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CDC

Respirator Recommendations. NIOSH. At concentrations above the NIOSH REL, or where there is no REL, at any detectable concentration: (APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode. (APF = 10,000) Any supplied-air respirator that has a full ...

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CDC

The National Institute for Occupational Safety and Health (NIOSH) Note: Javascript is disabled or is not supported by your browser. For this reason, some items on this page will be unavailable.

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CDC

NIOSH 7020; OSHA ID121. See: NMAM or OSHA Methods. Physical Description. White or cream-colored, free-flowing powder. [Note: The commercial product is prepared from diatomaceous earth & lime.] Molecular Weight. 116.2. Boiling Point.

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CDC

NIOSH 7300, 7301, 7303; OSHA ID121. See: NMAM or OSHA Methods. Physical Description. Finely divided white particulate dispersed in air. [Note: Exposure may occur when magnesium is burned, thermally cut, or welded …

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Search the NIOSH Pocket Guide to Chemical Hazards | NIOSH | CDC

For more advanced techniques that can help you search more effectively, visit the CDC Search Tips page. Last Reviewed: October 18, 2018. Source: National Institute for Occupational Safety and Health. To search the NIOSH Pocket Guide for a document, type a few descriptive words in the search box, and press the Enter key or click the search …

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CDC

NIOSH/OSHA. Up to 10 mg/m3: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode £ /. (APF = 50) Any air-purifying, full-facepiece respirator with an N100, R100, or P100 filter. Click here for information on selection of N, R, or P filters. (APF = 25) Any powered, air-purifying respirator with a high-efficiency particulate ...

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CDC

Isopropyl alcohol. Colorless liquid with the odor of rubbing alcohol. Class IB Flammable Liquid: Fl.P. below 73°F and BP at or above 100°F. NIOSH/OSHA. Important additional information about respirator selection. Dimethyl carbinol, IPA, Isopropanol, 2-Propanol, sec-Propyl alcohol, Rubbing alcohol Colorless liquid with the odor of rubbing alcohol.

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CDC

NIOSH/OSHA. (APF = 5) Any quarter-mask respirator. Click here for information on selection of N, R, or P filters.*. (APF = 10) Any particulate respirator equipped with an N95, R95, or P95 filter (including N95, R95, and P95 filtering facepieces) except quarter-mask respirators. The following filters may also be used: N99, R99, P99, N100, R100 ...

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CDC

NIOSH Acetylene Crit. Doc. See: NMAM or OSHA Methods. Physical Description. Colorless gas with a faint, ethereal odor. [Note: Commercial grade has a garlic-like odor. Shipped under pressure dissolved in acetone.] Molecular Weight. 26.0. Boiling Point.

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CDC

Eye: Irrigate immediately. Skin: Water flush promptly. Breathing: Respiratory support. Swallow: Medical attention immediately. Respirator Recommendations. NIOSH. Up to 1250 ppm: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode £. (APF = 25) Any powered, air-purifying respirator with organic vapor cartridge (s) £.

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CDC

Calcium salt of carbonic acid [Note: Occurs in nature as as limestone, chalk, marble, dolomite, aragonite, calcite and oyster shells.] White, odorless powder or colorless crystals. CDC - NIOSH Pocket Guide to Chemical Hazards - Calcium carbonate

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CALCIUM CARBONATE | Occupational Safety and Health …

NIOSH: Pocket Guide to Chemical Hazards - Calcium carbonate Literature References ACGIH: Documentation of the Threshold Limit Values (TLVs) and …

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CDC

CrO 3: Dark-red, odorless flakes or powder. [Note: Often used in an aqueous solution (H 2 CrO 4 ).] CrO 3: Noncombustible Solid, but will accelerate the burning of combustible materials. NIOSH. Escape: (APF = 50) Any air-purifying, full-facepiece respirator with an N100, R100, or P100 filter.

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CDC

Respirator Recommendations. NIOSH/OSHA. Up to 1 mg/m3: (APF = 10) Any supplied-air respirator. Up to 2.5 mg/m3: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode £. Up to 5 mg/m3: (APF = 50) Any self-contained breathing apparatus with a full facepiece. (APF = 50) Any supplied-air respirator with a full facepiece.

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CDC

TWA 15 mg/m 3 (total) 5 mg/m 3 (resp) Measurement Methods. NIOSH 7020; OSHA ID121. See: NMAM or OSHA Methods. Physical Description. White, odorless powder. [Note: Readily absorbs CO 2 from the air to form calcium carbonate.] Molecular Weight.

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CDC

Respirator Recommendations. NIOSH. Up to 10 mg/m3: (APF = 10) Any particulate respirator equipped with an N95, R95, or P95 filter (including N95, R95, and P95 filtering facepieces) except quarter-mask respirators. The following filters may also be used: N99, R99, P99, N100, R100, P100. Click here for information on selection of N, R, or P filters.

