Policy and Legal Framework and the Current Status of Ballast Water Management Requirements - Global Maritime Transport and Ballast Water Management: Issues and Solutions - page 70

Table 2 Proposed USCG Phase 1 and Phase 2 ballast water discharge standards. The USCG Phase 1 is identical with the requirements of the USEPA proposed
VGP. The Phase 2 standard is subject to a USCG review

Vibrio cholerae
(O1 & O139) Standard Organisms >50 ʼ m Organisms <50 />10 ʼ m Escherichia coli Intestinal enterococci

USCG Phase 1
= USEPA VGP

<10 ind./m 3 <10 ind./ml <1 cfu/100 ml <250 cfu/100 ml <100 cfu/100 ml

Proposed USCG
Phase 2

<1 ind./100 m 3 <1 ind./100 ml <1 cfu/100 ml <126 cfu/100 ml <33 cfu/100 ml

http://www.gpo.gov/fdsys/pkg/FR-2012-03-23/pdf/2012-6579.pdf , last accessed 02.04.2013