NYC-WTC_000210844

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

o 631-467-8477 5-BORO SAMPLING » o i o |CALCULAnON FOR OSO 1D121Z125G- METALS IN AIR VIA CASSETTE FILTER (37MM MILLIPORE) & MOBILE VACUUM PUMPS METALS IN AIR co

I ■D o c o j A= Concentration of Analyte in sample solution (pg/ml) or (mg/L) CT o ro I o' jB=Conccntration of Blank in sample solation (pg/ml) or (mg/L) ■D o o co cn jSSV= Sample Solution Volume ASSV“ Analyte concentration x Sample Solution Volume AR= (A X SSV) - (B X BSV) I 3. cn 03 • BSV-BIank Sample Volume BBSV=BIank concentration x Blank Sample Volume AV o !rAB« Reagent Blank Concentration (pg/ml) or (mg/L) I o o c ! RABSV- Reagent Blank Sample Volume I 3 CD

!d= Dilution Factor (NONE) I Ino gravimetic factors For the Trip Blank Analytical Value: IAV= Air Volume Sampled AR= (B X BSV) - (RAB X RABSV) I lAR»AnaIytical Result AV I lARR^AnaljticalRcgortablcRcsnltln m^j/m^_>w(rounded^fft63^sigma)^^^^^_^^^^^_ I

0.061 100 6.1 0.064 100 6.4 -0.3 30 -0.01 Aluminum- Al <0.01 ■"0.042 100 4.2 '"d".‘0'23"' 100 2.3 1.9 30 0.0633333 Anfimony-Sb 0.06 -0.009 100 -0.9 ■"-6?6b’8"' 100 -0.8 -0.1 30 -0.0033333 Arsenic-As <0.01 ■"0.002 100 0.2 ■"o.b‘o2"' 100 0.2 0 30 0 Barium-Ba <0.01 ■■"obbg 100 -0.9 ■"-b?bb9" 100 -0.9 0 30 0 Beryllium-Be <0.01 -0.021 100 -2.1 ■"-6?b2'i"' 100 -2.1 0 30 0 Cadmium-Cd <0.01 0.551 100 55.1 ■"o.‘4'b2"' 100 40.2 14.9 30 0.4966667 Calcium-Ca 0.5 ■■■b'b'ie' 100 1.6 ■"b'b'ib"" 100 1.3 0.3 30 0.01 Chromium-Cr 0.01 ""-‘brbss 100 -5.5 ’’‘-b?656"' 100 -5.6 0.1 30 0.0033333 Copper-Cu <0.01 ■■■o.O42 100 4.2 ■"2.4‘9T"' 100 249.1 -244.9 30 -8.1633333 Iron-Fe <0.01 ■■"-b7oi2 100 -1.2 "■-o?bb9" 100 -0.9 -0.3 30 -0.01 Lead-Pb <0.01 '■"0.083 100 8.3 ■"o.b'68"' 100 6.8 1.5 30 0.05 Magnesium-Mg 0.05 ■■■0.038 100 3.8 ■"o.b’37"' 100 3.7 0.1 30 0.0033333 Manganese-Mn <0.01 o 100 100 30 Mercury-Hg <0.01 H K 0 100 0 0.001 100 0.1 -0.1 30 -0.0033333 Nickel-NI <0.01 I "0?79" 100 79 ■"0.695 100 69.5 9.5 30 0.3166667 Potassium-K 0.32

I o o’obs "-o.b'9 ■2.'7‘59 100 100 100 0.3 ■"d'b’oi’ -9 ■"-b‘."o'9 275.9 "~L817 100 100 0.1 -9 181.7 0.2 0 94.2 30 0.0066667 Selenium-Se 30 30 0 Silver-Ag <0.01 <0.01 o 100 3.14 Sodium-Na 3.14 Io 4X004 100 -0.4 “5j011 100 -1.1 0.7 30 0.0233333 Thallium-TI 0.02 o CO I. "oTof 100 1 ■"0.'0‘i8 100 1.8 -0.8 30 -0.0266667 Zinc-ZP <0.01 on LAB ID #01100273-006 cn NYCDEP - BAY STR & VICTORY BLVD. SI / tr-w 4 f“O t i a rr* « *