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CDC

Calcium carbonate [Marble], Natural calcium carbonate [Marble] [Note: Marble is a metamorphic form of calcium carbonate.] Odorless, white powder. CDC - NIOSH Pocket Guide to Chemical Hazards - Marble

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CDC

NIOSH. At concentrations above the NIOSH REL, or where there is no REL, at any detectable concentration: (APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode. (APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a ...

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CDC

Up to 75 mg/m3: (APF = 5) Any quarter-mask respirator. Click here for information on selection of N, R, or P filters. Up to 150 mg/m3: (APF = 10) Any particulate respirator equipped with an N95, R95, or P95 filter (including N95, R95, and P95 filtering facepieces) except quarter-mask respirators. The following filters may also be used: N99, R99 ...

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CDC

NIOSH/OSHA. Up to 5 mg/m3: (APF = 10) Any particulate respirator equipped with an N95, R95, or P95 filter (including N95, R95, and P95 filtering facepieces) except quarter-mask respirators. The following filters may also be used: N99, R99, P99, N100, R100, P100. Click here for information on selection of N, R, or P filters.

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Chemical Directory | NIOSH | CDC

NIOSH research related to chemicals includes toxicity studies, occupational epidemiology, studies of how to measure chemicals in the work environment, studies of engineering controls and personal protective equipment, risk assessment, Health Hazard Evaluations (HHEs), and communication tools for understanding and managing chemicals safely at …

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CDC

Calcium carbonate [Limestone], Natural calcium carbonate [Limestone] [Note: Calcite & aragonite are commercially important natural calcium carbonates.] Odorless, white to tan powder. CDC - NIOSH Pocket Guide to Chemical Hazards - Limestone

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CDC

TWA 0.5 mg/m 3 [*Note: The PEL also applies to other soluble barium compounds (as Ba) except Barium sulfate.] White, odorless solid. NIOSH/OSHA. (APF = 10) Any particulate respirator equipped with an N95, R95, or P95 filter (including N95, R95, and P95 filtering facepieces) except quarter-mask respirators.

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CDC

Respirator Recommendations. NIOSH/OSHA. Up to 50 ppm: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode £. (APF = 25) Any powered, air-purifying respirator with organic vapor cartridge (s) £. (APF = 50) Any chemical cartridge respirator with a full facepiece and organic vapor cartridge (s) (APF = 50) Any air-purifying ...

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CDC

Reacts with water to form Gypsum & Plaster of Paris.] irritation eyes, skin, upper respiratory system; conjunctivitis; rhinitis, epistaxis (nosebleed) Not available. Anhydrous calcium sulfate, Anhydrous gypsum, Anhydrous sulfate of lime, Calcium salt of sulfuric acid [Note: Gypsum is the dihydrate form and Plaster of Paris is the hemihydrate ...

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CDC

Lithium hydride. Odorless, off-white to gray, translucent, crystalline mass or white powder. Combustible Solid that can form airborne dust clouds which may explode on contact with flame, heat, or oxidizers. Strong oxidizers, halogenated hydrocarbons, acids, water [Note: May ignite SPONTANEOUSLY in air and may reignite after fire is extinguished.

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Pocket Guide to Chemical Hazards Introduction | NIOSH | CDC

The NIOSH Pocket Guide to Chemical Hazards is intended as a source of general industrial hygiene information for workers, employers, and occupational health professionals. The Pocket Guide presents key information and data in abbreviated tabular form for 677 chemicals or substance groupings (e.g., manganese compounds, tellurium compounds, …

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CDC

Calcium oxide. White or gray, odorless lumps or granular powder. Noncombustible Solid, but will support combustion by liberation of oxygen. Water (liberates heat), fluorine, ethanol [Note: Reacts with water to form calcium hydroxide.] NIOSH. (APF = 5) Any quarter-mask respirator. Click here for information on selection of N, R, or P filters.

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CDC

Carbonic acid gas, Dry ice [Note: Normal constituent of air (about 300 ppm)]. Colorless, odorless gas. [Note: Shipped as a liquefied compressed gas. Solid form is utilized as dry ice.] Dusts of various metals, such as magnesium, zirconium, titanium, aluminum, chromium & manganese are ignitable and explosive when suspended in carbon dioxide.

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CDC

OSHA PEL. TWA 15 mg/m 3 (total) TWA 5 mg/m 3 (resp) Measurement Methods. NIOSH 0500, 0600. See: NMAM or OSHA Methods. Physical Description. Dusts from solid substances without specific occupational exposure standards. Molecular Weight. Properties vary depending upon the specific solid.

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