediate vomiting induced.
Obtain medical attention at once to give additional stomach wash.
If prompt medical attention is possible ketone peroxides i.e.
Cadox M-105 and hydroperoxides I.e. Trlgonox A-W 70 are better
removed by administering large quantities of milk or water and
obtaining immediate medical supervised lavage (stomach wash)
due to their corrosive nature. If on inhalation a toxic effect like
headache, sleepiness or nausea Is observed, seek fi;esh air Im
mediately. In case of narcosis the person involved should be
moved to fresh air, clothing loosened and given 24 hours rest
under medical supervision.
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FIRST AID
2.5.2 Contact with the Eyes
Most organic peroxides are very corrosive to the eyes. Ketone peroxides i.e. Cadox M-105 and hydroperoxide i.e. Trigonox A-W 70 are particularly aggressive, causing extensive damage which may lead to blindness. On the other hand benzoyl peroxide will normally cause only temporary damage after short contact. Safety glasses must be worn when handling organic peroxides.
If organic peroxide gets into the eye(s) rinse immediately with water for at least 15 minutes. If possible, alternate rinsing with a freshly prepared 5% aqueous sodium ascorbate or 2% aqueous sodium bicarbonate solution. Call a physician immediately.
FIRST AID
2.5.3 Contact with the Skin
Owing to the corrosive character of many peroxides, direct contact with the skin must be avoided. Prolonged contact with even less corrosive organic peroxides such as benzoyl peroxide may lead to an allergic irri tation. Always use protective gloves. Contaminated clothing should be removed immediately and laundered before using again.
If an organic peroxide comes in contact with the skin rinse imme- ' diately with water and wash thoroughly with soap. If irritated ' apply an ointment such as lanolin. If irritation persists contact a < physician.
Refer to individual product bulletins and SPI Toxilogical Data Bulletin for specific toxicity data.
DO 088235 CONFIDFNTTAL
POLY A T-BUTYL PEROXYPIVILATE PERSONNEL SAMPLES
JOB
Catalyst Mixer Catalyst Mixer Catalyst Mixer Catalyst Mixer
SAMPLE TIME
22 MIN. 12 MIN. 23 MIN. 15 MIN.
CONCENTRATION . DETECTED
1.1 PPM 1,6 PPM 1.6 PPM 1.6 PPM
T-BUTYL PERACETATE PERSONNEL SAMPLES
JOB
Catalyst Mixer Catalyst Mixer Catalyst Mixer Catalyst Mixer
SAMPLE TIME
10 MIN. 12 MIN, 7 MIN. 16 MIN,
CONCENTRATION DETECTED
2,9 ppm 1,4 PPM
8.6 ppm
1,4 PPM
MDR/cs 12-28-84
CONSCOUENCES OF OVER-EXPOSUH
COMPOUND: Noise
Prolonged and repeated exposure to levels EXCEEDING 90 dB"A MAY CAUSE SEVERE DAMAGE TO THE NERVES IN THE INNER EAR. The initial effect is to reduce the ability to hear sounds in the high frequency range.
If unchecked, the hearing loss can extend
TO THE FREQUENCIES IN THE NORMAL SPEECH RANGE.
METHODS OF CONTROL DIH6 - 85 dB-A - to prevent hearing loss for exposures
OF MORE THAN 8 HOURS PER DAY.
088^37 conftdENTTAL
12/75
POLO NOISE D0SIJ1ETEK SAMPLES
Job
Number of Samples
Technical Instrument
Day Maintenance
Shift Supervisor
Kelief S*0*T* Train 5 S*0*T* Little Building S*0*T Big Building S*0*T* Transfer Board S*0*T* Extrusion S*0*T*
Catalyst Mixer
3 2 3 3 2 3 3
2 2 4
Potential Avg* Noise
Dose*
202
202 562 2302 1422 6642 1062 1222 322
1002
442
Potential Highest Noise
Dose
382 382
1002
4042 1522 9362
1102
1922 382 1342 602
* Because ear protection was worn in the high noise areas., these
ARE POTENTIAL EXPOSURES*
MDR/ltb
5-23-85
DO 088238 C ONFTDENTTAI.
