A Service-Disabled Veteran-Owned Company
bridge net.jpg

Articles

Safety Articles From Major Sources

NIOSH Pocket Guide to Chemical Hazards Available

Long seen as the "bible" of industrial hygienists and other professionals working in the safety and hazardous materials fields, the NIOSH POCKET GUIDE to Chemical Hazards (NPG) is a resource that provides easily-accessible guidance on various chemicals and how they affect the human body and environment. I used it daily when working in the US Air Force's Bioenvironmental Engineering field and all too often when responding to chemical accidents and releases. 

We use it here at Worker Safety Net on a regular basis when asked to assist with evaluating chemical hazards, PPE requirements and other control methods. 

The example seen is here is but one of hundreds found in the NPG. We chose lead of course due to its pervasive presence not only in many work environments, but also drinking water and older paints.

We highly recommend you use it when you have questions about hazmats. Of course, if you have questions beyond the basics, we encourage you to contact us to help you further. You can find the NIOSH POCKET GUIDE to Chemical Hazards  through the highlighted link.

Ed Maurer
Worker Safety Net


NIOSH POCKET GUIDE To Chemical Hazards

Lead          

o    CAS Number 7439-92-1

o    Formula Pb

o    Synonyms and Trade Names: Lead metal, Plumbum

o    DOT ID & Guide No data available

o    IDLH 100 mg/m3 (as Pb) See: 7439921

o    Conversion Not available

o    RTECS Number OF7525000      

o    NIOSH REL

TWA (8-hour) 0.050 mg/m3 See Appendix C [*Note: The REL also applies to other lead compounds (as Pb) -- see Appendix C.]

C

o    OSHA PEL

[1910.1025] TWA 0.050 mg/m3 See Appendix C [*Note: The PEL also applies to other lead compounds (as Pb) -- see Appendix C.]

C

o    Measurement Methods

NIOSH 7082 , 7105 , 7300 , 7301 , 7303 , 7700 , 7701 , 7702 , 9100 , 9102 , 9105;
OSHA ID206 , ID121 , ID125G

o    Physical Description A heavy, ductile, soft, gray solid.         

o    Molecular Weight 207.2

o    Boiling Point 3164°F

o    Freezing Point Not available

o    Melting Point 621°F

o    Solubility Insoluble

o    Vapor Pressure 0 mmHg (approx)

o    Ionization Potential NA

o    Relative Gas Density Not available

o    Specific Gravity 11.34

o    Flash Point NA

o    Upper Explosive Limit NA

o    Lower Explosive Limit NA

o    Minimum Explosive Concentration Not available

o    Flammability Class Noncombustible Solid in bulk form.·          

o    PPE Skin Prevent skin contact

o    PPE Eyes Prevent eye contact

o    PPE Wash Skin Daily

o    PPE Remove When wet or contaminated

o    PPE Change Daily

o    PPE Provide Not available·          

o    NIOSH/OSHA

Up to 0.5 mg/m3
(APF = 10) Any air-purifying respirator with an N100, R100, or P100 filter (including N100, R100, and P100 filtering facepieces) except quarter-mask respirators. 
Click here for information on selection of N, R, or P filters.
(APF = 10) Any supplied-air respirator

Up to 1.25 mg/m3
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode
(APF = 25) Any powered, air-purifying respirator with a high-efficiency particulate filter.

Up to 2.5 mg/m3
(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 = 50) Any supplied-air respirator that has a tight-fitting facepiece and is operated in a continuous-flow mode
(APF = 50) Any powered, air-purifying respirator with a tight-fitting facepiece and a high-efficiency particulate filter
(APF = 50) Any self-contained breathing apparatus with a full facepiece
(APF = 50) Any supplied-air respirator with a full facepiece

Up to 50 mg/m3
(APF = 1000) Any supplied-air respirator operated in a pressure-demand or other positive-pressure mode

Up to 100 mg/m3
(APF = 2000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode

Emergency or planned entry into unknown concentrations or IDLH conditions: 
(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 pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus

Escape: 
(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.
Any appropriate escape-type, self-contained breathing apparatus(See Appendix E) E

o    Incompatibilities and Reactivities Strong oxidizers, hydrogen peroxide, acids

o    Exposure Routes inhalation, ingestion, skin and/or eye contact

o    Symptoms

lassitude (weakness, exhaustion), insomnia; facial pallor; anorexia, weight loss, malnutrition; constipation, abdominal pain, colic; anemia; gingival lead line; tremor; paralysis wrist, ankles; encephalopathy; kidney disease; irritation eyes; hypertension

o    Target Organs

Eyes, gastrointestinal tract, central nervous system, kidneys, blood, gingival tissue

o    Cancer Site Not available

o    First Aid Eye Irrigate immediately

o    First Aid Skin Soap flush promptly

o    First Aid Inhalation Respiratory support

o    First Aid Ingestion Medical attention immediately

o    ICSC Card   See ICSC CARD: 0052

o    Medical tests   See MEDICAL TESTS: 0127