Vapor Intrusion Mitigation Acronym List

Greek Characters

µg/m3              micrograms per cubic meter

A

AARST         American Association of Radon Scientists and Technologists

AER              air exchange rate

AHU             air handling unit

ALM             asphalt latex membrane

ANSI            American National Standards Institute

APU             air purifying unit

ASHRAE     American Society of Heating, Refrigerating and Air-Conditioning Engineers

ASTM          American Society for Testing and Materials

ASTSWMO Association of State and Territorial Solid Waste Management Officials

ATD             analytical thermal desorption

ATSDR        Agency for Toxic Substances and Disease Registry

ATU             air treatment unit

AVMB         aerobic vapor migration barrier

B

BWD          block wall depressurization

C

CAPEX     capital expense

CM           composite membrane

CMU        concrete masonry unit

CO            carbon monoxide

COC         contaminant (or constituent or chemical) of concern

CQA         construction quality assurance

CSM         conceptual site model

CSP          concrete surface profile

CSV          crawlspace ventilation

D

DOD         United States Department of Defense

DNAPL    dense non-aqueous phase liquids

DTD         drain tile depressurization

DTSC       California Department of Toxic Substances Control

E

EC           engineering control

EFC        epoxy floor coating

EPDM    ethylene propylene diene monomer

ESTCP    Environmental Security Technology Certification Program

EVOH     ethylene vinyl alcohol

F

FDA       United States Food and Drug Administration

FID        flame ionization detector

G

GAC       granulated activated carbon

H

HDPE     high-density polyethylene

HVAC     heating, ventilation, and air conditioning

I

IC           institutional control

IDEM     Indiana Department of Environmental Management

ITRC       Interstate Technology and Regulatory Council

L

LLDPE    linear low-density polyethylene

LNAPL   light non-aqueous phase liquid

LUC        land use control

M

MADEP    Massachusetts Department of Environmental Protection

MLE         multiple lines of evidence

MPCA      Minnesota Pollution Control Agency

MPE         multiphase extraction

N

NAPL         non-aqueous phase liquid

NJDEP       New Jersey Department of Environmental Protection

NO2           nitrogen dioxide

NREL        National Renewable Energy Lab

NYDOH    New York Department of Health

O

O2             oxygen

OM&M      operation, maintenance, and monitoring

OSWER    USEPA Office of Solid Waste and Emergency Response

P

PADEP       Pennsylvania Department of Environmental Protection

PAH           polycyclic aromatic hydrocarbons

PCB            polychlorinated biphenyls

PCE            perchloroethylene or perchloroethene

PFAS          per- and polyfluoroalkyl substances

PFE            pressure field extension

PID            photoionization detector

PVC           polyvinyl chloride

PVI            petroleum vapor intrusion

Q

QA/QC      quality assurance/quality control

R

ROI          radius of influence

S

scfm       square cubic feet per minute

SDR        standard dimensional ratio

SMD       sub-membrane depressurization

SSD        sub-slab depressurization

SSV        sub-slab ventilation

SVE        soil vapor extraction

T

TCE       trichloroethylene or trichloroethene

TPH      total petroleum hydrocarbons

TM        thermoplastic membrane

U

USDA     United States Department of Agriculture

USDOE  United States Department of Energy

USEPA   United States Environmental Protection Agency

V

VAV      variable air volume

VG        vented garage

VI         vapor intrusion

VIMS   vapor intrusion mitigation system

VOC     volatile organic compound

W

WDNR Wisconsin Department of Natural Resources