Document pmR93mx419070bek27jE8rDra
PLAINTIFF'S EXHIBIT
INDUSTRIAL HYGIENE EVALUATION AND SURVEY - VENTILATION
DATE
10/27/78__________ BUILDING NAME
Main Lab BLDG. NUMBER 422
UNIT IN WHICH BLDG. LOCATED Main Office HOOD TYPE
slot
HOOD LOCATION
Bottle Wash RoomMATERIAL EXHAUSTED Acids, Esters Ketones, etc.
OVERALL HOOD DIMENSIONS (INCHES): LENGTH
HEIGHT -- WIDTH
-- DEPTH
--
FACE VELOCITY WITH DOOR(S) WIDE OPEN AT ABOVE DIMENSIONS
--FT/MIN.
DOOR OPENING IN INCHES AT WHICH FACE VELOCITY IS 100 FT/MIN: HEIGHT
~~ WIDTH
--
FOR SLOT HOODS THIS MEASUREMENT WOULD BE THE DISTANCE FROM THE SLOT IN INCHES WHERE CAPTURE VELOCITY IS 100 FPM 40
AVERAGE SLOT VELOCITY AT THE SLOT OPENING IN FPM 2000___________
^
FACE VELOCITY AT NORMAL WORKING POSITION IN FPM
HEIGHT
~~ WIDTH
~~
PROBE HEIGHT FROM HOOD BASE FOR NORMAL WORKING POSITION
~~________________________________________
FOR SLOT HOODS THIS IS THE DISTANCE IN INCHES FROM THE SLOT TO EDGE OF THE SOURCE FOR NORMAL
WORKING POSITION
26
AREA
1.25
SQUARE FEET VELOCITY 2000
FPM VOLUME 2500
CUBIC FEET PER MIN (Q VA)
Q VOLUME
V VELOCITY
A AREA
FAN TYPE Centrifugal____________ FAN SIZE
BVF-150
CFM
MOTOR HORSEPOWER 1.5____________ RPM ____
REMARKS:
Excellent capture velocity, solved the problems in the bottle wash room.
es
BRE 0119
INDUSTRIAL HYGIENE EVALUATION AND SURVEY - VENTILATION
DATE 10/30/78 BUILDING NAME Main Lab BLDG. NUMBER 422
UNIT IN WHICH BLDG. LOCATED
. Main Office HOOD TYPE Vent ___________________________________________
to
HOOD LOCATION Solutions RoomMATERIAL EXHAUSTED SOg, Pyriden, Acids, etc.
OVERALL HOOD DIMENSIONS (INCHES): LENGTH
HEIGHT 59 WIDTH 39 DEPTH
28
FACE VELOCITY WITH DOOR(S) WIDE OPEN AT ABOVE DIMENSIONS
25FT/MIN.
DOOR OPENING IN INCHES AT WHICH FACE VELOCITY IS 100 FT /MIN: HEIGHT 24"
WIDTH - 39
FOR SLOT HOODS THIS MEASUREMENT WOULD BE THE DISTANCE FROM THE SLOT IN INCHES WHERE CAPTURE
VELOCITY IS 100 FPM
~~
AVERAGE SLOT VELOCITY AT THE SLOT OPENING IN FPM
"_________ _
FACE VELOCITY AT NORMAL WORKING POSITION IN FPM 100
HEIGHT
24
^ WIDTH
39
PROBE HEIGHT FROM HOOD BASE FOR NORMAL WORKING POSITION Average Reading___________________________
FOR SLOT HOODS THIS IS THE DISTANCE IN INCHES FROM THE SLOT TO EDGE OF THE SOURCE FOR NORMAL
WORKING POSITION
--
AREA 6,.5 .
SQUARE FEET VELOCITY
CUBIC FEET PER MIN (Q VA)
Q VOLUME
100 FPM VOLUME
650
V VELOCITY
A AREA
CFM
* FAN TYPE Squirrel Cage
FAN SIZE
MOTOR HORSEPOWER _________
RPM
BRE 0120
INDUSTRIAL HYGIENE EVALUATION AND SURVEY - VENTILATION
BATE 10/30/78
BUILDING NAME Main Lab BLDG. NUMBER
422
UNIT IN WHICH BLDG. LOCATED Main Office-
HOOD TYPE Vent
HOOD LOCATION VFA Room MATERIAL EXHAUSTED Acids. Esters-. Ketones, etc.
OVERALL HOOD DIMENSIONS (INCHES): LENGTH --
HEIGHT 29
WIDTH 23 DEPTH 21
FACE VELOCITY WITH DOOR(S) WIDE OPEN AT ABOVE DIMENSIONS 25FT/MIN.
DOOR OPENING IN INCHES AT WHICH FACE VELOCITY IS 100 FT/MIN: HEIGHT
9" WIDTH
23
FOR SLOT HOODS THIS MEASUREMENT WOULD BE THE DISTANCE FROM THE SLOT IN INCHES WHERE CAPTURE VELOCITY IS 100 FPM _________ "
AVERAGE SLOT VELOCITY AT THE SLOT OPENING IN FPM
"
FACE VELOCITY AT NORMAL WORKING POSITION IN FPM
25
HEIGHT
29
WIDTH
23
PROBE HEIGHT FROM HOOD BASE FOR NORMAL WORKING POSITION Average Reading_____________________________
FOR SLOT HOODS THIS IS THE DISTANCE IN INCHES FROM THE SLOT TO EDGE OF THE SOURCE FOR NORMAL WORKING POSITION ~
AREA 4-632
SQUARE FEET VELOCITY
CUBIC FEET PER MIN (Q VA)
Q VOLUME
25 FPM VOLUME
U6 CFM
V VELOCITY
A AREA
FAN TYPE
Squirrel Cage
FAN SIZE _
MOTOR HORSEPOWER __________________ RPM___ ___________________________________
REMARKS: This hood normally handles only small amounts of contaminants
BRE 0121
INDUSTRIAL HYGIENE EVALUATION AND SURVEY - VENTILATION
L, DATE 0/27/78
BUILDING NAME
Main Lab BLDG. NUMBER 422
UNIT IN WHICH BLDG. LOCATED
Main Office______________________ HOOD TYPE
Canppy
HOOD LOCATION AA Mini-labMATERIAL EXHAUSTED
Combustion Products
OVERALL HOOD DIMENSIONS (INCHES): LENGTH 12
HEIGHT
-- WIDTH 12
DEPTH
--
FACE VELOCITY WITH DOOR(S) WIDE OPEN AT ABOVE DIMENSIONS 350FT/MIN.
