NYC-WTC_000220608

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

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

I [CALCUlJVnON FOR OSHA10121/1250-- METALS IfJ AIR, jyU <^5^^ (37W MIUJPORE) 8ej^OBlLE VACUUM PUMPS ■D o c o jA= Concentration of Analyte in sample solation (pg/ml) or (mg/L) CT o ro o' ro jB=Concentration of Blank in sample solution (pg/ml) or (mg/L) "0 o o CJ> ■SSV” SampIe Solution Volume ASSV- Analyte conccntrationxSampleSoIution Volume AR= (A X SSV) - (B X BSV) I cn 9L .BSV=Blank Sample Volume BBSV-Blank concentration x Blank Sample Volume AV I O !rABs Reagent Blank Concentration (pg/ml) or (mg/L) o o c !rABSV. Reagent Blank Sample Volume I 3 o 3 •d- Dilution Factor (NONE) I Ino gravimetic factors For the Trip Blank Analytical Value: I

lAV= Air Volume Sampled AR= (B X BSV) - (RAB X RABSV) I lAR=AnaIytical Result AV I IA^_»Analjtic^ t ________________

iBBSi 0.086 a 100 8.6 0.103 100 10.3 -1.7 30 -0.0566667 Aluminum-Al <0.01 100 6.7 “6.203 100 20.3 -13.6 30 -0.4533333 Antimony-Sb <0.01 0.014 100 1.4 ”6“653 100 5.3 -3.9 30 -0.13 Arsenic-As <0.01 ■■“6'.6'62" 100 0.2 ■■6"663 100 0.3 -0.1 30 -0.0033333 Barium-Bs <0.01 ■“■-odor 100 -0.1 ■-6"d6T 100 -0.1 0 30 0 Beryllium-Be <0.01 '“'o’.’doi'' 100 0.1 “6’6'63 100 0.3 -0.2 30 -0.0066667 Cadmium-Cd <0.01 100 38.7 ““6?35 100 35 3.7 30 0.1233333 Calcium-Ca 0.12 0.005 100 0.5 ““6?6i 100 1 -0.5 30 -0.0166667 Chromium-Cr <0.01 100 2.5 ■“o"d34 100 3.4 -0.9 30 -0.03 Copper-Cu <0.01 100 11 ”T26 100 126 -115 30 -3.8333333 Iron-Fe <0.01 6 100 0 "6”d67 100 0.7 -0.7 30 -0.0233333 Lead-Pb <0.01 ■““oTde- 100 6 “6'.'d54 100 5.4 0.6 30 0.02 Magnesium-Mg 0.02 ■■“6“d33'' 100 3.3 "d539 100 3.9 -0.6 30 -0.02 Manganese-Mn <0.01 o 100 100 30 Mercury-Hg <0.01 H ____ 0_ 100 0 0.004 100 0.4 -0.4 30 -0.0133333 Nickel-NI <0.01 K I 6'1'13' 100 11.3 ■—yis 100 15 -3.7 30 -0.1233333 Potassium-K <0.01 to

I o ““6'.'d46' “''6'.'o'62' ““i'.’8‘67 100 100 100 4.6 0.2 186.7 “0.075 '"o.ooi‘ “T.764 100 100 7.5 0.1 176.4 -2.9 0.1 10.3 30 -0.0966667 Selenium-Se 30 0.0033333 Silver-Ag 30 0.3433333 Sodium-Na <0.01 <0.01 0.34 o I o ““-'droo'd 100 -0.9 “0.062 100 -0.2 -0.7 30 -0.0233333 Thallium-TI <0.01 o ''''6'.'o'i'5' 100 1.5 “6'027 100 2.7 -1.2 30 -0.04 Zinc-Zn <0.01 CO CO CR LABTdVoI 110071 -004

NYCDEP - BERRY & NORTH BROOKLYN CH co/Mv/r'ncn 4 maat-i