Walk-Through Survey Report: Control Technology for Adhesives at National Veneer Plant, Broyhill Furniture Industries, Inc., Lenoir, North Carolina, September 1, 1982

摘要

A walk-through survey was conducted at the National Veneer facility, Broyhill Furniture Industries, Inc. (SIC-2435, SIC-2436), Lenoir, North Carolina to determine the effectiveness of control measures used at this facility. Specific attention was given to the control of formaldehyde (50000) vapors as they are emitted from heated process veneering operating using a urea/formaldehyde resin. This facility had a complete veneer manufacturing process including cutting the veneer from the logs. They manufactured laminated wood panels and parts. Each of the three radiofrequency (RF) presses in operation had a local exhaust system, and doors with gridded openings which formed the sides of the enclosure and permitted operator access. Time weighted average airborne formaldehyde samples were collected from the breathing zones of the press operators as well as from work area air. Breathing zone formaldehyde concentrations ranged from below 0.37 to 0.53 mg/m3. The highest worker exposure to formaldehyde appeared to be during the separation of the hot boards. With minor alterations in this activity, a backdraft could be created across the hot pieces and into the hood face. The author concludes that this facility represents an opportunity to observe a well-defined control method at three different levels of performance on three presses.