DOOR OPENING IN INCHES AT WHICH FACE VELOCITY IS 100 FT/MIN: HEIGHT
-- WIDTH
--
FOR SLOT HOODS THIS MEASUREMENT WOULD BE THE DISTANCE FROM THE SLOT IN INCHES WHERE CAPTURE VELOCITY IS 100 FPM ~__________________________
AVERAGE SLOT VELOCITY AT THE SLOT OPENING IN FPM
--
FACE VELOCITY AT NORMAL WORKING POSITION IN FPM
30
HEIGHT 11" WIDTH
--
PROBE HEIGHT FROM HOOD BASE FOR NORMAL WORKING POSITION _________________ Avg. Reading________________
FOR SLOT HOODS THIS IS THE DISTANCE IN INCHES FROM THE SLOT TO EDGE OF THE SOURCE FOR NORMAL
WORKING POSITION
1
-- i
t
AREA 1.0
SQUARE FEET VELOCITY
CUBIC FEET PER MIN (Q VA)
Q VOLUME
350 . FPM VOLUME
350 CFM
V VELOCITY
A AREA
FAN TYPE Centrifugal____________ FAN SIZE
MOTOR HORSEPOWER ___________
RPM
BRE 0122
INDUSTRIAL HYGIENE EVALUATION AND SURVEY - VENTILATION
DATE
10/27/78___________ BUILDING NAME
Main Lab BLDG. NUMBER
422
UNIT IN WHICH BLDG. LOCATED Main Office HOOD TYPE Vent, Compensating
HOOD LOCATION _______A .A. Mini Lab MATERIAL EXHAUSTED Acids, Esters, Ketones, etc.
OVERALL HOOD DIMENSIONS (INCHES): LENGTH
-- HEIGHT 26
WIDTH
40 DEPTH
28
FACE VELOCITY WITH DOOR(S) WIDE OPEN AT ABOVE DIMENSIONS 300FT /MIN.
DOOR OPENING IN INCHES AT WHICH FACE VELOCITY IS 100 FT/MIN: HEIGHT
26 WIDTH
40
FOR SLOT HOODS THIS MEASUREMENT WOULD BE THE DISTANCE FROM THE SLOT IN INCHES WHERE CAPTURE VELOCITY IS 100 FPM "
AVERAGE SLOT VELOCITY AT THE SLOT OPENING IN FPM
~~
FACE VELOCITY AT NORMAL WORKING POSITION IN FPM
300
PROBE HEIGHT FROM HOOD BASE FOR NORMAL WORKING POSITION
HEIGHT
2(>
WIDTH
4
Average Reading______________________
FOR SLOT HOODS THIS IS THE DISTANCE IN INCHES FROM THE SLOT TO EDGE OF THE SOURCE FOR NORMAL
WORKING POSITION ___________ "
area
7,22 SQUARE FEET VELOCITY
300
FPM
l
VOLUME
2166
CFM
CUBIC FEET PER MIN (Q VA)
Q VOLUME
V VELOCITY
A AREA
FAN TYPE
Centrifugal_________ FAN SIZE
MOTOR HORSEPOWER
RPM
REMARKS:
Inner door must be in top position for good flows, or air will bypass directly to fan and fumes will back up into worker's breathing zone.
BRE 0123
INDUSTRIAL HYGIENE EVALUATION AND SURVEY - VENTILATION
DATE
10/27/78
BUILDING NAME
Main Lab
UNIT IN WHICH BLDG. LOCATED _______ Main Office
BLDG. NUMBER
422
HOOD TYPE Vent Compensating
HOOD LOCATION
E.P. Mini-lab
MATERIAL EXHAUSTED Misc. Reagents
OVERALL HOOD DIMENSIONS (INCHES): LENGTH
-- HEIGHT 26
WIDTH 40____ DEPTH
FACE VELOCITY WITH DOOR(S) WIDE OPEN AT ABOVE DIMENSIONS
300 ______FT/MIN.
DOOR OPENING IN INCHES AT WHICH FACE VELOCITY IS 100 FT/MIN: HEIGHT 26
WIDTH
40
FOR SLOT HOODS THIS MEASUREMENT WOULD BE THE DISTANCE FROM THE SLOT IN INCHES WHERE CAPTURE VELOCITY IS 100 FPM
AVERAGE SLOT VELOCITY AT THE SLOT OPENING IN FPM ____ ] FACE VELOCITY AT NORMAL WORKING POSITION IN FPM 300
HEIGHT
26
WIDTH
40
PROBE HEIGHT FROM HOOD BASE FOR NORMAL WORKING POSITION Average Reading
FOR SLOT HOODS THIS IS THE DISTANCE IN INCHES FROM THE SLOT TO EDGE OF THE SOURCE FOR NORMAL WORKING POSITION
AREA
7.22
SQUARE FEET VELOCITY
CUBIC FEET PER MIN (Q VA)
Q VOLUME
300 FPM VOLUME 2166
V VELOCITY
A AREA
CFM
FAN TYPE
Centrifugal
FAN SIZE
MOTOR HORSEPOWER
RPM
REMARKS: Inner door must be in top position for good flows, or air will bypass directly to exhaust fan and fumes will back up into worker's breathing zone.
BRE 0124
i)
INDUSTRIAL HYGIENE EVALUATION AND SURVEY - VENTILATION
DATE
LQ/30/78
BUILDING NAME
Main Lab BLDG. NUMBER
422
UNIT IN WHICH BLDG. LOCATED Main Office HOOD TYPE
Vent
HOOD LOCATION Chemicals Bench, West Side
MATERIAL EXHAUSTED Acids, Esters, Ketones, etc.
OVERALL HOOD DIMENSIONS (INCHES): LENGTH "
HEIGHT 28
WIDTH 42
DEPTH 27
FACE VELOCITY WITH DOOR(S) WIDE OPEN AT ABOVE DIMENSIONS
200FT/MIN.
