NYC-WTC_000220592

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o 631-467-8477 5-BORO SAMPLING o io METALS IN AIFT co

[CALCULATlQlSr TOR QStU 10^21/1250- METALS IN AIR VIA CASSETTE FILTER (37MM MILLIPORE) & MOBILE VACUUM PUMPS | I ■D o c o jA= Concentration of Analyte in sample solution (^g/ml) or (mg/L) CT o I ro o' ro jB=Concentration of Blank in sample solation (pg/ml) or (mg/L) ■D o o CJ> o 'SSV“ Sample Solution Volumc ASSV- Analytc conccntration x Sample Solution Volume AR= (A X SSV) - (B X BSV) I 3. 03

■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 O ! D- Dilution Factor (NONE) I Ino GRAVIMETIC FACTORS TB- TRIP/HELD BLANK For the Trip Blank Analytical Value: AR= (B X BSV) - (RAB X RABSV) I IAV= Air Volume Sampled |AR=Analytical Result AV I I ARR=Analytical Rejmrt^leJRemlHn m^/m^^Troun^d^offm ^sigma)

ES ^ANALYTElg 0.126 100 12.6 0.117 100 11.7 0.9 30 0.03 Aluminum-Al 0.03 “ojoai' 100 3.1 "0.03? 100 3.1 0 30 0 Antimony-Sb <0.01 -03667' 100 -0.7 -0.067 100 -0.7 0 30 0 Arsenic-As <0.01 "0?003 100 0.3 ■0.063 100 0.3 0 30 0 Barium-Ba <0.01 ‘■6?66r 100 0.1 ■o.‘o’6i‘ .. 100 0.1 0 30 0 Beryllium-Be <0.01 "ojooT 100 0.1 100 0 0.1 30 0.0033333 Cadmium-Cd <0.01 ‘0?628 100 62.8 ■O."587 100 58.7 4.1 30 0.1366667 Calcium-Ca 0.14 ■0?007 100 0.7 ’6'.o52 100 0.2 0.5 30 0.0166667 Chromium-Cr 0.02 '0?013' 100 1.3 "0^4 100 1.4 -0.1 30 -0.0033333 Copper-Cu <0.01 "2?324 100 232.4 ■q’Ts? 100 13.7 218.7 30 7.29 Iron-Fe 7.29 ■0?006 100 0.6 "oSoe 100 0.6 0 30 0 Lead-Pb <0.01 ■0?096 100 9.6 "o’.'o'eo 100 6.9 2.7 30 0.09 Magnesium-Mg 0.09 “ojoes 100 8.5 ■6'O48’ 100 4.8 3.7 30 0.1233333 Manganese-Mn 0.12 o 100 100 30 Mercury-Hg <0.01 H 0.002 100 0.2 0 100 0 0.2 30 0.0066667 Nickel-NI <0.01 K I "0?086 100 8.6 6’.()88 100 8.8 -0.2 30 -0.0066667 Potassium-K <0.01 to

o I ■-ojooT “ojooi' T.2 100 100 100 -0.1 0.1 120 O.()63 o'.()6T W3 100 100 100 0.3 0.1 188.3 -0.4 0 -68.3 30 -0.0133333 Selenium-Se 30 0 Silver-Ag 30 -2.2766667 Sodium-Na <0.01 <0.01 <0.01 o Io ■■6?6o8 100 -0.8 -O.’o’67’ 100 -0.7 -0.1 30 -0.0033333 Thallium-TI <0.01 o ■o?O28 0.‘0’94‘ 100 2.8 100 9.4 -6.6 30 -0.22 Zinc-Zn <0.01 CO CO CT LAB ID #01110051-008 O NYCDEP - TRIP/FIELD BLANK n■/ll=^3 Pll PQZMVr'nCD. -unnc-l