Ill. Admin. Code tit. 35 § 212.111

Current through Register Vol. 48, No. 45, November 8, 2024

Section 212.111 - Abbreviations and Units

a) The following abbreviations are used in this Part:

btu	British thermal units (601/4°F)
dscf	dry standard cubic foot
ft	foot
ft2	square feet
fpm	feet per minute
gal	gallon
gr	grains
gr/scf	grains per standard cubic foot
gr/dscf	grains per dry standard cubic foot
hr	hour
J	Joule
kg	kilogram
kg/MW-hr	kilograms per megawatt-hour
km	kilometer
L	liter
lbs	pounds
lbs/hr	pounds per hour
lbs/mmbtu	pounds per million btu
m	meter
m2	square meters
mph	miles per hour
mg	milligram
mg/scm	milligrams per standard cubic meter
mg/dscm	milligrams per dry standard cubic meter
mg/L	milligrams per liter
Mg	megagram, metric ton or tonne
mi	mile
mmbtu	million British thermal units
mmbtu/hr	million British thermal units per hour
MW	megawatt; one million watts
MW-hr	megawatt-hour
ng	nanogram; one billionth of a gram
ng/J	nanograms per Joule
scf	standard cubic foot
scfm	standard cubic feet per minute
scm	standard cubic meter
T	short ton (2000 lbs)
yd2	square yards

b) The following conversion factors have been used in this Part:

English	Metric
2.205 lbs	1 kg
1 T	0.907 Mg
1 lb/T	0.500 kg/Mg
mmbtu/hr	0.293 MW
1 lb/mmbtu	1.548 kg/MW-hr or 430 mg/J
1 mi	1.61 km
1 gr	64.81 mg
1 gr/scf	2289 mg/scm
1 ft2	0.0929 m2
1 ft	0.3048 m
1 gal	3.785 L

Ill. Admin. Code tit. 35, § 212.111

Amended at 20 Ill. Reg. 7605, effective May 22, 1996