PCM fiber results lab report, Aug 1998

z ( ( Z o o 6ci! Job#: 98-08-68G5 co § Client Name: Applied Technology Services, Inc. o U o Pha.se Contrast Microscopy (PCM) Fiber Results c o CT 00 A98113; 7th & Sth Floor-Finals o' 03 KJ U O CO Flow Air Fiber Fibers 3. O 03 SciLab Client D®*® Rate Duration Filtered Density Cone. Fields Fibers TWA Sample # Sample # i Location Cuiiecied (liters/min.) (min.) (liters) (Fibers/mm ) (Fibers/ee) o o o c 01 34082098-01 8/20/98 0 0 0 100 0.5 0.64 3 Footnotes: ; CD Field Blank 02 34082098-02 8/20/98 0 0 0 100 0.5 0.64 Field Blank Footnotes: /

03 inside 34082098-03 8/20/98 15 80 1200 100 4 5.10 < 0.002 7tb Flr.-Tent #59 04 outside 34082098^04 8/20/98 15 80 1200 100 5 6.37 < 0.002 7th Flr.-Tent #59 05 inside 34082098-05 8/20/98 15 80 1200 100 13 16.56 0.005 Sth Fk.-Tfcnt#60 06 outside 34082098-06 8/20/98 15 80 1200 100 4 5.10 < 0.002 8th Flr.-Tent #60 07 inside 34082098-07 8/20/98 15 80 1200 100 7 8.92 0.003 8tb Flr.-Tent #61 08 outside 34082098-08 8/20/98 15 80 1200 100 5 6.37 < 0.002 8th Flr.-Tent #61 09 inside 34082098-09 8/20/98 IS 80 1200 100 7 8.92 0.003 Sth Flr.-Tent #62 10 outside 34082098-10 8/20/98 15 80 1200 100 4 5.10 < 0.002 Sth Flr.-Tent #62 Reporting Notes: (1) Fibers/cc cannot be calculat^d^ san^ey^Kblanks) with no air volume. Analyzed by: Marvin Brothers jl \ V—------ —"_________ ; Date Analyzed: 8/20/98 o Samples analyzed by NIOSH 7400(A)ME™OD71ssiie#278n5/94rLimit of Detection = 5.5 fibers per 100 fields or 7 fibers / mm2; This report relates ONLY to the sample analysis expressed H K as fibers/sq mm of filter area; ND = no fibers observed; NA = Not Analyzed; Walton - Beckett gradicule field area 0.00785 mm2; Duration in minutes; TWA = 8Hr TWA calculation assumes I zero exposure for remainder of 8 hour period not sampled; Upper 95% Confidence Limit (Employer’s Compliance Test) - Calculated as a one sided UCL to determine 95% certainty of to

S compliance with the 0.01 fiber/cc standard; Estimated relative standard deviation: Intralab Sr = 0.270, Interlab Sr = 0.450. ELAP #11480 O o o 1^ o co

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