Laboratory report header, Oct 11, 2001

Z z o USX Engagers & Consultants Inc. o IH & Environmental Laboratories g 4000 Tech Center Drive II REPORT OF TEST RESULTS || DATE - 10/11/2001 co ’^°PH§NeP(412)825-2400 FAX: (412)825-2407 o PAGE - 2 AI HA Accreditation #322 Io “0 c o CT o Customer; CD-5544A ATTENTION; Dave Morris o' 00 P.T. & L. Environmental Services Work Requested by ; Dave Morris "0 co 411 Sette Drive Phone No. ; 201-262-4141 O 3- 00 CD o CUSTOMER P.O. # : 01-320 Paramus. NJ 07652-2912 SITE LOCATION ; GREENWICH

w G to TRACKING NUMBER; 14359 UEC ID CLIENT ID

321'11 79 BLANK-blank ANALYTE

SILICA. CRYSTALLINE-All) DATE SAMPLED TIME

09/2'1/01 (mln) PUMP RATE (LPM) AIR VOL. ANALYSIS SAMPLED (L) DATE

10/09/01 mg OUST rng/mT LOO mg QUARTZ

<0.010 C R Y S T A L I II t mg/m3 X N/A N/A mgI CRISTOBALITE mg/m3 <0.010 X N/A N/A SILICA

mg TRIDYMITE

<0.010 mg/m3 X N/A H/A L 0 D -

0.010 I M 32142 80 BLANK•BLANK OUST.TOTAL NUISANCE-AIR 09/24/01 10/05/01 ‘0.01 N/A 0.0! o 32142 80 BLANK-DLAKK SILICA. CRYSTALLINE-AIR 09/24/01 10/09/01 <0.010 N/A N/A <0.010 N/A H/A <0.010 N/A N/A 0.010 H H 32143 76 SILICA. BULK 09/24/01 10/09/01 1.04 0.01 0.033 3.2 <0.010 <1.0 <0.010 <1.0 0.010 O 32144 7B SILICA. BULK 09/24/01 10/09/01 0.96 0.01 0.065 6.B <0.010 <1.0 <0.010 <1.0 0.010 93 ?0 32145 79 SILICA. OULK 09/24/01 10/09/01 0.96 0.01 0.029 3.0 <0.010 <1.0 <0.010 O <1.0 0.010 H M 32.146 56500 DUST.TOTAL NUISANCE-AIR 09/25/01 450 2. 900. 10/05/01 0.40 0.53 0.01 O O H o 32146 50500 SILICA. CRYSTALLINE-AIR 09/25/01 450 2. 900. 10/09/01 <0.010 <0.011 <2.1 <0.010 <0.011 <2.1 <0.010: <0.01! <2.1 0.010 s < 32147 56501 OUST.TOTAL NUISANCE-AIR 09/25/01 450 2. 900. 10/05/01 0.39 0.43 0.01 a 132147 50501 SILICA. CRYSTALLINE-AIR 09/25/01 450 2. 900. 10/09/01 <0.010 <0.011 <2.6 <0.010 <0.011 <2.6 <0.010 <0.011 <2.6 0.010 mg o s a H 32140 56502 OUST.TOTAL NUISANCE-AIR 09/25/01 450 2. 900. 10/05/01 0.20 0.31 0.01

> 32140 50502 SILICA. CRYSTALLINE-AlR 09/25/0! 450 2. 900. 10/09/01 ‘0.010 <0.012 <3.6 <0.010 <0.012 <3.0 <0.010 <0.012 <3.5 0.010 S 32149 55933 OUST.TOTAL NUISANCE-AIR 09/26/01 600 1.7 1020. 10/05/01 0.79 0.77 0.01 O

to

W M 93 H

[.J o o co O NOTES: * - Information not supplied by client. < - less than. A - FILTER OR SINGLE STAGE MONITOR C - TUBE OR 2 STAGE MONITOR E - LIQUIDS OR SOLIDS J - FILTER + TUBE f - Information not requested by client. N/A - Not Applicable. 0 - TUBE D - OULK MATERIALS OR WIPES I - FILTER + TUBE H Time, flow rate and/or sample volume data are based on client supplied Information, unless otherwise noted. K I to

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