NYC-WTC_000220544

NYC 9/11 Public Portal Document

PhDNEAULT ASSOCIATES, INC. it; NYCDEP - WTC 631-467-8477 5-BORO SAMPLING METALS IN AIR fCALCULATION FOR OSHA ID121/125G~ METALS IN AIR VU CASSETTE FILTER (37MM MILLIPORE) & MOBILE VACUUM PUMPS jA= Concentration of Analyte in sample solution (pig/ml) or (mg/L) □ ■ I

I jB=Concentration of Blank in sample solution (pg/ml) or (mg/L) jSSV- Sample Solution Volume ASSV-Analyte concentration x Sample Solution Volume AR= (A X SSV) - (B X BSV) I *BSV-Blank Sample Volume BBSV*BlauUk concentration x Blank Sai [j^ie Volume AV I !rAB- Reagent Blank Concentration (pig/ml) or (mg/L) ! RABSV- Reagent Blank Sample Volume I Jd= Dilution Factor (NONE) I Ino gravimetic factors I For the Trip Blank Analytical Value: ft- i AR= (B X BSV) - (RAB X RABSV) I [AV- Air Volume Sampled lAR-Analytical Result IARR-Analytical Reportable Result in m^/im’ (rounded off to 3-sigma) s AV I

A (mg/L) SSV (mL) A X SSV = ASSV B(mg/L) BSV(mL) OW-'si'feSi ASSV -BSSV = AR AV Liters AR/AV ANALYTE ARR mg/m’ 0.128 100 12.8 0.109 100 Wie 1.9 30 0.0633333 Aluminum- Al 0.06 ""0.1'97"" 100 19.7 100 ZU 16.2 30 0.54 Antimony-Sb 0.54 ""o'ozT"' 100 7.1 100 -0,7 7.8 30 0.26 Arsenic-As 0.26 ""0'063"' 100 0.3 0.002 100 0.1 30 0.0033333 Barium-Ba <0.01 ""6'b'oi"" 100 0.1 100 I'j 0.1 30 0.0033333 Beryllium-Be <0.01 o"do2"" 100 0.2 -b.o'oT 100 0.3 30 0.01 Cadmium-Cd 0.01 "''b"4'27"'' 0.548' ""OBOS""’ 100 100 42.7 0.00'7 100 100 Hi 4 -12.1 0.1 30 -0.4033333 Calcium-Ca 30 0.0033333 Chromium-Cr <0.01 <0.01 0.8 i''"b'.b'3i"" 100 3.1 0.049 100 -1.8 30 -0.06 Copper-Cu <0.01 !''''b"2'b8"" 100 20.8 0.41'9 100 4l5 -21.1 30 -0.7033333 Iron-Fe <0.01 !""b'.b'i'9"" 100 1.9 -0.005 100 2.4 30 0.08 Lead-Pb 0.08 100 6.7 0105 100 10.5 -3.8 30 -0.1266667 Magnesium-Mg <0.01 100 1.7 0.0'29 100 T5 -1.2 30 -0.04 Manganese-Mn <0.01 100 100 30 Mercury-Hg <0.01 Q j 0.002 100 0.2 0.001 100 0.1 0.1 30 0.0033333 Nickel-NI <0.01 f'b'ib'is 100 31.5 '0.369 100 36.^ -5.4 30 -0.18 Potassium-K <0.01 I—i ! 0.1'67 100 10.7 "oom 100 0.4 10.3 30 0.3433333 Selenium-Se 0.34 s o i""6i66i' 100 0.1 -o.'o'6T 100 -0.1i 0.2 30 0.0066667 Silver-Ag <0.01 o i"''2’.4l'2 100 241.2 "sfeos 100 360.5 -119.3 30 -3.9766667 Sodium-Na <0.01 I o i'"Ta6oi' 100 -0.1 ^0667 100 -0.7 0.6 30 0.02 Thallium-TI 0.02 o i""b'.b'22 o 100 2.2 ■aoia 100 0.4 30 0.0133333 Zinc-Zn <0.01 CO CO LAB Td #01100235-001 wI CR O cn CO NYCDEP - BROADWAY & 31 ST QUEENS c:/JEM FILES/NYCDEP-HAZMAT/m01100235.xls

NYC-WTC_000220545