2 shared non-person entities · 1 shared topics · similarity 0.913
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NYC-WTC_000196023
Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000196023Page image
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OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
■ Jan-11 02 08:4Gp ROY F. UESTOM INC. 17321225-7030 P- 21 Jan. 1 1- 20 02 12;37PM No.7053 P. 4/b 3A X WATER VOLATILE MATRIX SPIKE/MATRIX SPIKE DUPUCATE RECOVERY
Lab Name: CHEMTECH Contract ROY F. WESTON. INC.
Project No. PI 067 Site; RFP 2210 LocaDon: Group: ^71-VOA
Matrix Spike - Sample No.; SAMPLE1
SPIKE SAMPLE MS MS □c. ADDED CONCENTRATION CONCENTRATION % LIMITS COMPOUND (ug/i-) __ (ug/L) __ (ug/L) REC # REC. Benzene 50 3 48 82 (7B-127) Toluene 50 25 68 86 (76-125) Tetrachloroathene 50 4 45 83 (60-140) Ethyl Benzene 50 a 49 83 mZp-Xylenas 100 19 83 64
SPIKE MSD MS ADDED CONCENTRATION % % QC LIMITS COMPOUND (^g/L) (ugA) REC * RPD # RPD REC. Benzene 50 50 95 2 11 (76-127) Toluene 50 68 91 5 13 (76-125) Tetrachloroathene 50 44 82 1 20 (60-140) Ethyl Benzene 50 51 89 7 20 (60-140) m/p-Xylanes 100 • 81 68 6 20 (60-140)
# Column to be used to ilag recovery and RPD values with an asterisk
* Values outside of QC limits
Comments: mWWARY DATA Page 1 of 2 FORM III VOA-1 3/90
CITY_21MC1OO_OO3O374O2 NYC-WTC_000196023
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NYC-WTC_000196023Source: NYC Law Department, mirrored locally
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