AC/H

Air Changes per Hour

Amb.

Ambient

ASHRAE

American Society of Heating, Refrigeration & Air-Conditioning Engineers

BSC

Biological Safety Cabinet

CDA

Clean Dry Air

CER

Controlled Environment Room

CFM

Cubic Feet per Minute

CFU

Colony Forming Units

cGMP

current Good Manufacturing Practices

CMM

Cubic Meters per Minute

CNC

Controlled - Not Classified

CO

Carbon Monoxide

CO2

Carbon Dioxide

CPT

Cleanroom Performance Testing

DNA

Data Not Available

DNL

Data Not Listed

EMI

Electromagnetic Interference

FFU

Fan Filter Unit

FH

Fume Hood

FIO

For Information Only

FPH

Fan Powered HEPA

FPM

Feet per Minute

IES(T)

Institute of Environmental Sciences (& Technology)

ISPE

International Society for Pharmaceutical Engineering

LFH

Laminar Flow Hood

LOA

Lack Of Access

NA

Not Applicable

NCT

Negative Curtain Travel

NDS

No Design Specified

NEBB

National Environmental Balancing Bureau

NI

Not Installed

NIC

Not In Contract

NIST

National Institute of Standards and Technology

NM

Not Measured

NO

Nitric Oxide

NO2

Nitrogen Dioxide

NSF

National Sanitation Foundation

NVL

No Valid Location for testing

PAO

Polyalphaolefin

Particle

Non-viable or viable particulate

PCT

Positive Curtain Travel

PPM

Parts Per Million

PSL

Polystyrene Latex spheres

SDA

Sabouraud Dextrose Agar

SO2

Sulfur Dioxide

SOP

Standard Operating Procedure

TSA

Tryptic (Trypticase) Soy Agar

TNTC

Too Numerous To Count