NYC-WTC_000220498

NYC 9/11 Public Portal Document

PEDNEAULT ASSOCIATES, INC. NYCDEP - Wre 631-467-8477 5-BORO SAMPLING METALS IN AIR I CALCULATION POR OSHAIP121/125G-- METALS IN AIR VIA CASSE ri E FILTER (37MM MILLIPORE) & MOBILE VACUUM PUMPS ], jA= Concentration of Analyte in sample solution (pg/ml) or (mg/L) I jB=Concentration of Blank in sample solution (pgZml) or (mg/L) •SSV- Sample Solution Volume ASSV« Analyte concentration x Sample Solution Volume AR= (A X SSV) - (B X BSV) I • BSV=Blank Sample Volume BBSV=Blank concentration x Blank Sample Volume AV I !rAB= Rcagcnt Blank Concentration (pg/ml) or (mg/L) ! RABSV- Reagent Blank Sample Volume I Jd- Dilution Factor (NONE) I Ino gravimetic factors I For the Trip Blank Analytical Value; I AR= (B X BSV) - (RAB X RABSV) I I AV-Air Volume Sampled I AR=Analytical Result AV I lAR^AnsJyticJ ®tej»ort^lcBesttllT^m^j^^^rottn^^ff^3^gm^_

■$ARRrh^(i^< 100 7.8 0.073 100 7.3 0.5 30 0.0166667 Aluminum-Al 0.02 100 1.6 ■“■b'oiY 100 1.1 0.5 30 0.0166667 Antimony-Sb 0.02 HoSo?"" 100 0.7 ■"0.002 100 0.? 0.5 30 0.0166667 Arsenic-As 0.02 •------ ........ ! 0.002 100 0.2 '■"a5o2 100 0.2 0 30 0 Barium-Ba <0.01 100 0 100 0 0 30 0 Beryllium-Be <0.01 ! b...... 100 0 '■■■b.boY 100 0.1 -0.1 30 -0.0033333 Cadmium-Cd <0.01 [■“oTaoe"" 100 30.6 '''0.273 100 27.3 3.3 30 0.11 Calcium-Ca 0.11 i"'~d'.bb3~'' 100 0.3 '■“ocos 100 0.5 -0.2 30 -0.0066667 Chromium-Cr <0.01 i""o.bii"" 100 1.1 ■"d"o'O9 100 0.9 0.2 30 0.0066667 Copper-Cu <0.01 :"“d‘bi7'" 100 1.7 '"b.'o'36 100 3.6 -1.9 30 -0.0633333 Iron-Fe <0.01 i.... "d 100 0 '"d"o'O7| 100 0.7 -0.7 30 -0.0233333 Lead-Pb <0.01 i“"o.b59"'' 100 5.9 ■"d"o'57 100 5.7 0.2 30 0.0066667 Magnesium-Mg <0.01 1.2 "'b.06‘5 100 0.5 0.7 30 0.0233333 Manganese-Mn 0.02 Q 100 100 30 Mercury-Hg <0.01 !...... "0...... . 100 0 -0.001 100 -0.1 0.1 30 0.0033333 Nickel-NI <0.01 to I—i iZ^Z I -0.006 100 100 58.6 -0.6 -0.001 100 100 9.1 -0.1 49.5 -0.5 30 1.65 Potassium-K 30 -0.0166667 Selenium-Se 1.65 <0.01 S O I ■"•bjoba"" 100 -0.2 ■"■■-b.()62 100 -0.2 0 30 0 Silver-Ag <0.01 o o ■"ass’'""' 100 85 ■■~T.'4'i7 100 141.7 -56.7 30 -1.89 Sodium-Na <0.01 I o 100 0 ■■■-b.'o'oi' 100 -0.1 0.1 30 0.0033333 Thallium-TI <0.01 o to I ■"o.oi8'''’ 100 1.8 '""d"63T 100 3.1 -1.3 30 -0.0433333 Zinc-Zn <0.01 co co LAB Yd #01100376-005

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NYC-WTC_000220507