DOOR OPENING IN INCHES AT WHICH FACE VELOCITY IS 100 FT/MIN: HEIGHT
28 WIDTH
42
FOR SLOT HOODS THIS MEASUREMENT WOULD BE THE DISTANCE FROM THE SLOT IN INCHES WHERE CAPTURE VELOCITY IS 100 FPM _____________ _______________
AVERAGE SLOT VELOCITY AT THE SLOT OPENING IN FPM
"
FACE VELOCITY AT NORMAL WORKING POSITION IN FPM * 200
HEIGHT 2? WIDTH 42
PROBE HEIGHT FROM HOOD BASE FOR NORMAL WORKING POSITION Average Reading
FOR SLOT HOODS THIS IS THE DISTANCE IN INCHES FROM THE SLOT TO EDGE OF THE SOURCE FOR NORMAL WORKING POSITION 21
AREA
8.167 SQUARE FEET VELOCITY
CUBIC FEET PER MIN (Q VA)
Q VOLUME
200 FPM VOLUME 1633
V VELOCITY
A AREA
CFM
FAN TYPE
Disc_______________ FAN SIZE
MOTOR HORSEPOWER
RPM
~1 i ; 1
REMARKS:
* Flow is aided by draft from air conditioner vent.
5
BRE 0125
INDUSTRIAL HYGIENE EVALUATION AND SURVEY - VENTILATION
DATE
10/30/78
BUILDING NAME
UNIT IN WHICH BLDG. LOCATED Main Office
HOOD LOCATION Chemicals Bench, East Side
Main Lab
BLDG. NUMBER
HOOD TYPE
Vent
MATERIAL EXHAUSTED Acids, Esters, Ketones, etc.
OVERALL HOOD DIMENSIONS (INCHES): LENGTH -- HEIGHT 28 WIDTH 42 DEPTH 27
FACE VELOCITY WITH DOOR(S) WIDE OPEN AT ABOVE DIMENSIONS
125"FT/MIN.
DOOR OPENING IN INCHES AT WHICH FACE VELOCITY IS 100 FT/MIN: HEIGHT 28
WIDTH
42
FOR SLOT HOODS THIS MEASUREMENT WOULD BE THE DISTANCE FROM THE SLOT IN INCHES WHERE CAPTURE VELOCITY IS 100 FPM _________ --
AVERAGE SLOT VELOCITY AT THE SLOT OPENING IN FPM
--
FACE VELOCITY AT NORMAL WORKING POSITION IN FPM * 225
HEIGHT 2gWIDTH
42
PROBE HEIGHT FROM HOOD BASE FOR NORMAL WORKING POSITION Average Reading_____________________________
FOR SLOT HOODS THIS IS THE DISTANCE IN INCHES FROM THE SLOT TO EDGE OF THE SOURCE FOR NORMAL
WORKING POSITION --
%
AREA 8.167
SQUARE FEET VELOCITY
125 FPM VOLUME 1021 CFM
CUBIC FEET PER MIN (Q VA)
Q VOLUME
V VELOCITY
A AREA
FAN TYPE
Centrifugal_________ FAN SIZE
MOTOR HORSEPOWER
RPM
REMARKS:
* Flow is aided by draft from air conditioner vent.
BRE 0126
INDUSTRIAL HYGIENE EVALUATION AND SURVEY - VENTILATION
DATE
10/30/78
BUILDING NAME
Main Lab
UNIT IN WHICH BLDG. LOCATED
Main Office
HOOD TYPE
BLDG. NUMBER Vent
422
HOOD LOCATION Southwest Side of Lab
MATERIAL EXHAUSTED Acids. Ketones , Steam, etc.
OVERALL HOOD DIMENSIONS (INCHES): LENGTH
-- HEIGHT ' 28.5 WIDTH 41.5 DEPTH
26.5
FACE VELOCITY WITH DOOR(S) WIDE OPEN AT ABOVE DIMENSIONS 50"
FT/MIN.
DOOR OPENING IN INCHES AT WHICH FACE VELOCITY IS 100 FT/MIN: HEIGHT 17"
WIDTH 41.5
FOR SLOT HOODS THIS MEASUREMENT WOULD BE THE DISTANCE FROM THE SLOT IN INCHES WHERE CAPTURE
VELOCITY IS 100 FPM --
_________
AVERAGE SLOT VELOCITY AT THE SLOT OPENING IN FPM
--
FACE VELOCITY AT NORMAL WORKING POSITION IN FPM * 100
I[EIGHT 17. WIDTH 41.5
PROBE HEIGHT FROM HOOD BASE FOR NORMAL WORKING POSITION _________ Lrpraop. Rp.atHnff____________________
FOR SLOT HOODS THIS IS THE DISTANCE IN INCHES FROM.THE SLOT TO EDGE OF THE SOURCE FOR NORMAL WORKING POSITION "
AREA 4.9
SQUARE FEET
CUBIC FEET PER MIN (Q VA)
VELOCITY Q VOLUME
100 V
FPM VOLUME
VELOCITY
'A
I 490
AREA
CFM
FAN TYPEFAN SIZE _____
MOTOR HORSEPOWER
RPM
BRE 0127
INDUSTRIAL HYGIENE EVALUATION AND SURVEY - VENTILATION
DATE
10/30/78__________ BUILDING NAME Main Lab BLDG. NUMBER
422
, UNIT IN WHICH BLDG. LOCATED
Main Office H00D TYPE Vent_________________________________________________
HOOD LOCATION
Southeast Side of LabMATERIAL EXHAUSTED Acids, Esters, Ketones, etc.
OVERALL HOOD DIMENSIONS (INCHES): LENGTH ' " HEIGHT 59
WIDTH 40 DEPTH 28
FACE VELOCITY WITH DOOR(S) WIDE OPEN AT ABOVE DIMENSIONS * 60FT/MIN.
