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33 CFR § 157.150 - Crude Oil Washing Operations and Equipment Manual: Recording information after inspections.

---
identifier: "/us/cfr/t33/s157.150"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 157.150 - Crude Oil Washing Operations and Equipment Manual: Recording information after inspections."
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "157.150"
section_name: "Crude Oil Washing Operations and Equipment Manual: Recording information after inspections."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "O"
subchapter_name: "POLLUTION"
part_number: "157"
part_name: "RULES FOR THE PROTECTION OF THE MARINE ENVIRONMENT RELATING TO TANK VESSELS CARRYING OIL IN BULK"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "33 U.S.C. 1903; 46 U.S.C. 3703, 3703a (note); Department of Homeland Security Delegation No. 0170.1. Subparts G, H, and I are also issued under section 4115(b), Pub. L. 101-380, 104 Stat. 520; Pub. L. 104-55, 109 Stat. 546."
regulatory_source: "CGD 74-32, 40 FR 48283, Oct. 14, 1975, unless otherwise noted."
cfr_part: "157"
---

# 157.150 Crude Oil Washing Operations and Equipment Manual: Recording information after inspections.

After passing the inspections under § 157.140, the owner, operator, and master shall ensure that the following are recorded in the *Crude Oil Washing Operations and Equipment Manual* approved under § 157.112:

(a) The results of the inspections under § 157.140.

(b) The following characteristics used to pass the inspections under § 157.140:

(1) Pressure and flow of the crude oil pumped to the COW machines.

(2) Revolutions, number of cycles, and length of cycles of each COW machine.

(3) Pressure and flow of the stripping suction device.

(4) Number and location of COW machines operating simultaneously in each cargo tank.

(5) Volume of water used for water rinsing.

(6) Trim conditions of the tank vessel.