code|description
--|Unspecified
AD*|AD* - PTOX Unspecified
AE|Aerial, unspecified
AG|Aerial, granular 
AQ|Aqueous
AQUA - NR|Aquatic - not reported
AS|Spray, aerial
B|Tidal
CH|Choice
CM|Culture medium
CM*|CM* - PTOX Unspecified  
CP|Cheek pouch
D*|D* - PTOX Unspecified  
DA|Direct application
DM|Dermal
DO*|DO* - PTOX Unspecified
DR|Drinking water
DT|Diet, unspecified
DU|Dusted
DW|Dropwise
E|Lentic 
EN|Environmental, unspecified
F|Flow-through
FC|Filmcoating
FD|Food
FS|Spray, foliar
FU|Fumigation
FV*|FV* - PTOX Unspecified
GE|Gestational
GG|Ground, granular 
GI|Ground, injection
GM|Growth medium
GM*|GM* - PTOX Unspecified  
GS|Spray, ground
GS*|GS* - PTOX Unspecified  
GV|Gavage
HP|Hydroponic
HP*|HP* - PTOX Unspecified  
HS|Spray, hand
IA|Intra-arterial 
IAC|Intra-abdominal cavity
IB|Albumin injection
IC|Air sac injection
ICL|Intra-coelom
ICM|Chorioallantoic membrane
ID|Intradermal
IE|Intratesticular
IF|Intramedial forebrain bundle
IG|Intragastrical 
IH|Intrahemocoel
II|Intrastriatal
IJ|Injection, unspecified
IK|Intracranial 
IL|Intra placental
ILP|Intralymphatic
IM|Intramuscular
IN|In situ
IN*|IN* - PTOX Unspecified  
IO|Intra-amniotic
IP|Intraperitoneal
IPL|Intraplantar
IQ|Intraduodenal
IR|Intraprostomial
IS|Intrasegmentally
IU|Intraaccumbens
IV|Intravenous
IVT|In Vitro
IW|Intraesophageal
IY|Intracardiac
IZ|Intra-spinal cord
L|Leaching 
LC|Lactation (exposed via mothers milk)
LF*|LF* - PTOX Unspecified
MI|Misted
MM|Immersion
MT|Multiple routes within environmental exposures
MU|Multiple routes between application groups
NC|Not coded
NR|Not reported
O|Lotic 
OC|Ocular
OM|Multiple routes within the oral exposure type group
OP|Osmotic pump
OR|Oral via capsule
P|Pulse
PC|Percutaneous
PR|Present in soil
PS*|PS* - PTOX Unspecified
PT|Painted
PU|Pump
PU*|PU* - PTOX Unspecified  
R|Renewal
RA|RA - unknown
RA*|RA* - PTOX Unspecified
RC|Rectal
RG|Irrigation
RT*|RT* - PTOX Unspecified
S|Static
SA|Surface area dose
SC|Subcutaneous
SD|Subdermal
SH|Eggshell
SL*|SL* - PTOX Unspecified
SO|Dipped or soaked
SO*|SO* - PTOX Unspecified  
SP|Spray, unspecified
SP*|SP* - PTOX Unspecified  
SR*|SR* - PTOX Unspecified
SS|Soil slurry
ST*|ST* - PTOX Unspecified
TER-NR|Terrestrial Not Reported
TP|Topical, general
TU*|TU* - PTOX Unspecified
UN|Oral, unspecified
WA|Watered
YK|Yolk