DOOR OPENING IN INCHES AT WHICH FACE VELOCITY IS 100 FT/MIN: HEIGHT
24" WIDTH
40
(,
FOR SLOT HOODS THIS MEASUREMENT WOULD BE THE DISTANCE FROM THE SLOT IN INCHES WHERE CAPTURE
VELOCITY IS 100 FPM ~
AVERAGE SLOT VELOCITY AT THE SLOT OPENING IN FPM________ "__________
FACE VELOCITY AT NORMAL WORKING POSITION IN FPM * 100
HEIGHT
24
WIDTH 40
PROBE HEIGHT FROM HOOD BASE FOR NORMAL WORKING POSITION Average Reading_____________________________
FOR SLOT HOODS THIS IS THE DISTANCE IN INCHES FROM THE SLOT TO EDGE OF THE SOURCE FOR NORMAL WORKING POSITION --
AREA
6.67
SQUARE FEET VELOCITY
CUBIC FEET PER MIN (Q VA)
Q VOLUME
100
FPM VOLUME
667
V VELOCITY
A AREA
CFM
FAN TYPE :_____________________________ FAN SIZE
MOTOR HORSEPOWER . RPM_______________________________________________ _________
2 doors + OH venjt open =25 ft/min;
2 doors open, OH vent closed = 50 ft/min
* 1 door open = 60 ft/min
I
i
!
i
REMARKS: * There are 3 hoods in this system. These measurements were made with the other 2 hoods closed.
BRE 0128
INDUSTRIAL HYGIENE EVALUATION AND SURVEY - VENTILATION
DATE 10/30/78 BUILDING NAME
Main Lab_______________________________________
BLDG. NUMBER 422
UNIT IN WHICH BLDG. LOCATED
Main Office HOOD TYPE
Vent
HOOD LOCATION Distillation BenchMATERIAL EXHAUSTED Acids. Ketones, Esters, etc.
OVERALL HOOD DIMENSIONS (INCHES): LENGTH --
HEIGHT 90
WIDTH 47.5 DEPTH
24
FACE VELOCITY WITH DOOR(S) WIDE OPEN AT ABOVE DIMENSIONS ________ "___________ FT/MIN.
DOOR OPENING IN INCHES AT WHICH FACE VELOCITY IS 100 FT/MIN: HEIGHT
--
WIDTH
--
FOR SLOT HOODS THIS MEASUREMENT WOULD BE THE DISTANCE FROM THE SLOT IN INCHES WHERE CAPTURE
VELOCITY IS 100 FPM
--
AVERAGE SLOT VELOCITY AT THE SLOT OPENING IN FPM
"___________ DEPTH
FACE VELOCITY AT NORMAL WORKING POSITION IN FPM * 100
fBSg
24
WIDTH
47,5
PROBE HEIGHT FROM HOOD BASE FOR NORMAL WORKING POSITION
Average Reading
FOR SLOT HOODS THIS IS THE DISTANCE IN INCHES FROM THE SLOT TO EDGE OF THE SOURCE FOR NORMAL
WORKING POSITION
"
AREA 7.917
SQUARE FEET VELOCITY
CUBIC FEET PER MIN (Q VA)
Q VOLUME
FAN TYPE
FAN SIZE
100 FPM VOLUME
792
V VELOCITY
A AREA
CFM
MOTOR HORSEPOWER _____
RPM
_____
REMARKS:
* Doors are all closed in normal operating condition. Flow measurement was made in a horizontal plane inside the enclosure at about raid height. Doors were closed on the other 2 hoods in this 3-hood system.
BRE 0129
INDUSTRIAL HYGIENE EVALUATION AND SURVEY - VENTILATION
DATE
10/30/78
BUILDING NAME
UNIT IN WHICH BLDG. LOCATED . Main Office
HOOD LOCATION
E.P. Bench Southwest
OVERALL HOOD DIMENSIONS (INCHES): LENGTH
Main Lab
BLDG. NUMBER
422
HOOD TYPE
Vent
MATERIAL EXHAUSTED
Acids
HEIGHT 29
WIDTH 41.5 DEPTH
2.7
FACE VELOCITY WITH DOOR(S) WIDE OPEN AT ABOVE DIMENSIONS
50 ________ FT/MIN.
DOOR OPENING IN INCHES AT WHICH FACE VELOCITY IS 100 FT/MIN: HEIGHT
15" WIDTH
41.5
FOR SLOT HOODS THIS MEASUREMENT WOULD BE THE DISTANCE FROM THE SLOT IN INCHES WHERE CAPTURE
VELOCITY IS 100 FPM
--____
AVERAGE SLOT VELOCITY AT THE SLOT OPENING IN FPM
FACE VELOCITY AT NORMAL WORKING POSITION IN FPM 100 PROBE HEIGHT FROM HOOD BASE FOR NORMAL WORKING POSITION
HEIGHT 15"
WIDTH 41 *5
Average Reading
FOR SLOT HOODS THIS IS THE DISTANCE IN INCHES FROM THE SLOT TO EDGE OF THE SOURCE FOR NORMAL WORKING POSITION ____________ ____________
AREA 8.358
SQUARE FEET VELOCITY
CUBIC FEET PER MIN (Q VA)
Q VOLUME
50 FPM VOLUME
418
V VELOCITY
A AREA
CFM
FAN TYPE Squirrel Cage
FAN SIZE
MOTOR HORSEPOWER
RPM ______
REMARKS:
BRE 0130
G
INDUSTRIAL HYGIENE EVALUATION AND SURVEY - VENTILATION
DATE 10/30/78
BUILDING NAME
Main Lab BLDG. NUMBER
422
UNIT IN WHICH BLDG. LOCATED
Main Office HOOD TYPE Slot/Booth
HOOD LOCATION E.P. Bench Steam Bath MATERIAL EXHAUSTED Steam, Solvents, AcgQ
OVERALL HOOD DIMENSIONS (INCHES) : LENGTH
22 HEIGHT
" WIDTH 15 DEPTH
"
FACE VELOCITY WITH DOOR(S) WIDE OPEN AT ABOVE DIMENSIONS 150FT/MIN.
