Heritage Research Center, Ltd.

Machinists

Petroleum Hydrocarbons and oils

Magnesium Alloy Makers

Magnesium and its compounds

Manganese Dioxide Makers

Manganese and its compounds

Manganese and its compounds

Manganese Grinders

Manganese and its compounds

Manganese Ore Separators

Manganese and its compounds

Manganese Ore Workers

Manganese and its compounds

Manganese Steel Makers

Manganese and its compounds

Manganese Steel Workers

Manganese and its compounds

Manometer Makers

Mercury and its compounds

Marble Cutters

Inorganic dust

Inorganic dust (no free silica)

Masons

Inorganic dust

Inorganic dust (free silica)

Inorganic dust (no free silica)

Match Factory Workers

Lead and its compounds (i.e., lead sulphuret)

Phosphine / Phosphoretted hydrogen

Manganese and its compounds

Chromium and its compounds (i.e., Chromic Acid, Chromates, Bichromates, Chromium Colors)

Hydrogen sulfide / Sulfretted hydrogen / Hydricsulphide sulfureted

Carbon Disulfide

Inorganic dust

Organic dust

Alkalis

Antimony and its compounds

Inorganic dust (no free silica)

Potassium hydroxide

Phosphorus and its compounds

Mattress Makers

Organic dust

Mechanics (Gas Engines)

Petroleum Hydrocarbons and oils

Mercerizers

Alkalis

Hydrochloric Acid

Sulfuric Acid / Sulphuric Acid

Ammonia

Mercurial Vapor Lamp Makers

Mercury and its compounds

Mercurizers

Sulfuric Acid / Sulphuric Acid

Hydrochloric Acid

Sodium hydroxide

Mercury Alloy Makers

Mercury and its compounds

Mercury Boiler Workers

Mercury and its compounds

Mercury Bronzers

Mercury and its compounds

Mercury Miners

Mercury and its compounds

Mercury Pump Workers

Mercury and its compounds

Mercury Salt Workers

Mercury and its compounds

Mercury Smelters

Sulfur dioxide / Sulphur dioxide / Sulphurous Acid

Mercury and its compounds

Mercury Solder Makers

Mercury and its compounds

Mercury Solder Workers

Mercury and its compounds

Mercury Still Cleaners

Mercury and its compounds

Mercury Switch Makers

Mercury and its compounds

Mercury Vapor Lamp Makers

Mercury and its compounds

Metal Etching

Nitrogen oxide (nitrous fumes and gases) and nitric acid

Metal Polish Makers

Benzene / Benzol (including naphtha and gasoline) and its homologues (Toluol and Xylol)

Metal Refining

Nitrogen oxide (nitrous fumes and gases) and nitric acid

Metal Turners

Inorganic dust

Inorganic dust (no free silica)

Metal Washers

Chlorinated Hydrocarbons

Petroleum Hydrocarbons and oils

Benzene / Benzol (including naphtha and gasoline) and its homologues (Toluol and Xylol)

Metal Working

Scheele's Green

Cochineal

Neuwied Green

Arsenic and its compounds (except arsine)

Metallic Lead Makers (including Wire, Sheets, Plates, Boxes, Pipe, Cans)

Lead and its compounds (i.e., lead sulphuret)

Metallizers

Selenium and its compounds

Copper and its compounds

Zinc and its compounds (including Zinc oxide)

Cadmium and its compounds

Magnesium and its compounds

Lead and its compounds (i.e., lead sulphuret)

Iron oxide

Metal Fume Fever

Aluminum oxide and other Aluminum compounds

Metals Deoxidating (Lead, Iron, Zinc, etc.)

Nitrogen oxide (nitrous fumes and gases) and nitric acid

Methyl Alcohol Workers

Methanol / Methyl alcohol

Acetone

Methyl Bromide Workers

Methanol / Methyl alcohol

Bromine

Methyl Bromide - a brominated hydrocarbon

Methyl Chloride Makers

Hydrochloric Acid

Methanol / Methyl alcohol

Methyl Chloride

Methyl Compounds Makers

Methanol / Methyl alcohol

Methyl Ethers and Methyl Amines Makers

Dimethyl Sulfate

Methylene Chloride Workers

Methylene chloride / Dichloromethane

Methylizing

Diazomethane

Mica Strippers or Splitters

Inorganic dust (no free silica)

Inorganic dust

Mica Workers

Inorganic dust (no free silica)

Inorganic dust

Millers

Mercury and its compounds

Millinery Workers

Turpentine and Turpentine Oil

Methanol / Methyl alcohol

Amyl Acetate

Beryllium and its Compounds

Benzene / Benzol (including naphtha and gasoline) and its homologues (Toluol and Xylol)

