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SKC Abrasive Blasting Sampler

For Heavy Metals

  • 4 L/min flow rate enhances sensitivity


  • Withstands mechanical stress during blasting


  • Low sensitivity to wind direction and velocity


  • Prevents filter damage from rebound particles


  • Reduces electrostatic effects


  • Small and lightweight


  • Uses most 25-mm filter materials


  • Reduces over sampling of very large particles


  • Provides equal distribution of particle loading and low intersample variation


  • Protects filter from overloading by large particles thrust onto the sample


  • Follows closely the ACGIH/ISO sampling criteria for inhalable particulate mass


  • Suitable for collecting bioaerosols for viable or non-viable analysis
Abrasive Blasting Sampler: BUTTON Sampler and Protective Shield 225-367
Abrasive Blasting Sampler:
Button Sampler and Protective Shield

Sample Time: Varies
Sample Rate: 4 L/min optimum
Sample Pump: AirChek XR 5000
Sample Media: 25-mm Filters

Button Sampler Instructions (PDF)

Abrasive Blasting Sampler Product Data Bulletin (PDF)

SKC Abrasive Blasting Sampler for Heavy Metals
SKC has combined the sampling efficiency of the patented Button Sampler for inhalable dust with the protection of a specially designed shield to create the SKC Abrasive Blasting Sampler for Heavy Metals. The reusable SKC Button Aerosol Sampler is a filter sampler with a porous curved-surface inlet designed to improve the collection characteristics of inhalable dust (< 100 µm aerodynamic diameter), including bioaerosols for total non-viable or viable microbial count. The conductive stainless steel inlet reduces electrostatic effects and contains evenly spaced holes that act as sampling orifices for multi-directional sampling capability and low sensitivity to ambient air effects. When combined with the protective shield, the Button Sampler becomes an efficient sampler for heavy metals in abrasive blasting environments *.

U.S. Patent Nos. 5,954,845 and 5,958,111
* The SKC Abrasive Blasting Sampler for Heavy Metals is not suitable for sampling silica. Silica is commonly found in abrasive blasting. However, sampling for silica using OSHA Method ID 142 requires a cyclone.


Sampler Proven Effective in Abrasive Blasting Environments
The SKC Abrasive Blasting Sampler for Heavy Metals has been used to monitor the personal exposure of workers performing abrasive blasting at four U.S. Military facilities. The sampler reliably withstood blasting operations that included very high particle concentrations containing metals such as lead, cadmium, and chromium. The sampler provided recoverable samples and meaningful exposure information.

Performance Profile

Flow Rate:
    4 L/min
The Button Sampler closely follows the ACGIH/ISO inhalability curve at 4 L/min. This provides optimum sampling. Sampling efficiency is maintained within ± 30% at flows ranging from 2 to 5 L/min.
Construction:
  Sampling inlet: Conductive stainless steel
  Body: Aluminum
  Support screen: Stainless steel
  Clip: Stainless steel and nylon
  O-rings: PTFE (inlet) and BUNA-N (body)
Filter:
    25 mm

Abrasive Blasting Sampler Operation

Sandblasting worker wearing SKC Abrasive Blasting Sampler225-367 Sampling Train

The SKC Abrasive Blasting Sampler for Heavy Metals is easy to operate. Simply load the conditioned and weighed 25-mm filter into the sampler, reassemble it, push the shield into place over top of the inlet, and clip it to a worker's collar. Connect the sampler to a sample pump capable of 4 L/min for personal exposure sampling following the ACGIH/ISO inhalable criteria. The pump can be clipped to the worker's belt. The sampler shows the same sampling efficiency standing freely as it does attached to a worker.

Ordering Information      

Description
Cat. No.
Abrasive Blasting Kit includes Button Sampler and protective shield Abrasive Blasting Kit 225-367
Accessories
Protective Shield, for abrasive blasting environments Protective Shield  225-366

Button Sampler Calibration Adapter

The Button Sampler Calibration Adapter is designed specifically for use with the Button Sampler and is easy to use. Simply place adapter onto sampler inlet, connect adapter inlet to a calibrator, and connect the Button Sampler outlet to a pump. Calibrate sample pump to the desired flow rate. Following calibration, remove adapter, press abrasive blasting shield onto Button Sampler inlet, and sample.
Note: It is not necessary to calibrate pump with shield in place, it does not affect flow rate.

Button Sampler Calibration Adapter 225-361
Filter Transport Case, for 25-mm filters, conductive plastic Filter Transport Case 225-67
Replacement O-ring, for Button Sampler
25-mm Filters Pore size Quantity
Cat. No.
Glass Fiber 1.0 µm
Liquid nominal pore size
500
PTFE with PMP support (Teflo®) 3 µm 50
Polyvinyl chloride (PVC) 5.0 µm 100
Mixed cellulose ester (MCE) 1.2 µm 100 225-1912
Gelatin, sterilized   50 225-9551
Gelatin filters dissolve when placed on agar.
Back pressure on PTFE filters can vary within the same lot. Maximum operating temperature is 464 F (240 C) based on the PMP support ring.

Button Sampler Instructions (PDF)

Abrasive Blasting Sampler Product Data Bulletin (PDF)


References
Kalatoor, S., Grinshpun, S., Willeke, K., "New Aerosol Sampler with Low Wind Sensitivity and Good Filter Collection Uniformity," Atmospheric Environment, Vol. 29, No. 10 (1995), pp. 1105-1112

Hauck, B., Grinshpun, S., Reponen, A., Reponen, T., Willeke, K., Bornschein, R., "Field Testing of New Aerosol Sampling Method With a Porous Curved Surface as Inlet," American Industrial Hygiene Association Journal, Vol. 58, No. 10 (1997), pp. 713-719

Aizenberg, V., England, A., Grinshpun, S., Willeke, K., Carlton, G., "Metal Exposures Among Abrasive Blasting Workers at Four U.S. Air Force Facilities," Applied Occupational and Environmental Hygiene, Vol 15, No 10 (2000), pp. 766-722


This page was last modified March 9, 2011
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