Below are the documents supporting region 2 data validation active standard operating procedures.
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.- SOP HW-11 Rev3.0 (PDF)(29 pp, 189 K)
- SOP HW-16 Rev2.1 (PDF)(27 pp, 175 K)
- SOP HW-17 Rev3.1 (PDF)(18 pp, 111 K)
- SOP HW-19 Rev1.1 (PDF)(27 pp, 190 K)
- SOP HW-22 Rev5 (PDF)(29 pp, 947 K)
- SOP HW-25 Rev3 (PDF)(34 pp, 212 K)
- SOP HW-29 Rev2 (PDF)(24 pp, 183 K)
- SOP HW-31 TO-15 Rev6 (PDF)(38 pp, 682 K)
- SOP HW-33A LowMedium VOA Rev1 W_CRF (PDF)(44 pp, 2 MB)
- SOP HW-35A SVOA Rev1 W_CRF (PDF)(48 pp, 2 MB)
- SOP HW-44 Rev1.1 (PDF)(31 pp, 208 K)
- SOP HW-46 Rev1 (PDF)(27 pp, 2 MB)
- SOP HW-55 Rev2 (PDF)(34 pp, 2 MB)
- SOP HWSS 24 revision 4 (PDF)(33 pp, 21 MB)
- SOP HW-36A Rev 1 w/CRF (PDF)(46 pp, 17 MB)
- SOP HW-37A Rev 0 w/CRF (PDF)(44 pp, 15 MB)
- SOP HW-3a ICP-AES Rev1 w_CRF (PDF)(44 pp, 1 MB)
- SOP HW-3b ICP-MS Rev1 w_CRF (PDF)(46 pp, 946 K)
- SOP HW-3c Hg & CN Rev1 w_CRF (PDF)(45 pp, 1 MB)
- SOP HW-34A Trace VOA Rev1 W_CRF 2 (PDF)(42 pp, 1 MB)