NYC-WTC_000220592

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

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

I o [CALCULATION FOR OSHAID121/125G- METALS IN AIR VIA C^ETOE FILTER (37MM MltyPORE) & MOBILE VACUUM PUMPS { 0 I ■D c o o JA- Concentration of Analyte in sample solution (ng/ml) or (mg/L) CT ro I o' ro jB=Concentration of Blank in sample solution (pg/ml) or (mg/L) ■D o o cn *SSV» Sample Solution Volume ASSV- Analyte concentration x Sample Solution "Volume AR= (A X SSV) - (B X BSV) I 3. co 03 cn !bSV= Blank Sample Volume BBSV«BIank concentration x Blank Sample Volume AV o 1 o !rAB= Reagent Blank Concentration (|xg/ml) or (mg/L) o c ! RABSV= Reagent Blank Sample Volume I 3 CD

■d- Dilution Factor (NONE) I Ino gravimetic factors For the Trip Blank Analytical Value: I I AV= Air Volume Sampled AR= (B X BSV) - (RAB X RABSV) lAR-Analytical Result AV I IA^=An^ti^ ______

0.12 100 12 0.126 100 12.6 -0.6 30 -0.02 Aluminum- Al <0.01 ~~"o.'o~7T"' 100 7.1 'O-OOT 100 3.1 4 30 0.1333333 Antimony-Sb 0.13 “bbo^ 100 0.6 -0.007 100 -0.7 1.3 30 0.0433333 Arsenic-As 0.04 ■■■*0.063”’ 100 0.3 "oSoa 100 0.3 0 30 0 Barium-Ba <0.01 "■■Q'bor** 100 0.1 ’o.ooi 100 0.1 0 30 0 Beryllium-Be <0.01 ■***d*.*o*oi**** 100 0.1 “oSioT 100 0.1 0 30 0 Cadmium-Cd <0.01 ■■■■■6?63***‘ 100 63 *0.628 100 62.8 0.2 30 0.0066667 Calcium-Ca <0.01 ■****6bT**** 100 1 '0.'0’07 100 0.7 0.3 30 0.01 Chromium-Cr 0.01 0.01 100 1 *0013 100 1.3 -0.3 30 -0.01 Copper-Cu <0.01 0.23 100 23 ■2jS 100 232.4 -209.4 30 -6.98 Iron-Fe <0.01 0.01 100 1 'o’o’o'e 100 0.6 0.4 30 0.0133333 Lead-Pb 0.01 100 9.2 ■oboe 100 9.6 -0.4 30 -0.0133333 Magnesium-Mg <0.01 ■■■■6*;o*i*9**** 100 7.9 ■"bbes 100 8.5 -0.6 30 -0.02 Manganese-Mn <0.01 o wo 100 30 Mercury-Hg <0.01 H K wo 0.3 ■b.*0*02 100 0.2 0.1 30 0.0033333 Nickel-NI <0.01 I 0.095 100 9.5 ■■bbse 100 8.6 0.9 30 0.03 Potassium-K 0.03

o I "■■b*bi9****’ ■■■■6*.*o*6i”** ■■■■2.b37**"' 100 100 100 1.9 0.1 203.7 -b.b6i‘ "bboT L2* 100 100 100 -0.1 0.1 120 2 0 83.7 30 0.0666667 Selenium-Se 30 30 0 Silver-Ag 2.79 Sodium-Na 0.07 <0.01 2.79 o Io ■■■"bbiw"*' 100 -0.4 -b.bo8‘ 100 -0.8 0.4 30 0.0133333 Thallium-TI 0.01 o ■■■■b‘b24**" ■"b.*0’28' 100 2.4 100 2.8 -0.4 30 -0.0133333 Zinc-Zn <0.01 CO CO CR LAB ID #01110051-002 LO O NYCDEP - 138TH & 3RD AVENUE BRONX cril C"O/Mvyz^r\r-n u a ■< nnr