EXTRUSION AND COMPRESSOR BUILDINGS - 303 NOISE LEVELS db(A)
------------------------------------- 1--i---------
91 0
91
97 Transfer Board
100
n106 u4 U
Transfer Board Readings were taken when transferring pellets from the spec count table.
fro 0B8P39 confidential
D/ / J f Q 3 $ fr'AV S\Vf7
PRIMARY COMPRESSOR BUILDINGS NOISE LEVELS db(A) road
OO 088240
confidfnttai
CLASSIFIER SCREEN AREA
AGE D/TCH
TRAIN 5 COMPRESSOR AREA NOISE LEVELS db(A)
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TRAIN 5 EXTRUSION AREA NOISE LEVELS db(A)
DO 088243 CONFIDENTIAL
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D0 088744 confidential
1984 POLY A INDUSTRIAL HYGIENE QUIZ
WHAT IS TINNITUS?
Tinnitus is head noises that frequently are a symptom of various EAR DISEASES, PERSONS WITH IMPAIRED HEARING OFTEN COMPLAIN OF it, But these head noises can be the result of many things such AS MIDDLE EAR INFECTIONS/ HARD MASSES OF WAX IN THE EARS AND EVEN CERTAIN DRUGS (QUININE/ ASPIRIN AND ALCOHOL),
WHAT IS THE MAJOR PROBLEM EXPERIENCED BY PERSONS WITH A HEARING LOSS FROM NOISE EXPOSURE?
Missing parts of words and sentences so that they often MISUNDERSTAND WHAT IS BEING SAID,
DO HEARING AIDS CORRECT THIS TYPE OF HEARING LOSS?
No! Hearing aids amplify the sound but does not make it
CLEARER, Ear PROTECTION TO PREVENT OVEREXPOSURE IS YOUR BEST bet!
IN ORDER FOR A HARMFUL AGENT TO EXERT ITS TOXIC EFFECT, IT MUST COME INTO CONTACT WITH A BODY CELL. TO MAKE THAT CONTACT, ENTRY INTO THE BODY MUST BE MADE IN ONE OF THREE WAYS. WHAT ARE THEY?
Inhalation
Skin Absorption
Ingestion
CDOONF0ID8E874*TAV
1984 POLY A INDUSTRIAL HYGIENE QUIZ
m
5. HUT IS THE DIFFERENCE BETHEE1 TOXICITY MID HAZARD?
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Toxicity is the capacity of a material to produce injury or harm. Nazars is the uklihood that harm or injury hill occur.
6. NAME THREE SIMPLE ASPHYXIANTS ME USE IN POLY A.
Ethylene ---------------------- Nitrogen ------------------------ Propylene
7. HUT StCSTAJXE DO IE USE IR POLT A THAT CAR CAUSE ACIC?
*
PETROLEUM OILS
.
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8. IN MKAT SECTION OF THE SAFE MOWC MULTI-PERMIT IS REFERENCE MW L1
TO SPECIAL EXPOSURE TO PROTECT AGAINST.
Section I. 6eneral Work Permit
MDR/lti
12-31*84
SAfi WOwX MUiTm^T I ONLY
Eye Wufa LoatloB A Un....................... OTii
Akm Evacuation, Aienbfr PBfat................. .QT Procedure for Safe Job Completion..................................... Oral Him took A equip. at outride contractor* been hnac1rf..JY Have aH contract penonDci received the KaiuL A Blodc
Safety Orientation...................................................-................ JDYaa
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Face Oiield Hood Safely Bait
Stifled Air
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Other*_______
thk
L Equipment
2. Equipment Purted/Omned.
A
4. Lock Rnpdrad (LM cn Rad Ihff
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A
C Rad Thgs Attached (Refer SS403) (Kaatw #.
