Environmental Laws

RA 9003

Ecological solid waste management

Arsenic

Silver diethyldithiocarbamate method (corimetric)

Cadmium

Atomic absorption spectrophotometry

Wet washing w/ concentration HNO3 + CHL

Chromium

Diphenyl carbazide colorimetric method

Cyanide

Specific ion electrode method

Lead

Atomic absorption spectrophotometry

Mercury Total

Cold vapor technique

(Hg analyzer, AAS)

PCB

Gas chromatography (ECD)

Boron

Carmine Method

Chlorinated Hydrocarbon

Gas Chromatography

Organo Phosphorus Compound

Gas Chromatography

Nitrate as Nitrogen

Bruccine Method (saline water)

Specific Ion Electrode

Phosphate as Phosphorus

Stannus Chloride Method

Color

Visual Comparison Method (PCS)

Temperature

Mercury filled Thermometer

pH

Glass Electrode Method

BOD5

Azide Modification

Dilution Technique

DO

Azide Modification

Winkler technique

Membrane Electrode

Settlelable Solids

Imhoff Cone Method

Total Suspended Solid

Gravimetric Method

Surfactants

Methylene Blue Method

Colorimetric

Oil and Grease

Gravimetric Method

Petroleum Ether Extraction

Phenolic Substance

Chloroform extraction Method

Total Coliform

MTFT membrane filter

Fecal Coliform

MTFT Membrane Filter

Class AA

Public Water Supply 1

Class A

Public Water Supply 2

Class B

Recreational water 1

Class C

Recreational Water 2

Industrial water 1

Fishery water

Class D

Industrial Water 2

Agriculture

Others

Class SA

Shellfish

Tourist

Corals

Class SB

Recreational water class 1 (saline)

Fishery water 1 (chanos chanos)

Class SC

Recreational Water 2

Fishery Water 2

Mangroove

Class SD

Industrial Water 2

Others

97%

Ocean water

2%

Water in ice caps and glaciers

0.6%

Water content of ground water

Porosity

Percentage of open void space in the subsurface material

Permeability

Capacity of a rock to transmit a fluid such as water or petroleum

Aquifer

Body of Saturated rock or sediment which water easily move

Aquitard

Rock porosity is 1% therefore retards the flow

Aquiclude

A confining bed that retards but does not prevents the flow of water

Aquifuge

A rock which contains no interconnected openings

Unconfined Aquifer

Partially filed aquifer exposed to the land surface and marked by rising and falling water table

Confined Aquifer

Artesian Aquifer

Filled with pressurized water and separated from the land surface by a impermeable confining bed, such as shale

Drawdown

The lowering of the water table near a pumped well

Cone of Depression

Depression of water table formed around a wellness whenever water is pumped out

Stalactites

Dripstone hanging from cave ceiling

Stalagmites

Dripstone formed on cave floor

Sinkholes

Close depression found on land surface

Karst Topography

Area with many sinkhole

Petrified Wood

Porous buried wood fill in or replaced by inorganic silica

Geodes

Prtly hallow, globe-shaped bodies found in some limestones and locally in other rocks

Geyser

Type of hot spring that periodically erupts hot water

Cirrus

High clouds

Mare's Tails

Cirrocumulus

High clouds

Mackerel Sky

Altocumulus

Middle Clouds

Sheepback

Cumulonimbus

Low clouds

Anvil Head

Rain

0.5-5mm

Produce by nimbostratus

Snow

1mm-2cm

Produced in supercooled clouds

Mist

0.005-0.05mm

Smallest water droplets visible

Drizzle

Less than 0.5mm

Smaller droplets of rain yet larger that mist

Sleet

0.5-5mm falling small particles of ice that are clearl and translucent

Glaze

1mm-2cm thick

Supercooled raindrops turn into ice colliding with solid objects

Rime

Deposit of ice crystal formed by the freezing of supercooled fog or cloud droplets on objects whose temp is below freezing

Hail

5mm-10cm or larger

Hard rouded pellets or irregular lumps of ice

Graupel

2-5mm

Soft hail or watery hail

DAO 1992 29

IRR of RA 6969

DAO 1990 34

Revised water usage and classification

DAO 1990 35

Revise Effluent Regulations

RA 3844

Agricultural and Land Reform Code

RA 8435

Agriculture and Fisheries Modernization Act

RA 3720

FDA

RA4850

LLDA

RA 7924

MMDA

RA3931

PD 984

PCL

RA 9147

Conservation and Protection of Wildlife Resources and Habitat

RA7907

Agrarian Reform Code

RA 6657

Comprehensive Agrarian Reform Law

PD1144

Fertilizer and Pesticide Authority

DAO 2001 34

IRR of 9003

RA 9275

Clean Water Act of 2004

DAO 2005 10

IRR of RA 9275

RA8749

Clean Air Act 1999

DAO 2000 81

IRR of RA 8749

RA 6969

Toxic Substances and Hazardous and Nuclear Waste Control Act of 1990

PD1586

EIS System

DAO 2003 30

IRR PD 1586

RA 1364

Sanitary Engineering Law

RA 1378

Plumbing Law

PD 856

Sanitation Code of The Philippines

PD 1067

Water code of the Philippines

PD 1185

Fire code of the Philippines

RA 9514

Comprehensive fire code of the Philippines

DAO 1992 26

PCO Accreditation Guidelines

DAO 2014 02

Revised PCO Accreditation Guidelines

RA 7900

High Value Crops Development Act of 1995

EO 192

Reorganization in to DENR name

PD 825

Providing Penaltyfor improper Disposal of Garbage

PD979

Marine Pollution Decree of 1976