Merck

Exposure of mobile chipper operators to diesel exhaust.

The Annals of occupational hygiene (2013-10-29)
Natascia Magagnotti, Gianni Picchi, Gianfranco Sciarra, Raffaele Spinelli
ABSTRACT

The current boom of forest biomass is making mobile chippers increasingly popular among forest operators. This motivates concern about the potential exposure of chipper operators to noxious chemicals derived from diesel fuel combustion. The objective of this study was to determine operator exposure to BTEX (benzene, toluene, ethylbenzene, and xylenes) and polycyclic aromatic hydrocarbons (PAHs) generated from diesel combustion. This study sampled 28 mobile chipping operations in the Italian mountains, in order to determine professional exposure to BTEX and PAHs among chipper operators. IOM, Radiello®, and XAD2 samplers were used for the purpose. Operations were divided into industrial and small scale, the former based on powerful chippers with enclosed cabs and the latter on smaller machines without enclosed cabs. We could not detect any measurable exposure to BTEX, while exposure levels for PAHs were very low, especially for what concerned recognized cancer agents. That is likely related to work environment and organization because mobile chippers work in the open-air forest environment and in the presence of very few other machines. PAH concentration was significantly higher inside cabs than outside. None of the operators involved in this research was exposed to BTEX or PAHs above occupational exposure limits.

MATERIALS
Product Number
Brand
Product Description

radiello Filtration Kit, pk of 20
radiello BTEX/VOC Starter Kit, CS2 Desorption
Supelco
radiello BTEX Calibration Kit (CS2 Desorption)
radiello 1,3-Butadiene Starter Kit, Thermal Desorption, pkg of 1 kit (2 RAD141 adsorbing cartridges and barcode labels, 1 RAD1202 yellow diffusive body, 1 RAD121 triangular support plate, 1 instruction sheet)
radiello Diffusive Bodies, white, configured for general use, pk of 20
radiello On-Field Thermometer, Reader, pk of 1
Supelco
radiello Methylene Blue Calibration Standard for H2S (Hydrogen Sulfide), pkg of 100 mL
Supelco
radiello VOC Calibration Kit (Workplace Environment)
radiello Diffusive Bodies, yellow, configured for reduced sampling rates, pk of 20
radiello Empty Storage Tubes, glass (with stopper), volume 2.8 mL, pk of 100
radiello Empty Storage Tubes, polypropylene (with stopper), volume 12 mL, pk of 100
Supelco
radiello BTEX Calibration Kit (Thermal Desorption)
radiello Clips, suspending Radiello triangular support plate, pk of 20
radiello On-Field Thermometer, Includes one standard Radiello vertical adapter (RAD122) for each thermometer, configured for standard use, pk of 3
radiello Hydrogen Sulfide Starter Kit
radiello Diffusive Bodies, blue, configured for sampling light sensitive compounds, pk of 20
radiello Diffusive Bodies, permeative, configured for anaesthetic gases and vapors, pk of 20
radiello BTEX/VOC Starter Kit, Thermal Desorption
Supelco
radiello Aldehyde Calibration Standard, 50 μg/mL each component in acetonitrile, pkg of 10 mL
radiello Cartridge Adsorbents, for sampling BTEX and VOCs (thermal desorption), matrix SS net (3 x 8 μm, 4.8 mm diam.), Carbograph, pk of 20
radiello Triangular Support Plate, pk of 20
radiello Cartridge Adsorbents, for sampling Aldehydes, matrix SS net with 2,4-DNPH coated FLORISIL®, pk of 20
radiello Vertical Adapter, threaded for standard use, pk of 20
radiello Cartridge Adsorbents, for sampling BTEX and VOCs (CS2 Desorption), matrix SS net (100 mesh, 5.8 mm diam.), activated with activated charcoal (30-50 mesh), pk of 20
radiello Barcode Labels, pk of 198
radiello Anesthetic Gases and Vapor Sampler
radiello Cartridge Adsorbents, for sampling Anaesthetic Gases/Vapors, matrix SS net with mix of mol sieve and activated charcoal (30-50 mesh), pk of 20
radiello Cartridge Adsorbents, for sampling Ammonia (NH3), matrix microporous PE impregnated with phosphoric acid, pk of 20
radiello Outdoor Shelter, pk of 10
radiello Replacement Mounting Strips, for use with Radiello Outdoor Shelter, pk of 100