NYC-WTC_000220592

z PEDNEAULT ASSOCIATES, INC. NYCDEP - WTC z ■<

o 631-467-8477 5-BORO SAMPLING o i 1^ I CALCULATION FOR OSHAID121/125G - METALS IN AIR VIA CASSETTE FILTER (37MM MILLIPORE) & MOBILE VACUUM PUMPS METALS IN AIR' ■ | co

■D o c o I A- Concentration of Analyte In sample solution (|Xg/ml) or (mg/L) J CT o I KJ o' KJ jB=Conccntration of Blank in sample solution (pg/ml) or (mgZL) • o ■D O cn I co ■SSV- Sample Solution Volume ASSV* Analyte concentration x Sample Solution Volume j AR= (A X SSV) - (B X BSV) 3. 51 ■ BSV-Blank Sample Volume BBSV-Blank concentration x Blank Sample Volume • AV I O !rAB= Reagent Blank Concentration (pg/ml) or (mg/L) ! o o c ! RABSV- Reagent Blank Sample Volume ! I 3 CD !d- Dilution Factor (NONE) > I Ino gravimetiC factors 1 For the Trip Blank Analytical Value: lAV-Air Volume Sampled j AR= (B X BSV) - (RAB X RABSV) I

lAR-Analytical Result I AV I ■ . . ■ ' ■ ■ ■■ *

lA^-Ansdytical Rywr^Ie-

100 10.1 0.126 100 12.6 -2.5 30 -0.0833333 Aluminum- Al <0.01 100 5.8 "0031 100 3.1 2.7 30 0.09 Antimony-Sb 0.09 .. 100 0 ^0007 100 -0.7 0.7 30 0.0233333 Arsenic-As 0.02 i' ■0?003 100 0.3 "o'.'o‘d3 100 0.3 0 30 0 Barium-Ba <0.01 "aodl 100 0.1 ■o.'ddi' 100 0.1 0 30 0 Beryllium-Be <0.01 '■'drool 100 0.1 ■aooT 100 0.1 0 30 0 Cadmium-Cd <0.01 I 0.593 100 59.3 "o^ 100 62.8 -3.5 30 -0.1166667 Calcium-Ca <0.01 j O^OQ-y 100 0.7 ”o'.'o'd'7 100 0.7 0 30 0 Chromium-Cr <0.01 j.......... ddi 100 1 ■d.'di3 100 1.3 -0.3 30 -0.01 Copper-Cu <0.01 I"....'dride 100 10.6 '2.'3'2‘4' 100 232.4 -221.8 30 -7.3933333 Iron-Fe <0.01 • 0.003 100 0.3 'adde 100 0.6 -0.3 30 -0.01 Lead-Pb <0.01 0.09 100 9 ‘dVdse 100 9.6 -0.6 30 -0.02 Magnesium-Mg <0.01 ! ojoTe 100 7.6 ’b’des 100 8.5 -0.9 30 -0.03 Manganese-Mn <0.01 o 100 100 30 Mercury-Hg <0.01 H I_____ 0^01 100 0.1 0.002 100 0.2 -0.1 30 -0.0033333 Nickel-NI <0.01 to i.... '"drdzd 100 7.3 '0.086 100 8.6 -1.3 30 -0.0433333 Potassium-K <0.01 (—1

s II.......-.. 0.021 —- — 100 2.1 ■-d'ooT 100 -0.1 2.2 30 0.0733333 Selenium-Se 0.07 O !_____ 0.001 100 0.1 'o.'o'di' 100 0.1 __ 30 0 Silver-Ag <0.01 o ”.2 o 100 189.7 100 120 69.7 30 2.3233333 Sodium-Na 2.32 Io o I 'rdjOM 100 -0.4 ^0.008 100 -0.8 0.4 30 0.0133333 Thallium-TI 0.01 to co ! ■drd’2'3 100 2.3 -OOM 100 2.8 -0.5 30 -0.0166667 Zinc-Zn <0.01 co cn ' LAB Td'#01 110051 -003 CD to NYCDEP - CENTRAL PK NO & LENOX-NYC