SAFETY BRIEF: PPE, BY THE NUMBERS Gardner MA

The following contains industrial and manufacturing information you should know about PPE by the numbers. Read on if you or a loved one is interested in wood maintenance, safety, and news in Gardner.

Local Companies

Sunrise Marketing Associates Inc
(978) 922-4959
100 Cummings Ctr
Beverly, MA
Structural of New England
(781) 828-5300
425 Turnpike St
Canton, MA
A D Sales Inc
(978) 851-5400
1057 East St
Tewksbury, MA
Gerstman Harvey Associates
(508) 995-4848
34 Welby Rd
New Bedford, MA
Edward R Stephen Co Inc
(978) 667-6399
10 Dunham Rd
Billerica, MA
Ctc Associates Inc
(781) 326-5873
12 S West Park
Westwood, MA
Adcour Inc
(781) 937-0011
623 Main St Ste 13
Woburn, MA
Green & Green Associates
(978) 266-9460
Acton, MA
Stickney Engineering Assoc
(978) 664-1119
38 Mid Iron Dr
North Reading, MA
Abrams A J Co
(781) 784-6700
21 Manomet Rd
Sharon, MA

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This month, Fabricating & Metalworking publishes a brief reference for some of the more intricate personal-protective-equipment requirements named throughout the OSHA regulations: namely, specific guidelines for selecting welding lenses, laser safety glass for goggles and, for ear protection, permissible noise exposure levels. (Source: OSHA's educational document on PPE, 3151-12R, 2003.)

Selecting Laser Safety Glass
Intensity, CW maximum power density (watts/cm2)Attenuation
Opticaldensity (O.D.)Attenuation factor
Source: 29 CFR 1926.102(b)(2)
10-25105
10-16106
1.07107
10.08108
Permissible Noise Exposures
Duration per day, in hoursSound level in dB*
890
692
495
397
2100
1 1/2102
1105
1/2110
1/4 or less115

Filter Lenses for Protection against Radiant Energy
OperationsElectrode size in 1/32 inch (0.8 mm)Arc currentMinimum*protective shade
Shielded metalarc welding< 3
3 - 5
5-8
> 8
< 60
60 - 160
160 - 250
250 - 550
7
8
10
11
Gas metal arc welding and flux cored arc welding< 60
60 - 160
160 - 250
250 - 500
7
10
10
10
Gas tungsten arc welding< 50
50 - 150
150 - 500
8
8
10
Air carbon arc cutting(light)
(heavy)
< 500
500 - 1,000
10
11
Plasma arc welding< 20
20 - 100
100 - 400
400 - 800
6
8
10
11
Plasma arc cutting(light)**
(medium)**
(heavy)**
< 300
300 - 400
400 - 800
8
9
10
Torch brazing3
Torch soldering2
Carbon arc welding14
OperationPlate thickness (inch)Plate thickness (mm)Minimum* protective shade
Note: The data on this page are for informational purposes only and does not represent an official interpretation of safety rules and regulations.
Gas welding: Light
Medium
Heavy
< 1/8
1/8 - 1/2
> 1/2
< 3.2
3.2 - 12.7
> 12.7
4
5
6
Oxygen cutting:Light
Medium
Heavy
< 1
1 - 6
> 6
< 25
25 - 150
> 150
3
4
5

Featured Local Company

Summit Mfg. Corp.

401-723-6272
248 Pine Street
Pawtucket, RI