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석유함유 뿜칠재에 대한 석면비산안정화제 효율 평가 방안 연구
임호주,임정연,정현성,이주영,이우석 한국실내환경학회 2012 한국실내환경학회지 Vol.9 No.4
This study is to consider the introduction of the standard practice which test the asbestos stabilizer efficiency for the spray-applied ACBM, because asbestos stabilizer may be one of operation & management (O&M) program to prevent friable asbestos from spray-applied asbestos containing building materials(ACBM) and some countries like U.S and Japan have introduced the evaluation system or standard practice to test the efficiency of asbestos stabilizer which is used for spray-applied ACBM since 2002 and 2006,relatively. Efficiency test of 8 stabilizers which were manufactured from Japan, Australia and Korea was performed by the method of the Ministry of Land, Infrastructure, Transport and Tourism of Japan. The contents of test method were consisted adhesive strength, penetration depth, impact resistance and wind affection. The efficiency of impact resistance and wind affection was improved 4.1~37.4% and 75.2~95.7% after asbestos stabilizer applied on the spray-applied ACBM. Although the results of adhesive strength were less than that of non-applied materials but that was satisfied the ASTM standard (2.4kPa).
석면비산안정화제의 VOCs 및 Formaldehyde 방출 특성 연구
임호주,임정연,이우석,임현우 한국실내환경학회 2012 한국실내환경학회지 Vol.9 No.4
This study was performed to evaluate the type and concentration of TVOC and formaldehyde emitted from asbestos stabilizers, because the stabilizers can be applied on the surface of asbestos contained building materials(ACBM). The emission test of three organic and synthetic resins(OSBS) and five inorganic based stabilizers(IBS) were tested for 7 days. The amount of emission and concentrations of TVOC were measured using GC/FID and GC/MS. In case of formaldehyde, quantitative analysis was carried out using HPLC. The average concentrations of TVOC and formaldehyde of 8 stabilizers were 1.173 mg/m2․h and 0.007 mg/m2․h, respectively. The maximum TVOC concentration among five OSBS was 5.698 mg/m2․h and exceeded the TVOC emission standard(4.0 mg/m2․h) for general building materials. According to the this study results, the applied stabilizer can be role one of pollutant sources like paints, floor tile etc. The emission test has to be tested one of stabilizers efficiency to manage the indoor air quality of building.