DOOR OPENING IN INCHES AT WHICH FACE VELOCITY IS 100 FT/MIN: HEIGHT --
WIDTH ~~
FOR SLOT HOODS THIS MEASUREMENT WOULD BE THE DISTANCE FROM THE SLOT IN INCHES WHERE CAPTURE VELOCITY IS 100 FPM6^
AVERAGE SLOT VELOCITY AT THE SLOT OPENING IN FPM 1000 with doors closed
FACE VELOCITY AT NORMAL WORKING POSITION IN FPM --
HEIGHT
WIDTH ________ "
PROBE HEIGHT FROM HOOD BASE FOR NORMAL WORKING POSITION
Average Reading__________________________
FOR SLOT HOODS THIS IS THE DISTANCE IN INCHES FROM THE SLOT TO EDGE OF THE SOURCE FOR NORMAL WORKING POSITION Inside Slot
AREA 0.229
SQUARE FEET VELOCITY 1000
FPM VOLUME ' 229
CUBIC FEET PER MIN (Q VA)
Q VOLUME
V VELOCITY
A AREA
CFM
FAN TYPE Squirrel Cage_________ FAN SIZE
MOTOR HORSEPOWER ________________
RPM
REMARKS:
&
BRE 0131
INDUSTRIAL HYGIENE EVALUATION AND SURVEY - VENTILATION
DATE
10/30/78________ BUILDING NAME Control Room BLDG. NUMBER 522
UNIT IN WHICH BLDG. LOCATED
Recovery HOOD TYPE Vent, Compensating
HOOD LOCATION Recovery Lab MATERIAL EXHAUSTED Acids^ Esters. Ketones, etc.
OVERALL HOOD DIMENSIONS (INCHES): LENGTH
-- HEIGHT 26
WIDTH
38.5 DEPTH
23
FACE VELOCITY WITH DOOR(S) WIDE OPEN AT ABOVE DIMENSIONS
150FT/MIN.
DOOR OPENING IN INCHES AT WHICH FACE VELOCITY IS 100 FT/MIN: HEIGHT f
26
WIDTH 38.5
FOR SLOT HOODS THIS MEASUREMENT WOULD BE THE DISTANCE FROM THE SLOT IN INCHES WHERE CAPTURE VELOCITY IS 100 FPM ___________--
AVERAGE SLOT VELOCITY AT THE SLOT OPENING IN FPM
--
FACE VELOCITY AT NORMAL WORKING POSITION IN FPM
150 HEIGHT
26
WIDTH
38.5
PROBE HEIGHT FROM HOOD BASE FOR NORMAL WORKING POSITION
Average Reading
FOR SLOT HOODS THIS IS THE DISTANCE IN INCHES FROM THE SLOT TO EDGE OF THE SOURCE FOR NORMAL WORKING POSITION "
AREA 6.951
SQUARE FEET VELOCITY
CUBIC FEET PER MIN (Q VA)
Q VOLUME
^ FAN TYPE Centrifugal___________ FAN SIZE
150 FPM VOLUME
1043
V VELOCITY
A AREA
CFM
MOTOR HORSEPOWER _________________ RPM ______ ___________________
REMARKS: This hood has two blowers, but it seems that only one is working; it should be, inspected by electricians.
BRE 0132
INDUSTRIAL HYGIENE EVALUATION AND SURVEY - VENTILATION
DATE
10/30/78_________ BUILDING NAME
Control Room _______________ BLDG. NUMBER 731
UNIT IN WHICH BLDG. LOCATED
Reaction #1 HOOD TYPE Slot/Booth
HOOD LOCATION _______ Reaction #1 LabMATERIAL EXHAUSTED Acids, Butane, etc.
OVERALL HOOD DIMENSIONS (INCHES): LENGTH
29 HEIGHT 18 WIDTH
-- DEPTH 11.5
FACE VELOCITY WITH DOOR(S) WIDE OPEN AT ABOVE DIMENSIONS ________ ~__________ FT/MIN.
DOOR OPENING IN INCHES AT WHICH FACE VELOCITY IS 100 FT/MIN: HEIGHT
-- WIDTH
--
FOR SLOT HOODS THIS MEASUREMENT WOULD BE THE DISTANCE FROM THE SLOT IN INCHES WHERE CAPTURE VELOCITY IS 100 FPM Edge of Sink
AVERAGE SLOT VELOCITY AT THE SLOT OPENING IN FPM
900
FACE VELOCITY AT NORMAL WORKING POSITION IN FPM 170
HEIGHT
WIDTH
--
PROBE HEIGHT FROM HOOD BASE FOR NORMAL WORKING POSITION ________ Avg. Reading________________________
FOR SLOT HOODS THIS IS THE DISTANCE IN INCHES FROM THE SLOT TO EDGE OF THE SOURCE FOR NORMAL
WORKING POSITION 18
AREA 2.417
SQUARE FEET VELOCITY
CUBIC FEET PER MIN (Q VA)
Q VOLUME
170 FPM VOLUME 411 CFM
V VELOCITY
A AREA
FAN TYPE Squirrel Cage
FAN SIZE
MOTOR HORSEPOWER
RPM
REMARKS:
BRE 0133
INDUSTRIAL HYGIENE EVALUATION AND SURVEY - VENTILATION
DATE
10/30/78
BUILDING NAME
Control Room BLDG. NUMBER 821
UNIT IN WHICH BLDG. LOCATED Reaction #2 HOOD TYPE Slot/Booth _____________________________________ _
HOOD LOCATION Reaction #2 Lab MATERIAL EXHAUSTED
AcOH, Butane, etc.
OVERALL HOOD DIMENSIONS (INCHES): LENGTH
33 HEIGHT
18 WIDTH
-- DEPTH
10
FACE VELOCITY WITH DOOR(S) WIDE OPEN AT ABOVE DIMENSIONS
60FT/MIN.
