Lincoln Electric MINIFLEX Operator's Manual page 7

MINIFLEX ® PORTABLE WELDING FUME EXTRACTOR
LISTED BELOW ARE SOME TYPICAL INGREDIENTS IN WELDING ELECTRODES AND
INGREDIENTS
Aluminum and/or aluminum alloys (as AI)*****
Aluminum oxide and/or Bauxite*****
Barium compounds (as Ba)*****
Chromium and chromium alloys or compounds (as Cr)*****
Hexavalent Chromium (Cr VI)
Copper Fume
Cobalt Compounds
Fluorides (as F)
Iron
Limestone and/or calcium carbonate
Lithium compounds (as Li)
Magnesite
Magnesium and/or magnesium alloys and compounds (as Mg)
Manganese and/or manganese alloys and compounds (as Mn)*****
Mineral silicates
Molybdenum alloys (as Mo)
Nickel*****
Silicates and other binders
Silicon and/or silicon alloys and compounds (as Si)
Strontium compounds (as Sr)
Zirconium alloys and compounds (as Zr)
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.
THEIR TLV (ACGIH) GUIDELINES AND PEL (OSHA) EXPOSURE LIMITS
(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
7
CAS No. TLV mg/m PEL mg/m
3
7429-90-5 1.0
1344-28-1 1. 0
513-77-9 0.5
7440-47-3 0.5(b)
18540-29-9 0.05(b) .005(b)
7440-50-8 0.2
7440-48-4 0.02
7789-75-5 2.5
7439-89-6 10*
1317-65-3 10*
554-13-2 15
1309-48-4 10
7439-95-4 10*
7439-96-5 0.02
1332-58-7 5**
7439-98-7 10
7440-02-0 0.1
1344-09-8 10*
7440-21-3 10*
1633-05-2 10*
12004-83-0 5
SAFETY
3
15
5**
0.5
0.5(b)
0.1
0.1
2.5
10*
15
10*
15
10*
5.0(c)
5**
10
1
10*
10*
10*
5
.
3