NYC-WTC_000210844

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

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

ICALCULAnON POR OSHA XpX?l/n5G- METAI^ IN AlK^IAXgAjSS^E FILTER (37MM MIIXIPORE) & MOBILE VACUUM PUMPS y| I ■D o c o jA= Concentration of Analyte in sample solution (pg/ml) or (mg/L) CT o I o' ro jB=Concentration of Blank in sample solution (pg/ml) ■D o o 00 cn ■SSV" Sample Solution Volume ASSV= Analyte concentration i Sample Solution Volume AR= (A X SSV) - (B X BSV) I 3. co 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- Dilation Factor (NONE) I Ino gravimetic factors TBS TRIP/FTF.I.D BIANK For the Trip Blank Analytical Value: I AV= Air Volume Sampled AR= (B X BSV) - (RAB X RABSV) I IAR=Analytical Result AV I I ARR-Analytical Reportable Result in m^/m? (rounded offto3-sigma)

•A(mg/L)SSVCTit<^^svwassv tSE-S B xBSV^BBSV ASSV-BSSV =^AR AVXlfefs BBRRmgZtfQ 0.076 100 7.6 0.064 100 6.4 1.2 30 0.04 Aluminum- Al 0.04 oToS 100 2.9 ■"O.O23”" 100 2.3 0.6 30 0.02 Antimony-Sb 0.02 "-oroog__ 100 __________ -0.9 “.668^ 100 -0.8 -0.1 30 -0.0033333 Arsenic-As <0.01 0?002 100 0.2 "'0.002'" 100 0.2 0 30 0 Barium-Ba <0.01 Zo.oi 100 -1 ■■■-O?6O9“' 100 -0.9 -0.1 30 -0.0033333 Beryllium-Be <0.01 ‘-O?621 100 -2.1 "■-O.O?!"' 100 -2.1 0 30 0 Cadmium-Cd <0.01 0^13 100 __________ 51.3 ■0.402"' 100 40.2 11.1 30 0.37 Calcium-Ca 0.37 100 ___________ 1 ■"o.()i3"” 100 1.3 -0.3 30 -0.01 Chromium-Cr <0.01 '-oros? 100 -5.7 “^ojose” 100 -5.6 -0.1 30 -0.0033333 Copper-Cu <0.01 0:02'8____ 100 __________ 2.8 ’“2.49T”' 100 249.1 -246.3 30 -8.21 Iron-Fe <0.01 '-0:013 100 -1.3 “^6^009“ 100 -0.9 -0.4 30 -0.0133333 Lead-Pb <0.01 0:0'75 100 7.5 ■■■o.O68”' 100 6.8 0.7 30 0.0233333 Magnesium-Mg 0.02 0:037 100 3.7 '"0.037"' 100 3.7 0 30 0 Manganese-Mn <0.01 o 100 100 30 Mercu7-Hg <0.01 H -0.001 100 -0.1 0.001 100 0.1 -0.2 30 -0.0066667 Nickel-NI <0.01 K I to ■0J37 100 73.7 ■"0.695”' 100 69.5 4.2 30 0.14 Potassium-K 0.14

I o 0.^EE -0.089 "2J25 100 100 100 0.3 “aooT" -8.9 ■■■■-0.09'" 232.5 100 100 100 0.1 -9 181.7 0.2 0.1 50^ 30 0.0066667 Selenium-Se 30 0.0033333 Silver-Ag 30 1.6933333 Sodium-Na <0.01 <0.01 1.69 o Io '-0?006 100 -0.6 “■-o?6Ti"" 100 -1.1 0.5 30 0.0166667 Thallium-TI 0.02 o ”0?009 100 0.9 “"ooiF” 100 1.8 -0.9 30 -0.03 Zinc-Zn <0.01 CO CB LAB ID #01100273-008 cn CO NYCDEP - DUPLICATE OF #01100273-001 « r“ii rr* i ia « a n- a