NYC-WTC_000210784

NYC 9/11 Public Portal Document PEDNEAUtr ASSOCIATES, INC. NYCDEP - WTC 631-467-8477 5-BORO SAMPLING METALS IN Aip ' ICALCULATION FOR OSHAID121/125G - METALS IN AIR VIA CASSETl’E FILTER (37MM MILLIPORE) & MOBILE VACUUM PUMPS | j A* Concentration of Analyte in sample solution (|xg/ml) or (mg/L) I jB=ConcentratIon of Blank in sample solution (pg/ml) or (mg/L) jSSV- Sample Solution Volume ASSVa Analyte concentration x Sample Solution Volume AR= 1 I ■ BSV=Blank Sample Volume BBSV= Blank concentration x Blank Sample Volume AV I !rAB= Reagent Blank Concentration (pg/ml) or (mg/L) ! RABSV=" Reagent Blank Sample Volume I !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 IAR=Analytical Result AV I lARR=Analyticai Rcjjortablc Result in m^/m^ (rounded off to 3-sigiha)

vA(mg/L) SSV (mL) Ax SSV - ASSV B|mg?Lj' B x BSV = BBSV ASSV -BSSVS AR ^ Liters fXR/AVi ;^-ANALYTE S- ARR mj/n? 0.086 100 8.6 0.073 100 7.3 IT 1.3 0.0433333 Aluminum- Al 0.04 ■"■0.041"" 100 4.1 bloTi 100 1.1 3 30 0.1 Antimony-Sb . ,0-1 - ■■"0.022^^^ 100 2.2 0.002 100 0.2 2 30 0.0666667 Arsenic-As 0.07 I ■■■■0.064“" 100 0.4 0.062 100 0.2 0.2 30 0.0066667 Barium-Ba <0.01 T ■■"o.o6V^ 122. 0.1 100 0 0.1 30 0.0033333 Beryllium-Be ^bioi r “■■o.66?"^ 100 0.1 o'boT 100 0.1 0 30 0 Cadmium-Cd <0.01 100 49.9 07273 100 27.3 22^ 30 0.7533333 Calcium-Ca 0.75 ■■“o.668"_ 100 0.8 b7oo5 100 0.5 0.3 30 0.01 Chromium-Cr 0.01 100 2.4 0.009 100 0.9 “Ts 30 0.05 Copper-Cu 0.05 ■■■■0.066^^ 3.6 30 100 6.6 0.036 100 __ 0.1 Iron-Fe 0.1 "■■o.oii"" 100 1.1 07007 100 0.4 30 0.0133333 Lead-Pb 0.01 “■■o.69£f^ 100 9.8 b7o57 100 8.7 4 4.1 30 0.1366667 Magnesium-Mg 0.14 ■■■■Q.oob^^ 100 0.8 100 30 0.005 0.5 0.3 0.01 Manganese-Mn 0.01 100 100 30 Mercury-Hg <0.01 o 0.004 ■■■■■b7o'6i‘ 100 0.4 100 -0.1 0.5 30 0.0166667 Nickel-NI 0.02 H ■“■o.6iSf^ ■■■■■o.O9i’ 100 8.4 100 9.1 -0.7 30 -0.0233333 Pofassium-K <0.01 ■■■■o.oi9^^^ 100 1.9 ■■■“-b766i 100 -Oil 2 30 0.0666667 Selenium-Se 0.07 S o 0 100 0 ■■■“-o.ofe' 100 -0.2 0.2 30 0.0066667 Silver-Ag <0.01 ""V.439"^’ 100 143.9 ■“”i74"i7 100 141.7 2.2 30 0.0733333 Sodium-Na 0.07 o I o ■■■'-oroof' 100 -0.1 ■■■■^766T 100 -0.1 0 30 0 Thallium-TI <0.01 o 0.06 100 6 0.031 100 3.1 2.9 30 0.0966667 Zinc-Zn 0.1 o bo co LAB ID #01100376-002 on o co LB NYCDEP-138TH& 3RD AVENUE BRONX r-/ Pll FP/MVrnCD.P 1 vie

NYC-WTC_000210787