HERON
INSTRUMENTS, INC.
2031 James Street
Burlington, Ontario, Canada L7R 1H2
(800)331-2032 FAX: (905)634-9657
vickytoon@heroninstruments.com -- www.heroninstruments.com
SCHLUMBERGER WATER
SERVICES
460 Philip Street, Suite 101
Waterloo, Ontario, Canada, N2L 5J2
(519)746-1798 FAX: (519)885-5262
mhaasjes@slb.com -- www.swstechnology.com