DOOR OPENING IN INCHES AT WHICH FACE VELOCITY IS 100 FT/MIN: HEIGHT
-- WIDTH
--________
( FOR SLOT HOODS THIS MEASUREMENT WOULD BE THE DISTANCE FROM THE SLOT IN INCHES WHERE CAPTURE
VELOCITY IS 100 FPM __________________ --
AVERAGE SLOT VELOCITY AT THE SLOT OPENING IN FPM
250
FACE VELOCITY AT NORMAL WORKING POSITION IN FPM
60* HEIGHT
PROBE HEIGHT FROM HOOD BASE FOR NORMAL WORKING POSITION Avg. Reading
WIDTH
--
FOR SLOT HOODS THIS IS THE DISTANCE IN INCHES FROM THE SLOT TO EDGE OF THE SOURCE FOR NORMAL WORKING POSITION 14
AREA 3.438
SQUARE FEET VELOCITY
CUBIC FEET PER MIN (Q VA)
Q VOLUME
| FAN TYPE Squirrel Cage
FAN SIZE
250 FPM VOLUME
860 CFM
V VELOCITY
A AREA
MOTOR HORSEPOWER _________________ RPM _____ ________
REMARKS:
* Low flow
BRE 0134
INDUSTRIAL HYGIENE EVALUATION AND SURVEY - VENTILATION
DATE
10/30/78________ BUILDING NAME Carpenter Shop BLDG. NUMBER
16^
UNIT IN WHICH BLDG. LOCATED
Maintenance HOOD TYPE Vacuum Canister
HOOD LOCATION Radial Arm SawMATERIAL EXHAUSTED
Dust Collection
OVERALL HOOD DIMENSIONS (INCHES): LENGTH HEIGHT WIDTH DEPTH
FACE VELOCITY WITH DOOR(S) WIDE OPEN AT ABOVE DIMENSIONS FT/MIN.
DOOR OPENING IN INCHES AT WHICH FACE VELOCITY IS 100 FT /MIN: HEIGHT WIDTH
FOR SLOT HOODS THIS MEASUREMENT WOULD BE THE DISTANCE FROM THE SLOT IN INCHES WHERE CAPTURE VELOCITY IS 100 FPM
AVERAGE SLOT VELOCITY AT THE SLOT OPENING IN FPM
FACE VELOCITY AT NORMAL WORKING POSITION IN FPM HEIGHT
`WIDTH
PROBE HEIGHT FROM HOOD BASE FOR NORMAL WORKING POSITION _________________________________________________
FOR SLOT HOODS THIS IS THE DISTANCE IN INCHES FROM THE SLOT TO EDGE OF THE SOURCE FOR NORMAL WORKING POSITION
AREA SQUARE FEET VELOCITY FPM VOLUME CFM
CUBIC FEET PER MIN (Q VA)
Q VOLUME
V VELOCITY
FAN TYPE
FAN SIZE
MOTOR HORSEPOWER_________________ RPM
A AREA
REMARKS: Keeps the fine dust particles away from the workers
BRE 0135
INDUSTRIAL HYGIENE EVALUATION AND SURVEY - VENTILATION
DATE 10/30/78________________ BUILDING NAME
Machine Shop BLDG. NUMBER
424
UNIT IN WHICH BLDG. LOCATED
Maintenance HOOD TYPE Vent
HOOD LOCATION
DeZurik Valve Room MATERIAL EXHAUSTED Chlorothane
OVERALL HOOD DIMENSIONS (INCHES): LENGTH
~~ HEIGHT 185
WIDTH 44
DEPTH 24.5
DOOR OPENING IN INCHES AT WHICH FACE VELOCITY IS 100 FT/MIN: HEIGHT 18 5
WIDTH
44
FOR SLOT HOODS THIS MEASUREMENT WOULD BE THE DISTANCE FROM THE SLOT IN INCHES WHERE CAPTURE VELOCITY IS 100 FPM --_____________________
f.
AVERAGE SLOT VELOCITY AT THE SLOT OPENING IN FPM
--
FACE VELOCITY AT NORMAL WORKING POSITION IN FPM 150
HEIGHT
18.5 WIDTH
44
PROBE HEIGHT FROM HOOD BASE FOR NORMAL WORKING POSITION
Avg. liendiru.
>
FOR SLOT HOODS THIS IS THE DISTANCE IN INCHES FROM THE SLOT TO EDGE OF THE SOURCE FOR NORMAL
WORKING POSITION '
_______________
AREA 5.653
SQUARE FEET VELOCITY
CUBIC FEET PER MIN (Q VA)
Q VOLUME
150 FPM VOLUME
850
V VELOCITY
A AREA
FAN TYPEDisc___________________________
FAN SIZE
GFM
MOTOR HORSEPOWERRPM
REMARKS:
BRE 0136
INDUSTRIAL HYGIENE EVALUATION AND SURVEY - VENTILATION
DATE
10/30/78___________ BUILDING NAME PRV Room BLDG. NUMBER 424
UNIT IN WHICH BLDG. LOCATED Maintenance HOOD TYPE Vent/Booth
HOOD LOCATION PRV RoomMATERIAL EXHAUSTED Paint Fumes
OVERALL HOOD DIMENSIONS (INCHES): LENGTH
" HEIGHT 29.5 WIDTH 30 DEPTH
30
FACE VELOCITY WITH DOOR(S) WIDE OPEN AT ABOVE DIMENSIONS
180FT/MIN.
DOOR OPENING IN INCHES AT WHICH FACE VELOCITY IS 100 FT/MIN: HEIGHT
--
WIDTH * ~
FOR SLOT HOODS THIS MEASUREMENT WOULD BE THE DISTANCE FROM THE SLOT IN INCHES WHERE CAPTURE VELOCITY IS 100 FPM 21
AVERAGE SLOT VELOCITY AT THE SLOT OPENING IN FPM
~~
FACE VELOCITY AT NORMAL WORKING POSITION IN FPM * 180
HEIGHT
29.5 WIDTH
30
PROBE HEIGHT FROM HOOD BASE FOR NORMAL WORKING POSITION _________ Avg. Reading_______________________
FOR SLOT HOODS THIS IS THE DISTANCE IN INCHES FROM THE SLOT TO EDGE OF THE SOURCE FOR NORMAL WORKING POSITION ___________^
AREA 5.15.
SQUARE FEET VELOCITY
CUBIC FEET PER MIN (Q VA)
Q VOLUME
180 FPM VOLUME
1107 CFM
V VELOCITY
A AREA
FAN TYPE
Squirrel Cage
FAN SIZE
MOTOR HORSEPOWER ._________________ RPM
REMARKS: * Very Good Flow
BRE 0137
INDUSTRIAL HYGIENE EVALUATION AND SURVEY - VENTILATION
DATE
10/30/78__________ BUILDING NAME
Welding Shop BLDG. NUMBER
42^
UNIT IN WHICH BLDG. LOCATED Maintenance HOOD TYPE Cone
_____________________________________________
HOOD LOCATION
Southeast of ShopMATERIAL EXHAUSTED Welding Fumes
OVERALL HOOD DIMENSIONS (INCHES): LENGTH 8.5 HEIGHT 85 WIDTH 8-5 DEPTH
~~
FACE VELOCITY WITH DOOR(S) WIDE OPEN AT ABOVE DIMENSIONS ________ "__________ FT/MIN.