Petroleum Hydrocarbons and oils

Acetone

Amino Compounds of Benzol, Toluol and Xylol

Aniline and other amido compounds of benzol and its homologues

Mineral Earth Workers

Inorganic dust (no free silica)

Miners

Lead and its compounds (i.e., lead sulphuret)

Inorganic dust (free silica)

Inorganic dust

Hydrogen sulfide / Sulfretted hydrogen / Hydricsulphide sulfureted

Nitrogen oxide (nitrous fumes and gases) and nitric acid

Inorganic dust (no free silica)

Manganese and its compounds

Silver and its compounds

Asbestos / Asbestos dust

Mining and Smelting Quicksilver

Mercury and its compounds

Mirror Plating

Mercury and its compounds

Mirror Silverers

Acetaldehyde / Ethyl aldehyde

Formic Acid

Formaldehyde

Lead and its compounds (i.e., lead sulphuret)

Cyanogen and its compounds (i.e., Dicyanogen, Prussic Acid, Natrium Cyanide, Rhodanic Compounds)

Mercury and its compounds

Benzene / Benzol (including naphtha and gasoline) and its homologues (Toluol and Xylol)

Silver and its compounds

Ammonia

Cyanides

Mixers (Felt Hats)

Organic dust

Mercury and its compounds

Mixers (Rubber)

Benzene / Benzol (including naphtha and gasoline) and its homologues (Toluol and Xylol)

Amino Compounds of Benzol, Toluol and Xylol

Chromium and its compounds (i.e., Chromic Acid, Chromates, Bichromates, Chromium Colors)

Paraldehyde

Inorganic dust (no free silica)

Hexamethylene Tetramine

Lead and its compounds (i.e., lead sulphuret)

Petroleum Hydrocarbons and oils

Synthetic rubber

Arsenic and its compounds (except arsine)

Carbon Tetrachloride

Antimony and its compounds

Inorganic dust

Aniline and other amido compounds of benzol and its homologues

Benzine

Mixing Room Workers (Miscellaneous)

Inorganic dust

Organic dust

Inorganic dust (no free silica)

Mold Breakers (Foundry)

Inorganic dust

Inorganic dust (free silica)

Molders (Asbestos)

Asbestos / Asbestos dust

Molders (Foundry)

Aluminum oxide and other Aluminum compounds

Lead and its compounds (i.e., lead sulphuret)

Magnesium and its compounds

Zinc and its compounds (including Zinc oxide)

Iron oxide

Inorganic dust (free silica)

Inorganic dust (no free silica)

Metal Fume Fever

Monometer Makers

Mercury and its compounds

Monotypers

Lead and its compounds (i.e., lead sulphuret)

Antimony and its compounds

Mordanters

Cyanogen and its compounds (i.e., Dicyanogen, Prussic Acid, Natrium Cyanide, Rhodanic Compounds)

Amyl Acetate

Chloride of Lime

Aniline and other amido compounds of benzol and its homologues

Formaldehyde

Acetone

Chromium and its compounds (i.e., Chromic Acid, Chromates, Bichromates, Chromium Colors)

Phenol

Dichloroethane / Ethylene dichloride (see also Ethylene chloride)

Amyl alcohol

Arsenic and its compounds (except arsine)

Picric Acid / Trinitrophenol

Titanium oxide / Titanium dioxide

Sulfur chloride / Sulphur chloride

Pyridine

Benzene / Benzol (including naphtha and gasoline) and its homologues (Toluol and Xylol)

Antimony and its compounds

Lead and its compounds (i.e., lead sulphuret)

Uranium and its compounds

Vanadium and its compounds

Petroleum Hydrocarbons and oils

Oxalic Acid

Methanol / Methyl alcohol

Nitrogen oxide (nitrous fumes and gases) and nitric acid

Nitric Acid

Manganese and its compounds

Formic Acid

Hydrofluoric Acid / Fluoric Acid

Cyanides

Ammonia

Amino Compounds of Benzol, Toluol and Xylol

Chlorinated Hydrocarbons

Aromatic Hydrocarbons (i.e., Naphthalene, Anthracene)

Benzine

Amyl alcohol

Motion Picture Film Workers

Butyl Alcohol

Tetrachloroethane / Acetylene Tetrachloride

Amyl Acetate

Chlorinated Hydrocarbons

Motion Picture Machine Operators

Mercury and its compounds

Nitrogen oxide (nitrous fumes and gases) and nitric acid

Ultraviolet Rays and Infrared Rays

Motion Picture Studio Workers

Ultraviolet Rays and Infrared Rays

Mottlers (Leather)

Methanol / Methyl alcohol

Amyl Acetate

Mould Breakers (Foundry)

Inorganic dust (no free silica)

Musical Instrument Makers

Lead and its compounds (i.e., lead sulphuret)