This is the list of extremely hazardous substances defined in Section 302 of the U.S. Emergency Planning and Community Right-to-Know Act (). The list can be found as an appendix to . Updates as of 2006 can be seen on the Federal Register, (August 16, 2006).
The data were provided by the United States Environmental Protection Agency (EPA).
A
B
C
D
E
F
G
H
I
L
M
N
O
P
- Paraquat
- Paraquat methosulfate
- Parathion
- Parathion-methyl
- Paris green
- Pentaborane
- Pentadecylamine
- Peracetic acid
- Perchloromethylmercaptan
- Phenol
- Phenol, 2,2'-thiobis(4-chloro-6-methyl)-
- Phenol, 3-(1-methylethyl)-, methylcarbamate
- Phenoxarsine, 10,10'-oxydi-
- Phenyl dichloroarsine
- Phenylhydrazine hydrochloride
- Phenylmercury acetate
- Phenylsilatrane
- Phenylthiourea
- Phosacetim
- Phosfolan
- Phosgene
- Phosmet
- Phosphamidon
- Phosphine
- Phosphonothioic acid, methyl-, O-ethyl O-(4-(methylthio)phenyl) ester
- Phosphonothioic acid, methyl-, S-(2-(bis(1-methylethyl)amino)ethyl) O-ethyl ester
- Phosphonothioic acid, methyl-, O-(4-nitrophenyl) O-phenyl ester
- Phosphoric acid, dimethyl 4-(methylthio)phenyl ester
- Phosphonothioic acid, O,O-dimethyl-S-(2-methylthio) ethyl ester
- Phosphorus
- Phosphorus oxychloride
- Phosphorus pentachloride
- Phosphorus trichloride
- Physostigmine
- Physostigmine, salicylate (1:1)
- Picrotoxin
- Piperidine
- Pirimifos-ethyl
- Plutonium
- Polonium-210
- Potassium arsenite
- Potassium cyanide
- Potassium silver cyanide
- Promecarb
- Propargyl bromide
- Propionitrile
- Propionitrile, 3-chloro-
- Propiophenone, 4'-amino-
- Propyleneimine
- Prothoate
- Pyrene
- Pyridine, 4-amino-
- Pyridine, 4-nitro-, 1-oxide
- Pyriminil
R
S
T
V
W
X
Z
See also
References