8
SAFETY
MINIFLEX
®
PORTABLE WELDING FUME EXTRACTOR
BIBLIOGRAPHY AND SUGGESTED READING
ANSI Z87.1, Practice for Occupational and Educational Eye and Face
Protection, American National Standards Institute, 11 West 42nd
Street, New York, NY 10036.
Arc Welding and Your Health: A Handbook of Health Information for
Welding. Published by The American Industrial Hygiene Association,
2700 Prosperity Avenue, Suite 250, Fairfax, VA 22031-4319.
NFPA Standard 51B, Cutting and Welding Processes, National Fire
Protection Association, 1 Batterymarch Park, P.O. Box 9146, Quincy,
MA 02269-9959.
OSHA General Industry Standard 29 CFR 1910 Subpart Q. OSHA
Hazard Communication Standard 29 CFR 1910.1200. Available from
the Occupational Safety and Health Administration at
http://www.osha.org or contact your local OSHA office.
The following publications are published by The American Welding
Society, P.O. Box 351040, Miami, Florida 33135. AWS publications
may be purchased from the American Welding society at
http://www.aws.org or by contacting the AWS at 800-443-9353.
ANSI, Standard Z49.1, Safety in Welding, Cutting and Allied
Processes. Z49.1 is now available for download at no charge at
http://www.lincolnelectric.com/community/safety/ or at the AWS
website http://www.aws.org.
AWS F1.1, Method for Sampling Airborne Particulates Generated by
Welding and Allied Processes.
AWS F1.2, Laboratory Method for Measuring Fume Generation Rates
and Total Fume Emission of Welding and Allied Processes.
AWS F1.3, Evaluating Contaminants in the Welding Environment: A
Strategic Sampling Guide.
AWS F1.5, Methods for Sampling and Analyzing Gases from Welding
and Allied Processes.
AWS F3.2, Ventilation Guide for Welding Fume Control
AWS F4.1, Recommended Safe Practices for the Preparation for
Welding and Cutting of Containers and Piping That Have Held
Hazardous Substances.
AWS SHF, Safety and Health Facts Sheets. Available free of charge
from the AWS website at http://www.aws.org.
Supplemental Information:
(*) Not listed. Nuisance value maximum is 10 milligrams per cubic
meter. PEL value for iron oxide is 10 milligrams per cubic meter.
TLV value for iron oxide is 5 milligrams per cubic meter.
(**) As respirable dust.
(*****) Subject to the reporting requirements of Sections 311, 312,
and 313 of the Emergency Planning and Community Right-
to-Know Act of 1986 and of 40CFR 370 and 372.
(b) The PEL for chromium (VI) is .005 milligrams per cubic meter as
an 8 hour time weighted average. The TLV for water-soluble
chromium (VI) is 0.05 milligrams per cubic meter. The TLV for
insoluble chromium (VI) is 0.01 milligrams per cubic meter.
(c) Values are for manganese fume. STEL (Short Term Exposure
Limit) is 3.0 milligrams per cubic meter. OSHA PEL is a ceiling
value.
(****) The TLV for soluble barium compounds is 0.5 mg/m
3
.
TLV and PEL values are as of October 2013. Always check Safety
Data Sheet (SDS) with product or on the Lincoln Electric website at
http://www.lincolnelectric.com
LISTED BELOW ARE SOME TYPICAL INGREDIENTS IN WELDING ELECTRODES AND
THEIR TLV (ACGIH) GUIDELINES AND PEL (OSHA) EXPOSURE LIMITS
INGREDIENTS
CAS No.
TLV mg/m
3
PEL mg/m
3
Aluminum and/or aluminum alloys (as AI)*****
7429-90-5
1.0
15
Aluminum oxide and/or Bauxite*****
1344-28-1
1. 0
5**
Barium compounds (as Ba)*****
513-77-9
0.5
0.5
Chromium and chromium alloys or compounds (as Cr)*****
7440-47-3
0.5(b)
0.5(b)
Hexavalent Chromium (Cr VI)
18540-29-9
0.05(b)
.005(b)
Copper Fume
7440-50-8
0.2
0.1
Cobalt Compounds
7440-48-4
0.02
0.1
Fluorides (as F)
7789-75-5
2.5
2.5
Iron
7439-89-6
10*
10*
Limestone and/or calcium carbonate
1317-65-3
10*
15
Lithium compounds (as Li)
554-13-2
15
10*
Magnesite
1309-48-4
10
15
Magnesium and/or magnesium alloys and compounds (as Mg)
7439-95-4
10*
10*
Manganese and/or manganese alloys and compounds (as Mn)*****
7439-96-5
0.02
5.0(c)
Mineral silicates
1332-58-7
5**
5**
Molybdenum alloys (as Mo)
7439-98-7
10
10
Nickel*****
7440-02-0
0.1
1
Silicates and other binders
1344-09-8
10*
10*
Silicon and/or silicon alloys and compounds (as Si)
7440-21-3
10*
10*
Strontium compounds (as Sr)
1633-05-2
10*
10*
Zirconium alloys and compounds (as Zr)
12004-83-0
5
5
