Clarke Propane Floor Burnisher Operator's Manual page 9

1.5 %CO 100,000cf
TWA (OSHA Method)
Based on the CO production rates shown above the TWA would be exceeded in a 100 x 100 x 10 foot (empty) space
after 3 hours with 2 air changes per hour.
1 . 5 % C O
5 0 0
4 5 0
4 0 0
3 5 0
3 0 0
2 5 0
2 0 0
1 5 0
1 0 0
5 0
0
0
The Graph above depicts the relationships of air exchange to time and CO ppm with cubic feet area
and percent CO emissions remaining constant.
1.5 %CO 500,000cf
TWA (OSHA Method)
Based on the CO production rates shown above the TWA would be exceeded in a 100 x 500 x 10 foot (empty) space
after 6 hours with 2 air changes per hour.
1 .5 % C O E m i s s io n in 7 5 0 , 0 0 0 c u b i c f e e t w i t h 4 8 0 c c 1 4 H P E n g in e a n d c o m p l e t e a i r / C O m ix i n g
5 0 0
4 5 0
4 0 0
3 5 0
3 0 0
2 5 0
2 0 0
1 5 0
1 0 0
5 0
0
0 1
The Graph above depicts the relationships of air exchange to time and CO ppm with cubic feet area and percent CO
emissions remaining constant.
®
Clarke
Operator's Manual (EN) - DC Propane Burnisher
8 Hour Time Weighted Average (OSHA Method)
Hours Operation
0 change/hr
1/2 change/hr
1 change/hr
2 change/hr
(Assumes no additional CO exposure during 8 hour time period)
E m i s s i o n i n 5 0 0 , 0 0 0
E n g i n e a n d c o m p l e t e
1 2 3 4 5
T i m e ( h o u r s )
8 Hour Time Weighted Average (OSHA Method)
Hours Operation
0 change/hr
1/2 change/hr
1 change/hr
2 change/hr
(Assumes no additional CO exposure during 8 hour time period)
2 3 4 5
T i m e ( h o u r s )
1 2 3 4
34 103 206 343 514 719 959 1232
27 70 124 183 246 311 378
22 51 84 118 152 186 220
15 32 49 66
c u b i c f e e t w i t h 4 8 0 c c
a i r / C O m i x i n g
6 7 8 9 1 0
1 2 3 4
17 51 103 171 257 360 479 612
14 35 62 92
11 26 42 59
7 16 24 33
6 7 8 9
ENGLISH
5 6 7 8
445
255
83 100 117 135
1 4 H P
0 . 0 c h a n g e / h r
1 / 2 c h a n g e / h r
1 c h a n g e s / h r
2 c h a n g e s / h r
5 6 7 8
123 156 189 223
76 93 110 127
42 50 59 67
0 . 0 c h a n g e / h r
1 / 2 c h a n g e / h r
1 c h a n g e s / h r
2 c h a n g e s / h r
1 0
EN
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