T. A4krent Ana Safa (IT United
).
A Aim Roped Off..........................
A Btade/Bkxk A Eked to place (Lfct bfiak n Rad Th*
10. Excavation Safe to Perform (Refer SS-301)
1L Blue Flay to uae on RR Tracks (Refer SS-906).......................................
Yea N-A.
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Safety Ohaarver (Name)______________________________
Flrt Erttagubhen: t>p-
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Wstw For (TamMm)
Pint (Gee Ueed)
Beet Exposure to Gasket, Seek. Linen, (Deaorfbe Precautions)...........
Other Work lo Area which should be Stopped (Daecribe Below) . ,
Material Pnat-nt which Enlts Vapor when Heated (Describe Pipe stoppers In Use (Rrfer Safety Ref. # A-6)...
>.
Bjutpenent Operatine or Contains original Coetents............................
(If Yea, writtoroocedures are reqidred A Plant Supt must COSIgn Permit)
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a
Adjacent Areas Safe (If TAnited Deecribe Below)....................................... 0
Bxploahneter. Oxygen Ttaata Acceptablt.................................................... " *1 Q
No
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DO 088747 CONFIDENTIAL
ISOFAR C (KZZOI) STUDY DONE ON XSOPAR 0 BUT APPLICABLE TO OTHER ISOPARS
ACUTE TOXICITT LOW ORAL TOXICITT LOW DERMAL TOXICITY LC50 (RAT) - 2240 PPM, 4 HOUR EXPOSURE, 14 DAYS
DERMAL RABBITS HUMAN
PRIMARY IRRITANT (MILD) PRIMARY IRRITANT PARTICULARLY VKEN OCCLUDED
EYE ONLY SLIGHTLY IRRITATING - CAUSED NO DAMAGE
*J$UBCHRQNTC INHALATION XQoclfpm. - aidnei_iubulaVdamaoi in male'rats 'only HALE RAT MAI_BX MOHE SENSlTIVf
TERATOGEN - NEITHER TERATOGENIC OR PETOTOXIC DOMINANT LETHAL - NEGATIVE
NO E7PECT ON MALE GENITALIA
DO 088?48 CONFIDENTIAL
CHEMICAL AND'PHYSICAL ACLN'i INvLNTunf
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FORM M.4*710 PRINTED RtC.>4
DO 088254 CONFIDENTIAL
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CHEMICAL AND PHYSICAL AGENT INVENTORY
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FORM M.4771C RRINTCC R*I0*7J
* See Induitriol Hygiene Data Sheet. * it To be fitted in by Industrial Hygiene.
CHEMICAL AND PHYSICAL AGENT INVENTORY
C\HEMICAL AND PHYSICAL AGENT INVENTORY
CHEMICAL AND PHYSICAL AGENT INVENTORY
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MATERIALS OR PHYSICAL AGENTS
INDIA NUMBER
INDUSTRIAL HYGIENE GUIDE
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DATA SHEET AVAILABLE
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FORM M-47710 PRINTED R-IO-74
* See Industrial Hygiene Data Sheet* * To be filled in by Industrial Hygiene.
CHEMICAL AND PHYSICAL AGENT INVENTOKY
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CHEMICAL AND PHYSICAL AGENT INVENTORY
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15 FIGURE 8 HOOD SURVEY DATA
RECOMMENDED MEAN FACE VELOCITY FOR THIS MOOD F. P. M,, DOOR OPEN RECOMMENDED exhaust rate for this HOODC. F. M.
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HOOD CONDITIONS DURING THE SURVEY
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DO 088764 CONFIDENTIAL
HOOD CONDITIONS DURING THE SURVEY
ACTUAL FACE VELOCITIES
HOOO FACE AREA DURING SURVEY V
EXHAUST RATE OURINQ SURVEY
MAXIMUM F.FJL sa FT. CJJL
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