NYC-WTC_000210816

PEDNEAULT ASSOCIATES, INC. NYCDEP - WTC z z ■< 631-467-8477 5-BORO SAMPLING ■<

o o io jCALCULA^QN FOR pSHA 1P121 /125G- METALS IN AIR VIA CASSETTE FILTER (37MM MILLIPORE) & MOBILE VACUUM PUMPS METALS IN AIR | co

I ■D o jA= Concentration of Analyte in sample solation (pg/ml) or (mg/L) c o I CT o ro jB=Conccntration of Blank in sample solution (|ig/ml) or (mg/L) o' ■D o o 00 jSSV- Sample Solution Volume ASSV« Analyte concentration x Sample Solution Volume AR= (A X SSV) - (B X BSV) I 3. ro cn 03 ■BSV=Blank Sample Volume BBSV=Blank concentration x Blank Sample Volume AV I o !rAB= Reagent Blank Concentration (|xg/ml) or (mg/L) o o c !rABSV= Reagent Blank Sample Volume I 3 CD O Jd- Dilution Factor (NONE) 1 Ino gravimetic factors For the Trip Blank Analytical Value: IAV= Air Volume Sampled AR= (B X BSV) - (RAB X RABSV) I lAR^Analytical Result AV I lARR^Analjtical Rejportable Result in m^m^ (rounded off to 3-sigma)

0.11 100 11 0.086 100 8.6 2.4 30 0.08 Aluminum- Al 0.08 100 7.3 "“0.058 100 5.8 1.5 30 0.05 Antimony-Sb 0.05 -0.003 100 -0.3 -0.005 100 -0.5 0.2 30 0.0066667 Arsenic-As <0.01 d.bo3““ 100 0.3 "“b.dbs 100 0.3 0 30 0 Barium-Ba <0.01 100 0 100 0 0 30 0 Beryllium-Be <0.01 ““b'boi 100 0.1 "b.ooT 100 0.1 0 30 0 Cadmium-Cd <0.01 ““d.417"‘ 100 41.7 ■■■b.422 100 42.2 -0.5 30 -0.0166667 Calcium-Ca <0.01 ““d.boe"” 100 0.6 "■d.bo7 100 0.7 -0.1 30 -0.0033333 Chromium-Cr <0.01 b’dbb’ 100 0.9 "“0009 100 0.9 0 30 0 Copper-Cu <0.01 “"0.039"" 100 3.9 ‘b.W4 100 10.4 -6.5 30 -0.2166667 Iron-Fe <0.01 ""d.bo7"" 100 0.7 ““0.006 100 0.6 0.1 30 0.0033333 Lead-Pb <0.01 0.067"" 100 6.7 ““b‘.d77 100 7.7 -1 30 -0.0333333 Magnesium-Mg <0.01 ""0.042"" 100 4.2 ’“0.039 100 3.9 0.3 30 0.01 Manganese-Mn 0.01 o 100 100 30 Mercury-Hg <0.01 H 0 100 0 -0.001 100 -0.1 0.1 30 0.0033333 Nickel-NI <0.01 K 100 15.6 “o^ 100 14.8 0.8 30 0.0266667 Potassium-K I 0.03 to 'b’boT I o 100 100 100 1.1 0.1 199.9 ‘b'boT “Zis 100 100 100 0.1 0.1 215 1 0 -15.1 30 0.0333333 Selenium-Se 30 0 Silver-Ag 30 -0.5033333 Sodium-Na 0.03 <0.01 <0.01 o I o -0.01 100 -1 -b'oiT 100 -1.1 0.1 30 0.0033333 Thallium-TI <0.01 o "“6^016 100 1.6 ■ooie 100 1.6 0 30 0 Zinc-Zn <0.01 CO CD PED ID #01100027-005 CO NYCDEP -ATLANTIC AV & SMITH STR. BROOKLYN Pli pQZMvr'nt=D.u^v^<AT/,^^^1nnno7 vio