DOOR OPENING IN INCHES AT WHICH FACE VELOCITY IS 100 FT/MIN: HEIGHT
~~ WIDTH ________ "
FOR SLOT HOODS THIS MEASUREMENT WOULD BE THE DISTANCE FROM THE SLOT IN INCHES WHERE CAPTURE
VELOCITY IS 100 FPM
--
AVERAGE SLOT VELOCITY AT THE SLOT OPENING IN FPM
1000
; FACE VELOCITY AT NORMAL WORKING POSITION IN FPM HEIGHT
'WIDTH
PROBE HEIGHT FROM HOOD BASE FOR NORMAL WORKING POSITION Avg. Reading at Opening________________
FOR SLOT HOODS THIS IS THE DISTANCE IN INCHES FROM THE SLOT TO EDGE OF THE SOURCE FOR NORMAL WORKING POSITION 6-9
AREA
0.394 SQUARE FEET VELOCITY
CUBIC FEET PER MIN (Q VA)
Q VOLUME
1000 FPM VOLUME 394CFM
V VELOCITY
A AREA
g FAN TYPE Squirrel Cage________ FAN SIZE
MOTOR HORSEPOWER
RPM
REMARKS:
BRE 0138
INDUSTRIAL HYGIENE EVALUATION AND SURVEY - VENTILATION
DATE
10/30/78_________ BUILDING NAME Welding Shop BLDG. NUMBER 424
UNIT IN WHICH BLDG. LOCATED
Maintenance H00D TYPE Cone
HOOD LOCATION
Southwest of Shop MATERIAL EXHAUSTED
Welding Fumes
OVERALL HOOD DIMENSIONS (INCHES): LENGTH 8.5 HEIGHT 8.5
WIDTH 8.5
DEPTH
--
FACE VELOCITY WITH DOOR(S) WIDE OPEN AT ABOVE DIMENSIONS FT/MIN.
DOOR OPENING IN INCHES AT WHICH FACE VELOCITY IS 100 FT/MIN: HEIGHT --
WIDTH
--
FOR SLOT HOODS THIS MEASUREMENT WOULD BE THE DISTANCE FROM THE SLOT IN INCHES WHERE CAPTURE VELOCITY IS 100 FPM _______________ ____________
AVERAGE SLOT VELOCITY AT THE SLOT OPENING IN FPM 1500
FACE VELOCITY AT NORMAL WORKING POSITION IN FPM _______ -- HEIGHT
WIDTH
~~
PROBE HEIGHT FROM HOOD BASE FOR NORMAL WORKING POSITION Avg. Reading at Opening______________
FOR SLOT HOODS THIS IS THE DISTANCE IN INCHES FROM THE SLOT TO EDGE OF THE SOURCE FOR NORMAL WORKING POSITION 6-9
AREA 0394
SQUARE FEET VELOCITY
CUBIC FEET PER MIN (Q VA)
Q VOLUME
1500 PPM VOLUME
591 CFM
V VELOCITY
A AREA
FAN TYPE
Squirrel Cage_______ fan SIZE
MOTOR HORSEPOWERRPM
REMARKS:
BRE 0139
INDUSTRIAL HYGIENE EVALUATION AND SURVEY - VENTILATION
DATE
10/30/78__________ BUILDING NAME
Welding Shop BLDG. NUMBER
UNIT IN WHICH BLDG. LOCATED
Maintenance HOOD TYPE Cone ____________________________________________
HOOD LOCATION
Northeast of Shop MATERIAL EXHAUSTED Welding Fumes
OVERALL HOOD DIMENSIONS (INCHES): LENGTH 85 HEIGHT 8'5 WIDTH 8'5
DEPTH ~~
FACE VELOCITY WITH DOOR(S) WIDE OPEN AT ABOVE DIMENSIONS ________ "__________FT/MIN.
DOOR OPENING IN INCHES AT WHICH FACE VELOCITY IS 100 FT/MIN: HEIGHT
~~ WIDTH ~~
FOR SLOT HOODS THIS MEASUREMENT WOULD BE THE DISTANCE FROM THE SLOT IN INCHES WHERE CAPTURE VELOCITY IS 100 FPM"__________________________
AVERAGE SLOT VELOCITY AT THE SLOT OPENING IN FPM 1000
FACE VELOCITY AT NORMAL WORKING POSITION IN FPM
~~
PROBE HEIGHT FROM HOOD BASE FOR NORMAL WORKING POSITION
HEIGHT
WIDTH
Avg. Reading at Opening_____________
FOR SLOT HOODS THIS IS THE DISTANCE IN INCHES FROM THE SLOT TO EDGE OF THE SOURCE FOR NORMAL WORKING POSITION 6-9
AREA 0.394
SQUARE FEET VELOCITY
CUBIC FEET PER MIN (Q VA)
Q VOLUME
1000 FPM VOLUME
394
V VELOCITY
A AREA
i FAN TYPE
Squirrel Cage
FAN SIZE
CFH
MOTOR HORSEPOWER __________________ RPM _____
REMARKS:
BRE 0140
INDUSTRIAL HYGIENE EVALUATION AND SURVEY - VENTILATION
DATE 10/30/78
BUILDING NAME
Insulation Shop
U5BLDG. NUMBER
UNIT IN WHICH BLDG. LOCATED
HOOD TYPE Slot
HOOD LOCATION
Band Saw
**.
OVERALL HOOD DIMENSIONS (INCHES): LENGTH
MATERIAL EXHAUSTED Insulation Dust
-- HEIGHT
WIDTH
-- DEPTH
FACE VELOCITY WITH DOOR(S) WIDE OPEN AT ABOVE DIMENSIONS
JFT/MIN.
