Naphtha	F	G	P	P	E
Naphthalene	P	P	P	P	E
Naphthalenic Acid	P	G	P	P	E
Natural Gas	E	E	P	E	E
Neats Foot Oil	P	E	G	G	E
Neville Acid	P	P	G	P	E
N-Hexaldehyde	E	P	E	G	P
N-Hexene-1	G	G	P	P	E
Nickel Acetate (aq)	G	G	E	P	P
Nickel Chloride (aq)	E	E	E	E	E
Nickel Sulfate (aq)	E	E	E	E	E
Niter Cake	E	E	E	E	E
Nitric Acid (Conc.)	P	P	P	P	G
Nitric Acid (Dilute)	G	P	G	G	E
Nitric Acid-Red Fuming	P	P	P	P	F
Nitrobenzene	P	P	E	P	G
Nitrobenzene (Petroleum Ether)	G	E	P	P	E
Nitroethane	F	P	G	P	P
Nitrogen	E	E	E	E	E
Nitrogen Tetroxide	P	P	F	P	P
Nitromethane	G	P	G	P	P
N-Octane	G	G	P	P	E
n-Propyl Acetate	P	P	G	P	P
O-A-548 b	G	E	E	G	G
O-Chloronapthalene	P	P	P	P	E
Octachlorotoluene	P	P	P	P	E
Octadecane	G	E	P	P	E
Octyl Alcohol	E	G	F	G	E
O-Dichlorobenzene	P	P	P	P	E
O-Dichlorobenzene	P	P	P	P	E
Oleic Acid	F	F	P	P	G
Oleum Spirits	F	G	P	P	E
Olive Oil	G	E	G	F	E
O-T-634 b	P	F	P	P	E
Oxalic Acid	G	G	E	G	E
Oxygen-(200-400°F)	P	P	F	G	G
Oxygen-Cold	E	G	E	E	E
Ozone	F	P	E	E	E
Paint Thinner, Duco	P	P	P	P	G
Palmitic Acid	G	E	G	P	E
P-Cymene	P	P	P	P	E
P-D-680	F	E	P	P	E
Peanut Oil	F	E	F	E	E
Perchloric Acid	G	P	G	P	E
Perchloroethylene	P	G	P	P	E
Petroleum-Above 250°F	G	P	P	P	G
Petroleum-Below 250°F	G	E	P	G	E
Phenol (Carbolic Acid)	F	P	G	P	E
Phenyl Ethyl Ether	P	P	P	P	P
Phenyl Hydrazine	P	P	G	na	G
Phenylbenzene (Biphenyl) (Diphenyl)	P	P	P	P	E
Phorone (Diisopropylidene Acetone)	P	P	F	P	P
Phosphoric Acid-20%	G	G	E	G	E
Phosphoric Acid-45%	G	P	E	F	E
Phosphorus Trichloride	P	P	E	na	E
Pickling Solution	P	P	F	P	G
Picric Acid	E	G	G	P	E
Pine Oil	P	P	P	P	E
Pinene	F	G	P	P	E
Piperidine	P	P	P	P	P
Plating Solution-Chrome	P	na	E	P	E
Plating Solution-Others	P	E	E	P	E
Polyvinyl Acetate Emulsion	G	na	E	na	na
Potassium Acetate (aq)	G	G	E	P	P
Potassium Chloride (aq)	E	E	E	E	E
Potassium Cupro Cyanide (aq)	E	E	E	E	E
Potassium Cyanide (aq)	E	E	E	E	E
Potassium Hydroxide (aq)	G	G	E	F	P
Potassium Nitrate (aq)	E	E	E	E	E
Potassium Sulfate (aq)	E	E	E	E	E
Potassiun Dichromate (aq)	E	E	E	E	E
Producer Gas	G	E	P	G	E
Propane	G	E	P	P	E
Propyl Acetone (Methyl Butyl Ketone)	P	P	E	F	P
Propyl Alcohol	E	E	E	E	E
Propyl Nitrate	P	P	G	P	P
Propylene	P	P	P	P	E
Propylene Oxide	P	P	G	P	P
P-S-661 b	F	E	P	P	E
Pydraul, 10E, 29 ELT	P	P	E	P	E
Pydraul, 115E	P	P	E	P	E
Pydraul, 230E, 312C, 540C	P	P	P	P	E
Pydraul, 30E, 50E, 65E, 90E	P	P	E	E	E
Pyranol, Transformer Oil	G	E	P	P	E
Pyridine	P	P	G	P	P
Pyroligneous Acid	G	P	G	na	P
Pyrrole	P	P	F	G	P
Radiation	G	F	G	F	F
Rapeseed Oil	G	G	E	P	E
Red Oil (MIL-H-5606)	G	E	P	P	E
RJ-1 (MIL-F-25558 B)	G	E	P	P	E
RP-1 (MIL-F-25576 C)	G	E	P	P	E