Document VBzbb2m54z4vEE6EJzYNeGrj

3M BRAND ORGANIC VAPOR MONITOR PRODUCT NO. 3500 Qualification Data for Vinyl Chloride SAMPLING AND ANALYSIS INFORMATION Monitor Sampling Rate Recovery Coefficient Upper Exposure Limit U) 40.7 cmP/min. 0.90 in CSi 187 mg. (30 ppm-hours) COMPOUND PROPERTIES AND DATA Molecular Weight Published Diffusion Constant (2) Density T.W.A. (TLV) 62.50 Not Available 1.0 ppm SPECIAL CONSIDERATIONS Sample Storage Precautions Humidity Effects The Upper Exposure Limit at 90__ y0 (T.H.fe Ceiling Level Monitoring <3> Nf&nei a Upper Exfposure Limit Substantially Reduced 5 ppm-hours Not Recommended CALCULATION PROCEDURE A = mass of analyte in micrograms B = sampling time in minutes Substitute A & B into equations below: mg , rrP ppm<41 = 24.57 x A_________ recovery coefficient x B ________9.61 x A _______ recovery coefficient x B _ = 27.30 x A B 10.68 x A B Footnotes: (1) This number is the highest concentration of the compound actually measured by the 3M Lab. (2) Diffusion constants are provided for general interest. They are not required in the calculation procedure. (3) A minimum sampling time of 15 minutes is required. (4) ppm based on 25 C. 760 mm Hg. R-35QDS-18/4-80 3H 008310