Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 211 - DEFINITIONS AND GENERAL PROVISIONS
Subpart A - GENERAL PROVISIONS
Section 211.102 - Abbreviations and Conversion Factors
Current through Register Vol. 48, No. 38, September 20, 2024
a) Abbreviations used in this part include the following:
ABS |
acrylonitrile butadiene styrene |
ASTM |
American Society for Testing and Materials |
bbl |
barrels (42 gallons) |
btu |
British thermal units (60°F) |
btu/hr |
btu per hour |
°C |
degrees Celsius or Centigrade |
CAAPP |
Clean Air Act Permit Program |
cm |
centimeters |
cu in |
cubic inches |
EDP |
electrodeposition primer |
EMI/RFI |
electromagnetic interference/radio frequency interference |
EPDM |
ethylene propylenediene monomer |
EGU |
Electrical Generating Unit |
°F |
degrees Fahrenheit |
FIP |
Federal Implementation Plan |
ft |
feet |
ft2 |
square feet |
ft3 |
cubic feet |
g |
grams |
gpm |
gallons per minute |
g/mole |
grams per mole |
gal |
gallons |
hp |
horsepower |
hr |
hours |
in |
inch |
°K |
degrees Kelvin |
kcal |
kilocalories |
kg |
kilograms |
kg/hr |
kilograms per hour |
kPa |
kilopascals; one thousand newtons per square meter |
kW |
kilowatt |
l |
liters |
l/sec |
liters per second |
lbs |
pounds |
lbs/day |
pounds per day |
lbs/hr |
pounds per hour |
lbs/gal |
pounds per gallon |
lbs/yr |
pounds per year |
LEL |
lower explosive limit |
m |
meters |
m2 |
square meters |
m3 |
cubic meters |
mg |
milligrams |
Mg |
Megagrams, metric tons or tonnes |
ml |
milliliters |
min |
minutes |
MJ |
megajoules |
mmbtu |
million British thermal units |
mmbtu/hr |
million British thermal units per hour |
mmHg |
millimeters of mercury |
MTE |
maximum theoretical emissions |
Mwe |
megawatt of electricity |
MW |
megawatt; one million watts |
MW-hr |
megawatt per hour |
NDO |
natural draft opening |
Nox |
nitrogen oxides |
peoc |
potential electrical output capacity |
ppm (vol) |
parts per million |
ppmv |
parts per million by volume |
ppmvd |
parts per million by volume dry |
psi |
pounds per square inch |
psia |
pounds per square inch absolute |
psig |
pounds per square inch gauge |
PTE |
potential to emit |
RACT |
reasonably available control technology |
RT |
solids turnover ratio |
scf |
standard cubic feet |
scm |
standard cubic meters |
sec |
seconds |
SIP |
State Implementation Plan |
TTE |
temporary total enclosure |
sq cm |
square centimeters |
sq in |
square inches |
T |
short ton (2,000 lbs) |
ton |
short ton (2,000 lbs) |
TPY |
tons per year |
USEPA |
United States Environmental Protection Agency |
VOC |
volatile organic compounds |
VOL |
volatile organic liquids |
VOM |
volatile organic materials |
b) The following conversion factors have been used in this part:
English |
Metric |
1 gal |
3.785 l |
1,000 gal |
3,785 l or 3.785 m3 |
1 psia |
6.897 kPA (51.71 mmHg) |
2.205 lbs |
1 kg |
32° |
0°C (273.15 °K) |
1 bbl |
159.0 1 |
1 cu in |
16.39 ml |
1 lb/gal |
119,800 mg/l |
1 lb/mmbtu |
1.548 kg/MW-hr |
1 lb/T |
0.500 kg/Mg |
1 ton |
0.907 Mg |
1 T |
0.907 Mg |
mmbtu/hr |
0.293 MW |