DOOR OPENING IN INCHES AT WHICH FACE VELOCITY IS 100 FT/MIN: HEIGHT
WIDTH
FOR SLOT HOODS THIS MEASUREMENT WOULD BE THE DISTANCE FROM THE SLOT IN INCHES WHERE CAPTURE
VELOCITY IS 100 FPM
""___________
AVERAGE SLOT VELOCITY AT THE SLOT OPENING IN FPM * 5000
FACE VELOCITY AT NORMAL WORKING POSITION IN FPM
~~
HEIGHT
WIDTH
PROBE HEIGHT FROM HOOD BASE FOR NORMAL WORKING POSITION
Avg. Reading_____________________________
FOR SLOT HOODS THIS IS THE DISTANCE IN INCHES FROM THE SLOT TO EDGE OF THE SOURCE FOR NORMAL
WORKING POSITION ""
_____
AREA 0.087
SQUARE FEET VELOCITY
CUBIC FEET PER MIN (Q VA)
Q VOLUME
5000 FPM VOLUME
434 CFM
V VELOCITY
A AREA
FAN TYPE
________________________ FAN SIZE
_________
MOTOR HORSEPOWER**
RPM
1200 Avg. both bench vents on;2500 Avg. one on 5000+ both off
** 2 slots
2" X 1" Top and 3" X 3.5" Bottom
REMARKS:
* This is a 3-hood system. Measurements were made with only one open. Opening another
cuts flow in half.
C
BRE 0141
INDUSTRIAL HYGIENE EVALUATION AND SURVEY - VENTILATION
E DATE 10/30/78 BUILDING NAME
Insulation Shop BLDG. NUMBER A3.5T
U UNIT IN WHICH BLDG. LOCATED Maintenance
__________________ HOOD TYPE
Slot/Booth
I HOOD LOCATION
North SideMATERIAL EXHAUSTED Insulation Dust
OPENINGS
c OVERALL HOOD DIMENSIONS (INCHES): LENGTH
-- HEIGHT 5.5
WIDTH 11
XSEEEB
8
I FACE VELOCITY WITH DOOR(S) WIDE OPEN AT ABOVE DIMENSIONS ______________
FT/MIN.
E DOOR OPENING IN INCHES AT WHICH FACE VELOCITY IS 100 FT/MIN: HEIGHT .
WIDTH --________
I FOR SLOT HOODS THIS MEASUREMENT WOULD BE THE DISTANCE FROM THE SLOT IN INCHES WHERE CAPTURE V VELOCITY IS 100 FPM _________ "
A AVERAGE SLOT VELOCITY AT THE SLOT OPENING IN FPM* 1000_____________
_
F FACE VELOCITY AT NORMAL WORKING POSITION IN FPM
~~
HEIGHT
__________WIDTH
"
E PROBE HEIGHT FROM HOOD BASE FOR NORMAL WORKING POSITION _________ Avg. Reading__________________________
FOR SLOT HOODS THIS IS THE DISTANCE IN INCHES FROM THE SLOT TO EDGE OF THE SOURCE FOR NORMAL WORKING POSITION ___________ "
AREA 5.361
SQUARE FEET VELOCITY
CUBIC FEET PER MIN (Q VA)
Q VOLUME
1000
FPM VOLUME 3361
V VELOCITY
A AREA
CFM
I FAN TYPE
____________ .___________ FAN SIZE
N MOTOR HORSEPOWER ___________
RPM
O t> rtg
I REMARKS : _____________________ * This is a 3-hood system. Measurements were made with only one open. Opening 2 cuts flow in half.
BRE 0142
I INTERNAL CORRESPONDENCE
UNION CARBIDE CORPORATION
CHEMICALS AND PLASTICS
P. O. BOX 3370, BROWNSVILLE, TEXAS 78520
To (Name) Company Location
Mr. K. G. Townsend Brownsville Plant
Copy to
Date November 2, 1978
Originating Dept.
Answering letter date
Subject
Ventilation Survey
The semi-annual Industrial Hygiene Survey of ventilation equipment at the Brownsville plant has been completed. Flow measurements and eval uations were performed on 21 fume hoods and two dust collectors. Their locations in the plant are as follows:
Laboratory Recovery Lab Reaction #1 Lab Reaction #2 Lab Carpenter Shop Machine Shop Welding Shop Insulation Shop
13 1 1 1 1 (Dust Collector) 2 3 1 (Dust Collector)
Several points of interest were noted during the survey:
1. The laboratory made several improvements since the last survey.
A. A new hood was installed over the bottlewashers sink. It has excellent flows, 150 FPM at edge of sink and 100 FPM out to 40 inches, and 2000 FPM at each of the six slots for a total of 2500 CFM of flow. The only minor problem found is that when chemicals are poured into sink, some fumes back up through the drain of the next sink, but this could be remedied by installing a trap under the sink.
B. The old E.P., A.A. bench hood (now E.P.,I.H.) was relieved of most of its use, since the A.A. instrument was moved to the mini-lab, and its infrequent use and small amounts of chemicals required does not create a significant problem.
C. The chemicals bench east side hood was improved by the simple expedient of turning the air conditioning vent to blow directly at its door and it now has 125 FPM with the door wide open. However the old problem of not being able to close the door, in case of major spill, still exists and should be corrected.
BRE 0117
Mr. Townsend
-2
November 2, 1978
D. The steam bath hood no longer has a branch leading to the A.A. instrument, but the branch was left open and should be capped.
2. Recovery Lab - This hood is of the compensating type, but nff air was detected coming in between the door and front baffle. It is possible that the outside air intake is closed, or if equipped with inblowing motor, that it is not operating. The exhaust flows are still good (150 FPM) but it probably puts a strain on the air con ditioning system and could even create a negative pressure inside the lab.
3. Reaction #1 Lab - No problems.
4. Reaction #2 Lab - Low flows and poor ventilation, engineering is
working on improvements.
^
5. Carpenter Shop - Same problem as before, the poor location of the radial arm saw (in front of I-beam) makes it difficult for the saw dust to fall down into the box and it blows back to the operator instead.
6. Machine Shop - No problems.
7. Welding Shop - No problems.
8. Insulation Shop - This dust collector has three branches, two on workbenches and one for the band saw, and the flows are very good even with all branches open, but the noise problem it creates ( ;> 90 dB(A))may induce some workers not to turn it on when needed.
Please see the individual hood evaluation sheets for further details.
MG:mfw