Ammonia, Anhydrous	A	A	B	A	D	A	B	D	A	A/70	A
Ammonia-Cupric Sulfate	A		A		A	A		A
Ammonia, Liquids	A	A	B	A	D	A	D	A	A	A/70	A
Ammonium Nitrate	A	C	A				C	A	A	A	A
Ammonium Acetate		A			A	A	A	C	A
Ammonium Bicarbonate		A	A	A	A	A	B	B	B
Ammonium Biflouride	A	A	A		A	A	D		A	A/70	A
Ammonium Carbonate	A	A	D	A	B	A	C	C	A	A	A
Ammonium Casenite	A	A							A
Ammonium Chloride	A	A	A	A	A	A	C	D	A	A	A
Ammonium Dichromate		A	A	A		A	A	A	A		A
Ammonium Flouride		B	B		A	A	D	B	B	B	A
Ammonium Hydroxide	A	A	B	A	B	A	C	A	A	A	A
Ammonium Metaphosphate		A	A	A	A	A	B	B	B
Ammonium Nitrate	A	A	A	A	B	A	B	A	A	A	A
Ammonium Nitrite	A	A	A	A		A		A		A/70	A
Ammonium Oxalate	A	A	A						A
Ammonium Persulfate	A	A	D	B	A	A	C	D	A	A	A
Ammonium Phosphate, Dibasic	A	A	A	A	A	A	B		A	A	A
Ammonium Phosphate, Monobasic	A	A	A	A	A	A	B		A	A	A
Ammonium Phosphate, Tribasic	A	A	A	A	A	A	B		A	A	A
Ammonium Sulfate	A	A	A	A	D	A	B	C	A	A	A/B
Ammonium Sulfide		A	A		A	A	B	A	B		A
Ammonium Sulfite			A		A	A	C	D	B	A	A
Ammonium Thiocyanate		A	A	A	A	A	C	C	A
Ammonium Thio-Sulfate	A	A	A	A		A		D	A		/120
Amyl-Acetate	B	D	D	B	D	A	B	A	A	C/70	A/120
Amyl-Alcohol	B	B	B	A	B	A	B	A	A	B	A
Amyl-Borate	B	B	A	D	A	A					&gnsp;
Amyl-Chloride	D	D	D	D	A	A	D	A	A	D	A
Amyl-Chloronaphthalene	D	D	D	D	A	A		A
Amyl Naphthalene	D	D	D	D	A	A		A
Amyl Phenol			D		A	A	A	A	A		&gnsp;
Aniline	B	D	D		D	A	C	A	A	B	C/70
Aniline Dyes	A	B	C	A	A	A	B	A	B		&gnsp;
Aniline Hydrochloride	A	D	C	B	B	A	D	D	D	D	A
Animal Fats	C	B	A	A	A	A	A	A	A
Animal Gelatin	&gnsp;	A	A	A	A	A		A	A
Anisole (Methylphenyl Ether)		D			D	A	B	B	B
Anthraquinone						A	B	B	B
Anti-Freeze (Alcohol Base)	A	A	A	A	A	A	A	A	A	A
Anti-Freeze(Glycol Base)	A	B	A	A	A	A	A	A	A	A
Antimony Pentachloride	A		D			A	A	A	A
Antimony Trichloride	A		B	A	A	A	D	A	A	A	A
Aqua Regia	D	D	D	C	C	A	D	D	D	B	A/70
Aroclor	D	D	C	D	A	A	A	B	A	D
Aromatic Hydrocarbons	D	D	D	D	A	A	A	A	A	D
Arsenic Acid	B	A	A	A	A	A	D		A	A	A
Arsenic Trichloride	D	A	C	D	D	A	D	D	D