Chapter NR 400

NR 400.03(2)(t) (t) “ml” — microliter—10-6 liter

NR 400.03(2)(tm) (tm) “mm” — micrometer—10-6 meter (micron)

NR 400.03(3) (3) Chemical nomenclature:

NR 400.03(3)(a) (a) “Be” — beryllium

NR 400.03(3)(b) (b) “CdS” — cadmium sulfide

NR 400.03(3)(c) (c) “CO” — carbon monoxide

NR 400.03(3)(d) (d) “CO2” — carbon dioxide

NR 400.03(3)(e) (e) “HCl” — hydrochloric acid

NR 400.03(3)(f) (f) “Hg” — mercury

NR 400.03(3)(g) (g) “H2O” — water

NR 400.03(3)(h) (h) “H2S” — hydrogen sulfide

NR 400.03(3)(i) (i) “H2SO4” — sulfuric acid

NR 400.03(3)(j) (j) “N2” — nitrogen

NR 400.03(3)(k) (k) “NO” — nitric oxide

NR 400.03(3)(L) (L) “NO2” — nitrogen dioxide

NR 400.03(3)(m) (m) “NOx” — nitrogen oxides

NR 400.03(3)(n) (n) “O2” — oxygen

NR 400.03(3)(o) (o) “Pb” — lead

NR 400.03(3)(om) (om) “SF6” — sulfur hexafluoride

NR 400.03(3)(p) (p) “SO2” — sulfur dioxide

NR 400.03(3)(q) (q) “SO3” — sulfur trioxide

NR 400.03(3)(r) (r) “SOx” — sulfur oxides

NR 400.03(4) (4) Miscellaneous:

NR 400.03(4)(a) (a) “API” — American Petroleum Institute, 1220 L Street NW, Washington DC 20005

NR 400.03(4)(am) (am) “AQCR” — air quality control region

NR 400.03(4)(b) (b) “ASME” — American Society of Mechanical Engineers, 22 Law Drive, Fairfield, NJ 07007-2900

NR 400.03(4)(bm) (bm) “ASTM” — American Society for Testing and Materials, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959

NR 400.03(4)(c) (c) “avg” — average

NR 400.03(4)(cm) (cm) “BACT” — best available control technology

NR 400.03(4)(cs) (cs) “CAS no.” — Chemical Abstracts Service registry number

NR 400.03(4)(d) (d) “CEM” — continuous emission monitor

NR 400.03(4)(dg) (dg) “CERCLA” — federal comprehensive environmental response, compensation and liability act

NR 400.03(4)(dm) (dm) “CFC” — chlorofluorocarbon

NR 400.03(4)(e) (e) “CFR” — code of federal regulations

NR 400.03(4)(em) (em) “DOE” — United States department of energy

NR 400.03(4)(f) (f) “EPA” — United States environmental protection agency

NR 400.03(4)(fm) (fm) “FC” — fluorocarbon

NR 400.03(4)(g) (g) “FR” — federal register

NR 400.03(4)(gm) (gm) “GACT” — generally available control technology

NR 400.03(4)(go) (go) “GHG” — greenhouse gases

NR 400.03(4)(gs) (gs) “HAP” — hazardous air pollutant

NR 400.03(4)(h) (h) “HCFC” — hydrochlorofluorocarbon

NR 400.03(4)(hm) (hm) “HFC” — hydrofluorocarbon

NR 400.03(4)(i) (i) “I.D.” — inside diameter

NR 400.03(4)(im) (im) “LAER” — lowest achievable emission rate

NR 400.03(4)(j) (j) “MACT” — maximum achievable control technology

NR 400.03(4)(jm) (jm) “MSDS” — material safety data sheet

NR 400.03(4)(jp) (jp) “NAICS” — North American Industry Classification System

NR 400.03(4)(js) (js) “NESHAP” — national emission standards for hazardous air pollutants

NR 400.03(4)(k) (k) “O.D.” — outside diameter

NR 400.03(4)(ke) (ke) “OSHA” — United States occupational safety and health administration

NR 400.03(4)(kg) (kg) “PFC” — perfluorocarbon

NR 400.03(4)(ki) (ki) “PM2.5” — particulate matter with an aerodynamic diameter < 2.5 mm

NR 400.03(4)(km) (km) “PM10” — particulate matter with an aerodynamic diameter≤10 µm

NR 400.03(4)(ks) (ks) “PSD” — prevention of significant deterioration

NR 400.03(4)(L) (L) “RACT” — reasonably available control technology

NR 400.03(4)(Lm) (Lm) “rpm” — revolutions per minute

NR 400.03(4)(m) (m) “SIC” — standard industrial classification

NR 400.03(4)(mf) (mf) “SIP” — state implementation plan

NR 400.03(4)(mm) (mm) “TRS” — total reduced sulfur

NR 400.03(4)(n) (n) “TSP” — total suspended particulates

NR 400.03(4)(nm) (nm) “USC” — United States Code

NR 400.03(4)(o) (o) “VOC” — volatile organic compound

NR 400.03(4)(om) (om) “≥” — greater than or equal to

NR 400.03(4)(p) (p) “≤” — less than or equal to

NR 400.03(4)(pm) (pm) “%” — percent

NR 400.03(4)(q) (q) “±” — plus or minus

NR 400.03 History History: Cr. Register, April, 1995, No. 472, eff. 5-1-95; am. (2), Register, December, 1995, No. 480, eff. 1-1-96; correction made under s. 13.93 (2m) (b) 1., Stats., Register, December, 1995, No. 480; cr. (4) (cs) and (gs), Register, March, 1997, No. 495, eff. 4-1-97; cr. (4) (ke), Register, September, 1997, No. 501, eff. 10-1-97; cr. (2) (ns), (rg), (4) (dg) and (ks), Register, October, 1999, No. 526, eff. 11-1-99; CR 05-040: cr. (4) (js) Register February 2006 No. 602, eff. 3-1-06; CR 10-050: cr. (4) (ki) Register November 2010 No. 659, eff. 12-1-10; EmR1046: emerg. cr. (3) (om), (4) (go), (kg), eff. 12-15-10; CR 10-144: cr. (3) (om), (4) (go), (kg) Register August 2011 No. 668, eff. 9-1-11; CR 21-072: cr. (4) (jp) Register July 2022 No. 799, eff. 8-1-22; CR 23-017: cr. (4) (mf) Register March 2024 No. 819, eff. 4-1-24.