Document 1gY6Rg70VJrXBEn11vr8N2K1a

S4T Hp 4 BASUREMBfT AMD COMTROL DP 1--IITiJl DUST EXPOSURE APRA. Mm THte Page Rev March it71 c . The fallowing adapter is rariui--saih if to cam oonnecuau between fee eaaaatte ami fee Vi ferii Catalog No. I960--MS syringe needle adaptor to l/*>tnfe tahing, A. H. Tbaui Co Philadelphia, PA 1910S TAI Qualified Laboratories G. W. HkUtoa E. L da Pool de Neman A Co WarfeaQ Laboratory SSOO Gray* Ferry Arcane Philadelphia, PA 19146 7J Prooadura. Haskell Laboratory Field Serrieea Group aball be contacted tor specific recommendations as to duration, frequency, and technique tor sampling prior to embarking on t sampling program. 74.1 Flow through fee pmap feoold be calibrated, with the filter in line for each ptmtp. 744 Paraoratal tamping. Filter bolder ie clipped to lapel or shirt packet ae doae to breathing none aa passible. Filter shall bare laee boriaootol or shgbtly downward, never op. 7X2 Environmental Imping. Tbeae aaanples are taken from a fined location to give a general pattern of ex posure in a work position or area. Filter ploeed aa doae to breathing tone representative of the work area. 74 Anelyila Completed samples (exposed filters) are placed in a mailing tube, sealed, and aaast to a qualified laboratory with two copies of the sampling record. 7A1 h recommended that aa nssexpoaed filter be included with each batoh of samples far reference. 744 All determinations shall be made by the membrane filter method at 400--450X (magnifi cation! (4mm objective) with phase contrast illumination. Graduate School of Public Health University af Pkteburgh Pittsburgh, PA 1S213 W. A. Burgess 31 Fa Hill Street 'Westwood, MA 02090 74 Reeord Keeping. Records of personaei sod en vironmental monitoring shall be maintained for three (3) years and made available upon the request of authorised representatives of OSHA and N10SH (National Institute of Occtqtauooal Safety and Health). 74 Caution Signs and Labais 74.1 Caution signs conforming to Figure 1 shall be pasted at all approaches to areas where asbestos con centrations may be above permissible exposure limits. They shall be placed at a sufficient distance to permit an employee to read the signs and take necessary precauuom before entering the area. 744 Caution labels conforming to Figure 2 shall be used to identify containers of raw materials, scrap, waste, other products containing asbestos, and asbestos contaminated clothing. + 1M TO m < Foritoni printed m red meet 0SHA resolutions, Section 1910.1001 (formerly ,93o). DU 062129 0UP "90?